{"id":1631,"date":"2018-12-04T12:39:48","date_gmt":"2018-12-04T12:39:48","guid":{"rendered":""},"modified":"2018-12-04T20:40:48","modified_gmt":"2018-12-04T12:40:48","slug":"%e9%94%82%e7%a6%bb%e5%ad%90%e7%94%b5%e6%b1%a0%e6%a0%b8%e5%a3%b3%e7%bb%93%e6%9e%84%e7%a1%85%e5%9f%ba%e8%b4%9f%e6%9e%81%e6%9d%90%e6%96%99%e7%9a%84%e7%bb%93%e6%9e%84%e8%ae%be%e8%ae%a1%e4%b8%8e","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1631","title":{"rendered":"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e"},"content":{"rendered":"

\n\t1 \u5f15\u8a00<\/p>\n

\n\t\u9502\u79bb\u5b50\u7535\u6c60\u56e0\u5177\u6709\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u3001\u5feb\u901f\u5145\u653e\u7684\u7279\u6027\u800c\u83b7\u5f97\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u904d\u53ca\u5927\u89c4\u6a21\u50a8\u80fd\u3001\u7535\u52a8\u6c7d\u8f66\u3001\u4ee5\u53ca\u5404\u79cd\u7535\u5b50\u4ea7\u54c1\u3002\u7136\u800c\u4f34\u968f\u7740\u5404\u4e2a\u9886\u57df\u7684\u53d1\u5c55\uff0c\u5bf9\u7535\u6e90\u80fd\u91cf\u5bc6\u5ea6\u7684\u9700\u6c42\u65e5\u76ca\u589e\u9ad8\uff0c\u73b0\u6709\u7684\u5546\u4e1a\u5316\u9502\u79bb\u5b50\u7535\u6c60\u4f53\u7cfb\u96be\u4ee5\u6ee1\u8db3\u9700\u6c42\u3002\u9502\u79bb\u5b50\u7535\u6c60\u80fd\u91cf\u5bc6\u5ea6\u4e3b\u8981\u53d6\u51b3\u4e8e\u7535\u6781\u6750\u6599\u4f53\u7cfb\u3002\u5c31\u8d1f\u6781\u6750\u6599\u6765\u8bf4\uff0c\u76ee\u524d\u57fa\u4e8e\u77f3\u58a8\u7684\u8d1f\u6781\u6750\u6599\u7684\u5bb9\u91cf\u5df2\u63a5\u8fd1\u7406\u8bba\u503c\uff0c\u51e0\u4e4e\u6ca1\u6709\u63d0\u5347\u7a7a\u95f4\uff0c\u56e0\u6b64\u6025\u9700\u63a2\u7d22\u53d1\u5c55\u5177\u6709\u9ad8\u6bd4\u5bb9\u91cf\u7684\u5b9e\u7528\u8d1f\u6781\u6765\u5e94\u5bf9\u9700\u6c42\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u7845\u5728\u5e38\u6e29\u4e0b\u53ef\u4ee5\u4e0e\u9502\u901a\u8fc7\u7535\u5316\u5b66\u53cd\u5e94\u65b9\u5f0f\u5f62\u6210\u7ed3\u6784\u7ec4\u6210\u4e3a Li15 Si4 \u7684\u5408\u91d1\uff0c\u76f8\u5e94\u7684\u6bd4\u5bb9\u91cf\u4e3a3590 mAh\/g\uff0c\u63a5\u8fd1\u77f3\u58a8\u7535\u6781\u5bb9\u91cf\u7684\u5341\u500d\u3002\u4f46\u662f\uff0c\u5355\u8d28\u7845\u4f5c\u4e3a\u9502\u7535\u8d1f\u6781\u6750\u6599\u4f7f\u7528\u65f6\uff0c\u5176\u9502\u5316\/\u8131\u9502\u8fc7\u7a0b\u4e2d\u4f34\u968f\u7740\u5de8\u5927\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u5f15\u8d77\u7684\u9ad8\u5f3a\u5ea6\u673a\u68b0\u5e94\u529b\u5e94\u53d8\u5bfc\u81f4\u6750\u6599\u7c89\u5316\uff0c\u4f7f\u6d3b\u6027\u7269\u8d28\u4e4b\u95f4\u4ee5\u53ca\u6d3b\u6027\u7269\u8d28\u4e0e\u5bfc\u7535\u5242\u4e4b\u95f4\u5931\u53bb\u63a5\u89e6\uff0c\u751a\u81f3\u4ece\u96c6\u6d41\u4f53\u8131\u843d\uff0c\u4ece\u800c\u5931\u53bb\u6d3b\u6027\uff1b\u53e6\u4e00\u65b9\u9762\u7845\u7535\u6781\u6750\u6599\u4f53\u79ef\u7684\u53d8\u5316\u4f1a\u5bfc\u81f4SEI\u819c\u7684\u4e0d\u65ad\u7834\u574f\u4e0e\u91cd\u5efa\uff0c\u8fdb\u4e00\u6b65\u4e0d\u53ef\u9006\u5730\u6d88\u8017\u7535\u89e3\u6db2\u548c\u6d3b\u6027\u6750\u6599\u3002\u8fd9\u4e24\u79cd\u673a\u5236\u7684\u4f5c\u7528\uff0c\u76f4\u63a5\u5f71\u54cd\u7740\u5355\u8d28\u7845\u6750\u6599\u7684\u6781\u4f4e\u7684\u5145\u653e\u7535\u6548\u7387\u548c\u5faa\u73af\u7a33\u5b9a\u6027\u800c\u65e0\u6cd5\u6ee1\u8db3\u5b9e\u9645\u5546\u4e1a\u5316\u5e94\u7528\u9700\u6c42\u3002<\/p>\n

\n\t\u9488\u5bf9\u5355\u8d28\u7845\u8d1f\u6781\u6750\u6599\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u4f34\u968f\u7684\u5de8\u5927\u4f53\u79ef\u53d8\u5316\u95ee\u9898\uff0c\u7814\u7a76\u8005\u4eec\u63d0\u51fa\u4e86\u5404\u79cd\u65b9\u6cd5\u65b9\u6848\uff0c\u5982\u7845\u7684\u7eb3\u7c73\u5316\uff0c\u7845\u4e0e\u5176\u5b83\u6750\u6599\u590d\u5408\u4ee5\u53ca\u7ed3\u6784\u8c03\u6574\uff0c\u7535\u89e3\u6db2\u6dfb\u52a0\u5242\u548c\u7c98\u7ed3\u5242\u7684\u4f18\u9009\u7b49\u3002\u800c\u5176\u4e2d\u57fa\u4e8e\u6838\u58f3\u7ed3\u6784\u7684\u8bbe\u8ba1\u4ece\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u7f13\u51b2\u4f53\u79ef\u53d8\u5316\uff0c\u51cf\u5c11SEI\u819c\u7684\u7834\u574f\u91cd\u5efa\u6548\u5e94\uff0c\u88ab\u8ba4\u4e3a\u662f\u63d0\u9ad8\u7845\u7535\u6781\u5faa\u73af\u7a33\u5b9a\u6027\u7684\u6709\u6548\u624b\u6bb5\u3002\u57fa\u4e8e\u6b64\uff0c\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u4e86\u8fd1\u5e74\u6765\u6838\u58f3\u7ed3\u6784\u7845\u7535\u6781\u6750\u6599\u7684\u7814\u7a76\u8fdb\u5c55\uff0c\u5e76\u63d0\u51fa\u4e86\u8fdb\u4e00\u6b65\u7684\u7814\u7a76\u65b9\u5411\u548c\u5e94\u7528\u524d\u666f\u3002<\/p>\n

\n\t2 \u6838\u58f3\u7ed3\u6784\u7845\u57fa\u7535\u6781\u6750\u6599<\/p>\n

\n\t\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u7535\u6781\u6750\u6599\u662f\u901a\u8fc7\u5316\u5b66\u6216\u8005\u673a\u68b0\u624b\u6bb5\u5c06\u7845\u6216\u8005\u5176\u590d\u5408\u9897\u7c92\u91c7\u7528\u53e6\u4e00\u79cd\u6750\u6599\u5305\u8986\u8d77\u6765\u800c\u5f62\u6210\u7684\u7279\u6b8a\u7ed3\u6784\u3002\u4e3a\u4e86\u964d\u4f4e\u5e94\u529b\u53d8\u5316\uff0c\u6750\u6599\u7684\u9897\u7c92\u90fd\u662f\u57fa\u4e8e\u7eb3\u7c73\u5c3a\u5ea6\u3002\u5728\u6b64\u7ed3\u6784\u4e2d\uff0c\u7eb3\u7c73\u7845\u6838\u4f5c\u4e3a\u6d3b\u6027\u50a8\u9502\u4ecb\u8d28\u3002\u7845\u7684\u7eb3\u7c73\u7ed3\u6784\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u7845\u7535\u6781\u6750\u6599\u5145\u653e\u7535\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u5de8\u5927\u4f53\u79ef\u81a8\u80c0\/\u6536\u7f29\u6548\u5e94\u3002\u800c\u7eb3\u7c73\u7845\u7c92\u5b50\u8868\u9762\u5305\u8986\u7684\u58f3\u6750\u6599\u5219\u5177\u6709\u53cc\u91cd\u4f5c\u7528\u3002\u4e00\u65b9\u9762\uff0c\u51ed\u501f\u8be5\u6750\u6599\u7f13\u51b2\u7845\u5728\u9502\u5316\/\u8131\u9502\u8fc7\u7a0b\u4e2d\u5de8\u5927\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u5bf9\u7845\u7eb3\u7c73\u7ed3\u6784\u7684\u7f13\u51b2\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u8865\u5145\uff0c\u5b9e\u73b0\u66f4\u597d\u7684\u4f53\u79ef\u53d8\u5316\u7f13\u51b2\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u58f3\u6750\u6599\u4e5f\u53ef\u4ee5\u9632\u6b62\u7845\u6d3b\u6027\u6750\u6599\u8868\u9762\u4e0e\u7535\u89e3\u8d28\u6eb6\u6db2\u7684\u76f4\u63a5\u63a5\u89e6\uff0c\u907f\u514d\u7535\u89e3\u6db2\u7684\u5316\u5b66\u548c\u7535\u5316\u5b66\u5206\u89e3\uff0c\u4ece\u800c\u6291\u5236\u7535\u6781\u6750\u6599\u5728\u5145\u653e\u7535\u5faa\u73af\u8fc7\u7a0b\u4e2dSEI \u819c\u7684\u6301\u7eed\u91cd\u5efa\u3002\u4e3a\u4e86\u8fdb\u4e00\u6b65\u4f18\u5316\u6838\u58f3\u7ed3\u6784\u7684\u7845\u7535\u6781\u6750\u6599\u7684\u6027\u80fd\uff0c\u53c8\u5728\u5b9e\u5fc3\u6838\u58f3\u7ed3\u6784\u7684\u57fa\u7840\u4e0a\u884d\u751f\u51fa\u4e86\u4e00\u7cfb\u5217\u7279\u6b8a\u7ed3\u6784\uff0c\u4ee5\u4e0b\u6211\u4eec\u5c06\u9488\u5bf9\u5404\u7c7b\u6838\u58f3\u7ed3\u6784\u7845\u7535\u6781\u6750\u6599\u7684\u7ed3\u6784\u7279\u70b9\u3001\u4f18\u7f3a\u70b9\u7b49\u8fdb\u884c\u5206\u522b\u4ecb\u7ecd\u3002<\/p>\n

\n\t2.1 \u5b9e\u5fc3\u6838\u58f3\u7ed3\u6784<\/p>\n

\n\t\u5b9e\u5fc3\u6838\u58f3\u7ed3\u6784\u662f\u6307\u6d3b\u6027\u6750\u6599\u4ee5\u5b9e\u5fc3\u5b58\u5728\uff0c\u5728\u5916\u5c42\u76f4\u63a5\u5305\u8986\u5176\u5b83\u6750\u6599\u3002\u5b9e\u5fc3\u6838\u58f3\u7ed3\u6784\u662f\u6838\u58f3\u7ed3\u6784\u4f53\u7cfb\u4e2d\u6700\u57fa\u7840\u7684\u7c7b\u578b\u3002\u8fd9\u4e00\u7ed3\u6784\u8bbe\u8ba1\u7684\u5305\u8986\u5c42\u53ef\u4ee5\u7f13\u51b2Si\u5728\u9502\u5316\u8fc7\u7a0b\u7684\u4f53\u79ef\u81a8\u80c0\uff0c\u51cf\u5c11\u6d3b\u6027\u7269\u8d28\u4e0e\u7535\u89e3\u6db2\u7684\u63a5\u89e6\uff0c\u5e76\u9632\u6b62\u7eb3\u7c73\u7ed3\u6784\u9897\u7c92\u7684\u56e2\u805a\uff0c\u800c\u5916\u58f3\u5305\u8986\u5f80\u5f80\u91c7\u7528\u9ad8\u5bfc\u7535\u6027\u7684\u6750\u6599\uff0c\u56e0\u6b64\u4e5f\u6709\u52a9\u4e8e\u7535\u6781\u5bfc\u7535\u6027\u7684\u63d0\u5347\u3002\u5b9e\u5fc3\u7ed3\u6784\u53c8\u53ef\u4ee5\u4e3b\u8981\u5206\u4e3a\u5355\u58f3\u548c\u53cc\u58f3\u7ed3\u6784\u4e24\u79cd \u3002<\/p>\n

\n\t2.1.1 \u5355\u58f3\u7ed3\u6784<\/p>\n

\n\t2.1.1.1 Si@C\u6838\u58f3\u7ed3\u6784<\/p>\n

\n\t\u78b3\u7c7b\u6750\u6599\u5177\u6709\u4ef7\u683c\u4f4e\u5ec9\u3001\u5bb9\u6613\u83b7\u5f97\u3001\u5bfc\u7535\u6027\u597d\u5e76\u4e14\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u4f53\u79ef\u6548\u5e94\u5c0f\u7684\u7279\u70b9\uff0c\u4f5c\u4e3a\u5305\u8986\u5c42\u6750\u6599\u4e0eSi\u5f62\u6210\u6838\u58f3\u7ed3\u6784\u540e\u80fd\u5f88\u597d\u5730\u6539\u5584Si\u8d1f\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u5229\u7528\u805a\u5408\u7269\u9ad8\u6e29\u70ed\u89e3\u5236\u5907\u65e0\u5b9a\u578b\u78b3\u5305\u8986Si\u662f\u6bd4\u8f83\u5e38\u7528\u65b9\u6cd5\u4e4b\u4e00\u3002Luo \u7b49\u901a\u8fc7\u6eb6\u80f6\u51dd\u80f6\u6cd5\u5408\u6210\u4e86\u95f4\u82ef\u4e8c\u915a-\u7532\u919b\u6811\u8102\uff08RF\uff09\u5305\u8986Si\u9897\u7c92\uff08\u7c92\u5f8480 nm\uff09\u4f5c\u4e3a\u524d\u9a71\u4f53\uff0c\u901a\u8fc7\u524d\u9a71\u4f53\u9ad8\u6e29\u7119\u70e7\uff0c\u83b7\u5f97\u4e86Si@ C\u6838\u58f3\u7ed3\u6784\uff08\u56fe1\uff09\u3002\u8fd9\u4e00\u7ed3\u6784\u7535\u6781\u6750\u6599\u4e0e\u5355\u8d28Si\u76f8\u6bd4\uff0c\u5176\u4e2d\u7684\u78b3\u5c42\u80fd\u591f\u6291\u5236\u5185\u6838Si\u9897\u7c92\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u63d0\u9ad8\u5bfc\u7535\u6027\u5e76\u4e14\u51cf\u5c11Si\u4e0e\u7535\u89e3\u6db2\u7684\u76f4\u63a5\u63a5\u89e6\u53cd\u5e94\uff0c\u56e0\u6b64Si@ C\u6709\u66f4\u597d\u7684\u5faa\u73af\u6027\u80fd\u548c\u5e93\u4f26\u6548\u7387\u3002<\/p>\n

\n\t\u901a\u8fc7\u5bf9\u53cd\u5e94\u7269\u7684\u91cf\u7684\u63a7\u5236\uff0c\u53ef\u4ee5\u5f97\u5230\u5177\u6709\u4e0d\u540c\u539a\u5ea6\u5305\u8986\u5c42\u7684\u6838\u58f3\u7ed3\u6784\u3002\u5176\u4e2d\uff0c\u539a\u5ea6\u4e3a10 nm\u7684Si@C\u6750\u6599\u5728\u7535\u6d41<\/u>\u5bc6\u5ea6\u4e3a500mA \/g\u4e0b\uff0c\u7ecf\u8fc7500\u6b21\u5faa\u73af\u540e\uff0c\u4ecd\u67091006 mAh \/g\u7684\u6bd4\u5bb9\u91cf\uff0c\u5e93\u4f26\u6548\u7387\u5927\u4e8e99.5%\uff0c\u7535\u5316\u5b66\u6027\u80fd\u6700\u4f18\u3002\u8fd9\u5f97\u76ca\u4e8e\u539a\u5ea6\u4e3a10 nm\u7684\u78b3\u5305\u8986\u5c42\u4e0d\u4ec5\u80fd\u5f88\u597d\u5730\u7f13\u51b2\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u4f53\u79ef\u81a8\u80c0\u5f15\u8d77\u7684\u5185\u90e8\u5e94\u529b\uff0c\u540c\u65f6\u8f83\u8584\u7684\u78b3\u5c42\u6709\u5229\u4e8e\u9502\u79bb\u5b50\u548c\u7535\u5b50\u7684\u8fc1\u79fb\u3002Li\u7b49\u7814\u7a76\u4e86\u78b3\u5c42\u4e0e\u7845\u9897\u7c92\u7c92\u5f84\u5173\u7cfb\u5bf9Si @C\u7ed3\u6784\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u8ba4\u4e3aSi\u6838\u7684\u5c3a\u5bf8\uff08D\uff09\u4e0e\u78b3\u5c42\u7684\u539a\u5ea6\uff08t\uff09\u7684\u6bd4\u503c\u5bf9\u6838\u58f3\u7ed3\u6784\u7684\u5b8c\u6574\u6027\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002\u7c97\u7565\u4f30\u8ba1\u53ef\u77e5\u5f53D\/t\uff1e7.0\u65f6\uff0cSi@C\u7ed3\u6784\u5728\u9502\u5316\u65f6\u4f1a\u53d1\u751f\u7834\u88c2\uff0c\u800cD\/t\uff1c3.5\u65f6\uff0c\u5219\u4e0d\u4f1a\u53d1\u751f\u7834\u88c2\u3002\u8fdb\u4e00\u6b65\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0cSi@C\u7ed3\u6784\u4e2dD\/t\u7684\u6bd4\u503c\u4e0d\u5f53\u65f6\uff0c\u5bb9\u6613\u5728\u78b3\u5c42\u5185\u90e8\u4ea7\u751f\u5e94\u529b\uff0c\u800c\u975e\u5747\u76f8\u7684\u9502\u5316\u8fc7\u7a0b\u4f1a\u52a0\u5267\u78b3\u5c42\u5185\u90e8\u7684\u5e94\u529b\uff0c\u7834\u574f\u6750\u6599\u7ed3\u6784 \u3002<\/p>\n

\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t2.1.1.2 Si@\u805a\u5408\u7269\u6838\u58f3\u7ed3\u6784<\/p>\n

\n\t\u76f8\u6bd4\u4e8e\u805a\u5408\u7269\u9ad8\u6e29\u88c2\u89e3\u5236\u5907\u7684Si@C\u6838\u58f3\u7ed3\u6784\u6750\u6599\uff0c\u5bfc\u7535\u805a\u5408\u7269\u5305\u8986Si\u5728\u4f4e\u6e29\u6761\u4ef6\u5c31\u53ef\u4ee5\u5408\u6210\uff0c\u5e76\u4e14\u805a\u5408\u7269\u7279\u6709\u7684\u9ad8\u5f39\u6027\u4e0d\u4ec5\u53ef\u4ee5\u7f13\u51b2Si\u4f53\u79ef\u53d8\u5316\uff0c\u800c\u4e14\u6709\u52a9\u4e8e\u5305\u8986\u5c42\u6750\u6599\u5728\u5145\u653e\u7535\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u7ed3\u6784\u5b8c\u6574\u6027\uff0c\u66f4\u6709\u5229\u4e8e\u4fdd\u6301\u7535\u6781\u7ed3\u6784\u4ee5\u53caSEI\u819c\u7684\u7a33\u5b9a\u3002\u5e38\u7528\u7684\u5bfc\u7535\u805a\u5408\u7269\u5305\u8986\u6750\u6599\u4e3b\u8981\u6709\uff1a\u805a\u82ef\u80fa\u3001\u805a\u5421\u54af\u3001\u805a\u567b\u5429\u7b49\u3002Chen\u7b49\u901a\u8fc7\u7403\u78e8\u6cd5\u5c06\u7845\u5d4c\u5165\u805a\u5bf9\u82ef\u6491\uff08 PPP\uff09 \u57fa\u4f53\u4e2d\uff0c\u5236\u5907\u4e86Si \/PPP\u6838\u58f3\u7ed3\u6784\u3002\u5176\u4e2dPPP\u4e3aN\u578b\u5bfc\u7535\u805a\u5408\u7269\uff0c \u80fd\u591f\u5feb\u901f\u7684\u4f20\u5bfc\u9502\u79bb\u5b50\uff0c\u6709\u52a9\u4e8e\u9ad8\u500d\u7387\u6027\u80fd\u7684\u5b9e\u73b0\u3002\u8be5\u6750\u6599\u5728\u5145\u653e\u7535\u7535\u6d41\u5bc6\u5ea6\u5206\u522b\u9ad8\u8fbe12A\/g\u548c16A\/g\u65f6\uff0c\u53ef\u9006\u5bb9\u91cf\u4ecd\u5206\u522b\u8fbe\u52302079mAh\/g\u4e0e1670mAh\/g\u3002Tu\u7b49\u5229\u7528\u539f\u4f4d\u5316\u5b66\u805a\u5408\u7684\u65b9\u6cd5\u5236\u5907\u4e86Si\/\u805a\u82ef\u80fa\uff08 PANi\uff09\u6838\u58f3\u7ed3\u6784\u7684\u590d\u5408\u6750\u6599\uff0c\u5e76\u7814\u7a76\u4e86PANi\u542b\u91cf\u5bf9\u7535\u6c60\u5faa\u73af\u7a33\u5b9a\u6027\u7684\u5f71\u54cd\u3002<\/p>\n

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\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t2.1.2 \u53cc\u58f3\u7ed3\u6784<\/p>\n

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\n\t\u6027\u80fd\u7684\u63d0\u5347\u4e00\u65b9\u9762\u5f97\u76ca\u4e8eSi@RF@TiO2\u524d\u9a71\u4f53\u78b3\u5316\u8fc7\u7a0b\u4e2d\uff0cTiO2\u80fd\u6709\u6548\u7684\u6291\u5236RF\u7684\u6536\u7f29\uff0c\u4ece\u800c\u5f62\u6210\u76f8\u5bf9\u758f\u677e\u591a\u5b54\u78b3\u7ed3\u6784\uff0c\u4e0d\u4ec5\u4fdd\u6301\u4e86\u826f\u597d\u7684\u7535\u5b50\u4f20\u5bfc\u548c\u9502\u79bb\u5b50\u8fc1\u79fb\u901a\u9053\uff0c\u5e76\u4e14\u591a\u5b54\u7ed3\u6784\u7a7a\u95f4\u80fd\u591f\u51cf\u7f13Si\u7684\u4f53\u79ef\u81a8\u80c0\u6548\u5e94\u3002\u6b64\u5916\uff0c\u5916\u5c42TiO2\u5177\u6709\u9ad8\u673a\u68b0\u5f3a\u5ea6\uff0c\u6709\u5229\u4e8e\u6750\u6599\u7ef4\u6301\u7ed3\u6784\u7684\u5b8c\u6574\u6027\u4e0eSEI\u7684\u7a33\u5b9a\uff0c\u5e76\u4e14\u4fdd\u8bc1\u6750\u6599\u9897\u7c92\u4e4b\u95f4\u826f\u597d\u7684\u63a5\u89e6 \u3002Yang\u7b49\u4ee5\u805a\u4e59\u70ef\u5421\u54af\u70f7\u916e\uff08PVP\uff09\u4e3a\u78b3\u6e90\uff0c\u5341\u516d\u70f7\u57fa\u4e09\u7532\u57fa\u6eb4\u5316\u94f5\uff08CTAB\uff09\u4e3a\u6a21\u677f\u5236\u5907\u4e86Si@C@SiO2\u590d\u5408\u6750\u6599\u3002\u5728\u8be5\u6750\u6599\u4e2d\uff0c\u78b3\u5c42\u4e0e\u591a\u5b54SiO2\u5171\u540c\u4f5c\u7528\u907f\u514dSi\u4e0e\u7535\u89e3\u6db2\u7684\u76f4\u63a5\u63a5\u89e6\uff0c\u5e76\u7f13\u51b2\u9897\u7c92\u5185\u90e8\u7684\u673a\u68b0\u5e94\u529b\uff0c\u7ef4\u6301\u4e86\u6574\u4e2a\u7535\u6781\u6750\u6599\u7ed3\u6784\u7684\u5b8c\u6574\u6027\u3002\u7535\u5316\u5b66\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0c200 mA\/g\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5faa\u73af305\u6b21\uff0c\u6750\u6599\u5e73\u5747\u6bcf\u6b21\u5faa\u73af\u7684\u5bb9\u91cf\u635f\u5931\u4e3a0.03%\uff0c\u6bd4\u5355\u58f3\u7ed3\u6784 Si@ C\u6bcf\u6b21\u5faa\u73af\u5bb9\u91cf\u635f\u5931\uff080.22%\uff09\u63d0\u9ad8\u4e867\u500d\u591a\u3002<\/p>\n

\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t\u5236\u5907\u53cc\u5c42\u6838\u58f3\u7ed3\u6784\u7eb3\u7c73\u6750\u6599\u5f80\u5f80\u9700\u8981\u591a\u4e2a\u6b65\u9aa4\u5b8c\u6210\uff0c\u64cd\u4f5c\u590d\u6742\uff0c\u6210\u672c\u8f83\u9ad8\u3002Jiang\u7b49\u901a\u8fc7\u7b80\u5355\u7684\u4e00\u6b65\u6cd5\u6210\u529f\u5236\u5907\u4e86Si@SiOx@C \u53cc\u5c42\u6838\u58f3\u7ed3\u6784\u3002\u5176\u4e2d\u4ee5\u805a\u7532\u57fa\u4e19\u70ef\u9178\u7532\u916f\uff08PMMA\uff09\u4e3a\u78b3\u6e90\u548c\u6c27\u6e90\uff0c\u76f4\u63a5\u5c06Si@PMMA\u9ad8\u6e29\u5904\u7406\u540e\u5f97\u5230\u53cc\u5c42\u58f3\u7ed3\u6784\u3002\u8be5\u6750\u6599\u6700\u5916\u5c42\u81f4\u5bc6\u7684\u78b3\u5c42\u80fd\u591f\u9632\u6b62\u7535\u89e3\u6db2\u4e0e\u6d3b\u6027\u7269\u8d28\u7684\u76f4\u63a5\u63a5\u89e6\uff0c\u800c\u4e2d\u95f4\u7684\u5305\u8986\u5c42\u65e2\u53ef\u4ee5\u7f13\u51b2Si\u5728\u9502\u5316\u65f6\u7684\u4f53\u79ef\u81a8\u80c0\uff0c\u53c8\u53ef\u4ee5\u4fdd\u6301 Si\u6838\u4e0e\u78b3\u5c42\u7684\u7d27\u5bc6\u7ed3\u5408\uff0c\u4fdd\u6301\u6574\u4e2a\u6750\u6599\u7ed3\u6784\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u4e0d\u88ab\u7834\u574f\u3002\u8be5\u6750\u6599\u57281000 mA\/g\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u7ecf\u8fc7500\u6b21\u5faa\u73af\u540e\u4ecd\u67091030 mAh\/g\u7684\u53ef\u9006\u5bb9\u91cf\uff0c\u5e73\u5747\u6bcf\u6b21\u7684\u5bb9\u91cf\u8870\u51cf\u4e3a0.07%\u3002<\/p>\n

\n\t2.2 \u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784<\/p>\n

\n\t\u5c3d\u7ba1\u5b9e\u5fc3\u6838\u58f3\u7ed3\u6784\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u80fd\u591f\u6539\u5584Si\u6750\u6599\u7684\u7535\u5316\u5b66\u6027\u80fd\uff0c\u7136\u800c\u5728\u7ecf\u5386\u957f\u671f\u7684\u5145\u653e\u7535\u5faa\u73af\u540e\uff0c\u5305\u8986\u5c42\u6750\u6599\u5f80\u5f80\u4f1a\u7531\u4e8e\u7ecf\u5386\u53cd\u590d\u7684\u4f53\u79ef\u81a8\u80c0\u6536\u7f29\u800c\u4ea7\u751f\u88c2\u7eb9\uff0c\u4e27\u5931\u5176\u521d\u59cb\u8bbe\u8ba1\u7684\u7279\u6709\u7ed3\u6784\u529f\u80fd\u3002\u56e0\u6b64\uff0c\u7814\u7a76\u8005\u5728\u5b9e\u5fc3\u6838\u58f3\u7ed3\u6784\u7684\u57fa\u7840\u4e0a\uff0c\u7ed3\u5408\u7845\u6750\u6599\u7684\u5e94\u7528\u73af\u5883\u5236\u5907\u4e86\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u7535\u6781\u6750\u6599\u3002\u4e0e\u5b9e\u5fc3\u6838\u58f3\u7ed3\u6784\u76f8\u6bd4\uff0c\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u6700\u663e\u8457\u7684\u7279\u5f81\u662f\u6d3b\u6027\u6750\u6599\u5185\u90e8\u5448\u73b0\u4e00\u5b9a\u7684\u7a7a\u8154\u7ed3\u6784\uff0c\u80fd\u591f\u4e3a\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7845\u6750\u6599\u7684\u4f53\u79ef\u53d8\u5316\u63d0\u4f9b\u7f13\u51b2\u7a7a\u95f4\u3002\u7814\u7a76\u8868\u660e\u8be5\u7ed3\u6784\u80fd\u6709\u6548\u7684\u964d\u4f4e\u6750\u6599\u5185\u90e8\u673a\u68b0\u5e94\u529b\u9020\u6210\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u5faa\u73af\u6027\u80fd\u3002\u5176\u4e2d\u6a21\u677f\u6cd5\u662f\u5236\u5907\u8fd9\u4e00\u7ed3\u6784\u7684\u4ee3\u8868\u6027\u65b9\u6cd5\u3002\u5177\u4f53\u4ee5\u6a21\u677f\u4e3a\u6838\uff0c\u901a\u8fc7\u6c89\u79ef\u3001\u7ec4\u88c5\u3001\u6eb6\u80f6\u51dd\u80f6\u7b49\u624b\u6bb5\u5728\u6a21\u677f\u5916\u5f62\u6210Si\u6750\u6599\uff08\u6216\u524d\u9a71\u4f53\uff09\u4e0e\u5305\u8986\u5c42\uff0c\u518d\u7ecf\u6eb6\u5242\u6eb6\u89e3\u6216\u70ed\u5904\u7406\u9664\u53bb\u6a21\u677f\u5f62\u6210\u7a7a\u5fc3\u7ed3\u6784\u3002\u786c\u6a21\u677f\u4e3b\u8981\u6709\u78b3\u3001\u6c27\u5316\u7845\u7b49\u3002\u6839\u636e\u6a21\u677f\u5f62\u72b6\u7684\u4e0d\u540c\uff0c\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u4e3b\u8981\u53ef\u4ee5\u5206\u4e3a\u7ba1\u72b6\u4e2d\u7a7a\u548c\u7403\u72b6\u4e2d\u7a7a\u4e24\u7c7b \u3002<\/p>\n

\n\t2.2.1 \u7ba1\u72b6\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784<\/p>\n

\n\t\u5bf9Si\u57fa\u6750\u6599\u7684\u4e00\u7ef4\u5316\uff0c\u53ef\u4ee5\u51cf\u5c0f\u5145\u653e\u7535\u8fc7\u7a0b\u4e2dSi\u9897\u7c92\u7684\u5f84\u5411\u4f53\u79ef\u53d8\u5316\uff0c\u5e76\u80fd\u5728\u8f74\u5411\u65b9\u5411\u52a0\u5febLi + \u7684 \u8fc1\u79fb\u3002\u7ba1\u72b6\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u7684\u5236\u5907\u901a\u5e38\u7ed3\u5408\u9759\u7535\u7eba\u4e1d\u4e0e\u6a21\u677f\u6cd5\u3002Wu\u7b49\u5229\u7528\u9759\u7535\u7eba\u4e1d\u6280\u672f\uff0c\u4ee5\u805a\u4e19\u70ef\u8148\uff08 PAN\uff09\u4e3a\u6a21\u677f\uff0c\u5236\u5f97\u4e86\u53cc\u5c42Si-SiOx\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u7535\u6781\u6750\u6599\uff0c\u5e76\u7814\u7a76\u4e86SiO x\u58f3\u5c42\u5bf9Si\u6838\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u4f53\u79ef\u53d8\u5316\u7684\u5f71\u54cd\u3002\u901a\u8fc7\u501f\u52a9SEM\u5206\u6790\u53ef\u5f97\uff0c\u8be5\u6750\u6599\u57282000\u6b21\u5145\u653e\u7535\u5faa\u73af\u540e\u4ecd\u4fdd\u6301\u8584\u5c42\u7684SEI\u819c\u7ed3\u6784\uff0c\u800c\u4e0e\u6b64\u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4\u7684\u662fSi\u7eb3\u7c73\u7ebf\u548c\u7eb3\u7c73\u7ba1\u5728200\u6b21\u5faa\u73af\u540e\u6574\u4e2a\u7845\u6750\u6599\u5b8c\u5168\u88abSEI\u819c\u8986\u76d6\uff0c\u65e0\u6cd5\u6e05\u695a\u89c2\u5bdf\u5230\u7eb3\u7c73\u7ebf\u6216\u7eb3\u7c73\u7ba1\u7684\u672c\u4f53\u7ed3\u6784\u3002<\/p>\n

\n\t\u76f8\u5e94\u7684\uff0c\u5236\u5907\u7684\u53cc\u5c42Si-SiO x\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u7535\u6781\u6750\u6599\u7684\u7535\u5316\u5b66\u6027\u80fd\u4e5f\u660e\u663e\u4f18\u4e8eSi\u7eb3\u7c73\u7ebf\u548c\u7eb3\u7c73\u7ba1\u3002\u6027\u80fd\u7684\u6539\u8fdb\u53ef\u5f52\u4e8eSiOx\u5c42\u7ed3\u6784\u53ef\u4ee5\u9650\u5236\u5185\u5c42Si\u6750\u6599\u9502\u5316\u8fc7\u7a0b\u6c47\u603b\u7684\u5411\u5916\u81a8\u80c0\uff0c\u4ece\u800c\u4fdd\u6301\u7ba1\u72b6\u6750\u6599\u8868\u9762 SEI \u819c\u7684\u957f\u671f\u7a33\u5b9a\uff0c\u8fdb\u800c\u51cf\u5c0f\u4e86\u4e0d\u53ef\u9006\u5bb9\u91cf\u635f\u5931\uff0c\u63d0\u9ad8\u4e86\u5e93\u4f26\u6548\u7387\u3002\u540c\u6837\u5730\uff0cWang\u7b49\u7814\u7a76\u53d1\u73b0\u81ea\u7136\u6c27\u5316\u4e0b\u7684\u65e0\u5b9a\u578b\u7eb3\u7c73\u4e2d\u7a7aSi\u7ba1\u5728\u9502\u5316\u8fc7\u7a0b\u4e2d\u4f53\u79ef\u4e0d\u4f1a\u5411\u5185\u4fa7\u81a8\u80c0\uff0c\u800c\u901a\u8fc7\u589e\u52a0Si\u5916\u5c42\u6c27\u5316\u7269\u7684\u539a\u5ea6\u53ef\u4ee5\u6291\u5236Si\u5c42\u4f53\u79ef\u5411\u5916\u81a8\u80c0\uff0c\u4f7f\u5176\u5411\u5185\u90e8\u7a7a\u95f4\u81a8\u80c0\u3002<\/p>\n

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\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t2.2.2 \u7403\u72b6\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784<\/p>\n

\n\t\u7403\u72b6\u4e2d\u7a7a\u7ed3\u6784\u7684\u5236\u5907\u76f8\u5bf9\u7ba1\u72b6\u4e2d\u7a7a\u7ed3\u6784\u8981\u4e3a\u7b80\u5355\u3002 Chen\u7b49\u4ee5\u805a\u82ef\u4e59\u70ef\uff08 PS\uff09\u4e3a\u6a21\u677f\uff0c\u6b63\u7845\u9178\u56db\u4e59\u916f\uff08 TE<\/u>OS\uff09\u4e3a\u7845\u6e90\uff0c\u5408\u6210\u4e86\u4e2d\u7a7a\u591a\u5b54SiO2\uff0c\u518d\u7ecf\u9541\u70ed\u8fd8\u539f\u5f97\u5230\u4e2d\u7a7a\u591a\u5b54 Si\uff08 HPSi\uff09\uff0c \u6700\u540e\u5728\u5176\u8868\u9762\u5305\u8986\u4e00\u5c42\u94f6\u6216\u78b3\uff0c\u5f62\u6210\u7403\u72b6\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u7535\u6781\u6750\u6599\u3002HPSi-Ag\u6750\u6599\u7684\u9996\u6b21\u653e\u7535\u4e0e\u5145\u7535\u6bd4\u5bb9\u91cf\u5206\u522b\u4e3a3762 mAh\/g \u4e0e3146mA \/g\uff0c\u540c\u65f6\u4e0e\u7c7b\u4f3c\u7ed3\u6784\u7684HPSi-C\u76f8\u6bd4\uff0c \u8be5\u6750\u6599\u8868\u73b0\u51fa\u66f4\u597d\u7684\u5faa\u73af\u6027\u80fd\uff0c\u8fd9\u53ef\u5f52\u4e8eAg\u5177\u6709\u66f4\u597d\u7684\u5bfc\u7535\u6027\u548c\u673a\u68b0\u5f3a\u5ea6\uff0c\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u53d8\u5f62\u5c0f\uff0c\u56e0\u800c\u66f4\u6709\u5229\u4e8e\u7ef4\u6301\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u7684\u7a33\u5b9a\u3002<\/p>\n

\n\t\u4e0e\u4e4b\u76f8\u4f3c\uff0cAshuri\u7b49\u5229\u7528\u7c7b\u4f3c\u7684\u65b9\u6cd5\u5236\u5907\u4e86\u4e2d\u7a7aSi\uff08 HSi\uff09\uff0c\u518d\u5c06\u4e2d\u7a7aSi\u5421\u54af\u6df7\u5408\u540e\u9ad8\u6e29\u78b3\u5316\u5f97\u5230HSi@C\u6750\u6599\u3002\u4ed6\u4eec\u8ba4\u4e3a\u5c3d\u7ba1\u94f6\u5305\u8986HSi\u6709\u7740\u66f4\u4f18\u7684\u7535\u5316\u5b66\u6027\u80fd\uff0c\u4f46Ag\u5305\u8986\u5c42\u5728100\u6b21\u5faa\u73af\u540e\u58f3\u7ed3\u6784\u5f00\u59cb\u7834\u88c2\uff0c\u800c\u78b3\u5305\u8986\u5c42\u5728\u8d1f\u6781\u6750\u6599\u4e2d\u7a33\u5b9a\u6027\u66f4\u597d\uff0c\u5b9e\u73b0\u5305\u8986\u7684\u65b9\u6cd5\u591a\uff0c\u6210\u672c\u4f4e\uff0c\u603b\u4f53\u66f4\u5177\u6709\u4f18\u52bf\u3002Wen \u7b49\u7814\u53d1\u4e86\u4e00\u79cd\u7531\u53cc\u5c42\u58f3\u5305\u8986\u7684Si-SiC-C\u590d\u5408\u6750\u6599\u3002\u5982\u56fe5\u6240\u793a\uff0c\u8be5\u7ed3\u6784\u5236\u5907\u662f\u5206\u522b\u4ee5TEOS\u4e3a\u7845\u6e90\uff0c\u8461\u8404\u7cd6\u4e3a\u78b3\u6e90\uff0c\u901a\u8fc7\u6c34\u70ed\u53cd\u5e94\u5236\u5907\u5f97\u6838\u58f3\u7ed3\u6784\u7684SiO2@C\uff0c\u518d\u7ecf\u9541\u70ed\u8fd8\u539f\uff0c\u6700\u540e\u8fdb\u8fc7\u76d0\u9178\u5904\u7406\u5f97\u5230\u4e2d\u7a7a\u53cc\u5c42\u58f3\u7684\u6838\u58f3\u7ed3\u6784\u3002<\/p>\n

\n\t\u5728\u8be5\u6df7\u5408\u7ed3\u6784\u4e2d\uff0c\u4e2d\u7a7a Si\u5185\u90e8\u7684\u9884\u7559\u7a7a\u95f4\u4e0e\u4e2d\u95f4\u5c42SiC\u534f\u540c\u4f5c\u7528\uff0c\u80fd\u6709\u6548\u7684\u7f13\u51b2Si\u4f53\u79ef\u53d8\u5316\uff0c\u4fdd\u6301SEI\u819c\u5c42\u7684\u7a33\u5b9a\uff1b\u800c\u5916\u5c42\u7684\u78b3\u6750\u6599\u7ec4\u6210\u7684\u4ea4\u8054\u7f51\u72b6\u7ed3\u6784\u6709\u5229\u4e8e\u7535\u5b50\u7684\u4f20\u5bfc\uff0c\u964d\u4f4e\u6b27\u59c6\u635f\u5931\u3002\u5176\u4e2dSi\u542b\u91cf\u4e3a48.5%\u7684Si-SiC\/C-2\u5728500mA\/g\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u9996\u6b21\u5faa\u73af\u653e\u7535\u6bd4\u5bb9\u91cf\u4e3a2340 mAh\/g\uff0c\u5e93\u4f26\u6548\u7387\u4e3a72.9%\uff0c\u572880\u6b21\u5145\u653e\u7535\u5faa\u73af\u540e\u5bb9\u91cf\u4e3a937mAh\/g\u3002<\/p>\n

\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t2.3 \u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784<\/p>\n

\n\t\u4e0e\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u7c7b\u4f3c\uff0c\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u4e5f\u662f\u901a\u8fc7\u5185\u90e8\u9884\u7559\u7a7a\u95f4\u6765\u7f13\u51b2Si\u5728\u9502\u5316\u8fc7\u7a0b\u4e2d\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u4e0e\u4e2d\u7a7a\u6838\u58f3\u7ed3\u6784\u4e0d\u540c\u7684\u662f\uff0c\u8be5\u7ed3\u6784\u7684\u9884\u7559\u7a7a\u95f4\u4f4d\u4e8e\u6d3b\u6027\u6750\u6599\u4e0e\u5305\u8986\u5c42\u4e4b\u95f4\u3002\u5176\u4e2d\u5916\u58f3\u6750\u6599\u901a\u5e38\u4e3a\u78b3\u6750\u6599\uff0c\u6d3b\u6027\u6750\u6599Si\u5d4c\u5165\u7531\u58f3\u6750\u6599\u5f62\u6210\u7684\u7a7a\u5fc3\u7403\u4e2d \u3002\u9884\u7559\u7a7a\u95f4\u4e3b\u8981\u901a\u8fc7HF\u523b\u8680SiO2\u6a21\u677f\uff08Stober\u6cd5\u6216\u76f4\u63a5\u6c27\u5316\u6d3b\u6027Si\uff09\u83b7\u5f97\u3002Tao\u7b49\u4ee5SiO2\u4e3a\u6a21\u677f\uff0c\u7532\u82ef\u4e3a\u78b3\u6e90\uff0c\u5236\u5907\u4e86\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u7684\u7845\u78b3\u590d\u5408\u6750\u6599\u3002\u8be5\u6750\u6599\uff08\u542b\u78b3\u91cf63wt%\uff09\u9996\u6b21\u653e\u7535\u6bd4\u5bb9\u91cf\u4e0e\u5145\u7535\u6bd4\u5bb9\u91cf\u5206\u522b\u4e3a1788mAh\/g\u4e0e783 mAh \/g\uff0c\u5faa\u73af100\u5468\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a 98%\uff0c\u6bcf\u6b21\u5faa\u73af\u7684\u5bb9\u91cf\u8870\u51cf\u53ea\u67090.02%\u3002<\/p>\n

\n\tYang\u7b49\u5229\u7528 Stober\u6eb6\u80f6\u51dd\u80f6\u6cd5\u5206\u4e24\u6b21\u5305\u8986\u5236\u5907\u5f97Si@SiO2@ mSiO2\uff08\u591a\u5b54SiO2\uff09\u7ed3\u6784\uff0c\u518d\u4ee5\u915a\u919b\u6811\u8102\u4e3a\u78b3\u6e90\uff0c\u7ecf\u7eb3\u7c73\u94f8\u9020\u540e\u78b3\u5316\u540e\u5f97\u5230Si@SiO2@ mSiO2-C\u7ed3\u6784\uff0c\u6700\u540e\u7528HF\u523b\u8680\u5408\u6210\u4e86Si@ mC\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u3002\u8be5\u6750\u6599\u7684\u591a\u5b54\u78b3\u5916\u58f3\u6709\u52a9\u4e8e\u5747\u8d28\u7a33\u5b9a\u7684SEI\u5f62\u6210\uff0c\u5e76\u52a0\u901f\u6d3b\u6027\u7269\u8d28\u6d78\u6da6\u7535\u89e3\u6db2\uff0c\u4fc3\u8fdbLi +\u7684\u8fc1\u79fb\uff0c\u63d0\u9ad8\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\uff0c\u5176\u4e2d\u57288.4%A\/g\u7684\u9ad8\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u5bb9\u91cf\u4fdd\u6301\u7387\u8fbe62.3% \u3002\u9664\u4e86\u76f4\u63a5\u5c06SiO2\u6a21\u677f\u5168\u90e8\u523b\u8680\u5916\uff0c\u8fd8\u53ef\u4ee5\u5229\u7528SiO2\u7684\u975e\u5747\u8d28\u6027\uff0c\u9009\u62e9\u6027\u7684\u523b\u8680\u6a21\u677f\u3002Yang\u7b49\u7528HF\u9009\u62e9\u6027\u523b\u8680 Si\/SiO2\/C\u590d\u5408\u6750\u6599\uff0c\u4f7fSiO2\u58f3\u5916\u4fa7\u8584\u5c42\uff084~6nm\uff09\u4e0e\u5185\u4fa7\u539a\u5c42\uff0810~30nm\uff09\u88ab\u523b\u8680\uff0c\u5f62\u6210Si\/void \/SiO2 \/void \/C\u53cc\u5c42\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\uff08\u56fe6\uff09\u3002\u5176\u4e2d\u53cc\u5c42\u58f3\u80fd\u9ad8\u6548\u963b\u6b62\u7535\u89e3\u6db2\u4e0e\u6d3b\u6027\u6750\u6599\u76f4\u63a5\u63a5\u89e6\uff0c\u5e76\u901a\u8fc7\u4e24\u6b21\u9884\u7559\u7a7a\u95f4\u7684\u7f13\u51b2\uff0c\u4fdd\u8bc1\u78b3\u58f3\u5c42\u7684\u7ed3\u6784\u7a33\u5b9a\uff0c\u51cf\u5c11\u4e0d\u53ef\u9006\u5bb9\u91cf\u7684\u635f\u5931\u3002\u8fd9\u79cd\u53cc\u58f3\u7ed3\u6784\u6750\u6599\u5728430\u6b21\u5faa\u73af\u540e\u6bd4\u5bb9\u91cf\u4e3a956mAh\/g\uff0c\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a83% \uff0c\u800cSi\/C\u5b9e\u5fc3\u6838\u58f3\u6750\u6599\u5728\u524d10\u5468\u5faa\u73af\u5185\u5bb9\u91cf\u5219\u8fc5\u901f\u8870\u51cf\u3002<\/p>\n

\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t\u5c3d\u7ba1\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u7684\u9884\u7559\u7a7a\u95f4\u80fd\u591f\u6709\u6548\u7f13\u51b2Si\u7684\u4f53\u79ef\u81a8\u80c0\uff0c\u4f46\u6d3b\u6027Si\u4e0e\u5916\u58f3\u4e4b\u95f4\u4e3b\u8981\u901a\u8fc7\u70b9\u63a5\u89e6\u8fde\u63a5\uff0c\u589e\u52a0\u4e86\u6750\u6599\u7684\u7535\u5316\u5b66\u963b\u6297\uff0c\u5e76\u4e0d\u5229\u4e8e\u9ad8\u901f\u7684\u7535\u5b50\u8f6c\u79fb\u548cLi +\u8fc1\u79fb\u3002\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u589e\u5927\u6d3b\u6027Si\u4e0e\u58f3\u7684\u63a5\u89e6\u9762\u79ef\u6216\u6539\u5584\u6d3b\u6027Si\u7684\u5bfc\u7535\u6027\u6765\u51cf\u5c0f\u963b\u6297\u3002Park\u7b49\u4ee5\u94c1\u915e\u83c1\u4e3a\u78b3\u6e90\u548c\u94c1\u6e90\u5305\u8986\u7eb3\u7c73Si\uff0c\u7ecf\u8fc7\u9ad8\u6e29\u78b3\u5316\u4e4b\u540e\u518d\u7528HF\u5bf9Si\u8fdb\u884c\u5c40\u90e8\u523b\u8680\uff0c\u5408\u6210\u4e86\u4e2d\u7a7a\u78b3\u5305\u8986Si\u590d\u5408\u6750\u6599\uff08\u56fe7 \uff09\u3002\u5206\u6790\u8ba4\u4e3a\uff0cSi\u4e0e\u78b3\u58f3\u7684\u63a5\u89e6\u4e3a\u9762\u63a5\u89e6\uff0c\u76f8\u6bd4\u4e8e\u70b9\u63a5\u89e6\u7ed3\u6784\u53ef\u4ee5\u4e3a\u9502\u79bb\u5b50\u548c\u7535\u5b50\u7684\u8fc1\u79fb\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u901a\u9053\uff0c\u6539\u5584\u4e86\u5bfc\u7535\u6027\u3002<\/p>\n

\n\t\u8be5\u6750\u6599\u5728\u7ecf\u8fc750\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u51e0\u4e4e\u6ca1\u6709\u8870\u51cf\uff0c\u800c\u70b9\u63a5\u89e6\u6750\u6599\u5728\u7ecf\u8fc740\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u8fc5\u901f\u51cf\u5c0f\u3002Xie\u7b49\u9009\u62e9\u591a\u5df4\u80fa\u4e3a\u78b3\u6e90\u83b7\u5f97\u7684\u78b3\u6765\u5305\u8986Si\u6838\uff0c\u968f\u540e\u523b\u8680\u6a21\u677fSiO2\u5236\u5907\u5f97\u5230Si@C@void@C\u590d\u5408\u6750\u6599\u3002\u7535\u5316\u5b66\u6027\u80fd\u6d4b\u8bd5\u8868\u660e\uff0cSi@ C@ void@C\u7ed3\u6784\u6750\u6599\u7684\u9996\u6b21\u653e\u7535\u6bd4\u5bb9\u91cf\u4e3a1910mAh \/g\uff0c50\u6b21\u5145\u653e\u7535\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a71%\uff0c\u800cSi@void@C\u5bf9\u5e94\u7684\u503c\u5206\u522b\u4e3a1132 mAh\/g \u4e0e66%.\u5206\u6790\u8ba4\u4e3a\uff0c\u989d\u5916\u7684\u78b3\u5c42\u80fd\u63d0\u5347\u6574\u4e2a\u6750\u6599\u7684\u5bfc\u7535\u6027\uff0c\u6b64\u5916\uff0c\u78b3\u5c42\u5f88\u5927\u7a0b\u5ea6\u4e0a\u7f13\u89e3\u4e86\u7535\u89e3\u6db2\u5bf9Si\u6d3b\u6027\u6750\u6599\u7684\u4fb5\u8680\u3002\u9664\u4e86\u901a\u8fc7Si\u590d\u5408\u6750\u6599\u9897\u7c92\u5185\u90e8\u7ed3\u6784\u8c03\u6574\u7684\u65b9\u6cd5\u6765\u51cf\u5c11\u7535\u6781\u7684\u963b\u6297\uff0c\u8fd8\u53ef\u5c06\u96f6\u7ef4Si\u590d\u5408\u6750\u6599\u5d4c\u5165\u5230\u4e00\u7ef4\u6216\u4e8c\u7ef4\u5bfc\u7535\u6750\u6599\u4e2d\uff0c\u6784\u5efa\u8fde\u7eed\u6709\u5e8f\u7684\u7ed3\u6784\uff0c\u8fdb\u4e00\u6b65\u4ece\u6574\u4f53\u4e0a\u6539\u5584\u7535\u6781\u6750\u6599\u7684\u5bfc\u7535\u6027\u3002\u4f55\u5927\u65b9\u7b49\u7814\u7a76\u5236\u5907\u4e86Si\/void\/C\/graphene \u4e09\u7ef4\u6709\u5e8f\u590d\u5408\u6750\u6599\u3002<\/p>\n

\n\t\u5728\u8be5\u590d\u5408\u7ed3\u6784\u4e2d\uff0c\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u7684Si\/void\/C\u9897\u7c92\u5d4c\u5165\u5728\u77f3\u58a8\u70ef\u5c42\u4e4b\u95f4\uff0c\u66f4\u8fdb\u4e00\u6b65\u7684\u51cf\u7f13\u4e86Si\u7684\u4f53\u79ef\u6548\u5e94\uff0c\u63d0\u5347\u6750\u6599\u7684\u5bfc\u7535\u6027\u3002\u5176\u4e2d\u8be5\u6750\u6599\u57284200mA\/g \u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u5faa\u73af1000\u6b21\u540e\u6bd4\u5bb9\u91cf\u4ecd\u9ad8\u8fbe1603mAh\/g\uff1b\u572867A\/g\u7684\u9ad8\u500d\u7387\u4e0b\uff0c\u6bd4\u5bb9\u91cf\u4ecd\u6709310mAh\/g\uff0c\u5927\u500d\u7387\u7535\u6d41\u4e0b\u7684\u5faa\u73af\u6027\u80fd\u5927\u5e45\u63d0\u5347\u3002\u4e0e\u4e4b\u76f8\u4f3c\uff0cChen\u7b49\u5229\u7528\u6eb6\u80f6\u51dd\u80f6\u6cd5\u4e0e\u9759\u7535\u7eba\u4e1d\u6280\u672f\u7ed3\u5408\u5236\u5907\u5f97\u5230\u5d4c\u6709Si\/void\/C\u9897\u7c92\u7684\u78b3\u7eb3\u7c73\u7ea4\u7ef4\uff08 CNFs\uff09\u590d\u5408\u6750\u6599\u3002\u8be5\u6750\u6599\u5728200 mA \/g\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5faa\u73af100\u6b21\u540e\u53ef\u9006\u5bb9\u91cf\u4e3a1020.7 mAh\/ g\uff0c\u800c\u57283.2 A\/g\u7684\u9ad8\u7535\u6d41\u5bc6\u5ea6\u4e0b\u4e5f\u5177\u6709\u826f\u597d\u7684\u5faa\u73af\u6027\u80fd \u3002<\/p>\n

\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t\u5728\u6784\u9020\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u7684\u8fc7\u7a0b\u4e2d\uff0cSiO2\u7684\u5236\u5907\u6210\u672c\u9ad8\uff0c\u8fc7\u7a0b\u590d\u6742\u3002\u6b64\u5916\uff0c\u6c22\u6c1f\u9178\u4e3a\u6709\u6bd2\u7269\u8d28\uff0c\u4e0d\u5229\u4e8e\u5b9e\u9645\u7684\u5e94\u7528\uff0c\u6240\u4ee5\u6a21\u677f\u4e0e\u523b\u8680\u6db2\u7684\u9009\u62e9\u5c24\u4e3a\u91cd\u8981 \u3002Zhang\u7b49\u9009\u62e9\u4ee5CaCO3 \u4e3a\u6a21\u677f\uff0c\u4e59\u7094\u4e3a\u78b3\u6e90\uff0c\u901a\u8fc7CVD\u5236\u5907\u5f97C@ void@ Si\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u3002\u7ed3\u679c\u8868\u660e\uff0c\u8be5\u6750\u6599\u7ed3\u6784\u4e2d\u7684\u78b3\u5c42\u5206\u4e3a\u4e24\u4e2a\u7ed3\u6784\u90e8\u5206\uff0c\u5176\u4e2d\u4e00\u90e8\u5206\u78b3\u5bf9\u5355\u8d28Si \u9897\u7c92\u8fdb\u884c\u5305\u8986\uff0c\u800c\u53e6\u4e00\u90e8\u5206\u78b3\u5bf9\u7845\u78b3\u590d\u5408\u7269\u5f62\u6210\u6574\u4f53\u5305\u8986\uff0c\u5373\u5f62\u6210\u4e86\u53cc\u5c42\u78b3\u5c42\u5305\u8986\u9897\u7c92\u7ed3\u6784\u3002\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0c\u5f53Si\u542b\u91cf\u4e3a30wt%\u7684\u65f6\u5019\uff0c\u8be5\u6750\u6599\u5728\u7535\u6d41\u4e3a250 mA\/g\u4e0b\u5faa\u73af200\u6b21\u540e\u53ef\u9006\u5bb9\u91cf\u4e3a1100mAh\/g \u3002<\/p>\n

\n\t\u8fd9\u4e00\u6750\u6599\u4e2d\uff0cCaCO3 \u7684\u5236\u5907\u6210\u672c\u4f4e\uff0c\u65f6\u95f4\u77ed\uff0c\u540c\u65f6\u7528\u7a00HCl\u4ee3\u66ffHF\u523b\u8680\u66f4\u4e3a\u5b89\u5168\u3001\u73af\u4fdd\u3002Zhang\u7b49\u901a\u8fc7\u94f6\u955c\u53cd\u5e94\u5728Si\u9897\u7c92\u8868\u9762\u5f62\u6210\u94f6\u5c42\u540e\uff0c\u4f7f\u7528\u8461\u8404\u7cd6\u4e3a\u78b3\u6e90\uff0cFeSO4·7H2 O\u4e3a\u50ac\u5316\u5242\u524d\u9a71\u4f53\uff0c\u5728\u5176\u8868\u9762\u539f\u4f4d\u751f\u957f\u591a\u6676\u77f3\u58a8\u70ef\uff0c\u968f\u540e\u518d\u7528HNO3 \u53bb\u9664\u94f6\u6a21\u677f\u5c42\u5236\u5907\u5f97\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u7684Si@void@graphene \u590d\u5408\u6750\u6599\u3002\u8be5\u6750\u6599\u7535\u5316\u5b66\u6027\u80fd\u660e\u663e\u4f18\u4e8eSi@void@amorphous carbon\uff08\u672a\u4f7f\u7528\u50ac\u5316\u5242\u524d\u9a71\u4f53\uff09\u590d\u5408\u6750\u6599\u3002\u5206\u6790\u8ba4\u4e3a\uff0c\u591a\u6676\u77f3\u58a8\u70ef\u76f8\u6bd4\u65e0\u5b9a\u578b\u78b3\u5177\u6709\u66f4\u597d\u7684\u6297\u53d8\u5f62\u80fd\u529b\uff0c\u5c24\u5176\u662f\u5f53\u9884\u7559\u7a7a\u95f4\u4e0d\u8db3\u4ee5\u7f13\u51b2Si\u4f53\u79ef\u81a8\u80c0\u65f6\uff0c\u591a\u6676\u77f3\u58a8\u70ef\u4ecd\u80fd\u4fdd\u6301\u7ed3\u6784\u7684\u5b8c\u6574\u6027\uff0c\u907f\u514dSEI\u819c\u7684\u53cd\u590d\u5f62\u6210 \u3002<\/p>\n

\n\t\u5c3d\u7ba1\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u4e2d\u7684\u5b54\u9699\u5f88\u597d\u5730\u7f13\u51b2\u4e86Si\u7684\u4f53\u79ef\u53d8\u5316\u6548\u5e94\uff0c\u4f46Si\u4e0e\u58f3\u4e4b\u95f4\u7684\u5b54\u9699\u4ee5\u53ca\u6750\u6599\u9897\u7c92\u7684\u7eb3\u7c73\u5c3a\u5bf8\u4f1a\u4f7f\u6750\u6599\u6709\u66f4\u9ad8\u7684\u6bd4\u8868\u9762\u79ef\uff0c\u66f4\u4f4e\u7684\u632f\u5b9e\u5bc6\u5ea6\uff0c\u4ea7\u751f\u9ad8\u754c\u9762\u963b\u6297\u548c\u9ad8\u4e0d\u53ef\u9006\u5bb9\u91cf\u3002Liu\u7b49\u901a\u8fc7\u4e8c\u6b21\u9020\u7c92\u6cd5\u5236\u5907\u4e86\u4e00\u79cd\u77f3\u69b4\u7ed3\u6784\u7684\u7845\u78b3\u590d\u5408\u6750\u6599\uff08\u56fe8\uff09\u3002\u8be5\u6750\u6599\u4e2d\u86cb\u9ec4\u86cb\u58f3\u7ed3\u6784\u7684Si@void@ C\u7ecf\u8fc7\u7ec4\u88c5\u5e76\u5305\u8986\u78b3\u5c42\u5f62\u6210\u5fae\u7c73\u7ea7\u7684\u4e8c\u6b21\u9897\u7c92\uff0c \u5728\u7ef4\u6301\u7535\u6781\u6750\u6599\u7f13\u51b2\u7a7a\u95f4\u7684\u540c\u65f6\u589e\u5927\u4e86\u9897\u7c92\u7684\u5c3a\u5bf8\uff0c\u51cf\u5c0f\u4e86\u6750\u6599\u7684\u6bd4\u8868\u9762\u79ef\u3002\u7535\u5316\u5b66\u6027\u80fd\u8868\u660e\uff0c\u57280.5C\u7535\u6d41\u4e0b\uff0c1000\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a97%\uff0c\u6bcf\u6b21\u5faa\u73af\u5bb9\u91cf\u635f\u59310.003%\u3002<\/p>\n

\n\t\u6b64\u5916\uff0c\u8be5\u6750\u6599\u7684\u4f53\u79ef\u6bd4\u5bb9\u91cf\u9ad8\u8fbe1270 mAh\/cm3\u3002\u4e0e\u4e4b\u76f8\u4f3c\uff0cPang\u7b49\u901a\u8fc7\u975e\u6a21\u677f\u6cd5\u5236\u5907\u4e86\u4e00\u79cd\u77f3\u69b4\u72b6\u7ed3\u6784\u7684Si@C\u590d\u5408\u6750\u6599\u3002\u5728\u8be5\u6750\u6599\u4e2d\uff0c\u805a\u4e19\u70ef\u8148\uff08 PAN\uff09\u5148\u5305\u8986Si\u9897\u7c92\u5e76\u4e73\u5316\u5f62\u6210\u5fae\u7c73\u7ea7\u9897\u7c92\uff0c\u518d\u7ecf\u9ad8\u6e29\u78b3\u5316\u540e\u5728Si\u9897\u7c92\u5468\u56f4\u5f62\u6210\u4e86\u4e09\u7ef4\u78b3\u5c42\u7ed3\u6784\uff0c\u6700\u540e\u901a\u8fc7\u63a7\u5236HF\u4e0eSi\u53cd\u5e94\u65f6\u95f4\u8c03\u8282Si\u9897\u7c92\u5927\u5c0f\uff0c\u4ece\u800c\u5728\u78b3\u5c42\u4e0eSi\u9897\u7c92\u4e4b\u95f4\u4ea7\u751f\u7a7a\u9699\u3002\u5176\u4e2d\u7ecf10 h\u5904\u7406\u7684Si@C\u7684\u9996\u6b21\u5145\u653e\u7535\u6bd4\u5bb9\u91cf\u5206\u522b\u4e3a1727 mAh\/g\u4e0e1346mAh\/g\uff0c\u5faa\u73af\u7a33\u5b9a\u6027\u660e\u663e\u4f18\u4e8e\u672a\u7ecfHF\u5904\u7406\u7684Si@C\u6750\u6599\u3002\u8fd9\u4e00\u57fa\u4e8e\u77f3\u69b4\u7ed3\u6784\u7684Si@C\u590d\u5408\u6750\u6599\uff0c\u4e00\u65b9\u9762\u91c7\u7528\u7eb3\u7c73\u57fa\u5143\u9897\u7c92\u7684\u7ed3\u6784\u8bbe\u8ba1\u63d0\u9ad8\u7535\u6781\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u53e6\u4e00\u65b9\u9762\u53c8\u53ef\u4ee5\u501f\u52a9\u77f3\u69b4\u578b\u7ed3\u6784\u6765\u4fdd\u8bc1\u9ad8\u4f53\u79ef\u6bd4\u5bb9\u91cf\u7684\u5b9e\u73b0\u3002<\/p>\n

\n\t\"\u9502\u79bb\u5b50\u7535\u6c60\u6838\u58f3\u7ed3\u6784\u7845\u57fa\u8d1f\u6781\u6750\u6599\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u5982\u4f55\u9009\u62e9\"<\/p>\n

\n\t2.4 \u5176\u5b83\u6838\u58f3\u7ed3\u6784<\/p>\n

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\n\t3 \u603b\u7ed3\u4e0e\u5c55\u671b<\/p>\n

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