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\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n \u7535\u52a8\u6c7d\u8f66\u3001\u4fbf\u643a\u5f0f\u6d88\u8d39\u7535\u5b50\u7b49\u5feb\u901f\u53d1\u5c55\uff0c\u4ee5\u9502\u79bb\u5b50\u7535\u6c60\u4e3a\u4ee3\u8868\u7684\u4e00\u79cd\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u3001\u4f4e\u6210\u672c\u3001\u957f\u5bff\u547d\u7684\u4e8c\u6b21\u7535\u6c60\uff0c\u6b63\u65e5\u76ca\u53d7\u5230\u5168\u7403\u5173\u6ce8\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5d4c\u5165\u7535\u6c60\u7684\u5316\u5b66\u6027\u8d28\uff0c\u9502\u79bb\u5b50\u7535\u6c60\u7684\u6bd4\u80fd\u91cf\u6b63\u63a5\u8fd1\u7406\u8bba\u6781\u9650\uff08<350 Wh kg-1<\/sup>\uff09\u3002\u57fa\u4e8e\u5d4c\u5165\u673a\u5236\u7684\u77f3\u58a8\u88ab\u5e7f\u6cdb\u63a5\u53d7\u4e3a\u5b9e\u9645\u9502\u79bb\u5b50\u7535\u6c60\u9502\u79bb\u5b50\u7535\u6c60\u7684\u8d1f\u6781\u6750\u6599\uff0c\u56e0\u4e3a\u77f3\u58a8\u7684\u7279\u5b9a\u5d4c\u5165\/\u8131\u5d4c\u5de5\u4f5c\u673a\u5236\u5c06\u91cd\u590d\u5faa\u73af\u671f\u95f4\u7684\u6d3b\u6027\u9502\u6e90\u635f\u5931\u964d\u81f3\u6700\u4f4e\uff0c\u5e76\u663e\u8457\u63d0\u9ad8\u5faa\u73af\u5bff\u547d\u3002\u4f46\u662f\uff0c\u77f3\u58a8\u8d1f\u6781\uff08372 mAh g-1<\/sup>\uff09\u8f83\u4f4e\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u9650\u5236\u4e86\u5176\u5728\u63d0\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u65b9\u9762\u7684\u8fdb\u4e00\u6b65\u5e94\u7528\u3002\u63a2\u7d22\u5177\u6709\u9ad8\u6bd4\u5bb9\u91cf\u7684\u5148\u8fdb\u8d1f\u6781\u6750\u6599\uff0c\u4ee5\u53d6\u4ee3\u5e38\u89c4\u9502\u79bb\u5b50\u7535\u6c60\u4e2d\u7684\u77f3\u58a8\uff0c\u662f\u5b9e\u73b0\u66f4\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7535\u6c60\u7684\u4e3b\u8981\u7b56\u7565\u3002<\/p>\n \u5728\u5404\u79cd\u8d1f\u6781\u6750\u6599\u4e2d\uff0c\u57fa\u4e8e\u8f6c\u5316\u673a\u5236\u7684\u9502\u91d1\u5c5e\u63d0\u4f9b\u4e863860 mAh g-1<\/sup>\u7684\u8d85\u9ad8\u7406\u8bba\u6bd4\u5bb9\u91cf\u548c\u4f4e\u8fd8\u539f\u7535\u4f4d\uff08-3.040 V vs. RHE\uff09\uff0c\u88ab\u8ba4\u4e3a\u662f\u7406\u60f3\u7684\u7535\u6c60\u8d1f\u6781\u6750\u6599\u3002\u4f46\u662f\u7531\u4e8e\u4e0d\u5747\u5300\u7684\u8131\u51fa\u8fc7\u7a0b\uff0c\u90e8\u5206\u6d3b\u6027\u9502\u4e0d\u53ef\u907f\u514d\u5730\u5931\u53bb\u4e0e\u5bfc\u7535\u7f51\u7edc\u7684\u7535\u5b50\u63a5\u89e6\uff0c\u5f62\u6210\u201c\u6b7b\u9502\u201d\u3002\u5728\u540e\u7eed\u5faa\u73af\u4e2d\uff0c\u6b7b\u9502\u4e0d\u80fd\u88ab\u5229\u7528\uff0c\u964d\u4f4e\u4e86\u9502\u91d1\u5c5e\u7684\u5229\u7528\u6548\u7387\uff0c\u4ece\u800c\u5bfc\u81f4\u5de5\u4f5c\u7535\u6c60\u7684\u5bff\u547d\u7f29\u77ed\u3002\u4f46\u662f\u5728\u6b7b\u9502\u7d2f\u79ef\u8fc7\u7a0b\u4e2d\uff0c\u91d1\u5c5e\u9502\u8d1f\u6781\u7684\u8131\u9502\u7535\u4f4d\u9010\u6b65\u63d0\u5347\uff0c\u4e3a\u590d\u5408\u8131\u9502\u673a\u5236\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u673a\u4f1a\u3002\u77f3\u58a8\u8d1f\u6781\u57fa\u4e8e\u8131\u5d4c\u673a\u5236\u7684\u8131\u9502\u7535\u4f4d\u662f0.1 V vs. Li\/Li+<\/sup>\uff0c\u6bd4\u91d1\u5c5e\u9502\u7684\u8131\u9502\u7535\u4f4d\uff080 V\uff09\u7a0d\u9ad8\u3002\u800c\u77f3\u58a8\u8d1f\u6781\u5faa\u73af\u8fc7\u7a0b\u4e2d\u5e93\u4ed1\u6548\u7387\u6781\u9ad8\uff0c\u4e0d\u6613\u4ea7\u751f\u6b7b\u9502\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u901a\u8fc7\u590d\u5408\u8d1f\u6781\u7684\u6784\u7b51\u5b9e\u73b0\u8131\u9502\u673a\u5236\u7684\u8f6c\u53d8\uff0c\u6709\u671b\u5728\u4fdd\u8bc1\u6bd4\u5bb9\u91cf\u7684\u524d\u63d0\u4e0b\uff0c\u5728\u540e\u671f\u5faa\u73af\u4e2d\u5b9e\u73b0\u65b0\u7684\u8131\u9502\u673a\u5236\uff0c\u51cf\u5c11\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u6b7b\u9502\uff0c\u63d0\u5347\u8d1f\u6781\u5faa\u73af\u7a33\u5b9a\u6027\u3002 \u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66\u5f20\u5f3a\u6559\u6388\u548c\u5317\u4eac\u7406\u5de5\u5927\u5b66\u5f20\u5b66\u5f3a\u526f\u7814\u7a76\u5458\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u8fde\u7eed\u8f6c\u5316-\u8131\u5d4c\uff08CTD\uff09\u7684\u8131\u9502\u673a\u5236\uff0c\u4ee5\u63d0\u9ad8\u91d1\u5c5e\u9502\u7684\u5229\u7528\u6548\u7387\uff0c\u51cf\u5c11\u6b7b\u9502\u7684\u4ea7\u751f\uff0c\u4ece\u800c\u63d0\u9ad8\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u5176\u4e2d\u8be5\u5de5\u4f5c\u673a\u5236\u662f\u901a\u8fc7\u64cd\u7eb5\u8d1f\u6781\u7684\u8fc7\u7535\u4f4d\u6765\u6291\u5236\u6b7b\u9502\u7684\u4ea7\u751f\u3002\u5728\u521d\u59cb\u5faa\u73af\u8fc7\u7a0b\u4e2d\uff0c\u4ec5\u901a\u8fc7\u9502\u91d1\u5c5e\u7684\u8f6c\u5316\u53cd\u5e94\u8fdb\u884c\u8131\u9502\u3002\u5728\u5faa\u73af\u540e\uff0c\u5f53\u8d1f\u6781\u7684\u8fc7\u7535\u4f4d\u9ad8\u4e8e\u9502\u5316\u77f3\u58a8\u7684\u8131\u9502\u7535\u4f4d\u65f6\uff0c\u5c31\u4f1a\u89e6\u53d1\u8131\u5d4c\u53cd\u5e94\uff0c\u4ece\u800c\u5b8c\u6210\u6574\u4e2aCTD\u8131\u9502\u8fc7\u7a0b\uff0c\u8fdb\u800c\u5927\u5927\u51cf\u5c11\u56e0\u4e3a\u8f6c\u5316\u53cd\u5e94\u800c\u5f62\u6210\u7684\u6b7b\u9502\u3002\u5728\u5b9e\u9645\u6761\u4ef6\u4e0b\uff0c\u57fa\u4e8eCTD\u8131\u9502\u673a\u5236\u7684\u5de5\u4f5c\u7535\u6c60\u53ef\u4ee5\u4fdd\u6301210\u6b21\u5faa\u73af\uff0c\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a80%\uff0c\u800c\u666e\u901a\u7684\u9502\u8d1f\u6781\u4ec5\u80fd\u5faa\u73af110\u6b21\u3002\u6b64\u5916\uff0c\u5177\u6709CTD\u8131\u9502\u673a\u5236\u76841 Ah\u8f6f\u5305\u7535\u6c60\u53ef\u4ee5\u5b9e\u73b0150\u6b21\u5faa\u73af\u3002\u5c06\u8be5\u590d\u5408\u8d1f\u6781\u4e0e\u7535\u538b\u66f4\u9ad8\u7684NCM811\u6750\u6599\u5339\u914d\uff0c\u57fa\u4e8e\u5168\u90e8\u8d28\u91cf\u8ba1\u7b97\u7684\u7535\u6c60\u7684\u80fd\u91cf\u5bc6\u5ea6\u53ef\u8d85\u8fc7400 Wh kg-1<\/sup>\u3002\u8be5\u5de5\u4f5c\u5de7\u5999\u5730\u901a\u8fc7\u63a7\u5236\u8d1f\u6781\u7684\u8131\u9502\u673a\u5236\u6765\u6291\u5236\u6b7b\u9502\u7684\u4ea7\u751f\uff0c\u5e76\u4e3a\u590d\u5408\u9502\u8d1f\u6781\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cA Successive Conversion-Deintercalation Delithiation Mechanism for Practical Composite Lithium Anodes\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520a J. Am. Chem. Soc.<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001\u8131\u9502\u673a\u5236\u793a\u610f\u56fe<\/strong> \uff08b\uff09\u590d\u5408\u8d1f\u6781\u5728\u957f\u5faa\u73af\u540e\u7684\u8131\u9502\u673a\u5236\u793a\u610f\u56fe\u3002<\/p>\n \u56fe\u4e8c\u3001\u590d\u5408\u8d1f\u6781\u5728\u5b9e\u9645\u5faa\u73af\u4e2d\u7684\u8fc7\u7535\u4f4d\u6f14\u5316<\/strong> \uff08b\uff09\u4e09\u7535\u6781\u6d4b\u8bd5\u4e2d\u5e73\u5747\u8fc7\u7535\u4f4d\u4e0e\u5faa\u73af\u5708\u6570\u7684\u5173\u7cfb\u3002\uff1b<\/p>\n \uff08c\uff09\u4e09\u7535\u6781\u5b9e\u9a8c\u4e2d\u5355\u6b21\u5faa\u73af\u8131\u9502\u8fc7\u7a0b\u4e2d\u7535\u4f4d\u8d85\u8fc70.1 V\u7684\u6bd4\u4f8b\u4e0e\u5faa\u73af\u5708\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n \u56fe\u4e09\u3001\u5b9e\u9a8c\u8bc1\u660e\u590d\u5408\u8d1f\u6781\u4e2d\u5d4c\u9502\u77f3\u58a8\u4e2d\u7684\u9502\u79bb\u5b50\u53ef\u4ee5\u88ab\u5229\u7528<\/strong> \uff08b\uff09\u4e0a\u8ff0\u7535\u6c60\u7b2c2\u6b21\u5faa\u73af\u548c\u7b2c15\u6b21\u5faa\u73af\u7684\u7535\u538b-\u5bb9\u91cf\u66f2\u7ebf\u3002<\/p>\n \uff08c\uff09\u56fe3b\u4e2d\u534a\u5706\u5f62\u77f3\u58a8\u7535\u6781\u7684XRD\u56fe\u3002 \u84dd\u7ebf\u548c\u7ea2\u7ebf\u5206\u522b\u4ee3\u8868\u7b2c2\u548c\u7b2c15\u6b21\u5faa\u73af\u3002 1#\u548c2#\u5206\u522b\u8868\u793a\u5145\u7535\u7684\u4e2d\u95f4\u6001\u548c\u672b\u6001\u3002<\/p>\n \uff08d-f\uff09TOF-SIMS\u5206\u6790\u7b2c15\u6b21\u5faa\u73af\u540e\u7684\u56fe3b\u4e2d\u7684\u534a\u5706\u5f62\u77f3\u58a8\u7535\u6781\u4e2d\u7684(d) C\u2212<\/sup>\u3001(e) Li+<\/sup>\u548c(f) Li2<\/sub>\u2212<\/sup>\u3002<\/p>\n \u56fe\u56db\u3001CTD\u8131\u9502\u673a\u5236\u8fde\u7eed\u6027\u8bc1\u660e<\/strong> \uff08b-c\uff09\u5728\u4e0d\u540c\u9759\u7f6e\u65f6\u95f4\u4e0b\u77f3\u58a8\u7535\u6781\u7684\u989c\u8272\u548cXRD\u56fe\uff1b<\/p>\n \uff08d\uff09\u8ba1\u7b97Li\/C\u590d\u5408\u8d1f\u6781\u4e2dLiC6<\/sub>\u5f62\u6210\u7684\u52a8\u529b\u5b66\u53c2\u6570\uff1b<\/p>\n \uff08e\uff09\u5168\u7535\u6c60\u7b2c100\u6b21\u5faa\u73af\u65f6\u590d\u5408\u8d1f\u6781\u7684XRD\u8c31\u548c\u76f8\u5e94\u7684\u7535\u538b\u5bb9\u91cf\u66f2\u7ebf\u3002<\/p>\n \uff08f\uff09\u5728\u4e0d\u540c\u5faa\u73af\u4e0b\u666e\u901a\u9502\u548cLi\/C\u590d\u5408\u8d1f\u6781\u7684\u5e73\u5747CE\u548c\u53ef\u9006\u9502\u5bb9\u91cf\u3002<\/p>\n \u56fe\u4e94\u3001\u7ebd\u6263\u548c\u8f6f\u5305\u7535\u6c60\u7684\u5faa\u73af\u6027\u80fd<\/strong> \uff08b\uff09\u7ebd\u6263\u7535\u6c60\u5728\u7b2c3\u6b21\u548c\u7b2c110\u6b21\u5faa\u73af\u65f6\u7684\u76f8\u5e94\u7535\u538b\u66f2\u7ebf\uff1b<\/p>\n \uff08c\uff09\u5177\u6709Li\/C\u8d1f\u6781\u548cNCM523\u6b63\u6781\u76841 Ah\u8f6f\u5305\u7535\u6c60\u57280.1 C\u4e0b\u7684\u5faa\u73af\u6027\u80fd\uff1b<\/p>\n \uff08d\uff09\u8f6f\u5305\u7535\u6c60\u5728\u7b2c3\u6b21\u548c\u7b2c100\u6b21\u5faa\u73af\u65f6\u7684\u7535\u538b-\u5bb9\u91cf\u66f2\u7ebf\uff1b<\/p>\n \uff08e\uff09\u590d\u5408\u8d1f\u6781\u7684\u6bd4\u5bb9\u91cf\u4e0e\u9502\u91d1\u5c5e\u7684\u8d28\u91cf\u6bd4\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n \uff08f\uff09\u4e0e\u4e0d\u540c\u7684\u5178\u578b\u6b63\u6781\u5339\u914d\u60c5\u51b5\u4e0b\uff0c\u7535\u6c60\u7684\u6bd4\u80fd\u91cf\u548c\u590d\u5408\u8d1f\u6781\u7684\u6bd4\u5bb9\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n
\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n
<\/p>\n
\n \uff08a\uff09\u590d\u5408\u8d1f\u6781\u5728\u521d\u59cb\u5faa\u73af\u7684\u8131\u9502\u673a\u5236\u793a\u610f\u56fe\uff1b<\/p>\n
\n \uff08a\uff09\u901a\u8fc7\u4e09\u7535\u6781\u6d4b\u8bd5\u6d4b\u91cf\u7684\u590d\u5408\u8d1f\u6781\u7684\u8131\u9502\u7535\u4f4d\uff1b<\/p>\n
\n \uff08a\uff09\u5bf9\u534a\u7535\u6c60\u5728\u539f\u59cb\u72b6\u6001(\u5de6)\u3001\u521d\u59cb\u5faa\u73af(\u4e2d)\u548c\u957f\u5faa\u73af\u540e(\u53f3)\u5de5\u4f5c\u72b6\u6001\u793a\u610f\u56fe\u3002<\/p>\n
\n \uff08a\uff09LiC6<\/sub>\u7684\u5f62\u6210\u673a\u7406\u793a\u610f\u56fe\uff1b<\/p>\n
\n \uff08a\uff09\u5177\u6709\u4e0d\u540c\u8d1f\u6781\u548cNCM523\u6b63\u6781\u7684\u7ebd\u6263\u7535\u6c60\u57280.4 C\u4e0b\u7684\u5faa\u73af\u6027\u80fd\uff1b<\/p>\n