{"id":195514,"date":"2020-02-19T06:51:36","date_gmt":"2020-02-18T22:51:36","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=195514"},"modified":"2020-02-18T19:59:37","modified_gmt":"2020-02-18T11:59:37","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91%e4%b8%ad%e5%8d%97%e5%a4%a7%e5%ad%a6%e7%ba%aa%e6%95%88%e6%b3%a2ensm%e9%80%9a%e8%bf%87%e5%9c%a8%e5%85%b7%e6%9c%89%e4%ba%b2%e9%94%82%e7%9b%b8%e7%9a%84","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=195514","title":{"rendered":"\u4e2d\u5357\u5927\u5b66\u7eaa\u6548\u6ce2EnSM:\u901a\u8fc7\u5728\u5177\u6709\u4eb2\u9502\u76f8\u7684\u5206\u7ea7\u6846\u67b6\u4e2d\u8c03\u63a7\u6210\u6838\u65b9\u5f0f\u5b9e\u73b0\u65e0\u679d\u6676\u9502\u91d1\u5c5e\u8d1f\u6781"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n

\u00a0\u00a0\u9502\u91d1\u5c5e\u8d1f\u6781\u7531\u4e8e\u5177\u6709\u8d85\u9ad8\u7684\u6bd4\u5bb9\u91cf\uff083860 mAh g–<\/sup>1<\/sup>\uff09\uff0c\u8f83\u4f4e\u7684\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\uff08-3.04 V vs\u6807\u51c6\u6c22\u7535\u6781\uff09\u548c\u8f83\u4f4e\u7684\u91cd\u91cf\u5bc6\u5ea6\uff080.534 g cm–<\/sup>1<\/sup>\uff09\u800c\u83b7\u5f97\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u3002\u7136\u800c\uff0c\u4e0d\u5747\u5300\u7684\u9502\u6c89\u79ef\u4f1a\u5f15\u8d77\u4e25\u91cd\u7684\u679d\u6676\u751f\u957f\u548c\u5267\u70c8\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u4ece\u800c\u5bfc\u81f4\u4f4e\u7684\u5e93\u4f26\u6548\u7387\u548c\u6f5c\u5728\u7684\u5b89\u5168\u9690\u60a3\u3002\u8fd1\u4e9b\u5e74\u6765\uff0c\u8bf8\u5982\u50cf\u589e\u5f3a\u56fa\u6001\u7535\u89e3\u8d28\u754c\u9762\u5c42\uff08SEI\uff09\uff0c\u4eba\u5de5\u4fdd\u62a4\u5c42\u548c\u6539\u6027\u9694\u819c\u7b49\u65b9\u5f0f\u7a33\u5b9a\u9502\u91d1\u5c5e\u95ee\u9898\u3002\u4ece\u672c\u8d28\u4e0a\u6765\u770b\uff0c\u9502\u679d\u6676\u751f\u957f\u662f\u5178\u578b\u7684\u91d1\u5c5e\u6c89\u79ef\u8fc7\u7a0b\uff0c\u4f9d\u636e\u7ecf\u5178\u7684Sand\u6a21\u578b\uff0c\u964d\u4f4e\u9502\u6c89\u79ef\u7684\u5c40\u90e8\u7535\u6d41\u5bc6\u5ea6\u53ef\u4ee5\u6709\u6548\u5730\u5ef6\u8fdf\u679d\u6676\u7684\u5f62\u6210\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u5728\u4e09\u7ef4\u9aa8\u67b6\u4e2d\u5f15\u5165\u4eb2\u9502\u76f8\uff0c\u80fd\u6709\u6548\u8c03\u63a7\u9502\u6c89\u79ef\u7684\u5f62\u6838\u65b9\u5f0f\uff0c\u4ece\u800c\u5b9e\u73b0\u9502\u91d1\u5c5e\u7684\u5747\u5300\u6c89\u79ef\u3002\u56e0\u6b64\u5728\u53ef\u5145\u7535\u9502\u91d1\u5c5e\u7535\u6c60\u7684\u53d1\u5c55\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u6784\u7b51\u9ad8\u5b54\u9699\u7387\u3001\u5408\u7406\u7684\u5b54\u9699\u7ed3\u6784\u548c\u4eb2\u9502\u9aa8\u67b6\u7684\u96c6\u6d41\u4f53\u6765\u6291\u5236\u9502\u679d\u6676\u5e76\u9002\u5e94\u4f53\u79ef\u53d8\u5316\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u8fd1\u65e5\uff0c<\/b><\/strong>\u4e2d\u5357\u5927\u5b66<\/b><\/strong>\u7eaa\u6548\u6ce2\u6559\u6388<\/b><\/strong>\uff08\u901a\u8baf\u4f5c\u8005<\/b><\/strong>\uff09<\/b><\/strong>\u901a\u8fc7\u7b80\u5355\u9ad8\u6548\u7684\u53bb\u5408\u91d1\u5316\u548c\u5316\u5b66\u9540\u65b9\u6cd5\uff0c\u5c06\u5546\u7528\u9ec4\u94dc\u7f51\u6784\u7b51\u6210\u4e09\u7ef4\u5206\u7ea7\u591a\u5b54\u7ed3\u6784\u5e76\u5f15\u5165\u4eb2\u9502Sn\u5c42\u3002\u5728\u7535\u9540\u9502\u8fc7\u7a0b\u4e2d\uff0c\u539f\u4f4d\u7535\u5316\u5b66\u751f\u6210\u7684Li-Sn\u5408\u91d1\u80fd\u663e\u8457\u964d\u4f4e\u6210\u6838\u7535\u4f4d\uff0c\u5b9e\u73b0\u5747\u5300\u7684\u9502\u6210\u6838\/\u751f\u957f\u3002\u540c\u65f6\uff0c\u5177\u670960.2\uff05\u7684\u9ad8\u5b54\u9699\u7387\u7684\u72ec\u7279\u5206\u7ea7\u591a\u5b54\u7ed3\u6784\u786e\u4fdd\u4e86Li\u6c89\u79ef\u7535\u6d41\u5bc6\u5ea6\u7684\u5747\u5300\u5206\u6563\u3002\u5f97\u76ca\u4e8e\u4ee5\u4e0a\u7684\u4f18\u70b9\uff0c\u57281 mA cm-2<\/sup>\u7535\u6d41\u5bc6\u5ea6\u7684\u534a\u7535\u6c60\u4e2d\uff0c\u80fd\u591f\u5faa\u73af240\u5708\uff0c\u5e76\u4e14\u4fdd\u630198%\u7684\u5e93\u4f26\u6548\u7387\u3002\u57281 mA cm-2<\/sup>\u7535\u6d41\u5bc6\u5ea6\u7684\u5bf9\u79f0\u7535\u6c60\u4e2d\u80fd\u591f\u5faa\u73af800h\u4ee5\u4e0a\uff0c\u800c\u4e14\u6781\u5316\u8f83\u5c0f\uff0c\u540c\u65f6\u4f7f\u57fa\u4e8e\u6b64\u7684LiFePO4<\/sub>\u5168\u7535\u6c60\u57280.5C\u7684\u7535\u6d41\u4e0b\uff0c\u5bb9\u91cf\u4fdd\u6301\u7387\u63d0\u9ad8\u523092.9\uff05\uff0c\u8fd9\u9879\u5de5\u4f5c\u63d0\u51fa\u4e86\u4e00\u79cd\u5b9e\u73b0\u65e0\u679d\u6676\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u9ad8\u6548\u7b56\u7565\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u201cDendrite-Free Lithium Metal Anode with Lithiophilic Interphase from Hierarchical Frameworks by Tuned Nucleation<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Energy Storage Mater.<\/b><\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u56fe\u4e00\u3001<\/b><\/strong>HP-Cu@Sn\u96c6\u6d41\u4f53\u5236\u5907\u6d41\u7a0b\"\"\uff08a-d\uff09\u9ec4\u94dc\u7f51\uff08a\uff09\uff0cHP-Cu\uff08b\uff0cc\uff09\u548cHP-Cu@Sn\uff08d\uff09\u7684SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff09\u53bb\u5408\u91d1\u5316\u548c\u9540Sn\u4e4b\u540eXRD\u56fe\u8c31\uff1b<\/p>\n

\uff08f-h\uff09\u9ec4\u94dc\u7f51\uff08f\uff09\uff0cHP-Cu\uff08g\uff09\u548cHP-Cu@Sn\uff08h\uff09\u7684\u622a\u9762SEM\u56fe\u50cf\u53ca\u76f8\u5bf9\u5e94\u7684\u5143\u7d20\u5206\u5e03\uff1b<\/p>\n

\uff08i\uff09HP-Cu@Sn\u96c6\u6d41\u4f53\u5236\u5907\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe\u4e8c\u3001<\/b><\/strong>\u9502\u6c89\u79ef\u8fc7\u7535\u4f4d\u5bf9\u6bd4<\/b><\/strong>\"\"<\/b><\/strong>\uff08a-d\uff09\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u9ec4\u94dc\u7f51\uff08a\uff09\uff0cHP-Cu\uff08b\uff09\u548cHP-Cu@Sn\uff08c\uff09\u9502\u6c89\u79ef\u7684\u7535\u538b-\u5bb9\u91cf\u66f2\u7ebf\u548c\u76f8\u5e94\u7684\u8fc7\u7535\u4f4d\u53d8\u5316\uff08d\uff09\uff1b<\/p>\n

\uff08e\uff09\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a0.5 mA cm-2<\/sup>\u65f6\uff0c\u4fee\u9970Sn\u548c\u672a\u4fee\u9970Sn\u7684Cu\u7b94\u7684\u9502\u6c89\u79ef\u7535\u4f4d\u6bd4\u8f83\uff1b<\/p>\n

\uff08f\uff0cg\uff09\u5728\u4fee\u9970Sn\u548c\u672a\u4fee\u9970Sn\u7684Cu\u7b94\u4e0a\u7194\u878d\u9502\u7684\u6570\u7801\u7167\u7247\u3002<\/p>\n

\u56fe\u4e09\u3001<\/b><\/strong>\u9502\u6c89\u79ef\u884c\u4e3a\u5bf9\u6bd4<\/b><\/strong>\"\"\uff08A-C\uff09\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a5 mA cm-2<\/sup>\u65f6\uff0c\u9ec4\u94dc\u7f51\uff08A1-A6\uff09\uff0cHP-Cu\uff08B1-B6\uff09\u548cHP-Cu@Sn\uff08C1-C6\uff09\u5206\u522b\u6c89\u79ef\u5bb9\u91cf\u4e3a1\u30013\u30015 mAh cm-2<\/sup>\u9502\u7684SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08D\uff09\u5728\u9ec4\u94dc\u7f51\uff08D1\uff09\u548cHP-Cu@Sn\uff08D2\uff09\u96c6\u6d41\u4f53\u4e0a\u4e0d\u540c\u9502\u91d1\u5c5e\u6c89\u79ef\u884c\u4e3a\u7684\u793a\u610f\u56fe\u3002\u00a0<\/b><\/strong><\/p>\n

\u56fe\u56db\u3001<\/b><\/strong>\u7535\u5316\u5b66\u6027\u80fd<\/b><\/strong>\"\"\uff08a\uff09\u9ec4\u94dc\u7f51\uff0cHP-Cu\u548cHP-Cu@Sn\u96c6\u6d41\u4f53\u57281 mA cm-2<\/sup>\u548c1 mAh cm-2<\/sup>\u7684\u6761\u4ef6\u4e0b\uff0c\u9502\u6c89\u79ef\u548c\u8131\u6eb6\u7684\u7535\u538b\u66f2\u7ebf\uff1b<\/p>\n

\uff08b-d\uff09\u57281 mA cm-2<\/sup>\uff08b\uff09\uff0c2 mA cm-2<\/sup>\uff08c\uff09\u548c3 mA cm-2<\/sup>\uff08d\uff09\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u5e93\u4f26\u6548\u7387\u7684\u5bf9\u6bd4\u56fe\uff08\u5bb9\u91cf\u4e3a1 mAh cm-2<\/sup>\uff09\uff1b<\/p>\n

\uff08e\uff0cf\uff09\u57fa\u4e8e\u9ec4\u94dc\u7f51\uff0cHP-Cu\u548cHP-Cu@Sn\u96c6\u6d41\u4f53\u7ec4\u6210\u7684\u5bf9\u79f0\u7535\u6c60\u7684\u5faa\u73af\u6027\u80fd\u548c\u500d\u7387\u6027\u80fd\u3002<\/p>\n

\u56fe\u4e94\u3001<\/b><\/strong>\u5faa\u73af\u524d\u540e\u7535\u6781\u5f62\u8c8c\u548c\u963b\u6297\u5bf9\u6bd4<\/b><\/strong>\"\"\uff08a-f\uff09\u5bf9\u79f0\u7535\u6c60\u57281 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u548c1 mAh cm-2<\/sup>\u5bb9\u91cf\u7684\u6761\u4ef6\u4e0b\uff0c\u9ec4\u94dc\u7f51\/Li\uff08a\uff09\uff0c\uff08b\uff09\uff0cHP-Cu\/Li\uff08c\uff09\uff0c\uff08d\uff09\u548cHP-Cu@Sn\/Li\uff08e\uff09\uff0c\uff08f\uff09\u5faa\u73af50\u5708\u540e\u7684SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08g\uff0ch\uff09\u4e0d\u540c\u7535\u6781\u5faa\u73af\u524d\u540e\u7684\u963b\u6297\u3002<\/p>\n

\u56fe\u516d\u3001\u5168\u7535\u6c60\u6027\u80fd<\/b><\/strong>\"\"\uff08a-c\uff09HP-Cu@Sn\/Li||LFP\uff08a\uff09\uff0cHP-Cu\/Li||LFP\uff08b\uff09\u7684\u5145\u653e\u7535\u66f2\u7ebf\u548c\u4e0d\u540c\u500d\u7387\u4e0b\u7684\u6027\u80fd\u56fe\uff08c\uff09\uff1b<\/p>\n

\uff08d\uff09\u57280.5C\u7684\u500d\u7387\u4e0b\uff0c\u4e0d\u540c\u7535\u6781\u7684\u5168\u7535\u6c60\u5faa\u73af\u6027\u80fd\u6bd4\u8f83\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n

\u603b\u4e4b\uff0c\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u7b80\u5355\u9ad8\u6548\u7684\u65b9\u6cd5\u5c06\u5546\u4e1a\u9ec4\u94dc\u7f51\u6784\u5efa\u4e3a\u4eb2\u9502\u548c\u5206\u7ea7\u5b54\u9699\u7ed3\u6784\uff0c\u4ee5\u4fc3\u8fdb\u9502\u91d1\u5c5e\u7684\u5747\u5300\u6210\u6838\u5e76\u6539\u5584\u5faa\u73af\u6027\u80fd\u3002\u7ecf\u8fc7\u53bb\u5408\u91d1\u884d\u751f\u7684\u4e9a\u5fae\u7c73\u7ed3\u6784\u5177\u6709\u8f83\u9ad8\u7684\u8868\u9762\u79ef\uff0c\u80fd\u591f\u964d\u4f4e\u5c40\u90e8\u7535\u6d41\u5bc6\u5ea6\u548c\u7f13\u89e3\u5faa\u73af\u8fc7\u7a0b\u4e2d\u9502\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u4ece\u800c\u786e\u4fdd\u7ed3\u6784\u7684\u7a33\u5b9a\u6027\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u5728\u4e09\u7ef4\u6846\u67b6\u4e2d\u5f15\u5165\u4eb2\u9502\u7684Li-Sn\u5408\u91d1\uff0c\u4ece\u800c\u5b9e\u73b0\u5747\u5300\u7684Li\u6210\u6838\u548c\u751f\u957f\u3002\u56e0\u6b64\uff0cHP-Cu@Sn\u7ed3\u6784\u57281 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u534a\u7535\u6c60\u80fd\u591f\u5faa\u73af240\u5708\uff0c\u540c\u65f6\u4fdd\u6301\u9ad8\u8fbe98.2%\u7684\u5e93\u4f26\u6548\u7387\u3002\u5728\u5bf9\u79f0\u7535\u6c60\u4e2d\uff0c\u76f8\u6bd4\u4e8e\u539f\u59cb\u7684\u9ec4\u94dc\u7f51\uff0cHP-Cu@Sn\u80fd\u591f\u4ee5\u8f83\u4f4e\u7684\u8fc7\u7535\u4f4d\u7a33\u5b9a\u5faa\u73af\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u76f8\u6bd4\u672a\u4fee\u9970Sn\u7eb3\u7c73\u9897\u7c92\u7684\u7535\u6781\uff0cHP-Cu@Sn\/Li\u7684\u5168\u7535\u6c60\u5c55\u73b0\u51fa\u66f4\u597d\u7684\u500d\u7387\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u8fd9\u4e9b\u7279\u70b9\u786e\u4fdd\u4e86\u6b64\u65b9\u6cd5\u80fd\u591f\u7528\u4e8e\u66f4\u52a0\u5b89\u5168\u548c\u7a33\u5b9a\u7684\u9502\u91d1\u5c5e\u8d1f\u6781\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>\u201c<\/b><\/strong>Dendrite-Free Lithium Metal Anode with Lithiophilic Interphase from Hierarchical Frameworks by Tuned Nucleation<\/b><\/u><\/strong><\/a>\u201d<\/b><\/strong>\u00a0<\/b><\/strong>(<\/b><\/strong>Energy Storage Mater.<\/b><\/strong>\u00a0<\/b><\/strong>DOI: <\/b><\/strong>10.1016\/j.ensm.2020.01.025<\/b><\/strong><\/a>\u00a0<\/b><\/strong>)<\/b><\/strong><\/p>\n

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