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\u3010\u7814\u7a76\u80cc\u666f\u3011<\/strong><\/p>\n \u7531\u4e8e\u91d1\u5c5e\u9502\uff08Li\uff09\u5177\u6709\u8d28\u91cf\u8f7b\uff0c\u6bd4\u5bb9\u91cf\u9ad8\u548c\u8d85\u4f4e\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\u7b49\u4f18\u70b9\uff0c\u56e0\u6b64\u88ab\u8ba4\u4e3a\u662f\u8bb8\u591a\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7535\u6c60\u5982Li-S\uff0cLi-Se\u548cLi-O2<\/sub>\u7535\u6c60\u7b49\u7684\u7406\u60f3\u8d1f\u6781\u3002\u7136\u800c\uff0cLi+<\/sup>\u7684\u4e0d\u5747\u5300\u6c89\u79ef\u548cLi\u91d1\u5c5e\u8d1f\u6781\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u5927\u7684\u4f53\u79ef\u53d8\u5316\u81f4\u4f7f\u5728\u56fa\u4f53\u7535\u89e3\u8d28\u5c42\uff08SEI\uff09\u8868\u9762\u5f62\u6210\u8bb8\u591a\u88c2\u7f1d\uff0c\u8fd9\u8fdb\u4e00\u6b65\u52a0\u901f\u4e86Li\u7684\u4e0d\u5747\u5300\u6c89\u79ef\uff0c\u6d88\u8017\u66f4\u591a\u7684\u7535\u89e3\u8d28\u5e76\u5bfc\u81f4\u663e\u8457\u7684\u5b89\u5168\u95ee\u9898\u548c\u8f83\u4f4e\u7684\u5e93\u4ed1\u6548\u7387\uff08ICE\uff09\u3002 \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u6768\u5168\u7ea2\u6559\u6388\u8bfe\u9898\u7ec4\uff08Nanoyang Group\uff09<\/strong>, \u6e05\u534e\u5927\u5b66\u6df1\u5733\u7814\u7a76\u751f\u9662\u5415\u4f1f\u526f\u6559\u6388<\/strong>\u53ca\u5408\u4f5c\u8005\u62a5\u9053\u4e86\u5c06g-C3<\/sub>N4<\/sub>\u5305\u8986\u5728\u6ce1\u6cab\u954d\u8868\u9762\uff0c\u5229\u7528g-C3<\/sub>N4<\/sub>\u4e0a\u73af\u5f62\u5fae\u7535\u573a\u7684\u4f5c\u7528\u5f97\u5230\u4e86\u4e00\u79cd\u4eb2\u9502\u7684\u4e09\u7ef4\u96c6\u6d41\u4f53\u3002\u5b9e\u9a8c\u8bc1\u660e\u4e0e3D\u91d1\u5c5e\u9aa8\u67b6\u7ed3\u5408\u7684g-C3<\/sub>N4<\/sub>\u5bf9\u4e8e\u4fc3\u8fdbLi\u7684\u5747\u5300\u6210\u6838\u4e0e\u6c89\u79ef\uff0c\u6291\u5236\u9502\u679d\u6676\u751f\u957f\u5177\u6709\u663e\u8457\u7684\u6548\u679c\u3002\u5bc6\u5ea6\u6cdb\u51fd\u8ba1\u7b97\u548c\u5b9e\u9a8c\u7814\u7a76\u5747\u8868\u660e\u7531\u5728g-C3<\/sub>N4<\/sub>\u7684\u4e09\u55ea\u73af\u5904\u5f62\u6210\u7684\u73af\u5f62\u5fae\u7535\u573a\u53ef\u4ee5\u663e\u8457\u964d\u4f4eLi\u7684\u6210\u6838\u8fc7\u7535\u4f4d\uff0c\u8bf1\u5bfcLi\u7684\u5747\u5300\u6210\u6838\uff0c\u4f7f\u5f97\u9502\u53ef\u4ee5\u5728\u4e09\u7ef4\u96c6\u6d41\u4f53\u4e0a\u5747\u5300\u6c89\u79ef\u3002\u6b64\u5916\uff0c3D\u591a\u5b54\u9aa8\u67b6\u6709\u5229\u4e8e\u5438\u6536Li\u5728\u53cd\u590d\u7684\u6c89\u79ef\/\u5265\u79bb\u8fc7\u7a0b\u4e2d\u4f53\u79ef\u53d8\u5316\u548c\u7a33\u5b9aSEI\u5c42\u3002\u57fa\u4e8eg-C3<\/sub>N4<\/sub>@Ni\u7684Li\u91d1\u5c5e\u8d1f\u6781\u8868\u73b0\u51fa\u5353\u8d8a\u7684\u7535\u5316\u5b66\u6027\u80fd\uff1a\u9ad8\u7684\u5e93\u4f26\u6548\u7387\uff08300\u6b21\u5faa\u73af\u540e\u4ecd\u670998\uff05\u4fdd\u6301\u7387\uff09\uff0c\u9ad8\u8fbe900\u5c0f\u65f6\u7684\u7a33\u5b9a\u6027\uff081.0 mA h cm-2<\/sup>\uff0c 1mA cm-2<\/sup>\u6761\u4ef6\u4e0b\uff09\u548c\u8f83\u5c0f\u7684\u8fc7\u7535\u52bf\uff08\u5c0f\u4e8e15 mV \uff09\u3002\u8be5\u6210\u679c\u8fd1\u65e5\u4ee5\u9898\u4e3a\u201cGraphitic Carbon Nitride Induced Micro-Electric Field for Dendrite-Free Lithium Metal Anodes<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aAdv. Energy Mater.<\/strong> \u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\uff1a\u4e0d\u540c\u57fa\u4f53\u4e0a\u9502\u6210\u6838\u6c89\u79ef\u793a\u610f\u56fe<\/strong> \u56fe\u4e8c\uff1a\u6750\u6599\u6a21\u62df\u53ca\u8868\u5f81<\/strong> \u56fe\u4e09\uff1a\u6750\u6599\u5f62\u8c8c\u8868\u5f81<\/strong> \u56fe\u56db\uff1a\u5e93\u4f26\u6548\u7387\u5bf9\u6bd4<\/strong> \u56fe\u4e94\uff1a\u5faa\u73af\u6027\u80fd<\/strong> \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u901a\u8fc7\u5c06g-C3<\/sub>N4<\/sub>\u5747\u5300\u7684\u5305\u8986\u5728\u4e09\u7ef4\u6ce1\u6cabNi\u4e0a\u5b9e\u73b0\u4e86\u5b9e\u73b0\u4e86\u4eb2\u9502\u4e09\u7ef4\u96c6\u6d41\u4f53\u7684\u6784\u5efa\u3002DFT\u8ba1\u7b97\u8868\u660e\uff0c\u5728g-C3<\/sub>N4<\/sub>\u7684\u4e09\u55ea\u73af\u4e0a\u56fa\u6709\u7684\u5f3a\u73af\u72b6\u8d1f\u7535\u5fae\u7535\u573a\u5177\u6709\u5f88\u5f3a\u7684\u6355\u83b7Li+<\/sup>\u7684\u80fd\u529b\uff0c\u4ece\u800c\u663e\u7740\u964d\u4f4e\u4e86Li\u7684\u6210\u6838\u8fc7\u7535\u4f4d\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u9ad8N\u542b\u91cf\u8bf1\u53d1\u7684\u5927\u91cf\u5747\u5300\u5206\u5e03\u7684\u73af\u5f62\u5fae\u7535\u573a\uff0c\u4ece\u800c\u5f62\u6210\u5927\u91cf\u7684Li\u6210\u6838\u4f4d\u70b9\uff0c\u8fd9\u4e9b\u539f\u4f4d\u5f62\u6210\u7684Li\u6838\u8fdb\u4e00\u6b65\u8bf1\u5bfc\u540e\u7eedLi\u7684\u5747\u5300\u6c89\u79ef\u3002\u6b64\u5916\uff0c\u5177\u6709\u5927\u7684\u6bd4\u8868\u9762\u79ef\u7684\u4e09\u7ef4g-C3<\/sub>N4<\/sub>@Ni\u6ce1\u6cab\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u7535\u6d41\u5bc6\u5ea6\uff0c\u4ece\u800c\u6291\u5236Li\u679d\u6676\u7684\u751f\u957f\u5e76\u51cf\u5c11\u5145\u7535\u548c\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u4f53\u79ef\u53d8\u5316\u3002\u56e0\u6b64\uff0cLi @ g-C3<\/sub>N4<\/sub> @ Ni\u8d1f\u6781\u5177\u6709\u9ad8\u5e93\u4ed1\u6548\u7387\uff0898\uff05\uff09\u548c\u8d85\u957f\u5bff\u547d\uff08900h\uff09\u3002\u57fa\u4e8eLi @ g-C3<\/sub>N4<\/sub>@ Ni\u8d1f\u6781\u7684\u5168\u7535\u6c60\u660e\u663e\u4f18\u4e8e\u6ca1\u6709g-C3<\/sub>N4<\/sub>\u5305\u8986\u5c42\u7684\u7535\u6c60\uff0c\u663e\u793a\u51fa\u4f18\u5f02\u7684\u7a33\u5b9a\u6027\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u57fa\u4e8eLi@g-C3<\/sub>N4<\/sub>@Ni\u7684\u5168\u7535\u6c60\u663e\u793a\u51fa\u4f18\u5f02\u7684\u7a33\u5b9a\u6027\uff0c\u5e76\u4e14\u660e\u663e\u4f18\u4e8e\u6ca1\u6709g-C3<\/sub>N4<\/sub>\u6d82\u5c42\u7684\u7535\u6c60\u3002\u603b\u4e4b\uff0c\u8fd9\u9879\u5de5\u4f5c\u663e\u793a\u4e86\u4e00\u79cd\u7b80\u5355\u4f46\u6709\u6548\u7684\u8868\u9762\u6539\u6027\u7b56\u7565\uff0c\u4ee5\u5b9e\u73b0\u9502\u7684\u5747\u5300\u6c89\u79ef\u3002\u800c\u4e14\u66f4\u91cd\u8981\u7684\u662f\uff0c\u5728\u7535\u6781\u8868\u9762\u4e0a\u5f15\u5165\u5fae\u7535\u573a\u4e5f\u53ef\u4ee5\u6269\u5c55\u5230\u5176\u4ed6\u7535\u5316\u5b66\u5e94\u7528\u4e2d\u4ee5\u6539\u5584\u8868\u9762\u6d3b\u6027\uff0c\u4f8b\u5982\u7535\u50ac\u5316\u548c\u5176\u4ed6\u80fd\u91cf\u5b58\u50a8\u88c5\u7f6e\u3002<\/p>\n
\n \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u8fdb\u884c\u4e86\u5927\u91cf\u7814\u7a76\uff0c\u5305\u62ec\u4f7f\u7528\u4eb2\u9502\u5bbf\u4e3b\u6539\u6027\u56fa\u6001\u7535\u89e3\u8d28\u6216\u6dfb\u52a0\u7535\u89e3\u6db2\u6dfb\u52a0\u5242\u6765\u5b9e\u73b0Li\u7684\u6c89\u79ef\u6216\u5f62\u6210\u7a33\u5b9a\u7684SEI\u819c\u3002\u53e6\u4e00\u4e2a\u5173\u952e\u95ee\u9898\u662f\u7535\u6d41\u5bc6\u5ea6\u5bf9Li\u6c89\u79ef\u884c\u4e3a\u5177\u6709\u663e\u8457\u7684\u5f71\u54cd\uff0c\u4e0e\u5e73\u9762\u7535\u6781\u76f8\u6bd4\uff0c3D\u96c6\u6d41\u4f53\u7531\u4e8e\u5177\u6709\u66f4\u5927\u7684\u6bd4\u8868\u9762\u79ef\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u5c40\u90e8\u7535\u6d41\u5bc6\u5ea6\u4ece\u800c\u5ef6\u7f13Li\u679d\u6676\u751f\u957f\u901f\u7387\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u591a\u6570\u91d1\u5c5e\u96c6\u6d41\u4f53\uff08Ni\uff0cCu\uff0cAl\uff09\uff0c\u5373\u4f7f\u5177\u67093D\u7ed3\u6784\uff0cLi\u6c89\u79ef\u65f6\u4e5f\u5b58\u5728\u5f88\u5927\u7684\u6210\u6838\u8fc7\u7535\u4f4d\u3002\u5728\u521d\u59cb\u9636\u6bb5\u7531\u4e8e\u8f83\u5927\u7684\u6210\u6838\u8fc7\u7535\u4f4d\u5f15\u8d77\u7684\u4e0d\u5747\u5300\u6210\u6838\u76f4\u63a5\u5bfc\u81f4\u5728\u968f\u540e\u7684\u751f\u957f\u9636\u6bb5\u4e2d\u4e0d\u5747\u5300\u7684Li\u6c89\u79ef\u3002\u56e0\u6b64\uff0c\u8fd9\u4e9b3D\u96c6\u6d41\u4f53\u672c\u8d28\u4e0a\u4e0d\u4f1a\u5b9e\u73b0Li\u7684\u5747\u5300\u6c89\u79ef\u3002<\/p>\n
\n
\n \u5728\u6ce1\u6cab\u954d\u57fa\u5e95\u548cg-C3<\/sub>N4<\/sub>@Ni\u57fa\u5e95\u4e0aLi\u6210\u6838\u548c\u6c89\u79ef\u8fc7\u7a0b\u793a\u610f\u56fe\u3002<\/p>\n
\n
\n \uff08a\uff09\u7528\u4e8e\u8ba1\u7b97Li+<\/sup>\u5438\u9644\u5728g-C3<\/sub>N4<\/sub>\u4e0a\u7684\u7ed3\u5408\u80fd\u7684\u6676\u4f53\u6a21\u578b\uff1b
\n \uff08b\uff09\u4e0ea\u5bf9\u5e94\u7684\u5dee\u5206\u7535\u8377\u56fe\uff1b
\n \uff08c\uff09\u7528\u4e8eLi+<\/sup>\u8ba1\u7b97\u5438\u9644\u5728Ni\u4e0a\u7684\u7ed3\u5408\u80fd\u7684\u6676\u4f53\u6a21\u578b\uff1b
\n \uff08d\uff09g-C3<\/sub>N4<\/sub>\u7684\u9ad8\u5206\u8fa8\u7387\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08HR-TEM\uff09\u56fe\u50cf\uff1b
\n \uff08e\uff09g-C3<\/sub>N4<\/sub>@Ni\u6ce1\u6cab\u7684SEM\u56fe\u50cf\uff1b
\n \uff08f\uff09g-C3<\/sub>N4<\/sub>\u7684XRD\u56fe\u8c31\uff1b
\n \uff08g\uff09g-C3<\/sub>N4<\/sub>\u7684C 1s XPS\u8c31\u56fe\uff1b
\n \uff08h\uff09g-C3<\/sub>N4<\/sub>\u7684N 1s XPS\u8c31\u56fe\uff1b
\n \uff08i\uff09\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b, \u9502\u5728g-C3<\/sub>N4<\/sub>@Ni\uff0c\u6ce1\u6cabNi\u548cCu\u7535\u6781\u4e0a\u6c89\u79ef\u7684\u6210\u6838\u8fc7\u7535\u4f4d\u3002<\/p>\n
\n
\n \uff08a-c\uff09g-C3<\/sub>N4<\/sub>@Ni foam\u4e0a\u6c89\u79ef3.0 mA h cm\u22122<\/sup> \u9502\u540e\u7684SEM\u56fe\u7247\u53ca\u5bf9\u5e94\u7684\u653e\u5927\u56fe\uff1b
\n \uff08d-f\uff09g-C3<\/sub>N4<\/sub>@Ni foam\u4e0a\u6c89\u79ef5.0 mA h cm\u22122<\/sup> \u9502\u540e\u7684SEM\u56fe\u7247\u53ca\u5bf9\u5e94\u7684\u653e\u5927\u56fe\uff1b
\n \uff08g-i\uff09 g-C3<\/sub>N4<\/sub>@Ni foam\u4e0a\u6c89\u79ef9.0 mA h cm\u22122<\/sup> \u9502\u540e\u7684SEM\u56fe\u7247\u53ca\u5bf9\u5e94\u7684\u6a21\u578b\u56fe\uff1b
\n \uff08j-l\uff09\u6ce1\u6cab\u954d\u4e0a\u6c89\u79ef9.0 mA h cm\u22122<\/sup> \u9502\u540e\u7684SEM\u56fe\u7247\u53ca\u5bf9\u5e94\u7684\u6a21\u578b\u56fe\u3002<\/p>\n
\n
\n \uff08a-b\uff09\u5728\u4e0d\u540c\u96c6\u6d41\u4f53\u4e0a\u6c89\u9502\/\u8131\u9502\u5e93\u4f26\u6548\u7387\u5bf9\u6bd4\uff1b
\n (c-d) g-C3<\/sub>N4<\/sub>@Ni foam\u4e0a\u6c89\u9502\/\u8131\u9502\u7684\u5bb9\u91cf-\u7535\u538b\u66f2\u7ebf\uff1b
\n (e)Li@g-C3<\/sub>N4<\/sub>@Ni\uff0cLi@Ni foam\u4ee5\u53caLi@Cu\u5bf9\u7535\u6c60\u5faa\u73af\u7a33\u5b9a\u6027\u6d4b\u8bd5 \uff081.0 mAh cm\u22122<\/sup>\uff0c1.0 mA cm\u22122<\/sup>\uff09\uff0c
\n \uff08f\uff09\u56fee\u4e2d130-140h\u4ee5\u53ca600-610h\u7684\u653e\u5927\u56fe\uff1b
\n (g)Li@g-C3<\/sub>N4<\/sub>@Ni\uff0cLi@Ni foam\u4ee5\u53caLi@Cu\u5bf9\u7535\u6c60\u5faa\u73af\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff081.0 mAh cm\u22122<\/sup>\uff0c2.0 mA cm\u22122<\/sup>\uff09\u3002<\/p>\n
\n
\n \uff08a\uff09Li@g-C3<\/sub>N4<\/sub>@Ni foam|LiCoO2<\/sub>\u7535\u6c60\u548cLi@Ni foam|LiCoO2<\/sub>\u7535\u6c60\u500d\u7387\u56fe\uff1b
\n \uff08b\uff091C\u65f6Li@g-C3<\/sub>N4<\/sub>@Ni foam|LiCoO2<\/sub>\u7535\u6c60\u548cLi@Ni foam|LiCoO2<\/sub>\u7535\u6c60\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u5bf9\u6bd4\u56fe\uff1b
\n \uff08c\uff09Li@g-C3<\/sub>N4<\/sub>@Ni foam|S\u7535\u6c60\u548cLi@Ni foam|S\u7535\u6c60\u7684\u500d\u7387\u56fe\uff1b
\n \uff08d\uff091C\u65f6Li@g-C3<\/sub>N4<\/sub>@Ni foam|S\u7535\u6c60\u548cLi@Ni foam|S\u7535\u6c60\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u5bf9\u6bd4\u56fe\u3002<\/p>\n