{"id":114578,"date":"2017-12-04T06:30:00","date_gmt":"2017-12-03T22:30:00","guid":{"rendered":"\/\/m.iemloyee.com\/?p=114578"},"modified":"2017-11-29T15:46:21","modified_gmt":"2017-11-29T07:46:21","slug":"j-am-chem-soc-%ef%bc%9a%e9%ab%98%e7%a8%b3%e5%ae%9a%e6%80%a7%e9%94%82-%e5%90%88%e9%87%91%e8%b4%9f%e6%9e%81%e4%b8%adsei%e5%bd%a2%e6%88%90%e8%bf%87%e7%a8%8b%e3%80%81%e7%bb%84%e4%bb%bd%e5%92%8c","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=114578","title":{"rendered":"J. Am. Chem. Soc.\uff1a\u9ad8\u7a33\u5b9a\u6027\u9502-\u5408\u91d1\u8d1f\u6781\u4e2dSEI\u5f62\u6210\u8fc7\u7a0b\u3001\u7ec4\u4efd\u548c\u5f62\u8c8c\u7684\u53ef\u63a7\u8c03\u8282"},"content":{"rendered":"

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

\u9502-\u5408\u91d1\u57fa\u8d1f\u6781\u6750\u6599\u5177\u6709\u6570\u500d\u4e8e\u4f20\u7edf\u77f3\u58a8\u8d1f\u6781\u7684\u9ad8\u50a8\u9502\u5bb9\u91cf\uff0c\u6709\u671b\u6210\u4e3a\u4e0b\u4e00\u4ee3\u9502\u79bb\u5b50\u7535\u6c60\u7406\u60f3\u7684\u7535\u6781\u6750\u6599\u3002\u7136\u800c\u9700\u8981\u6307\u51fa\u7684\u662f\uff1a\u8be5\u7c7b\u7535\u6781\u6750\u6599\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u4f53\u79ef\u53d8\u5316\u5927\u3001\u6613\u7c89\u5316\u7b49\u660e\u663e\u7684\u7f3a\u70b9\u3002\u66f4\u4e3a\u91cd\u8981\u7684\u662f\u9502\u5316-\u53bb\u9502\u5316\u8fc7\u7a0b\u4e2d\u7535\u6781\u8868\u9762\u7684\u56fa\u6001\u7535\u89e3\u8d28\u4e2d\u95f4\u76f8(SEI)\u7684\u7a33\u5b9a\u6027\u5f88\u5dee\uff0c\u4ece\u800c\u76f4\u63a5\u5f71\u54cd\u4e86\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u4f20\u7edf\u7684SEI\u7684\u5f62\u6210\u4e3b\u8981\u662f\u901a\u8fc7\u6d3b\u6027\u7269\u8d28\u8868\u9762\u7535\u89e3\u8d28\u7684\u5206\u89e3\u6765\u5f97\u4ee5\u5b9e\u73b0\uff0c\u7136\u800c\u8be5\u65b9\u6cd5\u5f62\u6210\u7684SEI\u7684\u529f\u80fd\u548c\u7ed3\u6784\u90fd\u4e0d\u80fd\u8fdb\u884c\u7cbe\u786e\u7684\u8c03\u63a7\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5bbe\u5915\u6cd5\u5c3c\u4e9a\u5dde\u7acb\u5927\u5b66<\/strong>\u7684\u738b\u4e1c\u6d77<\/strong>(<\/strong>\u901a\u8baf\u4f5c\u8005<\/strong>)<\/strong>\u7b49\u5728J. Am. Chem. Soc.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cGeneral Method of Manipulating Formation, Composition, and Morphology of Solid-Electrolyte Interphases for Stable Li-Alloy Anodes<\/strong>\u201d\u7684\u5b66\u672f\u8bba\u6587\uff0c\u62a5\u9053\u4e86\u9ad8\u7a33\u5b9a\u6027\u9502\u5408\u91d1\u8d1f\u6781\u4e2d\u56fa\u6001\u7535\u89e3\u8d28\u4e2d\u95f4\u76f8(SEI)\u53ef\u63a7\u8c03\u8282\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u3002\u7814\u7a76\u4eba\u5458\u9009\u62e9\u7845\u7eb3\u7c73\u9897\u7c92(Si NP)\u548c\u9517\u7eb3\u7c73\u9897\u7c92(Ge NP)\u4e3a\u5e73\u53f0\uff0c\u501f\u52a9\u70b9\u51fb\u53cd\u5e94(Click reaction)\u5b9e\u73b0\u4e86\u5bf9SEI\u7684\u5f62\u6210\u8fc7\u7a0b\u3001\u5316\u5b66\u7ec4\u5206\u548c\u5f62\u8c8c\u7684\u53ef\u63a7\u8c03\u8282\u3002\u9996\u5148\u5728\u6d3b\u6027\u7269\u8d28\u8868\u9762\u5171\u4ef7\u951a\u5b9a\u591a\u529f\u80fd\u6210\u5206\uff0c\u7136\u540e\u901a\u8fc7\u529f\u80fd\u6027\u6210\u4efd\u548c\u7535\u89e3\u8d28\u7684\u7535\u5316\u5b66\u5206\u89e3\u5f97\u5230SEI\u3002\u7814\u7a76\u53d1\u73b0\uff1a\u4f18\u5316\u540e\u7684SEI\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6210\u5206\u7a33\u5b9a\u6027\u548c\u5f62\u8c8c\u7a33\u5b9a\u6027\uff1b\u591a\u5143\u5316\u7684\u7ec4\u4efd\u4ee5\u53ca\u9ad8\u6d53\u5ea6\u7684\u6709\u673a\u6210\u5206\u662f\u5f62\u6210\u9ad8\u7a33\u5b9aSEI\u7684\u91cd\u8981\u539f\u56e0\uff1b\u6539\u6027\u5904\u7406\u540eSi NPs\u8d1f\u6781\u7684\u521d\u59cb\u5e93\u4f26\u6548\u7387\u5f97\u5230\u4e86\u63d0\u5347\uff0c\u5168\u7535\u6c60\u7684\u5faa\u73af\u5bff\u547d\u4e5f\u76f8\u5e94\u5ef6\u957f\u3002\u8be5\u65b9\u6cd5\u4e3a\u5176\u5b83\u7684\u9502-\u5408\u91d1\u8d1f\u6781\u6784\u5efa\u7a33\u5b9a\u7684SEI\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u53c2\u8003\u3002<\/p>\n

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

\u56fe<\/strong>-1. <\/strong>\u5316\u5b66\u589e\u5f3a\u56fa\u6001\u7535\u89e3\u8d28\u4e2d\u95f4\u76f8<\/strong>(CR-SEI)<\/strong>\u7684\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u4f20\u7edf\u7684SEI\u5f62\u6210\u8fc7\u7a0b\u548c\u5faa\u73af\u6027\u80fd\u793a\u610f\u56fe\uff1b(\u9ad8\u6d53\u5ea6\u7684\u65e0\u673a\u9502\u76d0\u4e0e\u7535\u6781\u8868\u9762\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u8f83\u5f31\uff0c\u8868\u9762\u949d\u5316\u4e0d\u5145\u5206\uff0c\u5bf9\u4f53\u79ef\u53d8\u5316\u7684\u8010\u53d7\u529b\u8f83\u5f31\uff0c\u5faa\u73af\u8fc7\u7a0b\u4e2dSEI\u7834\u88c2\u5e76\u4ece\u7535\u6781\u6750\u6599\u8868\u9762\u5265\u843d\uff0c\u5bfc\u81f4\u4e25\u91cd\u7684\u6d3b\u6027\u6750\u6599\u548c\u7535\u89e3\u8d28\u7684\u6d88\u8017\uff0c\u540c\u65f6\u4f1a\u5f62\u6210\u65e0\u6548SEI\u7684\u5bcc\u79ef)<\/p>\n

(b) \u6539\u8fdb\u540e\u7684CR-SEI\u7684\u5f62\u6210\u8fc7\u7a0b\u548c\u5faa\u73af\u6027\u80fd\u793a\u610f\u56fe\u3002(\u901a\u8fc7\u5171\u4ef7\u952e\u5408\u4f5c\u7528\u591a\u5143\u7684SEI\u6210\u5206\u951a\u5b9a\u5728\u7535\u6781\u6750\u6599\u8868\u9762\uff0c\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u7a33\u5b9a\u6027\u3002\u591a\u5143\u529f\u80fd\u5316\u7ec4\u4efd(\u7ea2\u7ebf\u548c\u9ec4\u7ebf\u6240\u793a)\u9996\u5148\u88ab\u951a\u5b9a\u5728\u521d\u59cb\u72b6\u6001\u7684Si NPs\u8868\u9762)\uff0c\u7136\u540e\u5728\u521d\u6b21\u9502\u5316\u8fc7\u7a0b\u4e2d\u5728\u7535\u5316\u5b66\u6d3b\u5316\u548c\u7535\u89e3\u8d28\u5206\u89e3\u5f62\u6210\u4f20\u7edf\u7684SEI\u7ec4\u4efd(\u84dd\u8272\u6240\u793a)\u540e\u539f\u4f4d\u5f62\u6210CR-SEI\u3002)<\/p>\n

\u56fe<\/strong>-2. CR-SEI<\/strong>\u7684\u7ed3\u6784\u8bbe\u8ba1\u548c\u7b5b\u9009<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5177\u6709\u5404\u79cd\u529f\u80fd\u6027\u9884\u951a\u5b9a\u7ec4\u5206\u7684Si NP\u7684\u7ed3\u6784\u8bbe\u8ba1\u548c\u5408\u6210\uff1b(\u6240\u6709\u6750\u6599\u90fd\u662f\u901a\u8fc7\u6a21\u5757\u5316\u548c\u9ad8\u6548\u7387\u7684\u70b9\u51fb\u53cd\u5e94\u6765\u5236\u5907\u7684\u3002)<\/p>\n

(b) \u5728\u534a\u7535\u6c60\u5faa\u73af\u6027\u80fd\u6d4b\u91cf\u4e2d, \u9884\u951a\u5b9a\u7ec4\u4efd\u7684Si NP\u7684\u7ed3\u6784\u4f18\u5316\u3002 2′-4′(\u5728\u7a81\u51fa\u663e\u793a\u7684\u6846\u4e2d)\u7684\u7ec4\u5408\u663e\u793a\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n

(c) \u901a\u8fc7\u534a\u7535\u6c60\u6d4b\u8bd5\u6765\u4f18\u5316Si Ns\u7684\u951a\u5b9a\u91cf\u3002\u5177\u6709\u4f18\u5316\u76842’\u548c4’\u8d1f\u8f7d\u7684Si NPs\u8868\u73b0\u51fa\u6700\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027(b\u548cc\u4e2d\u7684\u7c89\u7ea2\u7ebf\u6240\u793a)\u3002<\/p>\n

\u56fe<\/strong>-3. <\/strong>\u5339\u914d<\/strong>CR-SEI<\/strong>\u7684<\/strong>Si NP<\/strong>\u7535\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd\u6d4b\u8bd5\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u524d\u671f\u5faa\u73af\u8fc7\u7a0b\u4e2d\u5206\u522b\u5339\u914dCR-SEI\uff0c\u6c1f\u6c2f\u4e59\u70ef\u78b3\u9178\u916f\u6dfb\u52a0\u5242\u884d\u751f\u7684SEI(FEC-SEI)\u548c\u5e38\u89c4SEI\u7684Si NP\u7684\u7535\u538b\u66f2\u7ebf\uff1b<\/p>\n

(b) \u534a\u7535\u6c60\u4e2d\u5339\u914dCR-SEI(\u7c89\u8272)\uff0cFEC-SEI(\u84dd\u8272)\u548c\u5e38\u89c4SEI(\u7070\u8272)\u7684Si NP\u7535\u6781\u7684\u6bd4\u5bb9\u91cf\u548c\u5e93\u4f26\u6548\u7387(CE)\u66f2\u7ebf\uff1b<\/p>\n

(c) \u4e0d\u540c\u5faa\u73af\u6b21\u6570\u540e\uff0c\u5e38\u89c4SEI\uff0cFEC-SEI\u548cCR-SEI\u7684\u7535\u5316\u5b66\u963b\u6297\u8c31(EIS)\u66f2\u7ebf;<\/p>\n

(d) \u4ee5Si NP\u4e3a\u8d1f\u6781\uff0cLiNi0.5<\/sub>Co0.2<\/sub>Mn0.3<\/sub>O2<\/sub>\u4e3a\u6b63\u6781\uff0c\u5206\u522b\u5339\u914dCR-SEI(\u7c89\u8272)\u548cFEC-SEI(\u84dd\u8272)\u7684\u5168\u7535\u6c60\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\u548cCE\u66f2\u7ebf<\/p>\n

\u56fe<\/strong>-4. CR-SEI<\/strong>\u7684\u6210\u5206\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5faa\u73af30\u5708\u540e\u5206\u522b\u5339\u914dCR-SEI(\u4e0a)\u548c\u5e38\u89c4SEI(\u4e0b)Si NP\u7684\u9ad8\u5206\u8fa8X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31(XPS)\u5206\u6790\uff1b<\/p>\n

(b) \u5faa\u73af30\u5708\u540e\u5206\u522b\u5339\u914dCR-SEI(\u4e0a)\u548c\u5e38\u89c4SEI(\u4e0b)Si NP\u7684\u5085\u91cc\u53f6\u53d8\u6362\u7ea2\u5916(FT-IR)\u5206\u6790\uff1b<\/p>\n

(c) \u4e0d\u540c\u5faa\u73af\u5708\u6570\u540e\u5e38\u89c4SEI\u7684\u5143\u7d20\u6d53\u5ea6\u5206\u6790\uff1b<\/p>\n

(d) \u4e0d\u540c\u5faa\u73af\u5708\u6570\u540eCR-SEI\u7684\u5143\u7d20\u6d53\u5ea6\u5206\u6790\uff1b<\/p>\n

(e) \u5e26\u6709CR-SEI\u6b8b\u7559(\u7c89\u8272)\u548c\u5e38\u89c4SEI\u6b8b\u7559(\u9ed1\u8272)\u7684Si\u7684\u9ad8\u5206\u8fa8XPS\u8c31\u56fe\uff1b<\/p>\n

(f) \u5e26\u6709CR-SEI\u6b8b\u7559(\u7c89\u8272)\u548c\u5e38\u89c4SEI\u6b8b\u7559(\u9ed1\u8272)\u7684Si\u7684\u70ed\u91cd\u5206\u6790(TGA)\u66f2\u7ebf\uff1b<\/p>\n

\u56fe<\/strong>-5. CR-SEI<\/strong>\u7684\u5f62\u8c8c\u89c2\u6d4b<\/strong><\/p>\n

\"\"<\/p>\n

(a-e) \u5339\u914dCR-SEI\u7684Si NP\u7684\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c(EF-TEM)\u56fe\u50cf\uff1b\u5faa\u73af30\u5708\u540eCR-SEI\u539a\u5ea6\u7ea6\u4e3a10 nm, (c) Li\u5143\u7d20 (d) O\u5143\u7d20 (e) C\u5143\u7d20\u5747\u5300\u5206\u5e03;<\/p>\n

(f-j) \u5339\u914d\u5e38\u89c4SEI\u7684Si NP\u7684TEM\u56fe\u50cf\uff1b(f) \u5faa\u73af\u524d\u7684Si\uff1b(g) \u5faa\u73af1\u5708\u540e\u7684Si\uff1b(h) \u5faa\u73af5\u5708\u540e\u7684Si\uff1b(i) \u5faa\u73af50\u5708\u540e\u7684Si\uff1b(j) \u5faa\u73af100\u5708\u540e\u7684Si\uff1b(\u6240\u6709\u6837\u54c1\u5747\u5728\u53bb\u9502\u5316\u72b6\u6001\u4e0b\u5236\u5907)<\/p>\n

(k-o) \u5339\u914dCR-SEI\u7684Si NP\u7684TEM\u56fe\u50cf\uff1b(l) \u5faa\u73af1\u5708\u540e\u7684Si\uff1b(m) \u5faa\u73af5\u5708\u540e\u7684Si\uff1b(n) \u5faa\u73af50\u5708\u540e\u7684Si\uff1b(o) \u5faa\u73af100\u5708\u540e\u7684Si\uff1b(\u6240\u6709\u6837\u54c1\u5747\u5728\u53bb\u9502\u5316\u72b6\u6001\u4e0b\u5236\u5907)<\/p>\n

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

\u672c\u6587\u501f\u52a9\u70b9\u51fb\u53cd\u5e94\u5c06\u4e00\u7cfb\u5217\u4e0d\u540c\u7684\u529f\u80fd\u7ec4\u5206\u4ee5\u7cbe\u786e\u63a7\u5236\u7684\u7ed3\u6784\u548c\u6570\u91cf\u5171\u4ef7\u7ed3\u5408\u5230SEI\u4e2d\uff0c\u5b9e\u73b0\u4e86\u5bf9SEI\u5f62\u6210\u8fc7\u7a0b\u3001\u5316\u5b66\u7ec4\u5206\u548c\u5f62\u8c8c\u7684\u53ef\u63a7\u8c03\u8282\u3002\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\uff0cCR-SEI\u8868\u9762\u949d\u5316\u5145\u5206\u3001\u4f53\u79ef\u53d8\u5316\u7a33\u5b9a\u6027\u589e\u5f3a\u3001\u53ef\u4ee5\u4e0e\u6d3b\u6027\u6750\u6599\u8868\u9762\u4fdd\u6301\u6301\u4e45\u7684\u6709\u6548\u63a5\u89e6\uff0c\u6709\u6548\u63d0\u9ad8\u4e86\u9502\u79bb\u5b50\u7535\u6c60\u7684\u7a33\u5b9a\u6027\u548c\u4f7f\u7528\u5bff\u547d\u3002\u8be5\u65b9\u6cd5\u4e3a\u5176\u5b83\u9502-\u5408\u91d1\u8d1f\u6781\u6784\u5efa\u7a33\u5b9a\u7684SEI\u63d0\u4f9b\u4e86\u65b0\u7684\u501f\u9274\u548c\u601d\u8def\u53c2\u8003\u3002<\/p>\n

\u3010\u6587\u732e\u4fe1\u606f<\/strong>\u3011<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a General Method of Manipulating Formation, Composition, and Morphology of Solid-Electrolyte Interphases for Stable Li-Alloy Anodes<\/a> (J. Am. Chem. Soc., 2017, DOI: 10.1021\/jacs.7b07584)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u5b66\u672f\u7ec4\u5f20\u6770\u7f16\u8bd1\uff0c \u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/u><\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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