{"id":252533,"date":"2023-07-03T06:29:40","date_gmt":"2023-07-02T22:29:40","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=252533"},"modified":"2023-07-02T21:30:13","modified_gmt":"2023-07-02T13:30:13","slug":"%e9%87%91%e5%b1%9e%e9%92%a0%e7%94%b5%e6%b1%a0%e5%9b%ba%e4%bd%93%e7%94%b5%e8%a7%a3%e8%b4%a8%e7%95%8c%e9%9d%a2%e7%9a%84%e5%8c%96%e5%ad%a6%e6%bc%94%e5%8c%96","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=252533","title":{"rendered":"\u91d1\u5c5e\u94a0\u7535\u6c60\u56fa\u4f53\u7535\u89e3\u8d28\u754c\u9762\u7684\u5316\u5b66\u6f14\u5316"},"content":{"rendered":"

\u91d1\u5c5e\u94a0\u7535\u6c60\u56fa\u4f53\u7535\u89e3\u8d28\u754c\u9762\u7684\u5316\u5b66\u6f14\u5316<\/strong><\/p>\n

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\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong>\u00a0 <\/strong><\/p>\n

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\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u8d1f\u6781\u8868\u9762\u5f62\u6210\u7684\u56fa\u4f53\u7535\u89e3\u8d28\u754c\u9762(SEI)\u662f\u51b3\u5b9a\u94a0\u91d1\u5c5e\u7535\u6c60(SMBs)\u5bff\u547d\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002\u7136\u800c\uff0cSEI\u6210\u5206\u590d\u6742\uff0c\u4e14\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u4f1a\u4e0d\u65ad\u53d1\u751f\u52a8\u6001\u6f14\u53d8\uff0c\u4eba\u4eec\u5bf9\u5176\u5316\u5b66\u548c\u5fae\u89c2\u7ed3\u6784\u7684\u7406\u89e3\u8fd8\u4e0d\u591f\u6df1\u5165\u3002\u6765\u81ea\u6d59\u6c5f\u5927\u5b66\u7684\u5b54\u5b66\u8c26\u56e2\u961f\u7814\u7a76\u4e86\u4e8c\u6c1f\u8349\u9178\u787c\u9178\u94a0\uff08NaDFOB\uff09\u7535\u89e3\u6db2\u5728\u91d1\u5c5e\u8d1f\u6781\u8868\u9762\u5f62\u6210\u7684SEI\u7684\u7ed3\u6784\u548c\u5176\u968f\u5faa\u73af\u7684\u52a8\u6001\u6f14\u53d8\u3002\u539f\u4f4d\u6838\u78c1\u5171\u632f(NMR)\u8868\u660e\uff0cDFOB\u9634\u79bb\u5b50\u7684\u4f18\u5148\u8fd8\u539f\u6709\u52a9\u4e8eSEI\u7684\u5f62\u6210\uff0c\u5e76\u6291\u5236\u4e86\u78b3\u9178\u76d0\u6eb6\u5242\u7684\u5206\u89e3\u3002\u6df1\u5ea6\u5256\u6790X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\u548c\u9ad8\u5206\u8fa8\u56fa\u4f53\u6838\u78c1\u5171\u632f\u8868\u660e\uff0c\u968f\u7740\u7535\u5316\u5b66\u5faa\u73af\u7684\u8fdb\u884c\uff0cDFOB\u9634\u79bb\u5b50\u88ab\u8fd8\u539f\uff0c\u5728\u8d1f\u6781\u8868\u9762\u5f62\u6210\u5bcc\u542b\u787c\u9178\u76d0\u548c\u542b\u6c1f\u7684SEI\u5c42\uff0c\u53ef\u4ee5\u6709\u6548\u4fdd\u62a4\u91d1\u5c5e\u8d1f\u6781\uff0c\u8be5SEI\u7684\u4fdd\u62a4\u6548\u679c\u572850\u4e2a\u5faa\u73af\u65f6\u8fbe\u5230\u6700\u4f73\uff0c\u4f7fSMBs\u7684\u5faa\u73af\u5bff\u547d\u5ef6\u957f\u4e863\u500d\u3002\u8be5\u7814\u7a76\u5185\u5bb9\u4e3aSEI\u7684\u5de5\u7a0b\u5316\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u91cd\u8981\u6307\u5bfc\u3002<\/p>\n

\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cThe chemical evolution of solid electrolyte interface in sodium metal batteries<\/em><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u77e5\u540d\u671f\u520aScience Advances<\/em><\/strong>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n

1.\u672c\u6587\u7814\u7a76\u4e86\u7531\u4e8c\u6c1f\u8349\u9178\u787c\u9178\u94a0(NaDFOB)\u548c\u78b3\u9178\u916f\u6eb6\u5242\u7ec4\u6210\u7684\u7535\u89e3\u6db2\u5bf9\u91d1\u5c5e\u8d1f\u6781\u7684\u4fdd\u62a4\u4f5c\u7528\uff0c\u8be5\u7535\u89e3\u6db2\u5728\u94a0\u91d1\u5c5e\u7535\u6c60\uff08SMBs\uff09\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u7535\u5316\u5b66\u6027\u80fd\uff0c\u5e76\u5728\u94a0\u8d1f\u6781\u8868\u9762\u5f62\u6210\u7a33\u5b9a\u7684SEI\u3002\u7ed3\u679c\u8868\u660e\uff0cDFOB\u9634\u79bb\u5b50\u5177\u6709\u8f83\u4f4e\u7684\u6700\u4f4e\u672a\u5360\u636e\u5206\u5b50\u8f68\u9053\uff0c\u53ef\u4f18\u5148\u6709\u673a\u6eb6\u5242\u53d1\u751f\u8fd8\u539f\u3002NaDFOB\u7535\u89e3\u6db2\u7684SEI\u5f62\u6210\u673a\u7406\u4e0d\u540c\u4e8e\u5e38\u89c4\u7535\u89e3\u6db2\u3002<\/p>\n

2.\u7814\u7a76\u4e86\u7535\u6781\u8868\u9762\u4f18\u5f02\u7684SEI\u4fdd\u62a4\u5c42\u5982\u4f55\u5ef6\u957f\u7535\u6c60\u5bff\u547d\uff0cSEI\u7684\u5316\u5b66\u7ed3\u6784\u5982\u4f55\u968f\u5faa\u73af\u7684\u8fdb\u884c\u53d1\u751f\u6f14\u53d8\uff0c\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u7279\u5b9a\u7684SEI\u7ec4\u6210\u5bf9\u7535\u6c60\u6027\u80fd\u66f4\u6709\u5229\u3002\u5e94\u7528\u539f\u4f4d1<\/sup>H\uff0c19<\/sup>F\u548c11<\/sup>B\u6838\u78c1\u5171\u632f\u8c31\u91cf\u5316\u4e86\u7535\u6c60\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7535\u89e3\u6db2\u5404\u7ec4\u5206\u7684\u6d88\u8017\u3002<\/p>\n

3.\u7528\u56fa\u4f53\u6838\u78c1\u5171\u632f\u548cXPS\u6df1\u5ea6\u5256\u6790\u63ed\u793a\u4e86\u4e0d\u540c\u5faa\u73af\u9636\u6bb5SEI\u7ec4\u6210\u7684\u5316\u5b66\u53d8\u5316\u3002\u7814\u7a76\u8868\u660e\uff0cSEI\u5c42\u4e3a\u7531\u65e0\u673a\u5185\u5c42\u548c\u5c11\u91cf\u6709\u673a\u5916\u5c42\u6784\u6210\u7684\u53cc\u5c42\u7ed3\u6784\uff0c\u5bcc\u542bB\u548cF\u7684\u65e0\u673a\u5c42\u53ef\u4ee5\u63d0\u4f9b\u4f18\u5f02\u7684\u673a\u68b0\u5f3a\u5ea6\u6291\u5236\u679d\u6676\u751f\u957f\u548c\u94a0\u91d1\u5c5e\u7684\u4f53\u79ef\u81a8\u80c0\uff0c\u787c\u9178\u94a0\u542b\u91cf\u7684\u589e\u52a0\u5bf9SEI\u8d28\u91cf\u7684\u63d0\u5347\u8d77\u79ef\u6781\u4f5c\u7528\u3002<\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe1\u00a0 SEI\u7684\u4fdd\u62a4\u6548\u679c\u793a\u610f\u56fe \u00a9 2022 AAAS<\/p>\n

(a) \u7535\u6c60\u5148\u62c6\u540e\u88c5\u7684\u7814\u7a76\u65b9\u6cd5\u793a\u610f\u56fe<\/p>\n

(b) \u4e0d\u540c\u8d1f\u6781\u7247\u7ec4\u88c5\u7684Na\/Na\u5bf9\u79f0\u7535\u6c60\u7684\u5faa\u73af\u5bff\u547d\u5bf9\u6bd4<\/p>\n

(c) \u4e0d\u540c\u8d1f\u6781\u7247\u7ec4\u88c5\u7684NVOPF\/Na\u7535\u6c60\u7684\u957f\u5468\u671f\u5faa\u73af\u6027\u80fd\u5bf9\u6bd4<\/p>\n

\"\"<\/p>\n

\u56fe2\u00a0 \u539f\u4f4d\u6838\u78c1\u5171\u632f \u00a92022 AAAS<\/p>\n

(a) \u539f\u4f4d\u6838\u78c1\u5171\u632f\u88c5\u7f6e\u793a\u610f\u56fe<\/p>\n

(b) 1.0 M NaDFOB\/EC:DMC\u7535\u89e3\u6db2\u7ec4\u88c5\u7684\u5bf9\u79f0\u7535\u6c60\u4e2d\uff0c\u7535\u89e3\u8d28\u76d0\u548c\u6eb6\u5242\u968f\u5faa\u73af\u7684\u6d88\u8017<\/p>\n

(c) 1.0 M NaPF6<\/sub>\/EC:DMC\u7535\u89e3\u6db2\u7ec4\u88c5\u7684\u5bf9\u79f0\u7535\u6c60\u4e2d\uff0c\u7535\u89e3\u8d28\u76d0\u548c\u6eb6\u5242\u968f\u5faa\u73af\u7684\u6d88\u8017<\/p>\n

 <\/p>\n

\"\"<\/p>\n

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(a)-(d) Na\u7535\u6781\u5728NaDFOB\/EC:DMC\u7535\u89e3\u6db2\u4e2d\u5faa\u73af50\u5468\u540e\u7684C1s\u3001O1s\u3001B1s\u548cF1s\u8868\u9762XPS\u8c31<\/p>\n

(e) \u4e0d\u540c\u5faa\u73af\u9636\u6bb5\u7684Na\u7535\u6781 (5th<\/sup>, 50th<\/sup>, 200th<\/sup>) \u8868\u9762\u78b3\u3001\u787c\u3001\u6c1f\u548c\u94a0\u539f\u5b50\u542b\u91cf\u968fAr\u79bb\u5b50\u523b\u8680\u65f6\u95f4\u7684\u53d8\u5316<\/p>\n

\"\"<\/p>\n

\u56fe4\u00a0 SEI\u7684\u56fa\u6001\u6838\u78c1\u5171\u632f\u5206\u6790 \u00a0\u00a9<\/strong> 2022 AAAS<\/p>\n

(a) \u5206\u522b\u7ecf\u8fc715\uff0c50\uff0c100\u548c200\u4e2a\u5faa\u73af\u540e\u7684Na\u7535\u6781\u768423<\/sup>Na\u4e00\u7ef4\u56fa\u4f53NMR\u5b9e\u9a8c\u548c\u62df\u5408\u8c31<\/p>\n

(b) \u5206\u522b\u7ecf\u8fc715\uff0c50\uff0c100\u548c200\u4e2a\u5faa\u73af\u540e\u7684Na\u7535\u6781\u768411<\/sup>B\u4e00\u7ef4\u56fa\u4f53NMR\u5b9e\u9a8c\u548c\u62df\u5408\u8c31<\/p>\n

\"\"<\/p>\n

\u56fe5 \u91d1\u5c5e\u94a0\u7535\u6781\u5728NaDFOB-EC:DMC\u7535\u89e3\u6db2\u4e2d\u5f62\u6210\u7684SEI\u7ec4\u6210\u793a\u610f\u56fe \u00a9<\/strong>2022 AAAS<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u672c\u6587\u7814\u7a76\u4e86NaDFOB\u57fa\u7535\u89e3\u6db2\u884d\u751f\u7684SEI\u5728\u7535\u6c60\u4e0d\u540c\u5faa\u73af\u9636\u6bb5\u5bf9\u91d1\u5c5e\u8d1f\u6781\u7684\u4fdd\u62a4\u4f5c\u7528\u53ca\u5176\u6210\u5206\u6f14\u53d8\u3002\u539f\u4f4d\u5b9a\u91cfNMR\u7ed3\u679c\u8868\u660e\uff0cNaDFOB\u76d0\u7684\u4f18\u5148\u8fd8\u539f\u6709\u52a9\u4e8eSEI\u7684\u5f62\u6210\uff0c\u4ece\u800c\u6709\u6548\u6291\u5236\u4e86\u6709\u673a\u6eb6\u5242\u7684\u5206\u89e3\u3002XPS\u548c\u9ad8\u5206\u8fa8\u7387MAS NMR\u8868\u5f81\u8bc1\u5b9e\uff0cSEI\u7531\u5bcc\u542b\u787c\u9178\u76d0\u548c\u78b3\u9178\u94a0\u7684\u65e0\u673a\u5185\u5c42\u548c\u5c11\u91cf\u6709\u673a\u5916\u5c42\u7ec4\u6210\u3002\u7ed3\u5408\u7535\u5316\u5b66\u6d4b\u8bd5\u7ed3\u679c\uff0c\u6211\u4eec\u63a8\u6d4bSEI\u4e2d\u787c\u9178\u94a0\u542b\u91cf\u7684\u589e\u52a0\u5bf9\u7a33\u5b9a\u94a0\u91d1\u5c5e\u8d1f\u6781\u8d77\u5230\u4e86\u79ef\u6781\u4f5c\u7528\u3002\u6211\u4eec\u7684\u5de5\u4f5c\u52a0\u6df1\u4e86\u5bf9SEI\u5f62\u6210\u8fc7\u7a0b\u7684\u7406\u89e3\uff0c\u5efa\u7acb\u4e86SEI\u6027\u8d28\u4e0e\u6027\u80fd\u4e4b\u95f4\u7684\u76f4\u63a5\u5173\u8054\uff0c\u4e3a\u5176\u5b83\u4f53\u7cfb\u4e2dSEI\u7684\u7814\u7a76\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\uff0c\u4e5f\u4e3aSEI\u7684\u8bbe\u8ba1\u548c\u4f18\u5316\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5<\/strong>\uff1a<\/p>\n

The chemical evolution of solid electrolyte interface in sodium metal batteries (Science Advances , DOI: 10.1126\/sciadv.abm4606)<\/em><\/p>\n

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