{"id":213812,"date":"2020-11-30T12:00:00","date_gmt":"2020-11-30T04:00:00","guid":{"rendered":"\/\/m.iemloyee.com\/?p=213812"},"modified":"2020-11-30T10:30:03","modified_gmt":"2020-11-30T02:30:03","slug":"%ef%bc%88%e5%9b%bd%e5%a4%96%e7%a8%bf%e4%bb%b6%ef%bc%89%e5%89%91%e6%a1%a5%e5%a4%a7%e5%ad%a6-j-am-chem-soc-%ef%bc%9a%e6%97%a0%e7%a0%b4%e5%9d%8f%e5%bc%8f%e5%8e%9f%e4%bd%8dnmr%e7%a0%94%e7%a9%b6li","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=213812","title":{"rendered":"\u5251\u6865\u5927\u5b66 J. Am. Chem. Soc.\uff1a\u65e0\u7834\u574f\u5f0f\u539f\u4f4dNMR\u7814\u7a76Li\u91d1\u5c5e\u5168\u7535\u6c60\u4e2d\u201c\u6b7bLi\u201d\u5f62\u6210\u548cLi\u8150\u8680"},"content":{"rendered":"
\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n \u9502\uff08Li\uff09\u91d1\u5c5e\u5177\u6709\u7406\u8bba\u6bd4\u5bb9\u91cf\u6700\u9ad8\uff083860 mAh\/g\uff09\u548c\u8d1f\u7535\u4f4d\u8f83\u4f4e\u7684\u4f18\u70b9\uff0c\u88ab\u8ba4\u4e3a\u662f\u4e0b\u4e00\u4ee3\u7535\u6c60\u7684\u8d1f\u6781\u6750\u6599\u3002\u9502\u91d1\u5c5e\u7535\u6c60\uff08LMBs\uff09\u7684\u5faa\u73af\u9700\u8981\u5728\u5145\/\u653e\u7535\u8fc7\u7a0b\u4e2d\u6c89\u79ef\/\u6eb6\u89e3Li\u91d1\u5c5e\uff0c\u800c\u51fa\u73b0\u7684Li\u679d\u6676\u751f\u957f\u3001\u4f4e\u5bb9\u91cf\u4fdd\u7559\u7387\u548c\u77ed\u5faa\u73af\u5bff\u547d\u963b\u788d\u4e86\u5176\u5546\u4e1a\u5316\u3002\u7136\u800c\uff0c\u5728\u5546\u4e1a\u5316\u7535\u6c60\u4e2d\u9650\u5236\u8fc7\u91cf\u7684Li\uff0c\u4fbf\u4e8e\u5229\u7528Li\u91d1\u5c5e\u8d1f\u6781\u7684\u9ad8\u6bd4\u5bb9\u91cf\u3002\u56e0\u6b64\uff0c\u5b9e\u9645LMBs\u4e2d\u9650\u5236Li\u7684\u6570\u91cf\uff0c\u6216\u8005\u4f7f\u7528Li\u91d1\u5c5e\u8d1f\u6781\u66ff\u6362\u4e3a\u88f8\u94dc\u96c6\u6d41\u4f53\u3002\u7531\u4e8e\u56fa\u4f53\u7535\u89e3\u8d28\u754c\u9762\u76f8\uff08SEI\uff09\u7684\u5f62\u6210\u548c\u7535\u9540\u8fc7\u7a0b\u4e2d\u5f62\u6210\u201c\u6b7bLi\u201d\uff0c\u4e24\u8005\u90fd\u5b58\u5728\u5bb9\u91cf\u8870\u51cf\u5feb\u901f\u7684\u95ee\u9898\u3002\u5229\u7528\u626b\u63cf\u7535\u955c\uff08SEM\uff09\u548c\u539f\u4f4d\u5149\u5b66\u663e\u5fae\u955c\u53ef\u4ee5\u89c2\u5bdf\u201c\u6b7bLi\u201d\u3002\u4e5f\u6709\u5229\u7528\u539f\u4f4d\u6838\u78c1\u5171\u632f\uff08NMR\uff09\u5bf9\u94dc\u4e0aLi\u91d1\u5c5e\u7684\u6c89\u79ef\u8fdb\u884c\u4e86\u7814\u7a76\uff0c\u5e76\u5b9a\u91cf\u5206\u6790\u4e86Cu-Li\u7535\u6c60\u4e2d\u5f62\u6210\u7684\u201c\u6b7bLi\u201d\uff0c\u4f46\u9700\u8981\u62c6\u5378Li\u7535\u6c60\u3002\u6b64\u5916\uff0c\u5728\u65e0\u8d1f\u6781\u7535\u6c60\u4e2d\uff0cLi\u6c89\u79ef\u7269\u548cCu\u91d1\u5c5e\u4e0e\u7535\u89e3\u8d28\u548c\u7535\u89e3\u8d28\u7d27\u5bc6\u63a5\u89e6\uff0c\u53ef\u80fd\u9020\u6210\u539f\u7535\u6c60\u77ed\u8def\u3002\u540c\u65f6\uff0cLi\u91d1\u5c5e\u5728Cu\u4e0a\u7684\u6c89\u79ef\u7c7b\u4f3c\u4e8e\u5728\u8868\u9762\u5f62\u6210\u727a\u7272\u6d82\u5c42\uff0c\u5176\u4e2dLi\u91d1\u5c5e\u8d77\u5230\u6291\u5236Cu\u8150\u8680\u7684\u4f5c\u7528\uff0c\u4f46\u662f\u53ef\u80fd\u5bfc\u81f4Li\u7684\u8150\u8680\u901f\u7387\u63d0\u9ad8\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u82f1\u56fd\u5251\u6865\u5927\u5b66Clare P. Grey\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u539f\u4f4dNMR\u8ba1\u91cf\u6280\u672f\uff0c\u4ee5\u7814\u7a76\u201c\u65e0\u8d1f\u6781\u201d\u7684Li\u91d1\u5c5e\u7535\u6c60\uff0c\u5176\u4e2d\u5c06Li\u76f4\u63a5\u4eceLiFePO4<\/sub>\u6b63\u6781\u7535\u9540\u5230\u88f8\u94dc\u96c6\u6d41\u4f53\u4e0a\u3002\u5229\u7528\u8be5\u65b9\u6cd5\u53ef\u4ee5\u8ffd\u8e2aLi\u91d1\u5c5e\u5168\u7535\u6c60\u4e2dLi\u7684\u6c89\u79ef\u548c\u6eb6\u89e3\u8fc7\u7a0b\u4e2d\u201c\u65e0\u6d3b\u6027\u6216\u6b7bLi\u201d\u7684\u5f62\u6210\uff1a\u201c\u6b7bLi\u201d\u548cSEI\u7684\u5f62\u6210\u53ef\u901a\u8fc7NMR\u8fdb\u884c\u5b9a\u91cf\uff0c\u5e76\u5728\u78b3\u9178\u76d0\u548c\u919a-\u7535\u89e3\u8d28\u4e2d\u6bd4\u8f83\u5b83\u4eec\u7684\u76f8\u5bf9\u5f62\u6210\u901f\u7387\u3002\u5f53\u5229\u7528FEC\u4f5c\u4e3a\u6dfb\u52a0\u5242\u65f6\uff0c\u51e0\u4e4e\u6ca1\u6709\u201c\u6b7bLi\u201d\u3002\u5229\u7528\u987a\u78c1\u6027Li\u91d1\u5c5e\u5f15\u8d77\u7684\u4f53\u78c1\u5316\u7387\u6548\u5e94\u6765\u533a\u5206Li\u6c89\u79ef\u7269\u7684\u4e0d\u540c\u8868\u9762\u8986\u76d6\u7387\u3002\u5728\u7535\u6c60\u4e0d\u5de5\u4f5c\u65f6\u76d1\u6d4bLi\u91d1\u5c5e\u7684\u91cf\uff0c\u5373\u4f7f\u4e0d\u4f7f\u7528\u7535\u6c60\uff08\u6ca1\u6709\u7535\u6d41\u6d41\u8fc7\uff09\uff0c\u6240\u6709\u7535\u89e3\u8d28\u4e2d\u90fd\u89c2\u5bdf\u5230Li\u91d1\u5c5e\u7684\u6eb6\u89e3\uff08\u8150\u8680\uff09\uff0c\u8868\u660eLi\u7684\u6eb6\u89e3\u4ecd\u7136\u5b58\u5728Li\u91d1\u5c5e\u7535\u6c60\u4e2d\u3002\u5176\u4e2d\uff0c\u9ad8\u8150\u8680\u901f\u7387\u662f\u7531\u4e8e\u5728Li\u91d1\u5c5e\u548c\u94dc\u4e0a\u5747\u4f1a\u5f62\u6210SEI\uff08Cu+<\/sup>\u548cCu2+<\/sup>\u8fd8\u539f\uff09\u3002\u603b\u4e4b\uff0c\u8be5\u5de5\u4f5c\u8868\u660e\u805a\u5408\u7269\u6d82\u5c42\u548cCu\u8868\u9762\u5316\u5b66\u6027\u8d28\u7684\u6539\u53d8\u5747\u6709\u52a9\u4e8e\u7a33\u5b9aLi\u91d1\u5c5e\u8868\u9762\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cNoninvasive In Situ NMR Study of \u201cDead Lithium\u201d Formation and Lithium Corrosion in Full-Cell Lithium Metal Batteries\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520a J. 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Soc.<\/strong>\u4e0a\u3002 \u56fe\u4e00\u30017<\/sup>Li\u539f\u4f4dNMR\u6280\u672f\u793a\u610f\u56fe\uff0c\u7814\u7a76\u6b7bLi\u7684\u5f62\u6210\u548c7<\/sup>Li NMR\u5149\u8c31<\/strong> \uff08b\uff09\u7ed9\u7535\u6c60\u5145\u7535\u5bfc\u81f4Li\u6c89\u79ef\uff0c\u5982Li\u91d1\u5c5e\u533a\u57df\u76847<\/sup>Li NMR\u5149\u8c31\uff1b<\/p>\n \uff08c\uff09\u653e\u7535\u7ed3\u675f\u65f6\uff0c\u4ecd\u53ef\u89c2\u5bdf\u5230Li\u91d1\u5c5e\u4fe1\u53f7\uff1b<\/p>\n \uff08d\uff09Cu-LFP\u7535\u6c60\u7684\u8fdb\u4e00\u6b65\u5faa\u73af\u5bfc\u81f4\u4e0b\u4e00\u4e2a\u5faa\u73af\u4e2d\u6b7bLi\u7684\u79ef\u7d2f\uff0c\u5728\u6bcf\u4e2a\u5faa\u73af\u4e2d\u5265\u79bb\u7ed3\u675f\u65f6\uff0cLi\u91d1\u5c5e\u4fe1\u53f7\u7684\u5f3a\u5ea6\u589e\u52a0\u3002<\/p>\n \u56fe\u4e8c\u3001\u6bcf\u4e2a\u7535\u9540\u6b65\u9aa4\u4e2d\uff0c\u4ee50.5 mA\/cm2<\/sup>\u7535\u6d41\u5bc6\u5ea6\u548c1 mAh\/cm2<\/sup>\u5bb9\u91cf\u5728LP30\u7535\u89e3\u8d28\u4e2d\u5faa\u73af\u7684Cu-LFP\u7535\u6c60\u7684\u539f\u4f4d7<\/sup>Li NMR\u6d4b\u91cf<\/strong><\/p>\n \uff08b-c\uff09\u7b2c\u4e00\u6b21\u5145\u7535\u4e2d\u9540\u5c42\u7ed3\u675f\u65f6\uff0cLi\u91d1\u5c5e\u5cf0\u7684\u76f8\u5e94\u79ef\u5206\u5f3a\u5ea6\u7684\u5f52\u4e00\u5316\u5f3a\u5ea6\uff0c\u4ee5\u53ca\u6052\u7535\u6d41\u5faa\u73af\u7684\u7535\u538b\u66f2\u7ebf\u3002<\/p>\n \u56fe\u4e09\u3001\u7535\u89e3\u8d28\u5bf9Li\u91d1\u5c5e\u5faa\u73af\u7684\u5f71\u54cd<\/strong> \uff08b\uff09\u6eb6\u89e3\u7ed3\u675f\u65f6\uff0c\u5f52\u4e00\u5316LiNMR<\/sub>\u5f3a\u5ea6\u7684\u5e73\u5747\u503c\uff1b<\/p>\n \uff08c\uff09\u5728\u4e09\u79cd\u7535\u89e3\u6db2\uff08LP30\u3001LP30+FEC\u548cDOL\/DME\uff09\u4e2d\uff0c\u4ee5\u7535\u5316\u5b66\u65b9\u5f0f\u83b7\u5f97\u7684\u524d\u4e94\u6b21\u5faa\u73af\u7684CE\uff1b<\/p>\n \uff08d\uff09\u7b2c\u4e00\u6b21\u5faa\u73af\u4e2d\uff0c\u6d4b\u5f97\u7684\u6b7bLiNMR<\/sub>\u76f8\u5bf9\u4e8eCE\u7684\u66f2\u7ebf\u56fe\uff1b<\/p>\n \uff08e\uff09\u6839\u636eCE\u8ba1\u7b97\u7684\u76f8\u5bf9\u4e8e\u5bb9\u91cf\u635f\u5931\uff08mAh\/cm2<\/sup>\uff09\u7684\u540e\u7eed\u5faa\u73af\u4e4b\u95f4\u7684\u6b7bLiNMR<\/sub>\u5dee\u5f02\uff1b<\/p>\n \uff08f\uff09\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0c\u76f8\u5bf9\u4e8e\u76f8\u5e94\u7684\u5bb9\u91cf\u635f\u5931\uff08mAh\/cm2<\/sup>\uff09\u8ba1\u7b97\u51fa\u7684SEI\u5bb9\u91cf\uff08mAh\/cm2<\/sup>\uff09\u3002<\/p>\n \u56fe\u56db\u3001BMS\u5bf9LP30\u7535\u89e3\u8d28\u4e2d\u7684Li\u91d1\u5c5e\u5cf0\u7684\u5f71\u54cd<\/strong> \uff08b\uff09\u5728\u7b2c\u56db\u6b21\u5faa\u73af\u7684\u6c89\u79ef\u8fc7\u7a0b\u4e2d\u7684Li\u91d1\u5c5e\u5149\u8c31\uff1b<\/p>\n \uff08c\uff09\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\uff0c\u4ee5Li\u91d1\u5c5e\u5171\u632f\u7684\u6700\u5927\u5f3a\u5ea6\u6d4b\u5f97\u76847<\/sup>Li\u91d1\u5c5e\u4f4d\u79fb\u7684\u9891\u7387\uff1b<\/p>\n \uff08d\uff09\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\uff0cLi\u91d1\u5c5e\u5149\u8c31\u7684\u53bb\u5377\u79ef\u5f3a\u5ea6\uff1b<\/p>\n \uff08e\uff09\u5728\u7b2c\u4e00\u6b21\u548c\u7b2c\u56db\u6b21\u5faa\u73af\u5145\u7535\u7ed3\u675f\u65f6\u62df\u5408\u5149\u8c31\u7684\u793a\u4f8b\u3002<\/p>\n \u56fe\u4e94\u3001\u5229\u7528\u805a\u5408\u7269\u6d82\u5c42\u7684Cu\u5728LP30\u4e2d\u5faa\u73afCu-LFP\u7535\u6c60\u65f6\uff0c7<\/sup>Li\u539f\u4f4dNMR\u6d4b\u91cfLi\u91d1\u5c5e\u5f3a\u5ea6<\/strong> \uff08b\uff09\u6eb6\u89e3\u7ed3\u675f\u65f6\uff0c\u5f52\u4e00\u5316\u6b7bLiNMR<\/sub>\u7684\u5f3a\u5ea6\uff1b<\/p>\n \uff08c\uff09PEO-\u3001PMMA-\u548cPVDF\u6d82\u5c42-Cu\u7535\u6781\u7684CE\u3002<\/p>\n \u56fe\u516d\u3001OCV\u671f\u95f4\uff0cLi\u91d1\u5c5e\u6eb6\u89e3\u7684\u539f\u4f4dNMR\u5b9e\u9a8c<\/strong> \uff08b\uff09\u5728NMR\u5b9e\u9a8c\u8fc7\u7a0b\u4e2d\uff0cLi\u91d1\u5c5e\u4fe1\u53f7\u7684\u7efc\u5408\u5f3a\u5ea6\uff1b<\/p>\n \uff08c\uff09\u4e0d\u540c\u805a\u5408\u7269\u6d82\u5c42\uff1aPEO-\u3001PMMA-\u548cPVDF\u6d82\u5c42\u7684Cu\u96c6\u6d41\u4f53\u7684\u6c89\u79ef\u548c\u9759\u7f6e\u5b9e\u9a8c\uff1b<\/p>\n \uff08d\uff09\u5728LP30\u7535\u89e3\u6db2\u4e2d\uff0c\u4f7f\u7528\u4e0d\u540c\u7684Cu\u5904\u7406\u65b9\u6cd5\u540eLi\u91d1\u5c5e\u4fe1\u53f7\u7684\u5f3a\u5ea6\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u5c55\u793a\u4e86\u539f\u4f4d7<\/sup>Li NMR\u5728\u7814\u7a76Cu\u96c6\u6d41\u4f53\u4e0a\u7684\u6c89\u79ef\u548c\u6eb6\u89e3\u4ee5\u53caLi\u91d1\u5c5e\u8150\u8680\u65b9\u9762\u7684\u5e94\u7528\u3002\u539f\u4f4dNMR\u65b9\u6cd5\u662f\u4e00\u79cd\u6d88\u9664\u5377\u79ef\u5728Li\u91d1\u5c5e\u7535\u6c60\u4e2d\u53d1\u751f\u7684\u591a\u91cd\u5bb9\u91cf\u635f\u5931\u7684\u6709\u4ef7\u503c\u7684\u6280\u672f\uff0c\u6709\u52a9\u4e8e\u8fdb\u4e00\u6b65\u7814\u7a76\u4e0d\u540c\u7684\u7535\u89e3\u8d28\u4ee5\u53ca\u7528\u4e8eLi\u6c89\u79ef\u7684\u4fdd\u62a4\u6027\u6d82\u5c42\u548c\u4eba\u9020SEI\u7684\u76f8\u5bb9\u6027\u3002\u867d\u7136CE\u5c0f\u4e8e100\uff05\uff0892\uff05\uff09\uff0c\u4f46\u662f\u5728LP30+FEC\u4e2d\u51e0\u4e4e\u6ca1\u6709\u89c2\u5bdf\u5230\u6b7bLi\uff0c\u8868\u660e\u5bb9\u91cf\u635f\u5931\u4e3b\u8981\u662f\u7531\u4e8eSEI\u7684\u5f62\u6210\u3002\u7531Li\u91d1\u5c5e\u5f15\u8d77\u7684\u6574\u4f53\u78c1\u5316\u7387\u504f\u79fb\u4f1a\u5bfc\u81f4DOL\/DME\u548cLP30+FEC\u4e2d\u5f62\u6210\u6c89\u79ef\u7269\u76847<\/sup>Li\u504f\u79fb\u964d\u4f4e\uff0c\u6545\u78c1\u5316\u7387\u8ba1\u7b97\u8868\u660e\uff0cLi\u7684\u8868\u9762\u8986\u76d6\u7387\u8f83\u9ad8\u3002\u5728LP30\u4e2d\uff0c\u88f8\u9732Cu\u548c\u6d82\u8986\u6709\u805a\u5408\u7269\u7684Cu\u4e0a\u76847<\/sup>Li\u91d1\u5c5e\u4f4d\u79fb\u90fd\u5177\u6709\u8f83\u9ad8\u7684\u91d1\u5c5e\u4f4d\u79fb\uff0c\u8868\u660e\u6c89\u79ef\u7269\u7684\u81f4\u5bc6\u8986\u76d6\u7387\u8f83\u4f4e\u3002\u9700\u6ce8\u610f\uff0c\u6b7bLi\u6c89\u79ef\u7269\u7531\u4e8eLi\u91d1\u5c5e\u800c\u57fa\u672c\u4e0a\u6ca1\u6709BMS\u6548\u5e94\u3002\u6b64\u5916\uff0c\u539f\u4f4dNMR\u6280\u672f\u53ef\u7528\u4e8e\u7814\u7a76Li-S\u7535\u6c60\u4e2d\u7684\u8150\u8680\uff0c\u540c\u65f6\u4e5f\u53ef\u4f7f\u752823<\/sup>Na\u539f\u4f4dNMR\u5149\u8c31\u7814\u7a76Na\u91d1\u5c5e\u7535\u6c60\u4e2d\u7684\u8150\u8680\u3002\u603b\u4e4b\uff0c\u539f\u4f4dNMR\u6280\u672f\u5c06\u5728\u91d1\u5c5e\u7535\u6c60\u7814\u7a76\u9886\u57df\u5927\u653e\u5149\u5f69\uff01<\/p>\n
\n 
\n \u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n
\n
\uff08a\uff09\u5faa\u73af\u524d\u7684CuLiFePO4<\/sub>\uff08LFP\uff09\u7535\u6c60\u548c\u76f8\u5e94\u76847<\/sup>Li NMR\u5149\u8c31\uff1b<\/p>\n
\uff08a\uff09\u5728\u91d1\u5c5e\u9502\u7684\u6c89\u79ef\u548c\u6eb6\u89e3\u8fc7\u7a0b\u4e2d\uff0c\u83b7\u5f97\u76847<\/sup>Li NMR\u5149\u8c31\uff1b<\/p>\n
\n
\uff08a\uff09\u6c89\u79ef\u7ed3\u675f\u65f6\uff0c\u5f52\u4e00\u5316\u603bLiNMR<\/sub>\u5f3a\u5ea6\u7684\u5e73\u5747\u503c\uff1b<\/p>\n
\n
\uff08a\uff09\u5728\u7b2c\u4e00\u6b21\u5faa\u73af\u7684\u5145\u7535\uff08\u6c89\u79ef\uff09\u8fc7\u7a0b\u4e2d\uff0cLi\u91d1\u5c5e\u5149\u8c31\u7684\u53e0\u52a0\u56fe\uff1b<\/p>\n
\n
\uff08a\uff09\u6c89\u79ef\u7ed3\u675f\u65f6\uff0c\u5f52\u4e00\u5316\u603bLiNMR<\/sub>\u7684\u5f3a\u5ea6\uff1b<\/p>\n
\n
\uff08a\uff09\u5bfc\u81f4Li\u91d1\u5c5e\u8150\u8680\u7684\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\uff1b<\/p>\n