{"id":190846,"date":"2019-11-30T06:40:38","date_gmt":"2019-11-29T22:40:38","guid":{"rendered":"\/\/m.iemloyee.com\/?p=190846"},"modified":"2019-11-29T19:40:50","modified_gmt":"2019-11-29T11:40:50","slug":"%e5%86%b7%e5%86%bb%e7%94%b5%e9%95%9c%e5%9c%a8%e6%9d%90%e6%96%99%e9%a2%86%e5%9f%9f%e8%83%bd%e5%81%9a%e4%ba%9b%e4%bb%80%e4%b9%88%ef%bc%9f%e4%b8%8d%e5%a6%a8%e4%b8%80%e8%b5%b7%e7%9c%8b%e7%9c%8b%e5%b4%94","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=190846","title":{"rendered":"\u51b7\u51bb\u7535\u955c\u5728\u6750\u6599\u9886\u57df\u80fd\u505a\u4e9b\u4ec0\u4e48\uff1f\u4e0d\u59a8\u4e00\u8d77\u770b\u770b\u5d14\u5c79\u56e2\u961f\u8fd1\u671f\u7684\u5de5\u4f5c\u5427"},"content":{"rendered":"

1\u3001\u51b7\u51bb\u7535\u955c\u6280\u672f\u7b80\u4ecb<\/b><\/strong><\/h3>\n

\u51b7\u51bb\u7535\u955c\u6280\u672f\uff0c\u662f\u5728\u4f4e\u6e29\u4e0b\u4f7f\u7528\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u89c2\u5bdf\u6837\u54c1\u7684\u663e\u5fae\u6280\u672f\uff0c\u5373\u628a\u6837\u54c1\u51bb\u8d77\u6765\u5e76\u4fdd\u6301\u4f4e\u6e29\u653e\u8fdb\u663e\u5fae\u955c\u91cc\u9762\uff0c\u7528\u9ad8\u5ea6\u76f8\u5e72\u7684\u7535\u5b50\u4f5c\u4e3a\u5149\u6e90\u4ece\u4e0a\u9762\u7167\u4e0b\u6765\uff0c\u900f\u8fc7\u6837\u54c1\u548c\u9644\u8fd1\u7684\u51b0\u5c42\uff0c\u53d7\u5230\u6563\u5c04\u3002\u6211\u4eec\u518d\u5229\u7528\u63a2\u6d4b\u5668\u548c\u900f\u955c\u7cfb\u7edf\u628a\u6563\u5c04\u4fe1\u53f7\u6210\u50cf\u8bb0\u5f55\u4e0b\u6765\uff0c\u6700\u540e\u8fdb\u884c\u4fe1\u53f7\u5904\u7406\uff0c\u5f97\u5230\u6837\u54c1\u7684\u7ed3\u6784\u3002\u7531\u4e8e\u51b7\u51bb\u7535\u955c\u7684\u7279\u6b8a\u6027\uff0c\u5176\u53ef\u7528\u4e8e\u7814\u7a76\u654f\u611f\u6027\u7684\u6750\u6599\u548c\u754c\u9762\u7684\u7cbe\u7ec6\u7ed3\u6784\uff0c\u52a0\u6df1\u6211\u4eec\u5bf9\u6750\u6599\u548c\u754c\u9762\u7684\u8ba4\u77e5\u3002<\/p>\n

2\u3001\u5d14\u5c79\u56e2\u961f\u5728\u51b7\u51bb\u7535\u955c\u65b9\u9762\u7684\u8fd1\u671f\u5de5\u4f5c\u7b80\u4ecb<\/b><\/strong><\/h3>\n

\u00a02.1 \u00a0\u91d1\u5c5e\u6709\u673a\u6846\u67b6\u539f\u5b50\u8868\u9762\u548c\u4e3b-\u5ba2\u4f53\u5316\u5b66\u7684\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u7ed3\u6784<\/b><\/strong><\/p>\n

\u4e3b\u5ba2\u4f53\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u652f\u914d\u7740\u5404\u79cd\u529f\u80fd\u6750\u6599\u7684\u5316\u5b66\u6027\u8d28\u3002\u7136\u800c\uff0c\u5bbf\u4e3b\u548c\u5ba2\u4f53\u4e4b\u95f4\u7684\u5f31\u7ed3\u5408\uff0c\u963b\u788d\u4e86\u79d1\u7814\u4eba\u5458\u5229\u7528\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c(TEM)\u5bf9\u5b83\u4eec\u7684\u7ed3\u6784\u548c\u5316\u5b66\u7684\u539f\u5b50\u5206\u8fa8\u7387\u7814\u7a76\u3002\u8fd9\u4e2a\u95ee\u9898\u5728\u91d1\u5c5e\u6709\u673a\u6846\u67b6(MOF)\u4e2d\u66f4\u52a0\u7a81\u51fa\uff0c\u56e0\u4e3a\u4e3b\u4f53\u6846\u67b6\u5f88\u5bb9\u6613\u53d7\u5230\u7535\u5b50\u635f\u574f\u3002\u4e8e\u6b64\uff0c\u5d14\u5c79\u8bfe\u9898\u7ec4\u4f7f\u7528\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c(cryo-EM)\u540c\u65f6\u89e3\u51b3\u4e86\u4ee5\u4e0a\u4e24\u4e2a\u95ee\u9898\uff0c\u9610\u660e\u4e86ZIF-8\u6846\u67b6\u7684\u539f\u5b50\u8868\u9762\u7ed3\u6784\u4ee5\u53ca\u5b83\u4e0e\u5ba2\u4f53\u4e8c\u6c27\u5316\u78b3\u5206\u5b50\u7684\u76f8\u4e92\u4f5c\u7528[1]<\/sup>\u3002\u901a\u8fc7\u5728ZIF-8\u8868\u9762\u7684\u539f\u5b50\u53f0\u9636\u8fb9\u7f18\u4f4d\u7f6e\u6210\u50cf\uff0c\u4e3a\u4e86\u89e3\u5176\u751f\u957f\u884c\u4e3a\u63d0\u4f9b\u53ef\u80fd\u3002\u6b64\u5916\uff0c\u8fd8\u89c2\u5bdf\u5230ZIF-8\u5b54\u9699\u4e2dCO2<\/sub>\u4e24\u79cd\u4e0d\u540c\u7684\u7ed3\u5408\u4f4d\u3002\u4e8c\u6c27\u5316\u78b3\u7684\u63d2\u5165\u5f15\u8d77ZIF-8\u5355\u80de\u5728<002>\u548c<011>\u65b9\u54113%\u7684\u6676\u683c\u6269\u5c55\u3002\u7a33\u5b9aMOFs\u548c\u4fdd\u5b58\u4e3b\u5ba2\u5316\u5b66\u7684\u80fd\u529b\u4e3a\u79d1\u5b66\u63a2\u7d22\u548c\u53d1\u73b0\u5f00\u8f9f\u4e86\u4e00\u4e2a\u4e30\u5bcc\u7684\u6750\u6599\u7a7a\u95f4\u3002<\/p>\n

\u56fe1. \u4f7f\u7528\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u4fdd\u5b58\u548c\u7a33\u5b9a\u4e3b\u5ba2\u4f53\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002<\/p>\n

\"\"<\/p>\n

\u771f\u7a7a\u5e72\u71e5\u540e\u7684ZIF-8\u9897\u7c92\u5728\u5e38\u6e29\u5e38\u538b\u4e0b\u66b4\u9732\u4e8eCO2<\/sub>\u6c14\u4f53\u4e2d\u3002\u5728\u8fd9\u79cd\u73af\u5883\u4e2d\uff0c\u8fd9\u4e9b\u7c92\u5b50\u88ab\u76f4\u63a5\u51b7\u51bb\u5230\u6db2\u6c2e\u4e2d\uff0c\u4e3b\u5ba2\u7ed3\u6784\u548c\u5316\u5b66\u88ab\u51bb\u7ed3\u3002\u7136\u540e\u5728\u4f4e\u6e29\u6761\u4ef6\u4e0b\u7528\u76f4\u63a5\u7535\u5b50\u63a2\u6d4b\u5668\u8bb0\u5f55\u4f4e\u5242\u91cf\u56fe\u50cf\u3002<\/p>\n

2.2 \u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u663e\u793a\u8936\u76b1\u77f3\u58a8\u70ef\u7b3c\u4f5c\u4e3a\u9ad8\u5bb9\u91cf\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u5bc4\u4e3b<\/b><\/strong><\/p>\n

\u9502(Li)\u91d1\u5c5e\u88ab\u4eba\u4eec\u8ba4\u4e3a\u662f\u7535\u6c60\u8d1f\u6781\u5316\u5b66\u7684\u201c\u5723\u676f\u201d\uff0c\u4f46\u7531\u4e8e\u5b83\u7684\u5316\u5b66\u53cd\u5e94\u6d3b\u6027\u9ad8\uff0c\u5728\u4f5c\u4e3a\u7535\u6c60\u8d1f\u6781\u65f6\u6548\u7387\u4f4e\u3001\u5b89\u5168\u6027\u5dee\u3001\u4f53\u79ef\u6ce2\u52a8\u8f83\u5927\u3002\u5d14\u5c79\u8bfe\u9898\u7ec4\u8bbe\u8ba1\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u8936\u76b1\u77f3\u58a8\u70ef\u7b3c(WGC)\u7528\u4f5c\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u5bc4\u4e3b[2]<\/sup>\u3002\u4e0d\u540c\u4e8e\u975e\u6676\u78b3\uff0cWGC\u663e\u793a\u51fa\u9ad8\u5ea6\u6539\u5584\u7684\u673a\u68b0\u7a33\u5b9a\u6027\uff0c\u9502\u79bb\u5b50\u5bfc\u7535\u6027\u597d\uff0c\u5177\u6709\u4f18\u826f\u7684\u56fa\u4f53\u7535\u89e3\u8d28\u754c\u9762\u76f8(SEI)\uff0c\u53ef\u7528\u4f5c\u8fde\u7eed\u800c\u575a\u56fa\u7684Li\u91d1\u5c5e\u4fdd\u62a4\u3002\u5728\u4f4e\u9762\u5bb9\u91cf\u533a\uff0c\u9502\u91d1\u5c5e\u4f18\u5148\u6c89\u79ef\u5728\u77f3\u58a8\u70ef\u7b3c\u5b50\u7684\u5185\u90e8\u3002\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u8868\u5f81\u8868\u660e , WGC\u8868\u9762\u5747\u5300\u3001\u7a33\u5b9a\u7684SEI\u53ef\u4ee5\u5c4f\u853dLi\u91d1\u5c5e\u76f4\u63a5\u63a5\u89e6\u7535\u89e3\u6db2\u3002\u968f\u7740\u9762\u5bb9\u91cf\u7684\u589e\u52a0\uff0cLi\u91d1\u5c5e\u88ab\u81f4\u5bc6\u800c\u5747\u5300\u5730\u9540\u5165\u77f3\u58a8\u70ef\u7b3c\u4e4b\u95f4\u7684\u5916\u90e8\u5b54\u9699\u4e2d\uff0c\u6ca1\u6709\u51fa\u73b0\u679d\u6676\u751f\u957f\u6216\u4f53\u79ef\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u91c7\u7528\u5546\u7528\u78b3\u9178\u76d0\u7535\u89e3\u8d28\uff0c\u57280.5 mA\/cm2<\/sup>\u548c1\u221210 mAh\/cm2<\/sup>\u7684\u6761\u4ef6\u4e0b\uff0c\u5e93\u4ed1\u6548\u7387\u9ad8\u8fbe98.0%\uff1b\u5728\u9ad8\u6d53\u5ea6\u7535\u89e3\u8d28\u4e2d\uff0c\u57280.5 mA\/cm2<\/sup>\u548c3 mAh\/cm2<\/sup>\u4e0b\u7684\u5e93\u4f26\u6548\u7387\u8fbe\u523099.1%\u3002WGC\u662f\u4e00\u79cd\u5f88\u6709\u524d\u9014\u7684\u6750\u6599\uff0c\u53ef\u7528\u4e8e\u5236\u5907\u4e0b\u4e00\u4ee3\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7535\u6c60\u7684\u9502\u91d1\u5c5e\u8d1f\u6781\u3002<\/p>\n

\u56fe2. \u77f3\u58a8\u70ef\u7b3c\u7684\u5236\u5907\u53ca\u5176\u76f8\u5173\u8868\u5f81\u3002<\/p>\n

\"\"<\/p>\n

(a)\u7528\u4f5c\u524d\u9a71\u4f53\u7684\u5c16\u72b6\u954d\u7c89\u7684\u793a\u610f\u56fe\u548c(b) SEM\u56fe\u50cf\u3002\u5c16\u72b6\u954d\u7c89\u5305\u8986\u7eb3\u7c73\u91d1\u6d82\u5c42\u7684\u7ed3\u6784\u793a\u610f\u56fe(c)\u548cSEM\u56fe\u50cf(d)\u3002\u77f3\u58a8\u70ef\u5728\u8868\u9762\u751f\u957f\u7684\u793a\u610f\u56fe(e)\u548c(f) SEM\u56fe\u50cf\u3002\u8680\u523bNi\u540e\uff0c\u5185\u8868\u9762\u542b\u6709\u91d1\u7eb3\u7c73\u9897\u7c92\u7684WGC\u793a\u610f\u56fe(g)\u548cSEM\u56fe\u50cf(h) \u3002(i)WGC\u7684TEM\u56fe\u50cf\u3002(j)\u77f3\u58a8\u70ef\u7b3c\u7684\u9ad8\u5206\u8fa8\u7387TEM\u56fe\u50cf\u3002(k) WGC\u7684XRD\u56fe\u8c31\uff0c\u8868\u660e\u77f3\u58a8\u70ef\u7b3c\u5177\u6709\u77f3\u58a8\u7684\u6027\u8d28\u3002(l)WGC\u7684\u62c9\u66fc\u5149\u8c31\uff0c\u663e\u793a\u77f3\u58a8\u70ef\u7b3c\u6709\u77f3\u58a8\u5316\u7f3a\u9677[2]<\/sup>\u3002<\/p>\n

\u56fe3. \u4f4e\u9762\u5bb9\u91cf\u9502\u6280\u672f\u6c89\u79ef\u540eWGC\u7684\u8868\u5f81\u7ed3\u679c\u3002<\/p>\n

\"\"<\/p>\n

(a)\u539f\u59cbWGC\u7535\u6781\u7684SEM\u56fe\u50cf\u3002WGC\u7535\u6781\u6c89\u79ef1mAh\/cm2<\/sup>\u9502\u91d1\u5c5e\u540e\u7684(b) SEM\u56fe\u50cf\u548c\u653e\u5927\u540e\u7684\u56fe\u50cf(c)\u3002(d)\u539f\u59cbWGC\u7684\u539f\u4f4dTEM\u89c2\u5bdf\u3002(e)\u5728\u6c89\u79ef\u8fc7\u7a0b\u4e2dWGC\u53ef\u4ee5\u5b8c\u5168\u88abLi\u91d1\u5c5e\u586b\u5145\uff0c(f)\u5728Li\u91d1\u5c5e\u5265\u79bb\u540e\u53ef\u4ee5\u5b8c\u5168\u88ab\u638f\u7a7a\u3002\u5728\u542b1M LiPF6<\/sub>\u3001\u6eb6\u5242\u4e3aEC\/DEC\u3001\u6dfb\u52a010% FEC\u548c1% VC\u7684\u7535\u89e3\u6db2\u4e2d\uff0c\u6c89\u79ef1mAh \/cm2<\/sup>\u9502\u91d1\u5c5e\u6c89\u79ef\u540eWGC\u7684(g)\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c(Cryo-EM)\u548c(h)\u9ad8\u5206\u8fa8\u7387\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u56fe\u50cf\u3002(i)\u5728(h)\u9762\u677f\u89c2\u5bdf\u5230\u7684WGC\u8868\u9762SEI\u7eb3\u7c73\u7ed3\u6784\u793a\u610f\u56fe\u3002\u91c7\u7528\u542b10M LiFSI\u3001\u6eb6\u5242\u4e3aDMC\u7684\u7535\u89e3\u6db2\uff0c\u6c89\u79ef1mAh\/cm2<\/sup>\u7684\u9502\u91d1\u5c5e\uff0cWGC\u7684 (j)\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u548c(k)\u9ad8\u5206\u8fa8\u7387\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u8868\u5f81\u3002(l)\u5728k\u9762\u677f\u89c2\u5bdf\u5230\u7684WGC\u7535\u6781\u8868\u9762SEI\u7eb3\u7c73\u7ed3\u6784\u793a\u610f\u56fe\u3002WGC\u80fd\u591f\u4fdd\u5b58\u654f\u611f\u7684\u7535\u6c60\u6750\u6599\uff0c\u4e0e\u7eaf\u9502\u91d1\u5c5e\u76f8\u6bd4\uff0cWGC\u4e0a\u7684SEI\u8981\u8584\u5f97\u591a\uff0c\u5bfc\u81f4\u5e93\u4f26\u6548\u7387\u589e\u52a0[2]<\/sup>\u3002<\/p>\n

2.3 \u51b7\u51bb\u7535\u955c\u7ed3\u5408\u963b\u6297\u63ed\u793aCuO\u7eb3\u7c73\u7ebf\u7684SEI\u7eb3\u7c73\u7ed3\u6784\u53ca\u5176\u7535\u5316\u5b66\u5f62\u6210\u8fc7\u7a0b<\/b><\/strong><\/p>\n

\u7535\u6c60\u6027\u80fd\u4e0e\u56fa\u4f53\u7535\u89e3\u8d28\u754c\u9762(SEI)\u7684\u7eb3\u7c73\u7ed3\u6784\u548c\u7535\u5316\u5b66\u6027\u80fd\u606f\u606f\u76f8\u5173\u3002\u7136\u800c\uff0c\u5173\u4e8eSEI\u819c\u7eb3\u7c73\u7ed3\u6784\u662f\u5982\u4f55\u5f62\u6210\u5e76\u5f71\u54cd\u79bb\u5b50\u8fd0\u8f93\uff0c\u6211\u4eec\u4ecd\u7136\u4e0d\u592a\u6e05\u695a\uff0c\u56e0\u4e3aSEI\u819c\u5bf9\u900f\u5c04\u7535\u955c\u654f\u611f\uff0c\u96be\u4ee5\u51c6\u786e\u63a2\u6d4bSEI\u963b\u6297\u3002\u5d14\u5c79\u8bfe\u9898\u7ec4\u4f7f\u7528\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c(cryo-EM)\u548c\u7535\u5316\u5b66\u963b\u6297(EIS)\uff0c\u8ffd\u8e2a\u4e86CuO\u7eb3\u7c73\u7ebf\u8868\u9762\u5177\u6709\u7535\u538b\u4f9d\u8d56\u6027\u5e76\u9010\u6b65\u6f14\u5316\u7684SEI\u7eb3\u7c73\u7ed3\u6784[3]<\/sup>\u3002\u5728\u78b3\u9178\u76d0\u7535\u89e3\u8d28\u4e2d\uff0c\u57281.0 V vs Li\/Li+<\/sup>\u65f6\u5f62\u6210\u539a\u5ea6\u4e3a3 nm\u7684\u65e0\u5b9a\u5f62SEI\uff0c\u57280.5 V\u65f6SEI\u751f\u957f\u52304nm\uff1b\u5f53\u7535\u4f4d\u63a5\u8fd10.0 V\u65f6\uff0c\u5728\u542b10 vol %\u6c1f\u4e59\u70ef\u78b3\u9178\u76d0(FEC)\u7684\u78b3\u9178\u4e59\u70ef\/\u78b3\u9178\u4e8c\u4e59\u916f(EC\/DEC)\u7535\u89e3\u6db2\u4e2d\uff0c\u5728CuO\u7eb3\u7c73\u7ebf\u4e0a\u5f62\u62108nm\u539a\u7684\u5012\u7f6e\u591a\u5c42\u7eb3\u7c73\u7ed3\u6784\u7684SEI\uff1b\u5728EC\/DEC\u7535\u89e3\u6db2\u4e2d\u5f62\u6210\u7684SEI\u5448\u9576\u5d4c\u7eb3\u7c73\u7ed3\u6784\u3002\u9502\u6c89\u79ef\u540e\uff0c\u603b\u7684SEI\u539a\u5ea6\u589e\u52a0\u523016nm\uff0c\u800c\u5185\u975e\u6676\u5c42\u7684\u663e\u8457\u589e\u957f\u53d1\u751f\u5728\u5012\u7f6e\u591a\u5c42\u7eb3\u7c73\u7ed3\u6784\u4e2d\uff0c\u8868\u660e\u7535\u89e3\u6db2\u80fd\u6e17\u900fSEI\u3002<\/p>\n

\u56fe4. \u5728\u542b10% FEC\u7684EC\/DEC \u7535\u89e3\u6db2\u4e2dCuO\u7eb3\u7c73\u7ebf\u8868\u9762SEI\u7eb3\u7c73\u7ed3\u6784\u7684\u7ed3\u6784\u6f14\u53d8\u3002<\/p>\n

\"\"<\/p>\n

\u5728\u4e0d\u540c\u7535\u4f4d\u4e0b\uff0c\u5728Li\u91d1\u5c5e\u4e0a\u5f62\u6210\u7684SEI\u7684(A\u2212D)\u4f4e\u500d\u653e\u5927\u548c(E\u2212H)\u9ad8\u500d\u653e\u5927\u56fe\u50cf\u3002(I – L)\u63cf\u7ed8\u4e86\u4ece1.0 V vs Li\/Li+<\/sup>\u5230Li\u6c89\u79ef\u9636\u6bb5\u7684\u65b0\u751fSEI\u6f14\u53d8\u793a\u610f\u56fe[3]<\/sup>\u3002<\/p>\n

2.4 \u51b7\u51bb\u7535\u955c\u89c2\u5bdfSi\u7684SEI\u819c\u52a8\u6001\u7ed3\u6784\u548c\u5316\u5b66<\/b><\/strong><\/p>\n

\u7845(Si)\u8d1f\u6781\u56fa\u4f53\u7535\u89e3\u8d28\u95f4\u76f8(SEI)\u7684\u4e0d\u7a33\u5b9a\u6027\u963b\u788d\u4e86\u5176\u5546\u54c1\u5316\uff0c\u60f3\u4ece\u7eb3\u7c73\u5c3a\u5ea6\u5168\u9762\u4e86\u89e3\u8fd9\u79cd\u949d\u5316\u819c\u4ecd\u7136\u5b58\u5728\u6311\u6218\u3002\u5d14\u5c79\u8bfe\u9898\u7ec4\u91c7\u7528\u539f\u5b50\u5206\u8fa8\u7387\u7684\u4f4e\u6e29(\u626b\u63cf)\u900f\u5c04\u7535\u5b50\u663e\u5fae\u6280\u672f(\u4f4e\u6e29(S)TEM)\u548c\u7535\u5b50\u80fd\u91cf\u635f\u5931\u5149\u8c31\u5b66(EELS)\uff0c\u5b9e\u73b0\u7845\u8d1f\u6781SEI\u7ed3\u6784\u548c\u5316\u5b66\u7684\u53ef\u89c6\u5316[4]<\/sup>\uff0c\u63ed\u793a\u4e86\u5b83\u5728\u7b2c\u4e00\u4e2a\u5468\u671f\u7684\u6f14\u53d8\u3002\u4ed6\u4eec\u53d1\u73b0\u4e86\u5728\u78b3\u9178\u4e59\u70ef(EC)\u7535\u89e3\u6db2\u4e2dSi\u7684SEI\u7ed3\u6784\u4e0d\u7a33\u5b9a\u7684\u539f\u56e0\uff0c\u56e0\u4e3aSEI\u5177\u6709\u9ad8\u53ef\u9006\u6027\u3002\u63ed\u793a\u4e86FEC\u7535\u89e3\u6db2\u6dfb\u52a0\u5242\u7684\u4f5c\u7528\uff0c\u5b83\u53ef\u901a\u8fc7\u7535\u5316\u5b66\u6c89\u79ef\u5728Si\u8d1f\u6781\u8868\u9762\u5f62\u6210\u4e0d\u53ef\u9006\u805a\u78b3\u9178\u916f\u5c42\uff0c\u6765\u5ef6\u957f\u7845\u8d1f\u6781\u7684\u53ef\u5faa\u73af\u6027\u3002\u8fd9\u4e9b\u53d1\u73b0\u4e3a\u7406\u89e3Si\u8d1f\u6781\u5728\u5546\u4e1aEC\u7535\u89e3\u6db2\u4e2d\u51fa\u73b0\u7684\u4e0d\u7a33\u5b9a\u6027\u4ee5\u53ca\u6dfb\u52a0\u5242\u5bf9SEI\u7a33\u5b9a\u7684\u4f5c\u7528\u63d0\u4f9b\u4e86\u7ec6\u81f4\u5165\u5fae\u7684\u5206\u6790\u3002 \u00a0\u00a0<\/p>\n

\u56fe5. \u4ee5\u6c27\u7ed3\u5c3e\u7684Si\u5728EC\/DEC\u548cEC\/DEC+10%FEC\u7535\u89e3\u6db2\u4e2d\u7684\u9502\u5316\u8fc7\u7a0b\u793a\u610f\u56fe[4]<\/sup>\u3002<\/p>\n

\"\"<\/p>\n

\u901a\u8fc7\u4f4e\u6e29(S)TEM\u548cEELS\u7684\u7ed3\u5408\uff0c\u53d1\u73b0\u5728\u6807\u51c6\u7684EC\/DEC\u7535\u89e3\u6db2\u4e2d\uff0c\u9996\u6b21\u5faa\u73af\u65f6\uff0c\u9502\u5316\u7684\u7845(Li15<\/sub>Si4<\/sub>)\u4e0e\u53cc\u4fa7SEI\u5f62\u6210\u754c\u9762\uff0c\u53cc\u5c42SEI\u7684\u5185\u90e8\u662fSiOx<\/sub>\u9502\u5316\u7684\u975e\u6676\u5c42\uff0c\u5916\u90e8\u662fEC\u5206\u89e3\u4ea7\u751f\u7684\u5c42\u7ed3\u6784\uff0c\u5305\u62ec\u975e\u6676\u72b6LEDC\u548c\u7ed3\u6676\u72b6Li2<\/sub>O\u3002\u5728\u8131\u9502\u9636\u6bb5\uff0cSEI\u8868\u73b0\u51fa\u7ed3\u6784\u548c\u5316\u5b66\u7684\u53ef\u9006\u6027\uff1bLi2<\/sub>O\u4e0e\u7845\u53d1\u751f\u53cd\u5e94\u5f62\u6210Lix<\/sub>SiOy<\/sub>\uff0cLix<\/sub>SiOy<\/sub>\u53ef\u8fdb\u4e00\u6b65\u8131\u9502\uff0c\u5982LEDC\u7684\u6709\u673a\u78b3\u9178\u76d0\u53d1\u751f\u6c27\u5316\u3002\u52a0\u5165\u7535\u89e3\u6db2\u6dfb\u52a0\u5242FEC\u540e\uff0c\u9502\u5316\u5f97\u5230\u975e\u6676SEI\u5c42\uff0c\u5176\u5185\u5c42\u4e3a\u6709\u673a\u591a\u805a(VC)\u6c89\u79ef\u5c42\uff0c\u65e0\u673a\u5c42\u4e3aLix<\/sub>SiOy<\/sub>\u3002<\/p>\n

2.5 \u7528\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u89c2\u5bdf\u6709\u673a-\u65e0\u673a\u5364\u5316\u7269\u9499\u949b\u77ff\u7684\u5206\u89e3\u964d\u89e3\u673a\u5236\u548c\u539f\u5b50\u7ed3\u6784 <\/b><\/strong><\/p>\n

\u5c3d\u7ba1\u6709\u673a-\u65e0\u673a\u5364\u5316\u7269\u9499\u949b\u77ff\u6df7\u5408\u592a\u9633\u80fd\u7535\u6c60\u8fdb\u5c55\u8fc5\u901f\uff0c\u7528\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u7814\u7a76\u5b83\u4eec\u7684\u539f\u5b50\u7ed3\u6784\u8fd8\u6bd4\u8f83\u56f0\u96be\u3002\u56e0\u4e3a\u5b83\u4eec\u5bf9\u7535\u5b50\u675f\u8f90\u5c04\u548c\u73af\u5883\u66b4\u9732\u6781\u4e3a\u654f\u611f\u3002\u5d14\u5c79\u8bfe\u9898\u7ec4\u91c7\u7528\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u4fdd\u62a4\u4e86\u4e00\u79cd\u6781\u4e3a\u654f\u611f\u7684\u9499\u949b\u77ff\u2014\u2014\u7532\u57fa\u94f5\u7898\u5316\u94c5(MAPbI3<\/sub>)\uff0c\u5e76\u5728\u5404\u79cd\u64cd\u4f5c\u6761\u4ef6\u4e0b\u5b9e\u73b0\u539f\u5b50\u5206\u8fa8\u7387\u6210\u50cf[5]<\/sup>\u3002\u4ed6\u4eec\u53d1\u73b0\u7ecf\u8fc7\u77ed\u65f6\u95f4\u7684\u7d2b\u5916\u7ebf\u7167\u5c04\u540e\uff0c\u7898\u5316\u94c5\u7eb3\u7c73\u7c92\u5b50\u5728MAPbI3<\/sub>\u7eb3\u7c73\u7ebf\u8868\u9762\u53d1\u751f\u6c89\u6dc0\uff0c\u66b4\u9732\u5728\u7a7a\u6c14\u4e2d\u4ec510s\u5c31\u51fa\u73b0\u8868\u9762\u7c97\u5316\u73b0\u8c61\uff0c\u800c\u91c7\u7528\u4f20\u7edf\u7684X\u5c04\u7ebf\u884d\u5c04\u65b9\u6cd5\u65e0\u6cd5\u89c2\u5bdf\u5230\u8fd9\u4e9b\u53d8\u5316\u3002\u4f5c\u8005\u5efa\u7acb\u4e86\u4e34\u754c\u7535\u5b50\u5242\u91cf\u7684\u5b9a\u4e49\uff0c\u57281.49\u57c3\u7a7a\u95f4\u5206\u8fa8\u7387\u4e0b\uff0c MAPbI3<\/sub>\u5728\u4f4e\u6e29\u6761\u4ef6\u4e0b\u7684\u8ba1\u7b97\u503c\u4e3a12 e\u3002\u7814\u7a76\u679c\u5f3a\u8c03\u4e86\u4f4e\u6e29\u7535\u5b50\u663e\u5fae\u955c\u7684\u91cd\u8981\u6027\uff0c\u56e0\u4e3a\u4f20\u7edf\u7684\u6280\u672f\u8fd8\u65e0\u6cd5\u6355\u83b7\u5f62\u6001\u548c\u7ed3\u6784\u7684\u91cd\u8981\u7eb3\u7c73\u7ea7\u53d8\u5316\u3002\u8fd9\u5bf9\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u7a33\u5b9a\u6027\u548c\u7684\u6027\u80fd\u7814\u7a76\u800c\u8a00\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u56fe6. \u91c7\u7528\u4f4e\u6e29\u51b7\u51bb\u7535\u955c\uff0c\u5bf9\u6742\u5316\u5364\u5316\u7269\u9499\u949b\u77ff\u8fdb\u884c\u4fdd\u62a4\u548c\u7a33\u5b9a\u3002<\/p>\n

\"\"<\/p>\n

(A)\u6742\u5316\u9499\u949b\u77ff\u5728\u9ad8\u80fd\u7535\u5b50\u675f\u3001\u7d2b\u5916\u5149\u548c\u6c34\u6c7d\u4f5c\u7528\u4e0b\u5206\u89e3\u6210\u524d\u9a71\u4f53\u6750\u6599\uff1b(B)\u88ab\u7535\u5b50\u675f\u7834\u574f\u7684MAPbI3<\/sub>\u7eb3\u7c73\u7ebf\u7684TEM\u56fe\u50cf\uff1b(C)\u00a0MAPbI3<\/sub>\u7eb3\u7c73\u7ebf\u7684\u4f4e\u7535\u5b50\u5242\u91cf\u6210\u50cf\uff1b(D) \u4f7f\u7528\u6025\u51bb\u65b9\u6cd5\u7a33\u5b9a\u4e86\u539f\u59cb\uff08\u6216\u8005\u7d2b\u5916\u7ebf\/\u6c34\u6c7d\u66b4\u9732\u540e\uff09\u7684\u9499\u949b\u77ff\u7eb3\u7c73\u7ebf\uff1b(E\u548cG)\u00a0MAPbI3<\/sub>\u00a0(E)\u548cMAPbBr3<\/sub>\u00a0(G) \u7684TEM\u56fe\u50cf\uff1b(F\u548cH) MAPbI3<\/sub>\u00a0(F)\u548cMAPbBr3<\/sub>\u00a0(H) \u7684\u539f\u5b50\u7ea7\u5206\u8fa8\u7387TEM\u56fe\u50cf\u3002<\/p>\n

3\u3001\u5c0f\u7ed3<\/h3>\n

\u51b7\u51bb\u7535\u955c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7814\u7a76\u8106\u5f31\u800c\u4e0d\u7a33\u5b9a\u7684\u6750\u6599\uff0c\u4ee5\u53ca\u6750\u6599\u754c\u9762\u7684\u53d8\u5316\uff0c\u5206\u8fa8\u7387\u9ad8\uff0c\u800c\u4e14\u53ef\u4ee5\u4fdd\u7559\u5b83\u4eec\u7684\u539f\u59cb\u72b6\u6001\uff0c\u8fd9\u5bf9\u4e8e\u63a8\u8fdb\u6750\u6599\u79d1\u5b66\u7684\u76f8\u5173\u7814\u7a76\u5177\u6709\u91cd\u8981\u7684\u610f\u4e49\u3002<\/p>\n

\u53c2\u8003\u6587\u732e\uff1a<\/b><\/strong><\/h3>\n

[1] Cryo-EM structures of atomic surfaces and host-guest chemistry in metal-organic frameworks\uff1b<\/p>\n

[2] Wrinkled Graphene Cages as Hosts for High-Capacity Li Metal Anodes Shown by Cryogenic Electron Microscopy; Doi: 10.1021\/acs.nanolett.8b04906.<\/p>\n

[3] Nanostructural and Electrochemical Evolution of the Solid-Electrolyte Interphase on CuO Nanowires Revealed by Cryogenic-Electron Microscopy and Impedance Spectroscopy; DOI: 10.1021\/acsnano.8b08012<\/p>\n

[4] Dynamic Structure and Chemistry of the Silicon Solid-Electrolyte Interphase Visualized by Cryogenic Electron Microscopy; DOI: 10.1016\/j.matt.2019.09.020.<\/p>\n

[5] Unravelling Degradation Mechanisms and Atomic Structure of Organic-Inorganic Halide Perovskites by Cryo-EM\uff1bDOI: 10.1016\/j.joule.2019.08.016.<\/p>\n

\u672c\u6587\u7531\u5c0f\u4e50\u8001\u5e08<\/b>\u4f9b\u7a3f\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1: tougao@cailiaoren.com.<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaorenVIP.<\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u51b7\u51bb\u7535\u955c\u6280\u672f\u7b80\u4ecb \u51b7\u51bb\u7535\u955c\u6280\u672f\uff0c\u662f\u5728\u4f4e\u6e29\u4e0b\u4f7f\u7528\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u89c2\u5bdf\u6837\u54c1\u7684\u663e\u5fae\u6280\u672f\uff0c\u5373\u628a\u6837\u54c1\u51bb\u8d77\u6765\u5e76\u4fdd\u6301\u4f4e\u6e29\u653e\u8fdb\u663e\u5fae\u955c\u91cc\u9762\uff0c\u7528\u9ad8\u5ea6\u76f8\u5e72\u7684\u7535\u5b50\u4f5c\u4e3a\u5149\u6e90\u4ece\u4e0a\u9762\u7167\u4e0b\u6765…<\/p>\n","protected":false},"author":10213,"featured_media":179218,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1187],"tags":[],"class_list":["post-190846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zhuanlan"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/190846"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/10213"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=190846"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/190846\/revisions"}],"predecessor-version":[{"id":190867,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/190846\/revisions\/190867"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/179218"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=190846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=190846"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=190846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}