{"id":239200,"date":"2022-07-04T06:58:08","date_gmt":"2022-07-03T22:58:08","guid":{"rendered":"\/\/m.iemloyee.com\/?p=239200"},"modified":"2022-07-12T19:41:22","modified_gmt":"2022-07-12T11:41:22","slug":"%e9%ab%98%e6%b0%a7%e5%af%86%e5%ba%a6%e6%8e%ba%e6%9d%82%e5%af%bc%e7%94%b5%e9%87%91%e5%b1%9e%e7%a1%ab%e5%8c%96%e7%89%a9%e7%94%a8%e4%ba%8e%e9%94%82%e7%a1%ab%e7%94%b5%e6%b1%a0%e6%ad%a3%e6%9e%81%e5%82%ac","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=239200","title":{"rendered":"\u9ad8\u6c27\u5bc6\u5ea6\u63ba\u6742\u5bfc\u7535\u91d1\u5c5e\u786b\u5316\u7269\u7528\u4e8e\u9502\u786b\u7535\u6c60\u6b63\u6781\u50ac\u5316\u5242"},"content":{"rendered":"

\u8fd1\u65e5\uff0c\u9655\u897f\u79d1\u6280\u5927\u5b66\u5434\u6d77\u4f1f\u526f\u6559\u6388\u3001\u674e\u5fd7\u5065\u6559\u6388\u4ee5\u53ca\u4e2d\u79d1\u9662\u91cd\u5e86\u7eff\u8272\u667a\u80fd\u7814\u7a76\u6240\u9648\u539a\u6837\u6559\u6388<\/strong>\u7b49\u4eba\u5728\u300aAdvanced Science\u300b\u6742\u5fd7\u4e0a\u53d1\u8868\u9898\u4e3a\u201cHigh-Density Oxygen Doping of Conductive Metal Sulfides for Better Polysulfide Trapping and Li2<\/sub>S\u2010S8<\/sub> Redox Kinetics in High Areal Capacity Lithium\u2013Sulfur Batteries<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u8be5\u5de5\u4f5c\u9996\u6b21\u63d0\u51fa\u5c06\u9ad8\u5bc6\u5ea6\u6c27\u63ba\u6742\u5316\u5b66\u7528\u4e8e\u5236\u5907\u9ad8\u5bfc\u7535\u6027\u3001\u9ad8\u5316\u5b66\u7a33\u5b9a\u6027\u4e0e\u9ad8\u591a\u786b\u5316\u9502\u4eb2\u548c\u529b\u7684\u9502\u786b\u7535\u6c60\u50ac\u5316\u5242\u3002\u901a\u8fc7\u7b80\u5355\u63a7\u5236NiCo2<\/sub>O4<\/sub>\u7684\u786b\u5316\u65f6\u95f4\u4e0e\u786b\u5316\u7269\u7528\u91cf\uff0c\u6210\u529f\u5c06\u5927\u91cf\u7684\u6c27\u63ba\u6742\u5230NiCo2<\/sub>S4<\/sub>\u4e2d\uff0c\u7531\u6b64\u5f97\u5230\u7684NiCo2<\/sub>(O-S)4<\/sub>\u4e0d\u4ec5\u5177\u6709\u6bd4\u954d\u94b4\u6c27\u5316\u7269\u548c\u81ea\u7136\u6c27\u5316\u7684\u786b\u5316\u7269\u66f4\u52a0\u4f18\u826f\u7684\u5bfc\u7535\u6027\u548c\u5316\u5b66\u7a33\u5b9a\u6027\uff0c\u540c\u65f6\u53ef\u63d0\u9ad8\u5bf9\u591a\u786b\u79bb\u5b50\u50ac\u5316\u8f6c\u5316\uff0c\u52a0\u901fLi2<\/sub>S-S8<\/sub>\u6c27\u5316\u8fd8\u539f\u52a8\u529b\u5b66\u3002\u4f7f\u7528\u9ad8\u6c27\u6d53\u5ea6\u63ba\u6742\u7684NiCo2<\/sub>(O-S)4<\/sub>\u5236\u5907\u7684\u9ad8\u8f7d\u786b\uff088.75 mg cm-2<\/sup>\uff09\u7eb8\u7535\u6781\u5728\u8d2b\u7535\u89e3\u8d28\uff083.8 \u00b5L g-1<\/sup>\uff09\u4e0b\uff0c\u53ef\u5b9e\u73b08.68 mAh cm-2<\/sup>\u7684\u9ad8\u9762\u79ef\u5bb9\u91cf\uff0c\u4e14\u5faa\u73af\u6027\u80fd\u826f\u597d\u3002\u8be5\u5de5\u4f5c\u63d0\u51fa\u7684\u9ad8\u5bc6\u5ea6\u6c27\u63ba\u6742\u5316\u5b66\u4e5f\u53ef\u4ee5\u5e94\u7528\u4e8e\u5176\u4ed6\u91d1\u5c5e\u5316\u5408\u7269\uff0c\u8fd9\u4e3a\u5f00\u53d1\u9ad8\u5bb9\u91cf\u9502\u786b\u7535\u6c60\u7684\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u66f4\u591a\u9014\u5f84\u3002<\/p>\n

\"\"<\/p>\n

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

\u9502\u786b\u4e8c\u6b21\u7535\u6c60\uff08LSBs\uff09\u56e0\u5176\u7406\u8bba\u80fd\u91cf\u5bc6\u5ea6\u9ad8\u3001\u6210\u672c\u4f4e\u5ec9\u548c\u73af\u5883\u53cb\u597d\u6027\u800c\u88ab\u516c\u8ba4\u4e3a\u662f\u4e0b\u4e00\u4ee3\u6700\u5177\u53d1\u5c55\u6f5c\u529b\u7684\u9ad8\u6bd4\u80fd\u91cf\u4e8c\u6b21\u7535\u6c60\u4f53\u7cfb\u3002\u4f46\u53d7\u53ef\u6eb6\u6027\u591a\u786b\u5316\u9502\uff08LiPS\uff09\u7684\u201c\u7a7f\u68ad\u6548\u5e94\u201d\u548c\u7f13\u6162\u7684\u53cd\u5e94\u52a8\u529b\u5b66\u9650\u5236\uff0c\u9502\u786b\u7535\u6c60\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u9762\u79ef\u5bb9\u91cf\uff08\uff1e3 mAh cm-2<\/sup>\uff09\u548c\u8d2b\u7535\u89e3\u8d28\uff08E\/S\uff1c5 \u03bcL mg-1<\/sup>\uff09\u6761\u4ef6\u4e0b\uff0c\u5b58\u5728\u6d3b\u6027\u6750\u6599\u6301\u7eed\u635f\u5931\u3001\u9502\u9633\u6781\u8150\u8680\u4ee5\u53ca\u7535\u89e3\u6db2\u6d88\u8017\u7b49\u95ee\u9898\uff0c\u8fd9\u5927\u5927\u964d\u4f4e\u4e86\u9502\u786b\u7535\u6c60\u7684\u5b9e\u9645\u6bd4\u80fd\u91cf\u548c\u5faa\u73af\u5bff\u547d\u3002\u4e3a\u63d0\u9ad8\u786b\u6b63\u6781\u7684\u9762\u79ef\u5bb9\u91cf\u548c\u786b\u5229\u7528\u7387\uff0c\u7814\u7a76\u8005\u63d0\u51fa\u4f7f\u7528\u9ad8\u5bfc\u7535\u6027\u548c\u6781\u6027\u8fc7\u6e21\u91d1\u5c5e\u5316\u5408\u7269\u4f5c\u4e3a\u50ac\u5316\u5242\uff0c\u52a0\u901fLiPS\u7684\u50ac\u5316\u8f6c\u5316\u3002\u5728\u4e4b\u524d\u7684\u7814\u7a76\u4e2d\uff0c\u5927\u591a\u6570\u4f7f\u7528\u7684\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u5bfc\u7535\u6027\u8f83\u5dee\u4f46\u5316\u5b66\u7a33\u5b9a\u6027\u8f83\u597d\uff0c\u5bf9\u591a\u786b\u5316\u9502\u6709\u8f83\u597d\u7684\u4eb2\u548c\u6027\uff0c\u800c\u91d1\u5c5e\u786b\u5316\u7269\uff08\u6216\u6c2e\u5316\u7269\u3001\u78f7\u5316\u7269\uff09\u6070\u6070\u76f8\u53cd\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u8003\u8651\u901a\u8fc7\u63ba\u6742\u6765\u7ed3\u5408\u6c27\u5316\u7269\u548c\u786b\u5316\u7269\uff08\u6216\u78f7\u5316\u7269\uff09\u7684\u4f18\u70b9\uff0c\u6765\u6539\u5584\u50ac\u5316\u5242\u6027\u8d28\uff0c\u8fdb\u800c\u63d0\u9ad8\u9502\u786b\u50ac\u5316\u8f6c\u5316\u52a8\u529b\u5b66\u3002\u5176\u4e2d\uff0c\u6c27\u63ba\u6742\u6750\u6599\u7531\u4e8e\u5177\u6709\u8f83\u5f3a\u7684Li-O\u7ed3\u5408\u529b\uff0c\u53ef\u6539\u5584\u50ac\u5316\u5242\u5bf9LiPS\u7684\u4eb2\u548c\u529b\u3002\u7136\u800c\uff0c\u76ee\u524d\u5f88\u591a\u65b9\u6cd5\u53ea\u80fd\u5b9e\u73b0\u4f4e\u542b\u91cf\u7684\u6c27\u63ba\u6742\u4e14\u4ea7\u7269\u5bfc\u7535\u6027\u8f83\u5dee\uff0c\u56e0\u6b64\u5728\u8be5\u5de5\u4f5c\u4e2d\u4f5c\u8005\u63a2\u7d22\u5236\u5907\u4e00\u79cd\u9ad8\u6c27\u6d53\u5ea6\u6c27\u63ba\u6742\u65b9\u6cd5\u53ca\u6750\u6599\u3002\u5177\u4f53\u5b9e\u65bd\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u63a7\u5236\u786b\u5316\u7a0b\u5ea6\uff0c\u53ef\u4ee5\u8f7b\u677e\u83b7\u5f97\u9ad8\u5bc6\u5ea6\u6c27\u63ba\u6742\u7684NiCo2<\/sub>S4<\/sub>\uff0c\u4f5c\u8005\u5c06\u5176\u79f0\u4e4b\u4e3aNiCo2<\/sub>(O-S)4<\/sub>\u3002NiCo2<\/sub>(O-S)4<\/sub>\u5f62\u8c8c\u5448\u82b1\u72b6\uff0c\u6676\u4f53\u7ed3\u6784\u4e0e\u7acb\u65b9NiCo2<\/sub>S4<\/sub>\u76f8\u4f3c\uff0c\u4f46O:S\u539f\u5b50\u6bd4\u53ef\u8d85\u8fc71.5:1\uff0c\u8fd9\u79cd\u6750\u6599\u4e0d\u4ec5\u5f88\u597d\u5730\u7ee7\u627f\u4e86NiCo2<\/sub>S4<\/sub>\u7684\u9ad8\u5bfc\u7535\u6027\uff0c\u53c8\u4fdd\u6301\u4e86NiCo2<\/sub>O4<\/sub>\u5728\u7a7a\u6c14\u4e2d\u7684\u7a33\u5b9a\u6027\uff0c\u4e14\u5728\u5438\u9644LiPS\u548c\u50ac\u5316LiPS\u8f6c\u5316\u65b9\u9762\u7684\u6027\u80fd\u4f18\u4e8eNiCo2<\/sub>O4<\/sub>\u548cNiCo2<\/sub>S4<\/sub>\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u5236\u5907\u7528\u4e8e\u9ad8\u786b\u5229\u7528\u7387\u548c\u9ad8\u9762\u5bc6\u5ea6\u786b\u6b63\u6781\u7684\u7535\u5316\u5b66\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u66f4\u591a\u53ef\u80fd\u3002<\/p>\n

 <\/p>\n

 <\/p>\n

\u3010\u6838\u5fc3\u5de5\u4f5c\u3011<\/strong><\/p>\n

\u90e8\u5206\u786b\u5316\u6cd5\u5236\u5907NiCo2<\/sub>(O-S)4<\/sub>\u53ca\u5176\u8868\u5f81<\/p>\n

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\u56fe1 NiCo2<\/sub>(O-S)4<\/sub>\u6750\u6599\u7684\u5408\u6210\u4e0e\u8868\u5f81<\/p>\n

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NiCo2<\/sub>(O-S)4<\/sub>\u826f\u597d\u7684\u7a7a\u6c14\u7a33\u5b9a\u6027\u3001\u5bfc\u7535\u6027\u4ee5\u53ca\u5176\u5bf9LiPS\u7684\u5438\u9644\u4f5c\u7528<\/p>\n

\"\"<\/p>\n

\u56fe2 NiCo2<\/sub>(O-S)4<\/sub>\u6750\u6599\u826f\u597d\u7684\u5bfc\u7535\u6027\u3001\u7a33\u5b9a\u6027\u4e0e\u591a\u786b\u5316\u9502\u5438\u9644\u6027<\/p>\n

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NiCo2<\/sub>(O-S)4<\/sub>\u5bf9S8<\/sub>-Li2<\/sub>S\u7684\u6c27\u5316\u8fd8\u539f\u548c\u5f62\u6838\u52a8\u529b\u5b66\u7684\u4fc3\u8fdb\u6548\u679c<\/p>\n

\"\"<\/p>\n

\u56fe3 NiCo2<\/sub>(O-S)4<\/sub>\u6750\u6599\u826f\u597d\u7684\u6c27\u5316\u8fd8\u539f\u50ac\u5316\u6027\u4ee5\u53ca\u5bf9\u5e94\u7684\u5bf9\u79f0\u7535\u6c60\u6d4b\u8bd5<\/p>\n

\u4e3a\u4e86\u9a8c\u8bc1\u9ad8\u5bc6\u5ea6O\u63ba\u6742\u7684NiCo2<\/sub>(O-S)4<\/sub>\u53ef\u4ee5\u6709\u6548\u5730\u50ac\u5316S8<\/sub>-Li2<\/sub>S\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\uff0c\u4f5c\u8005\u5236\u5907\u4e86\u81ea\u652f\u6491\u7eb8\u7535\u6781\u5e76\u5bf9\u5176\u8fdb\u884c\u4e86\u5bf9\u79f0\u7535\u6c60\u548c\u5faa\u73af\u4f0f\u5b89\uff08CV\uff09\u6d4b\u8bd5\u3002\u7ed3\u679c\u663e\u793a\uff0c\u5728\u4e0d\u540c\u626b\u901f\u4e0b\uff0c\u7528NiCo2<\/sub>(O-S)4<\/sub>\u7eb8\u652f\u6491\u7535\u6781\u7ec4\u88c5\u7684\u5bf9\u79f0\u7535\u6c60\u5747\u8868\u73b0\u51fa\u6bd4NiCo2<\/sub>O4<\/sub>\u548cNiCo2<\/sub>S4<\/sub>\u7535\u6c60\u66f4\u9ad8\u7684\u5cf0\u503c\u7535\u6d41\u548c\u66f4\u5c0f\u7684\u6c27\u5316\u8fd8\u539f\u5cf0\u7535\u4f4d\u5dee\uff0c\u8bc1\u660eNiCo2<\/sub>(O-S)4<\/sub>\u663e\u8457\u589e\u5f3a\u4e86LiPS\u8f6c\u5316\u7684\u9502\u5316\/\u8131\u9502\u53cd\u5e94\u52a8\u529b\u5b66\u3002\u4e0d\u4ec5\u5982\u6b64\uff0cNiCo2<\/sub>(O-S)4<\/sub>\u7eb8\u57fa\u7535\u6c60\u7684CV\u6d4b\u8bd5\u66f2\u7ebf\u8868\u73b0\u51fa\u66f4\u9ad8\u7684\u8fd8\u539f\u5cf0\u7535\u4f4d\u4ee5\u53ca\u66f4\u4f4e\u7684\u6c27\u5316\u5cf0\u7535\u4f4d\uff0c\u5bf9\u5e94\u7684Tafel\u62df\u5408\u659c\u7387\u6700\u5c0f\uff0c\u8fd9\u540c\u6837\u8bc1\u660e\u9ad8\u5bc6\u5ea6O\u63ba\u6742\u7684NiCo2<\/sub>(O-S)4<\/sub>\u5bf9S8<\/sub>\u3001LiPS\u548cLi2<\/sub>S2<\/sub>\/Li2<\/sub>S\u7684\u5feb\u901f\u6c27\u5316\u8fd8\u539f\u5177\u6709\u66f4\u597d\u7684\u50ac\u5316\u6d3b\u6027\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u57280.05-0.25 mV s-1<\/sup>\u7684\u4e0d\u540c\u626b\u901f\u4e0b\uff0cNiCo2<\/sub>(O-S)4<\/sub>\u7eb8\u57fa\u7535\u6c60\u5177\u6709\u6700\u5c0f\u7684\u6c27\u5316\u8fd8\u539f\u5cf0\u7535\u4f4d\u5dee\uff08\u56fe3 g-i\uff09\uff0c\u5e76\u4e14\u5176\u4e24\u4e2a\u76f8\u90bb\u626b\u901f\u4e4b\u95f4\u7684\u659c\u7387\u4e0eNiCo2<\/sub>S4<\/sub>\u76f8\u4f3c\u751a\u81f3\u9010\u6e10\u91cd\u53e0\uff0c\u7531\u6b64\u53ef\u4ee5\u770b\u51fa\u5bfc\u7535\u6027\u66f4\u9ad8\u7684NiCo2<\/sub>(O-S)4<\/sub>\u53ef\u4ee5\u50cfNiCo2<\/sub>S4<\/sub>\u4e00\u6837\u964d\u4f4e\u7535\u8377\u8f6c\u79fb\u52bf\u5792\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4 NiCo2<\/sub>(O-S)4<\/sub>\u5bf9Li2<\/sub>S\u5f62\u6838\u6c89\u79ef\u7684\u4fc3\u8fdb\u4f5c\u7528<\/p>\n

NiCo2<\/sub>(O-S)4<\/sub>\u5177\u6709\u8db3\u591f\u7684\u5bfc\u7535\u6027\u548c\u5bf9LiPS\u7684\u5438\u9644\u6027\uff0c\u5b83\u5bf9Li2<\/sub>S\u7684\u6210\u6838\u4e5f\u4f1a\u663e\u793a\u51fa\u66f4\u597d\u7684\u50ac\u5316\u6548\u679c\u3002\u4e3a\u4e86\u8bc1\u660e\u8fd9\u4e00\u70b9\uff0c\u4f5c\u8005\u91c7\u7528\u6052\u7535\u4f4d\u653e\u7535\u6cd5\u8fdb\u884c\u4e86Li2<\/sub>S\u6c89\u79ef\u5b9e\u9a8c\u3002\u7ed3\u679c\u663e\u793a\uff0c\u76f8\u8f83NiCo2<\/sub>O4<\/sub>\u4e0eNiCo2<\/sub>S4<\/sub>,\uff0cNiCo2<\/sub>(O-S)4<\/sub>\u76841D\u7eb3\u7c73\u7ea4\u7ef4\u4e0a\u660e\u663e\u53ef\u6c89\u79ef\u66f4\u539a\u7684Li2<\/sub>S\u5c42\uff0c\u4e14\u5177\u6709\u6700\u9ad8\u7684Li2<\/sub>S\u5f62\u6838\u5bb9\u91cf\uff08688 mAh gs<\/sub>-1<\/sup>\uff09\uff0c\u8868\u660e\u5176\u53ef\u4ee5\u66f4\u597d\u7684\u4fc3\u8fdb\u786b\u5316\u9502\u7684\u5f62\u6838\u6c89\u79ef\u3002<\/p>\n

\u4e0d\u540c\u786b\u8f7d\u91cf\u4e0bNiCo2<\/sub>(O-S)4<\/sub>\u7eb8\u57fa\u9502\u786b\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/p>\n

\"\"<\/p>\n

\u56fe5 \u4e0d\u540c\u786b\u8d1f\u8f7d\u7684NiCo2<\/sub>(O-S)4<\/sub>\u7eb8\u57fa\u9502\u786b\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/p>\n

\u4e3a\u4e86\u8bc1\u660eNiCo2<\/sub>(O-S)4<\/sub>\u5728\u9ad8\u786b\u8d1f\u8f7d\u9502\u786b\u7535\u6c60\u4e2d\u7684\u5e94\u7528\u6f5c\u529b\uff0c\u4f5c\u8005\u6d4b\u8bd5\u4e86\u4e0d\u540c\u786b\u8f7d\u91cf\u7eb8\u57fa\u7535\u6c60\u7684\u6027\u80fd\u3002\u76f8\u5173\u7ed3\u679c\u8db3\u4ee5\u8bc1\u660e\uff1aNiCo2<\/sub>(O-S)4<\/sub>\u6539\u5584\u9502\u786b\u7535\u6c60\u6c27\u5316\u8fd8\u539f\u52a8\u529b\u5b66\u7684\u80fd\u529b\u5927\u5927\u4f18\u4e8e\u6c27\u5316\u7269\u548c\u786b\u5316\u7269\uff0c\u5bf9\u5e94\u7684\u9502\u786b\u7535\u6c60\u65e0\u8bba\u4e0b\u4f4e\u786b\u8f7d\u91cf\u8fd8\u662f\u9ad8\u786b\u8f7d\u91cf\u4e0b\uff0c\u90fd\u80fd\u5b9e\u73b0\u8f83\u597d\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u7279\u522b\u7684\uff0c3.3 mg cm-2<\/sup>\u786b\u8d1f\u8f7d\uff0846.5wt.%\uff09\u7684\u7535\u6c60\u53ef\u5b9e\u73b04.205 mAh cm-2<\/sup>\u7684\u521d\u59cb\u9762\u79ef\u5bb9\u91cf\uff0c100\u6b21\u5faa\u73af\u540e\u4ecd\u4fdd\u63013.565 mAh cm-2<\/sup>\u7684\u9762\u79ef\u5bb9\u91cf\uff08\u786b\u5229\u7528\u738773.0%\uff09\uff1b\u5c06\u786b\u8d1f\u8f7d\u91cf\u589e\u52a0\u52304.4 mg cm-2<\/sup>\uff0840.0wt.%\uff09\uff0c\u53ef\u5b9e\u73b05.77 mAh cm-2<\/sup>\u7684\u521d\u59cb\u9762\u79ef\u5bb9\u91cf\uff0c\u4e14100\u6b21\u5faa\u73af\u540e\u4ecd\u4fdd\u63014.28 mAh cm-2<\/sup>\u7684\u9762\u79ef\u5bb9\u91cf\uff08\u786b\u5229\u7528\u7387\u4e3a58.5%\uff09\u3002<\/p>\n

\u8d8a\u6765\u8d8a\u591a\u7684\u7814\u7a76\u805a\u7126\u4e8e\u9502\u786b\u7535\u6c60\u786b\u8f7d\u4f53\u7684\u5f00\u53d1\uff0c\u4ee5\u53ca\u5176\u5728\u8d2b\u7535\u89e3\u6db2\u3001\u9ad8\u9762\u79ef\u5bb9\u91cf\u9502\u786b\u7535\u6c60\u4e2d\u7684\u5e94\u7528\uff0c\u8fd9\u5c31\u8981\u6c42\u7814\u7a76\u4eba\u5458\u80fd\u591f\u5bf9\u6240\u5236\u5907\u7684\u786b\u8f7d\u4f53\u548c\u7535\u6781\u8fdb\u884c\u9002\u5f53\u7684\u6bd4\u8f83\uff0c\u6765\u6307\u5bfc\u786b\u6b63\u6781\u7684\u8fdb\u4e00\u6b65\u4f18\u5316\u8bbe\u8ba1\u3002\u56e0\u6b64\uff0c\u4f5c\u8005\u5728\u672c\u6587\u4e4b\u5916\uff0c\u547c\u5401\u63d0\u51fa\u4e00\u79cd\u53ef\u4ee5\u8bc4\u4f30\u4e0d\u540c\u786b\u6b63\u6781\u6027\u80fd\u7684\u5168\u65b0\u7684\u7ecf\u9a8c\u53c2\u6570Rcathode<\/sub>(mAh\/mgSulfur<\/sub> \u03bcLElectrolyte<\/sub>)=1.672*S\/E*Swt.%(in whole electrode)<\/sub>*Sutilization.%<\/sub>\uff0c\u4ee3\u8868\u6574\u4e2a\u786b\u6b63\u6781\uff08\u542b\u96c6\u6d41\u4f53\uff09\u57281\u03bcL\u7684\u7535\u89e3\u6db2\u4e0b\u5bf91mg\u786b\u7684\u6807\u51c6\u5316\u5229\u7528\u80fd\u529b\uff08mAh\/mgSulfur<\/sub> \u03bcLElectrolyte<\/sub>\uff09\uff0c\u8fd9\u4e4b\u4e2dS\/E\u4ee3\u8868\u4e86\u7535\u89e3\u6db2\u7528\u91cf\uff08\u4e3aE\/S\u7684\u5012\u6570\uff09\uff0cSwt.%<\/sub>\u8868\u793a\u6574\u4e2a\u7535\u6781\u4e2d\u786b\u7684\u8d28\u91cf\u542b\u91cf\uff0cSutilization.%<\/sub>\u4ee3\u8868\u7528\u6bd4\u5bb9\u91cf\/\u7406\u8bba\u5bb9\u91cf\u8ba1\u7b97\u5f97\u5230\u7684\u786b\u5229\u7528\u7387\uff0c1.672\u5219\u4e3aS\/E=1\u3001Swt.%<\/sub>=100%\u3001Sutilization.%<\/sub>=100%\u65f6\u7406\u8bba\u4e0aRcathode<\/sub>\u7684\u6700\u5927\u503c\u3002\u7136\u800c\uff0c\u7531\u4e8e\u201c\u7a7f\u68ad\u6548\u5e94\u201d\u4ee5\u53caS8<\/sub>\u548cLi2<\/sub>S2<\/sub>\/Li2<\/sub>S\u7684\u7edd\u7f18\u6027\uff0c\u76ee\u524d\u65e0\u6cd5\u5728\u8d2b\u7535\u89e3\u6db2\u9ad8\u786b\u8f7d\u91cf\u7535\u6c60\u4e2d\u5b9e\u73b0100%\u7684\u786b\u5229\u7528\u7387\u3002\u4e00\u822c\u5728300 Wh kg-1<\/sup>\u7684\u9502\u786b\u7535\u6c60\u4e2d\uff0cE\/S\u53ef\u80fd\u5c0f\u4e8e6\uff0c\u800cSwt.%<\/sub>\u548cSutilization.%<\/sub>\u53ef\u80fd\u9ad8\u4e8e60.0%\uff0c\u5219Rcathode<\/sub>\u81f3\u5c11\u9ad8\u4e8e0.1\uff0c\u786b\u6b63\u6781\u7684Rcathode<\/sub>\u503c\u8d8a\u9ad8\u4ee3\u8868\u5176\u8d8a\u9002\u5408\u7528\u4e8e\u5236\u9020\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7684\u9502\u786b\u7535\u6c60\u3002\u5728\u672c\u5de5\u4f5c\u4e2d\uff0c\u4f5c\u8005\u5728\u8d2b\u7535\u89e3\u6db2\uff083.8 \u03bcL mg-1<\/sup>\uff09\u4e0b\uff0c\u5c06\u786b\u8d1f\u8f7d\u63d0\u9ad8\u81f38.75 mg cm-2<\/sup>\u65f6\uff0c\u5bf9\u5e94\u9502\u786b\u7535\u6c60\u57280.17 mA cm-2<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u53ef\u5b9e\u73b014.05 mAh cm-2<\/sup>\u7684\u521d\u59cb\u9762\u79ef\u5bb9\u91cf\uff08\u786b\u5229\u7528\u7387\u4e3a96.0%\uff09\uff1b\u57280.67\u548c1.0 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u7535\u6c60\u6700\u540e\u4e00\u6b21\u5faa\u73af\u7684Rcathode<\/sub>\u503c\u53ef\u5206\u522b\u8fbe\u52300.13\u548c0.12\uff1b\u57281.33 mA cm-2<\/sup>\u4e0b\u5faa\u73af50\u6b21\u540e\uff0c\u7535\u6c60\u5bb9\u91cf\u4fdd\u6301\u57284.54 mAh cm-2<\/sup>\uff0c\u5bf9\u5e94\u7684Rcathode<\/sub>\u9ad8\u8fbe0.071\uff0c\u5c55\u73b0\u4e86\u8be5\u5de5\u4f5c\u5728\u540c\u7c7b\u578b\u7814\u7a76\u4e2d\u6709\u8f83\u9ad8\u7ade\u4e89\u529b\u3002Rcathode<\/sub>\u6d89\u53ca\u6574\u4e2a\u6b63\u6781\u7684\u5173\u952e\u53c2\u6570\uff0c\u4f7f\u7814\u7a76\u91cd\u70b9\u805a\u7126\u4e8e\u8d2b\u7535\u89e3\u6db2\u4ee5\u53ca\u66f4\u9ad8\u7684\u786b\u8f7d\u91cf\u4e0e\u786b\u5229\u7528\u7387\uff0c\u4f5c\u8005\u5efa\u8bae\u7528Rcathode<\/sub>\u5bf9\u76ee\u524d\u62a5\u544a\u7684\u5177\u6709\u7c7b\u4f3c\u9762\u79ef\u5bb9\u91cf\uff08\u6216\u9762\u79ef\u786b\u8d1f\u8f7d\uff09\u548c\u5145\u653e\u7535\u7535\u6d41\u5bc6\u5ea6\u7684\u786b\u6b63\u6781\u8fdb\u884c\u5b9a\u6027\u8bc4\u4f30\uff0c\u5e76\u547c\u5401\u66f4\u591a\u7684\u7814\u7a76\u4eba\u5458\u5bf9Rcathode<\/sub>\u7684\u6982\u5ff5\u8fdb\u884c\u4f18\u5316\uff0c\u4fbf\u4e8e\u540e\u7eed\u7684\u7814\u7a76\u4e2d\u66f4\u597d\u5730\u8bc4\u4f30\u786b\u6b63\u6781\u7684\u6027\u80fd\u3002<\/p>\n

\u5728\u8be5\u5de5\u4f5c\u4e2d\uff0c\u4f5c\u8005\u521b\u65b0\u6027\u5730\u63d0\u51fa\u4e86\u9ad8\u5bc6\u5ea6O\u63ba\u6742\u6750\u6599\u7684\u6982\u5ff5\uff0c\u5e76\u901a\u8fc7\u7814\u7a76\u6750\u6599\u7684\u7279\u6027\u4ee5\u53ca\u5bf9\u7535\u6c60\u7535\u6781\u50ac\u5316\u8f6c\u5316\u7684\u4f5c\u7528\uff0c\u6fc0\u52b1\u540e\u7eed\u7814\u7a76\u5bf9\u8be5\u7c7b\u6750\u6599\u8fdb\u4e00\u6b65\u63a2\u7d22\u548c\u5f00\u53d1\uff0c\u5e94\u7528\u4e8e\u4e0d\u540c\u9886\u57df\u3002\u540c\u65f6\uff0c\u4f5c\u8005\u5728\u672c\u6587\u4e4b\u5916\uff0c\u547c\u5401\u63d0\u51fa\u4e00\u4e2a\u5168\u65b0\u7684\u7ecf\u9a8c\u53c2\u6570Rcathode<\/sub>\uff0c\u4f7f\u786b\u6b63\u6781\u7684\u6027\u80fd\u8bc4\u4f30\u66f4\u52a0\u5b9e\u7528\u5316\uff0c\u4e5f\u53ef\u5bf9\u5176\u4ed6\u7535\u6781\u6750\u6599\u9886\u57df\u7684\u5bf9\u6bd4\u3001\u8bc4\u4f30\u63d0\u4f9b\u4e00\u5b9a\u542f\u53d1\u3002<\/p>\n

\u76f8\u5173\u6210\u679c\u4ee5\u201cHigh-Density Oxygen Doping of Conductive Metal Sulfides for Better Polysulfide Trapping and Li2<\/sub>S\u2010S8<\/sub> Redox Kinetics in High Areal Capacity Lithium\u2013Sulfur Batteries\u201d\u4e3a\u9898\u53d1\u8868\u5728Advanced Science\uff08Adv.Sci.2022,9,2200840 ; DOI:10.1002\/advs.202200840\uff09\u4e0a\u3002\u9655\u897f\u79d1\u6280\u5927\u5b66\u7855\u58eb\u7814\u7a76\u751f\u674e\u71da\u71da\u4e3a\u672c\u8bba\u6587\u7684\u7b2c\u4e00\u4f5c\u8005\uff0c\u7b2c\u4e00\u901a\u8baf\u4f5c\u8005\u4e3a\u9655\u897f\u79d1\u6280\u5927\u5b66\u8f7b\u5de5\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u9662\u7684\u5434\u6d77\u4f1f\u526f\u6559\u6388\u3002\u611f\u8c22\u9655\u897f\u7701\u81ea\u7136\u79d1\u5b66\u57fa\u7840\u7814\u7a76\u8ba1\u5212\u7b49\u5bf9\u672c\u5de5\u4f5c\u7684\u652f\u6301\uff0c\u7279\u522b\u611f\u8c22\u4e9a\u5229\u6851\u90a3\u5dde\u7acb\u5927\u5b66Candace K. Chan\u5728\u8bba\u6587\u6821\u7a3f\u8fc7\u7a0b\u4e2d\u7684\u652f\u6301\u3002<\/h3>\n

\u2003\u2003\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/doi.org\/10.1002\/advs.202200840<\/p>\n

\uff08\u64b0\u7a3f\u4eba<\/strong> \u4efb\u5ba3\uff09<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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