{"id":119387,"date":"2017-12-30T06:30:31","date_gmt":"2017-12-29T22:30:31","guid":{"rendered":"\/\/m.iemloyee.com\/?p=119387"},"modified":"2017-12-30T15:49:28","modified_gmt":"2017-12-30T07:49:28","slug":"%e8%8b%8f%e5%b7%9e%e5%a4%a7%e5%ad%a6%e7%be%8e%e5%9b%bd%e9%98%bf%e8%b4%a1%e5%9b%bd%e5%ae%b6%e5%ae%9e%e9%aa%8c%e5%ae%a4%ef%bc%9a%e9%9d%9e%e6%99%b6mos3%e4%bd%9c%e4%b8%ba%e5%ae%a4%e6%b8%a9%e6%9d%a1","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=119387","title":{"rendered":"\u82cf\u5dde\u5927\u5b66&\u7f8e\u56fd\u963f\u8d21\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\uff1a\u975e\u6676MOS3\u4f5c\u4e3a\u5ba4\u6e29\u6761\u4ef6\u4e0bLi-S\u548cNa-S\u7535\u6c60\u786b\u5f53\u91cf\u6b63\u6781\u6750\u6599"},"content":{"rendered":"

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

\u76ee\u524dLi-S\u548cNa-S\u7535\u6c60\u5b58\u5728\u7684\u95ee\u9898\u4e3b\u8981\u662f\u5176\u7535\u6c60\u53cd\u5e94\u4e2d\u5b58\u5728\u591a\u786b\u4e2d\u95f4\u4f53\uff0c\u5c3d\u7ba1\u8fd1\u5e74\u6765\u4eba\u4eec\u4e0d\u65ad\u81f4\u529b\u4e8e\u5728\u6b63\u6781\u8868\u9762\u4e0a\u4fee\u9970\u5404\u79cd\u529f\u80fd\u6750\u6599\uff0c\u4ee5\u6355\u83b7\u591a\u786b\u5316\u7269\u51cf\u5c11\u5f71\u54cd\uff0c\u4f46\u4ecd\u65e7\u65e0\u6cd5\u5f7b\u5e95\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002\u5f00\u53d1\u5177\u6709\u9ad8\u6027\u80fd\u3001\u9ad8\u5bb9\u91cf\u3001\u9ad8\u7a33\u5b9a\u6027\u540c\u65f6\u7535\u6781\u53cd\u5e94\u4e2d\u5c11\u6709\u751a\u81f3\u4e0d\u4ea7\u751f\u4e2d\u95f4\u591a\u786b\u5316\u7269\u7684\u6b63\u6781\u7535\u6781\u6750\u6599\u6210\u4e3a\u76ee\u524d\u786b\u7535\u6c60\u9886\u57df\u7684\u91cd\u8981\u53d1\u5c55\u9700\u6c42\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u82cf\u5dde\u5927\u5b66\u674e\u5f66\u5149\u6559\u6388\u4e0e\u7f8e\u56fd\u963f\u8d21\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u9646\u4fca\uff08\u901a\u8baf\u4f5c\u8005\uff09\u5408\u4f5c<\/strong>\uff0c\u5728Li-S\u53caNa-S\u7535\u6c60\u6b63\u6781\u6750\u6599\u5f00\u53d1\u9886\u57df\u53d6\u5f97\u91cd\u8981\u8fdb\u5c55\uff0c\u5e76\u5728P. Natl. Acad. Sci.<\/strong>\u53d1\u8868\u9898\u4e3a\u201cAmorphous MoS3<\/sub> as the sulfur-equivalent cathode material for room-temperature Li\u2013S and Na\u2013S batteries<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u8005\u63d0\u51fa\u4e86\u786b\u5f53\u91cf\u6b63\u6781\u6750\u6599\u7684\u6982\u5ff5\uff0c\u5e76\u5c55\u793a\u4e86\u975e\u6676\u6001MoS3<\/sub>\u4f5c\u4e3a\u5ba4\u6e29\u4e0bLi-S\u548cNa-S\u7535\u6c60\u6750\u6599\u7684\u5de8\u5927\u6f5c\u529b\u3002\u5728Li-S\u7535\u6c60\u4e2d\uff0cMoS3<\/sub>\u663e\u793a\u51fa\u7c7b\u4f3c\u786b\u7684\u884c\u4e3a\uff0c\u5177\u6709\u5927\u7684\u53ef\u9006\u6bd4\u5bb9\u91cf\uff0c\u540c\u65f6\u5176\u4f18\u5f02\u7684\u5faa\u73af\u5bff\u547d\u4e3a\u5b9e\u73b0\u9ad8\u5bb9\u91cf\u63d0\u4f9b\u53ef\u80fd\u6027\u3002\u5c24\u5176\u4ee4\u4eba\u6b23\u559c\u7684\u662f\uff0c\u572855\u2103\u7684\u8f83\u9ad8\u6e29\u5ea6\u4e0b\uff0c\u5176\u5728\u78b3\u9178\u76d0\u7535\u89e3\u8d28\u4e2d\u4e5f\u662f\u5b8c\u5168\u53ef\u5faa\u73af\u7684\u3002MoS3<\/sub>\u4e5f\u53ef\u4ee5\u7528\u4f5c\u66f4\u5177\u6311\u6218\u6027\u7684Na-S\u7535\u6c60\u7684\u6b63\u6781\u6750\u6599\uff0c\u4ee5\u5b9e\u73b0\u826f\u597d\u7684\u5bb9\u91cf\u548c\u8f83\u597d\u7684\u5faa\u73af\u5bff\u547d\u3002\u901a\u8fc7X\u5c04\u7ebf\u5438\u6536\u5149\u8c31\uff08XAS\uff09\u5b9e\u9a8c\u53ef\u4ee5\u8ffd\u8e2aMoS3<\/sub>\u7684\u7ed3\u6784\u6f14\u53d8\u2014\u5728\u91cd\u590d\u7535\u6c60\u5faa\u73af\u671f\u95f4\uff0c\u5927\u90e8\u5206MoS3<\/sub>\u4fdd\u7559\u5176\u539f\u6709\u94fe\u72b6\u7ed3\u6784\u800c\u4e0d\u4ea7\u751f\u4efb\u4f55\u6e38\u79bb\u7684\u591a\u786b\u5316\u7269\u4e2d\u95f4\u4f53\u3002<\/p>\n

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

\u56fe<\/strong>1 <\/strong>\u5c42\u72b6<\/strong>MoS3<\/sub><\/strong>\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u3000MoS2\u5728 50 mA \/ g\u4e0b1.2\u52303 V\u7684\u6052\u7535\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

(B)\u3000MoS2\u6052\u7535\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff0c\u5176\u521d\u59cb\u5faa\u73af\u57280.01\u548c3V\u4e4b\u95f4\uff08\u6d3b\u5316\u8fc7\u7a0b\uff09\uff0c\u968f\u540e\u57281.2\u548c3V\u4e4b\u95f4\u5faa\u73af\uff0850mA \/ g\uff09\uff1b<\/p>\n

\u4ee5\u4e0a\u4e24\u79cd\u6d4b\u8bd5\u6761\u4ef6\u4e0b\uff0c\u5c42\u72b6\u7684MoS2\u5747\u8868\u73b0\u51fa\u5c0f\u7684\u6709\u7528\u5bb9\u91cf\uff1b<\/p>\n

\u56fe<\/strong>2 MoS3<\/sub><\/strong>\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u3000XRD\u56fe(\u63d2\u56fe-1D \u94fe\u72b6MoS3<\/sub>\u7ed3\u6784\u793a\u610f)\uff1b<\/p>\n

(B)\u3000\u62c9\u66fc\u5149\u8c31\uff1b<\/p>\n

(C)\u3000S 2p XPS\u8c31\uff1b<\/p>\n

(D\u548cE)\u3000\u4e0d\u540c\u653e\u5927\u500d\u7387\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

(F)\u3000MoS3<\/sub>\u7684TGA\u66f2\u7ebf\uff1b<\/p>\n

\u56fe<\/strong>3 MoS3<\/sub><\/strong>\u4f5c\u4e3a<\/strong>Li-S<\/strong>\u7535\u6c60\u786b\u5f53\u91cf\u6b63\u6781\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u30000.1mV \/ s\u626b\u63cf\u901f\u7387\u4e0bCV\u66f2\u7ebf\uff1b<\/p>\n

(B)\u300023mA \/ g\u65f6\u6052\u7535\u6d41\u5145\u653e\u7535\u66f2\u7ebf-\u5c06\u6bd4\u5bb9\u91cf\u5f52\u4e00\u5316\u4e3aMoS3<\/sub>\u7684\u603b\u8d28\u91cf(\u5e95\u90e8x\u8f74)\u6216MoS3<\/sub>\u4e2dS\u7684\u8d28\u91cf(\u9876\u90e8x\u8f74)\uff1b<\/p>\n

(C)\u30000.45A \/ g\u65f6\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u76f8\u5e94\u7684\u5e93\u4ed1\u6548\u7387\uff1b<\/p>\n

(D)\u3000\u4ece0.09\u52309A \/ g\u7684\u901f\u7387\u80fd\u529b\uff1b<\/p>\n

(E)\u3000\u524d\u51e0\u4e2a\u5faa\u73af\u4e2d\u9ad8\u8d1f\u8f7d\u7535\u6781(6.9mg \/ cm 2<\/sup>)\u57280.1mA \/ cm 2<\/sup>\u4e0b\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u4ee5\u53ca\u968f\u540e\u63d0\u9ad8\u81f30.5mA \/ cm 2<\/sup>\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff1b<\/p>\n

(F)\u30000.45A \/ g\u53ca55\u2103\u78b3\u9178\u76d0\u7535\u89e3\u8d28\u4e2d\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u76f8\u5e94\u7684\u5e93\u4ed1\u6548\u7387\uff1b<\/p>\n

\u56fe<\/strong>4<\/strong> Operando<\/em> XAS\u7814\u7a76MoS3<\/sub>\u4f5c\u4e3aLi-S\u7535\u6c60\u786b\u5f53\u91cf\u6b63\u6781\u6750\u6599<\/p>\n

\"\"<\/p>\n

(A)\u3000\u9502\u5316\u8fc7\u7a0b\u4e2dMo\u7684 K\u8fb9\u7f18\u6f14\u53d8XANES\u8c31\uff1b<\/p>\n

(B)\u3000\u4e0eMoS2<\/sub>\u548c\u91d1\u5c5eMo\u76f8\u6bd4\uff0cMoS3<\/sub>\u5728\u9502\u5316\u548c\u8131\u9502\u8fc7\u7a0b\u4e2d\u7684\u5085\u91cc\u53f6\u53d8\u6362Mo K-\u8fb9\u7f18EXAFS\u5149\u8c31(\u63d2\u56fe)\u653e\u5927\u7684\u56fe\u50cf\u663e\u793a\u5728\u7535\u6c60\u5faa\u73af\u8fc7\u7a0b\u4e2dMo-S\u952e\u957f\u5ea6\u7684\u8f7b\u5fae\u53d8\u5316\uff1b<\/p>\n

(C)\u3000\u9502\u5316\u8fc7\u7a0b\u4e2dS K\u8fb9\u7f18\u6f14\u53d8XANES\u8c31\uff1b<\/p>\n

(D)\u3000\u9502\u5316MoS3<\/sub>\u94fe\u4e2d\u7684\u6a21\u62df\u7535\u8377\u5bc6\u5ea6\u5206\u5e03\uff0c\u9752\u8272\uff0c\u84dd\u8272\u548c\u9ec4\u8272\u7403\u5206\u522b\u4ee3\u8868Li\uff0cMo\u548cS\u539f\u5b50\uff0c\u800c\u7eff\u8272\u548c\u7816\u7ea2\u8272\u533a\u57df\u8868\u793a\u7535\u5b50\u7684\u8017\u5c3d\u548c\u79ef\u7d2f\uff1b<\/p>\n

\u56fe<\/strong>5 MoS3<\/sub><\/strong>\u4f5c\u4e3a<\/strong>Na-S<\/strong>\u7535\u6c60\u786b\u5f53\u91cf\u6b63\u6781\u6750\u6599\u7684\u7535\u5316\u5b66\u6027\u80fd\u548c<\/strong>Operando <\/em><\/strong>XAS<\/strong>\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u300023mA \/ g\u4e0b\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

(B)\u30000.45A \/ g\u4e0b\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u76f8\u5e94\u7684\u5e93\u4ed1\u6548\u7387\uff1b<\/p>\n

(C)\u30000.09\u52309A \/ g\u7684\u901f\u7387\u80fd\u529b\uff1b<\/p>\n

(D)\u3000\u5728\u524d\u51e0\u4e2a\u5faa\u73af\u4e2d\u9ad8\u8d1f\u8f7d\u7535\u6781(7.1mg \/ cm 2<\/sup>)\u57280.1mA \/ cm 2<\/sup>\u4e0b\u4ee5\u53ca\u968f\u540e\u589e\u52a0\u81f30.5mA \/ cm 2<\/sup>\u7535\u6781\u5faa\u73af\u7a33\u5b9a\u6027\uff1b<\/p>\n

(E\u548cF)\u3000Mo K-edge\u548cS K-edge\u6f14\u53d8 XANES\u8c31\uff1b<\/p>\n

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

\u672c\u7814\u7a76\u5c55\u793a\u4e86\u65e0\u5b9a\u5f62\u94fe\u72b6MoS3<\/sub>\u4f5c\u4e3a\u5ba4\u6e29\u786b\u7535\u6c60\u7684\u786b\u5f53\u91cf\u6b63\u6781\u6750\u6599\u7684\u4f18\u8d28\u6027\u80fd\u3002\u6b64\u5916\uff0c\u8be5\u7535\u6781\u5728\u6c34\u6eb6\u6db2\u4e2d\u901a\u8fc7\u9178\u6c89\u6dc0\u6cd5\u5c31\u53ef\u4ee5\u83b7\u5f97\uff0c\u5236\u5907\u65b9\u6cd5\u7b80\u5355\u3002\u5728Li-S\u7535\u6c60\u4e2d\uff0cMoS3<\/sub>\uff08\u63a5\u8fd1\u786b\uff09\u76f8\u5bf9\u4e8eLi +<\/sup> \/ Li\u8868\u73b0\u51fa\u7ea61.1V\u7684\u653e\u7535\u5e73\u53f0\uff0c\u8f83\u9ad8\u7684\u53ef\u9006\u6bd4\u5bb9\u91cf\uff0c\u4f18\u5f02\u7684\u5faa\u73af\u5bff\u547d\u4ee5\u53ca\u9ad8\u7684\u533a\u57df\u5bb9\u91cf\u3002XAS\u6570\u636e\u8868\u660eMoS3<\/sub>\u7684\u91cd\u590d\u9502\u5316\u548c\u8131\u9502\u4e0d\u4f1a\u5f15\u8d77\u663e\u8457\u7684Mo-S\u952e\u65ad\u88c2\u6216Mo-Mo\u952e\u5f62\u6210\u3002MoS3<\/sub>\u4e5f\u88ab\u7528\u4f5cNa-S\u7535\u6c60\u7684\u6b63\u6781\u6750\u6599\uff0c\u4e5f\u8868\u73b0\u51fa\u826f\u597d\u7684\u7535\u6c60\u5bb9\u91cf\u548c\u5faa\u73af\u5bff\u547d\u3002\u672c\u7814\u7a76\u4e3a\u9502\u786b\u3001\u94a0\u786b\u7b49\u7535\u6c60\u9ad8\u6027\u80fd\u6b63\u6781\u6750\u6599\u7684\u5f00\u53d1\u4e0e\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u91cd\u8981\u9014\u5f84\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aAmorphous MoS3<\/sub> as the sulfur-equivalent cathode material for room-temperature Li\u2013S and Na\u2013S batteries<\/a> (P. Natl. Acad. Sci., 2017, doi: 10.1073\/pnas.1711917114)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u8fde\u5a77\u5a77\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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

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