{"id":199913,"date":"2020-04-27T06:18:28","date_gmt":"2020-04-26T22:18:28","guid":{"rendered":"\/\/m.iemloyee.com\/?p=199913"},"modified":"2020-04-26T20:18:57","modified_gmt":"2020-04-26T12:18:57","slug":"%e5%a4%a9%e6%b4%a5%e5%a4%a7%e5%ad%a6nature-energy%ef%bc%9a%e7%94%b5%e8%a7%a3%e6%b6%b2%e5%8e%bb%e8%80%a6%e5%90%88%e8%8e%b7%e5%be%97%e7%a8%b3%e5%ae%9a%e3%80%81%e9%ab%98%e8%83%bd%e5%8f%af%e5%85%85","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=199913","title":{"rendered":"\u5929\u6d25\u5927\u5b66Nature Energy\uff1a\u7535\u89e3\u6db2\u53bb\u8026\u5408\u83b7\u5f97\u7a33\u5b9a\u3001\u9ad8\u80fd\u53ef\u5145\u7535\u6c34\u7cfbZn-MnO2\u7535\u6c60"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u968f\u7740\u5168\u7403\u5bf9\u5927\u578b\u50a8\u80fd\u3001\u7535\u52a8\u6c7d\u8f66\u548c\u7535\u5b50\u4ea7\u54c1\u9700\u6c42\u7684\u4e0d\u65ad\u589e\u957f\uff0c\u4e0d\u53ef\u71c3\u3001\u4f4e\u6210\u672c\u7684\u57fa\u4e8e\u6c34\u57fa\u7535\u89e3\u6db2\u7684\u7535\u6c60\u5c55\u73b0\u51fa\u5b89\u5168\u3001\u575a\u56fa\u548c\u4f4e\u6210\u672c\u7684\u4f18\u52bf\u3002\u7136\u800c\uff0c\u6c34\u6027\u7535\u6c60\u7684\u5e94\u7528\u9762\u4e34\u4e24\u4e2a\u4e25\u5cfb\u6311\u6218\uff1a\u9996\u5148\uff0c\u6c34\u6027\u7535\u6c60\u5de5\u4f5c\u7535\u538b\u548c\u80fd\u91cf\u5bc6\u5ea6\u76f8\u5bf9\u8f83\u4f4e\uff1b\u7b2c\u4e8c\uff0c\u5927\u591a\u6570\u6c34\u6027\u7535\u6c60\u90fd\u5b58\u5728\u4e0d\u5229\u7684\u526f\u53cd\u5e94\uff0c\u5bfc\u81f4\u7535\u6c60\u5faa\u73af\u7a33\u5b9a\u6027\u5dee\u3002\u867d\u7136\u78b1\u6027\u950c\u9530\u7535\u6c60\u65e9\u5df2\u5546\u4e1a\u5316\uff0c\u4f46\u662f\u53d7\u5236\u4e8e\u78b1\u6027\u64cd\u4f5c\u6761\u4ef6\uff0c\u5176\u5de5\u4f5c\u7535\u538b\u548c\u53ef\u5145\u7535\u6027\u80fd\u53d7\u5230\u9650\u5236\u3002\u5c3d\u7ba1\u78b1\u6027\u73af\u5883\u53ef\u63d0\u9ad8Zn\u8d1f\u6781\u7684\u7a33\u5b9a\u6027\uff0c\u4f46\u5176\u4e2d\u95f4\u4f53\u53ef\u9006\u6027\u5dee\u5e76\u6291\u5236\u6b63\u6781\u6027\u80fd\u3002\u6700\u8fd1\u7814\u7a76\u53d1\u73b0\u4e2d\u6027\u6216\u5f31\u9178\u6027\u6eb6\u6db2\u7684\u950c\u79bb\u5b50\u7535\u6c60\uff0c\u53ef\u4ee5\u589e\u5f3aMnO2<\/sub>\u7684\u53ef\u9006\u79bb\u5b50\uff08H+<\/sup>\u3001Zn2+<\/sup>\u548cLi+<\/sup>\uff09\u7684\u5d4c\u5165\/\u8131\u51fa\u80fd\u529b\uff0c\u63d0\u9ad8\u7535\u6c60\u7684\u53ef\u9006\u6027\u3002\u4f46\u662f\uff0c\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u4ec5\u9650\u4e8eMn4+<\/sup>\/Mn3+<\/sup>\uff0c\u901a\u8fc7\u79bb\u5b50\u63d2\u5165\u8fdb\u4e00\u6b65\u8fd8\u539f\u4e3aMn2+<\/sup>\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u7ed3\u6784\u53d8\u5316\uff0c\u964d\u4f4e\u7535\u6c60\u7684\u7a33\u5b9a\u6027\u3002\u00a0<\/strong><\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u949f\u6f84\u6559\u6388\u3001\u80e1\u6587\u5f6c\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u7b49\u4eba\u63d0\u51fa\u4e86\u4e00\u79cd\u7535\u89e3\u6db2\u53bb\u8026\u5408\u7b56\u7565\uff0c\u6765\u8c03\u63a7Zn\u8d1f\u6781\u548cMnO2<\/sub>\u6b63\u6781\u7684\u6700\u4f73\u6c27\u5316\u8fd8\u539f\u5316\u5b66\u4f5c\u7528\uff0c\u6765\u4f18\u5316Zn-MnO2<\/sub>\uff08DZMB\uff09\u7535\u6c60\u7684\u7535\u52bf\u3002\u7535\u89e3\u6db2\u89e3\u8026\u540e\uff0cDZMB\u7535\u6c60\u7684\u5f00\u8def\u7535\u538b\u53ef\u8fbe\u52302.83 V\uff0c\u5176\u5faa\u73af200 h\u540e\u7684\u5bb9\u91cf\u8870\u51cf\u53ea\u67092\uff05\u3002\u7531\u4e8eMnO2<\/sub>\u6b63\u6781\u5145\u5206\u5229\u7528\uff0cDZMB\u7535\u6c60\u8fd8\u80fd\u591f\u5728\u5404\u79cd\u7535\u6d41\u5bc6\u5ea6\u4e0b\u4fdd\u6301\u7ea6100\uff05\u7684\u5bb9\u91cf\uff0c\u83b7\u5f97\u8d85\u9ad8\u7684\u500d\u7387\u6027\u80fd\u3002\u672c\u6587\u540c\u65f6\u63a2\u7d22\u4e86DZMB\u7535\u6c60\u4e0e\u98ce\u529b\u548c\u5149\u4f0f\u6df7\u5408\u53d1\u7535\u7cfb\u7edf\u96c6\u6210\u7684\u53ef\u884c\u6027\uff0c\u8bc1\u660e\u7535\u89e3\u6db2\u53bb\u8026\u7b56\u7565\u9002\u7528\u4e8e\u5176\u4ed6\u9ad8\u6027\u80fd\u950c\u57fa\u6c34\u6027\u7535\u6c60\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>Decoupling electrolytes towards stable and high-energy rechargeable aqueous zinc-manganese dioxide batteries<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Energy<\/strong>\u4e0a\u3002\u00a0<\/strong><\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u00a0<\/strong>1 Zn-MnO2<\/sub><\/strong>\u7535\u6c60\u7684\u5de5\u4f5c\u673a\u7406\u793a\u610f\u56fe<\/strong><\/p>\n \u00a0 \u56fe\u00a0<\/strong>2 DZMB<\/strong>\u7684\u7535\u5316\u5b66\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09\u5728100-1000 mA g-1<\/sup>\u4e0b\uff0cDZMB\u7684\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08b\uff09DZMB\u8fde\u7eed\u5faa\u73af200h\u7684\u6027\u80fd\u56fe\uff1b<\/p>\n \uff08c\uff09\u5145\u753510-100\uff05\u72b6\u6001\u4e0b\uff0cDZMB\u7684\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08d\uff09\u57283 V\u4e0b\uff0cDZMB\u7684\u500d\u7387\u6027\u80fd\u56fe\u3002\u00a0<\/strong><\/p>\n \u56fe\u00a0<\/strong>3 DZMB<\/strong>\u4e2d<\/strong>MnO2<\/sub><\/strong>\u6b63\u6781\u7684\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09\u5728200 mA g-1<\/sup>\u53ca3V\u65f6\uff1a\u653e\u7535\u524d\uff08i\uff09\uff0cDOD\u653e\u7535~20\uff05\uff08ii\uff09\uff0c~40\uff05\uff08iii\uff09\uff0c~60\uff05\uff08iv\uff09\uff0c~80\uff05\uff08v\uff09\u548c~100\uff05\uff08vi\uff09\u540eMnO2<\/sub>\u6b63\u6781\u7684SEM\u56fe\u50cf\uff1b\u4ee5\u53ca\u5728DOC\u5145\u7535~20\uff05\uff08vii\uff09\uff0c~40\uff05\uff08viii\uff09\uff0c~60\uff05\uff08ix\uff09\uff0c~80\uff05\uff08x\uff09\u548c~100\uff05\uff08xi\uff09\u540e\u7684SEM\u56fe\u50cf\uff1b<\/p>\n \uff08b-d\uff09\u7535\u6781\u4e0a\u539f\u4f4d\u6c89\u79efMnO2<\/sub>\u7684TEM\u56fe\u50cf (b)\uff0cHRTEM\u56fe\u50cf (c) \u548c\u76f8\u5e94\u884d\u5c04FFT\u56fe\uff08d\uff09\u3002\u00a0<\/strong><\/p>\n \u56fe\u00a0<\/strong>4 DZMB<\/strong>\u4e2d<\/strong>MnO2<\/sub><\/strong>\u6b63\u6781\u7684\u76f8\u548c\u8868\u9762\u5316\u5b66\u7279\u5f81<\/strong><\/p>\n \uff08a\uff09\u5728200 mA g-1<\/sup>\u53ca3 V\u65f6\uff0c\u5728DZMB\u7684\u4e0d\u540c\u653e\u7535\uff08\u9876\u90e8\uff09\u548c\u5145\u7535\uff08\u5e95\u90e8\uff09\u72b6\u6001\u4e0bMnO2<\/sub>\u6b63\u6781\u7684PXRD\u56fe\u8c31\uff1b<\/p>\n \uff08b-d\uff09MnO2<\/sub>\u7684\u9ad8\u5206\u8fa8\u7387XPS\u5149\u8c31\uff1aMn 2p\uff08b\uff09\uff0cO 1s\uff08c\uff09\u548cC 1s\u3002\u00a0<\/strong><\/p>\n \u56fe\u00a0<\/strong>5 MnO2<\/sub><\/strong>\u6b63\u6781\u5faa\u73af\u8fc7\u7a0b\u7684\u539f\u4f4d\u8868\u5f81\u53ca\u5de5\u4f5c\u673a\u7406<\/strong><\/p>\n \uff08a\uff09\u5728200 mA g-1<\/sup>\u4e0b\uff0cDZMB\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\uff0cMnO2<\/sub>\u6b63\u6781\u7684\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u4ee5\u53ca\u5176\u76f8\u5e94\u653e\u7535\/\u5145\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08b\uff09ICP-OES\u5728DZMB\u653e\u7535\u548c\u5145\u7535\u7684\u4e0d\u540c\u9636\u6bb5\u7535\u89e3\u6db2\u4e2dMn\u79bb\u5b50\u6d53\u5ea6\u7684\u7406\u8bba\u548c\u5b9e\u9a8c\u503c\uff1b<\/p>\n \uff08c\uff09DFT\u7814\u7a76H*\u8868\u9762\u8986\u76d6\u5bf9\u03b5-MnO2<\/sub>\uff08100\uff09\u8868\u9762\u4e0a\u7684\u6c27\u7a7a\u4f4d\u5f62\u6210\u80fd\u7684\u5f71\u54cd\uff1b<\/p>\n \uff08d\uff09pCOHP\u5206\u6790\u5e26\u6709\u6c27\u7a7a\u4f4d\u7684\u03b5-MnO2<\/sub>\uff08100\uff09\u8868\u9762\u4e0a\u4e0d\u9971\u548cMn\u4e0e\u76f8\u90bb\u539f\u5b50\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u00a0<\/strong><\/p>\n \u56fe\u00a0<\/strong>6 DZMB<\/strong>\u7684\u5e94\u7528\u63a2\u7d22<\/strong><\/p>\n \uff08a\uff09150 mA\u5355\u4e2aDZMB\uff0c150 mA\u4e24\u4e2aDZMB\u7684\u4e32\u8054\u4ee5\u53ca300 mA\u4e24\u4e2aDZMB\u7684\u5e76\u8054\u7684\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08b\uff09DZMB\u4e0e\u5df2\u62a5\u9053\u7684\u53ef\u5145\u7535Zn-Mn\u6c27\u5316\u7269\u57fa\u7535\u6c60\u7684\u6027\u80fd\u6bd4\u8f83\u56fe\uff1b<\/p>\n \uff08c\uff09DZMB\u6570\u636e\u5305\u7684\u53ef\u518d\u751f\u80fd\u6e90\u5b58\u50a8\u6f14\u793a\u7cfb\u7edf\u7684\u6570\u636e\u3002\u00a0<\/strong><\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u672c\u6587\u901a\u8fc7\u7535\u89e3\u6db2\u53bb\u8026\u5408\u7b56\u7565\uff0c\u5f00\u53d1\u9ad8\u8fbe2.83 V\u7684Zn-MnO2<\/sub>\u7535\u6c60\uff0c\u8be5\u7535\u6c60\u53ef\u4ee5\u5728\u5404\u79cd\u5145\u7535\u72b6\u6001\u4e0b\u63d0\u4f9b\u7a33\u5b9a\u7684\u653e\u7535\u5e73\u53f0\u3002DZMB\u53ef\u4ee5\u5b9e\u73b0MnO2<\/sub>\u7684\u4e24\u7535\u5b50\u53cd\u5e94\uff0c\u51e0\u4e4e\u5b8c\u5168\u5229\u7528\u4e86\u8d1f\u8f7d\u7684MnO2<\/sub>\uff0c\u63d0\u4f9b\u7684\u6bd4\u5bb9\u91cf\u51e0\u4e4e\u4e0e\u7406\u8bba\u503c617 mAh g-1<\/sup>\u4e00\u81f4\u3002\u6b64\u5916\uff0c\u7535\u89e3\u6db2\u89e3\u8026\u8bbe\u8ba1\u6781\u5927\u5730\u63d0\u9ad8\u4e86DZMB\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u5728\u5faa\u73af200h\u4ecd\u8868\u73b0\u51fa\u7a33\u5b9a\u7684\u6027\u80fd\u3002\u5f97\u76ca\u4e8e\u9ad8\u7684\u6bd4\u5bb9\u91cf\u548c\u9ad8\u7684\u7535\u6c60\u7535\u538b\uff0cDZMB\u53ef\u4ee5\u63d0\u4f9b1621.7 WhkgMnO<\/sub>2<\/sub>-1<\/sup>\u7684\u9ad8\u6bd4\u80fd\u91cf\u5bc6\u5ea6\u3002\u57fa\u4e8e\u7535\u6c89\u79efMnO2<\/sub>\u3001\u78b3\u96c6\u7535\u5668\u3001\u950c\u7b94\u3001\u6240\u6709\u7535\u89e3\u6db2\u548c\u79bb\u5b50\u4ea4\u6362\u819c\u7684\u603b\u91cd\u91cf\uff0c\u5bb9\u91cf\u4e3a3.33 Ah\u7684DZMB\u539f\u578b\u53ef\u63d0\u4f9b90 Wh kgcell<\/sub>-1<\/sup>\u7684\u7535\u6c60\u80fd\u91cf\u5bc6\u5ea6\uff0c\u8d85\u8d8a\u4e86\u4f20\u7edf\u7684\u5546\u4e1a\u5316\u6c34\u6027\u7535\u6c60\u3002\u901a\u8fc7\u4e0e\u98ce\u529b\u548c\u5149\u4f0f\u6df7\u5408\u53d1\u7535\u7cfb\u7edf\u7684\u96c6\u6210\uff0cDZMB\u5c55\u793a\u4e86\u5927\u89c4\u6a21\u53ef\u518d\u751f\u80fd\u6e90\u5b58\u50a8\u7684\u6f5c\u529b\u3002\u8fd9\u79cd\u7535\u89e3\u6db2\u53bb\u8026\u7b56\u7565\u4e3a\u8bbe\u8ba1\u9ad8\u7535\u538b\u548c\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7684\u950c\u57fa\u6c34\u7cfb\u7535\u6c60\u63d0\u4f9b\u4e86\u6307\u5bfc\uff0c\u5bf9\u4e8e\u53d1\u73b0\u5148\u8fdb\u7684\u7535\u5316\u5b66\u5b58\u50a8\u7cfb\u7edf\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u00a0<\/strong><\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Decoupling electrolytes towards stable and high-energy rechargeable aqueous zinc-manganese dioxide batteries<\/strong><\/a>\uff08Nature Energy, 2020, DOI: 10.1038\/s41560-020-0584-y\uff09\u3002<\/p>\n<\/strong><\/p>\n
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