{"id":167423,"date":"2019-02-19T06:30:26","date_gmt":"2019-02-18T22:30:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=167423"},"modified":"2019-02-18T14:04:42","modified_gmt":"2019-02-18T06:04:42","slug":"%e6%b7%b1%e5%9c%b3%e5%a4%a7%e5%ad%a6journal-of-power-sources%e5%96%b7%e9%9b%be%e5%b9%b2%e7%87%a5%e6%b3%95%e5%88%b6%e5%a4%87%e6%b6%b2%e6%80%81%e8%81%9a%e4%b8%99%e7%83%af%e8%85%88%e6%8e%ba","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=167423","title":{"rendered":"\u6df1\u5733\u5927\u5b66Journal\u00a0of Power Sources:\u55b7\u96fe\u5e72\u71e5\u6cd5\u5236\u5907\u6db2\u6001\u805a\u4e19\u70ef\u8148\u63ba\u6742\u7684LiNi0.8Co0.15Al0.05O2\u7528\u4f5c\u9502\u79bb\u5b50\u7535\u6781\u6750\u6599"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u968f\u7740\u7535\u52a8\u6c7d\u8f66\u7684\u65e5\u6e10\u666e\u53ca\uff0c\u5bf9\u9ad8\u5bb9\u91cf\u9502\u79bb\u5b50\u7535\u6c60\u7684\u9700\u6c42\u8d8a\u6765\u8d8a\u5927\u3002LiNiO2<\/sub>\u662f\u4f20\u7edf\u7684\u9502\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u6750\u6599\uff0c\u4f46\u5176\u5bb9\u91cf\u4f4e\u3001\u5faa\u73af\u6027\u80fd\u5dee\uff0c\u9700\u8981\u63ba\u6742\u4e00\u5b9a\u6bd4\u4f8b\u7684Co\u6216Al\u4ee5\u63d0\u5347\u5176\u70ed\u529b\u5b66\u7a33\u5b9a\u6027\u548c\u7535\u5316\u5b66\u6027\u80fd\u3002\u76f8\u5bf9\u800c\u8a00\uff0cCo\u7684\u4f7f\u7528\u66f4\u4e3a\u5e7f\u6cdb\uff0c\u5f88\u591a\u6b63\u6781\u6750\u6599\u90fd\u5305\u542bNi\u548cCo\uff0c\u5982LiNi0.8<\/sub>Co0.10<\/sub>Mn0.1<\/sub>O2<\/sub>\uff08NCM\uff09\u3001LiNi0.8<\/sub>Co0.15<\/sub>Al0.05<\/sub>O2<\/sub>\uff08NCA\uff09\u3001\u548cLix<\/sub>Ni1-y<\/sub>My<\/sub>O2<\/sub>\u00a0(1-y>0.6,\u00a0M=Co, Mn, Al, Mg)\u7b49\u3002\u8fd9\u4e9b\u6b63\u6781\u6750\u6599\u7531\u4e8e\u5bccNi\u800c\u5177\u6709\u8f83\u9ad8\u7684\u5bb9\u91cf\u548c\u80fd\u91cf\u5bc6\u5ea6\uff0c\u540c\u65f6\u5177\u6709\u4ef7\u683c\u4f4e\u5ec9\u3001\u73af\u5883\u53cb\u597d\u7b49\u4f18\u70b9\uff0c\u56e0\u6b64\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\u3002\u5176\u4e2d\uff0cLiNi0.8<\/sub>Co0.15<\/sub>Al0.05<\/sub>O2<\/sub>\uff08NCA\uff09\u5df2\u6210\u529f\u5b9e\u73b0\u4e86\u5546\u4e1a\u5316\u5e94\u7528\uff0c\u5176\u5bb9\u91cf\u9ad8\u4e8e200 mA h g\u22121<\/sup>\u3002\u672c\u8bfe\u9898\u7ec4\u5728\u524d\u671f\u7814\u7a76\u4e2d\u4e5f\u83b7\u5f97\u4e86\u7c7b\u77f3\u58a8\u70ef\u5305\u8986[Li0.1<\/sub>Ni0.45<\/sub>Mn0.45<\/sub>]O2<\/sub>\u6b63\u6781\u6750\u6599\uff0c\u5bb9\u91cf\u9ad8\u8fbe210 mA h g\u22121<\/sup>\u3002<\/p>\n \u5c3d\u7ba1NCA\u4f5c\u4e3a\u6b63\u6781\u6750\u6599\u5df2\u7ecf\u5f97\u5230\u4e86\u4e00\u5b9a\u7684\u5e94\u7528\uff0c\u4f46\u4ecd\u5b58\u5728\u4ee5\u4e0b\u7f3a\u70b9\uff1a\uff081\uff09\u751f\u4ea7\u5236\u5907\u5de5\u827a\u9700\u8981\u8fdb\u4e00\u6b65\u4f18\u5316\u3002\u76ee\u524d\u5de5\u4e1a\u4e0a\u5236\u5907NCA\u4e3b\u8981\u7528\u4e24\u6b65\u6cd5\uff0c\u5305\u62ec\u91d1\u5c5e\u76d0\u7684\u5171\u6c89\u79ef\u548c\u9502\u6e90\u7684\u6dfb\u52a0\u3002\u7531\u4e8e\u4e0d\u540c\u91d1\u5c5e\u79bb\u5b50\u7684\u6eb6\u5ea6\u79ef\uff08Ksp<\/sub>\uff09\u5dee\u5f02\u8f83\u5927\uff0c\u56e0\u6b64\u96be\u4ee5\u5236\u5907\u5f97\u5230\u5747\u5300\u7684\u524d\u9a71\u7269\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u5728\u5171\u6c89\u6dc0\u65f6\u9700\u5927\u91cf\u4f7f\u7528\u9178\u3001\u78b1\u6eb6\u6db2\uff0c\u4f1a\u5e26\u6765\u4e25\u91cd\u7684\u73af\u5883\u95ee\u9898\uff1b\uff082\uff09\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u9700\u8fdb\u4e00\u6b65\u52a0\u5f3a\u3002\u7531\u4e8eLi+<\/sup>\u7684\u534a\u5f84\uff080.76\u00a0\u00c5\uff09\u4e0eNi2+<\/sup>\uff080.69 \u00c5\uff09\u76f8\u8fd1\uff0c\u56e0\u6b64NCA\u6b63\u6781\u6750\u6599\u5728\u7ed3\u6676\u548c\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u6613\u5f62\u6210\u9633\u79bb\u5b50\u6df7\u6392\uff0c\u4ece\u800c\u5f71\u54cd\u6750\u6599\u5faa\u73af\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n \u3010\u6210\u679c\u4ecb\u7ecd\u3011<\/strong><\/p>\n \u6700\u8fd1\uff0c\u6df1\u5733\u5927\u5b66\u5218\u5251\u6d2a\u8bfe\u9898\u7ec4<\/b><\/strong>\u5f00\u53d1\u4e86\u4e00\u79cd\u65b0\u9896\u7b80\u4fbf\u7684\u55b7\u96fe\u5e72\u71e5\u6cd5\u5236\u5907\u6db2\u6001\u805a\u4e19\u70ef\u8148\uff08liquid polyacrylonitrile\uff0cLPAN\uff09\u63ba\u6742\u7684LiNi0.8<\/sub>Co0.15<\/sub>Al0.05<\/sub>O2<\/sub>\uff08LPAN@NCA\uff09\u7528\u4f5c\u9502\u79bb\u5b50\u7535\u6c60\u6750\u6599\u3002\u8be5\u6750\u6599\u5177\u6709\u591a\u5b54\u7403\u72b6\u7ed3\u6784\uff0c\u521d\u6b21\u653e\u7535\u6bd4\u5bb9\u91cf\u57280.1 C\u500d\u7387\u65f6\u8fbe\u5230227.9 mA h g\u22121<\/sup>\uff0c\u6bd4\u672a\u63ba\u6742LPAN\u7684NCA\u9ad8\u51fa26.6%\u3002LPAN@NCA\u5728\u5faa\u73af200\u5708\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u53ef\u8fbe93.59%\uff0c\u5e76\u4e14\u5faa\u73af\u540e\u6750\u6599\u7684\u5f62\u8c8c\u4fdd\u6301\u4e0d\u53d8\u3002X\u5c04\u7ebf\u884d\u5c04\u5206\u6790\u8868\u660e\uff0c\u63ba\u6742LPAN\u53ef\u4ee5\u6709\u6548\u51cf\u5c11Ni2+<\/sup>\u5360\u636eLi+<\/sup>\u4f4d\u7f6e\u7684\u6df7\u6392\u81f32.72%\uff0c\u540c\u65f6\u63d0\u5347Li+<\/sup>\u7684\u8fc1\u79fb\u7387\u3002<\/p>\n \u56e0\u6b64\uff0c\u55b7\u96fe\u5e72\u71e5\u6cd5\u662f\u4e00\u79cd\u7b80\u5355\u3001\u6709\u6548\u7684\u6750\u6599\u5236\u5907\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5927\u89c4\u6a21\u5de5\u4e1a\u5316\u751f\u4ea7\u3002\u5236\u5907\u5f97\u5230\u7684LPAN@NCA\u5177\u6709\u9ad8\u6bd4\u5bb9\u91cf\u3001\u4f18\u5f02\u7684\u500d\u7387\u6027\u80fd\u4ee5\u53ca\u51fa\u8272\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u5177\u6709\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n \u8be5\u6210\u679c\u4ee5\u201cEnhancing the electrochemical performance of LiNi0.8<\/sub>Co0.15<\/sub>Al0.05<\/sub>O2<\/sub>\u00a0by a\u00a0facile doping method: Spray-drying doping with liquid polyacrylonitrile\u201d\u4e3a\u9898\u53d1\u8868\u5728\u671f\u520aJournal of Power Sources\u4e0a\uff0c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u6df1\u5733\u5927\u5b66\u5316\u5b66\u4e0e\u73af\u5883\u5de5\u7a0b\u5b66\u9662\u7855\u58eb\u7814\u7a76\u751f\u6842\u7ecd\u667a\uff0c\u5171\u540c\u901a\u8baf\u4f5c\u8005\u4e3a\u6df1\u5733\u5927\u5b66\u5316\u5b66\u4e0e\u73af\u5883\u5de5\u7a0b\u5b66\u9662\u5218\u5251\u6d2a\u6559\u6388\u548c\u5353\u6d77\u6d9b\u7279\u8058\u526f\u7814\u7a76\u5458\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1<\/p>\n \uff08a\uff09\u4e0d\u540cLPAN\u542b\u91cf\u524d\u9a71\u4f53\u7684\u70ed\u91cd\u66f2\u7ebf\u548c\uff08b\uff09\u4e0d\u540cLPAN\u542b\u91cf\u7684\u6837\u54c1\u7684XRD\u8c31\u3002<\/p>\n \u56fe2 \u4e0d\u540cLPAN\u542b\u91cf\u7684\u6837\u54c1\u7684XRD rietveld\u7cbe\u4fee\u8c31\u56fe<\/p>\n a)\u00a0NCA-0; b) NCA-15; c) NCA-20; d) NCA-25.<\/p>\n \u56fe3<\/p>\n LPAN\u542b\u91cf\u4e3a\uff08a-c\uff090\u548c\uff08d-f\uff0920%\u7684\u6837\u54c1\u7684SEM\u56fe\uff1b\u542b20% LPAN \u6837\u54c1\u7684\uff08g\uff09EDS\u548c\uff08h-i\uff09TEM\u56fe\u3002<\/p>\n \u56fe4 \u4e0d\u540cLPAN\u542b\u91cf\u7684\u6837\u54c1\u7684BET\u6bd4\u8868\u9762\u4ee5\u53ca\u5b54\u5f84\u5206\u5e03\u56fe\u3002<\/p>\n \u56fe5<\/p>\n \uff08a\uff09LPAN\u542b\u91cf\u4e3a0\u548c20%\u7684\u6837\u54c1\u7684\u5168\u8c31; \uff08b\uff09LPAN\u542b\u91cf\u4e3a20%\u7684\u6837\u54c1\u7684\u5404\u5143\u7d20\u76f8\u5bf9\u6df1\u5ea6\u4ee5\u53ca\u6240\u6709\u6837\u54c1\u7684\uff08c\uff09Ni2p, \uff08d\uff09C1s\uff0c\uff08e\uff09O1s\u548c\uff08f\uff09Li 1s\u7a84\u8c31\u56fe<\/p>\n \u56fe6<\/p>\n \uff08a\uff09\u5ba4\u6e29\u4e0b0.1C\u500d\u7387\u00a0(180 mA h g\u22121<\/sup>)\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff1b\uff08b-c\uff090.1C\u500d\u7387\u6761\u4ef6\u4e0b\u9996\u6b21\u548c200\u6b21\u5faa\u73af\u540e\u7684\u5145\u653e\u7535\u66f2\u7ebf\u56fe\uff1b\uff08d\uff09\u5ba4\u6e29\u4e0b\u4e0d\u540c\u7535\u6d41\u6bd4\u7387\u7684\u500d\u7387\u6027\u80fd\uff1b\uff08e, f\uff09LPAN\u542b\u91cf\u4e3a0\u548c20%\u7684\u6837\u54c1\u5728\u4e0d\u540c\u7535\u6d41\u500d\u7387\u4e0b\u7684\u521d\u6b21\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n \u56fe7<\/p>\n LPAN\u542b\u91cf\u4e3a\uff08a\uff090\u548c\uff08b\uff0920%\u7684\u6837\u54c1\u5728200\u5708\u5faa\u73af\u540e\u7684SEM\u56fe<\/p>\n \u56fe8\u6240\u6709\u6750\u6599\u7535\u6781\u7684EIS\u7ed3\u679c<\/p>\n \uff08a-b\uff09\u6750\u6599\u5728\u5faa\u73af\u4e4b\u524d\u548c200\u5708\u5faa\u73af\u4e4b\u540e\u7684\u963b\u6297\u56fe\u8c31;c\uff09Warburg\u963b\u6297\u548c\u03c9-1\/2<\/sup>\u7684\u7ebf\u6027\u5173\u7cfb\uff0c\u5728\u4f4e\u9891\u7387\u62df\u5408\u7684\u66f2\u7ebf\u659c\u7387\u662fWarburg\u5e38\u6570; d\uff09\u6240\u6709\u6837\u54c1\u5faa\u73af\u4f0f\u5b89\u56fe\uff1a\u626b\u63cf\u901f\u7387\u4e3a0.1 mV s-1<\/sup>.<\/p>\n<\/p>\n
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