{"id":185041,"date":"2019-09-09T06:30:10","date_gmt":"2019-09-08T22:30:10","guid":{"rendered":"\/\/m.iemloyee.com\/?p=185041"},"modified":"2019-09-08T22:41:12","modified_gmt":"2019-09-08T14:41:12","slug":"%e3%80%90%e5%b7%b2%e5%9b%9e%e5%a4%8d%e3%80%91%e4%b8%ad%e7%a7%91%e9%99%a2%e7%a6%8f%e5%bb%ba%e7%89%a9%e6%9e%84%e6%89%80%e5%ad%99%e4%bc%a0%e7%a6%8f%e8%af%be%e9%a2%98%e7%bb%84-angew%ef%bc%9a%e4%b8%80","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=185041","title":{"rendered":"\u4e2d\u79d1\u9662\u798f\u5efa\u7269\u6784\u6240\u5b59\u4f20\u798f\u8bfe\u9898\u7ec4 Angew\uff1a\u4e00\u79cd\u5b89\u5168\u3001\u4f4e\u6210\u672c\u3001\u5feb\u901f\u52a8\u529b\u5b66\u548c\u4f4e\u5e94\u53d8\u7684\u65e0\u673a\u6846\u67b6\u94be\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599"},"content":{"rendered":"

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

\u4f4e\u6210\u672c\u94be\u79bb\u5b50\u7535\u6c60\uff08PIBs\uff09\u6709\u671b\u53d6\u4ee3\u73b0\u6709\u9502\u79bb\u5b50\u7535\u6c60\u800c\u5e94\u7528\u4e8e\u7535\u5316\u5b66\u50a8\u80fd\u7cfb\u7edf\u3002\u7136\u800c\uff0c\u94be\u79bb\u5b50\u7535\u6c60\u7535\u6781\u6750\u6599\u5728\u5927\u5c3a\u5bf8\u94be\u79bb\u5b50\uff08K+<\/sup>\uff09\u7684\u5d4c\u5165\u548c\u8131\u51fa\u8fc7\u7a0b\u4e2d\u666e\u904d\u5b58\u5728\u4f53\u79ef\u53d8\u5316\uff08\u6676\u683c\u5e94\u53d8\uff09\u5927\u3001\u7ed3\u6784\u7a33\u5b9a\u6027\u5dee\u3001\u5faa\u73af\u5bff\u547d\u77ed\u548c\u7535\u5316\u5b66\u53cd\u5e94\u52a8\u529b\u5b66\u7f13\u6162\u7b49\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u63a2\u5bfb\u80fd\u591f\u5b58\u50a8\u8f83\u591aK+<\/sup>\u540c\u65f6\u5177\u6709\u5feb\u901f\u52a8\u529b\u5b66\u3001\u4f4e\u6210\u672c\u548c\u4f4e\u5e94\u53d8\u7279\u6027\u7684\u7535\u6781\u6750\u6599\u6210\u4e3a\u94be\u79bb\u5b50\u7535\u6c60\u7814\u53d1\u7684\u5173\u952e\u6240\u5728\u3002\u57fa\u4e8e\u6b64\uff0c\u5927\u91cf\u6709\u673a\/\u65e0\u673a\u56fa\u4f53\uff08\u77f3\u58a8\u6750\u6599\u3001\u8fc7\u6e21\u91d1\u5c5e\u5316\u5408\u7269\u3001\u91d1\u5c5e\u548c\u666e\u9c81\u58eb\u84dd\u7c7b\u4f3c\u7269\u7b49\uff09\u4f5c\u4e3aK+<\/sup>\u6b63\u6781\u6216\u8d1f\u6781\u7684\u7814\u7a76\u88ab\u76f8\u7ee7\u62a5\u9053\u3002\u5176\u4e2d\uff0c\u91d1\u5c5e\u6709\u673a\u6846\u67b6\u666e\u9c81\u58eb\u84dd\u6b63\u6781\u4e0d\u4ec5\u80fd\u591f\u63d0\u4f9b\u5bb9\u7eb3K+<\/sup>\u5d4c\u5165\u7684\u7ed3\u6784\u95f4\u9699\uff0c\u4e5f\u5177\u6709\u8f83\u5c0f\u7684\u4f53\u79ef\u53d8\u5316\u548c\u9ad8\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u662f\u8fc4\u4eca\u4e3a\u6b62\u7efc\u5408\u6027\u80fd\u6700\u4f18\u7684K+<\/sup>\u6b63\u6781\u6750\u6599\u3002\u4f46\u662f\u5728\u8d1f\u6781\u65b9\u9762\uff0c\u5c42\u72b6\u6750\u6599\u5728K+<\/sup>\u5d4c\u5165\u65f6\u4ecd\u5b58\u5728\u5927\u7684\u4f53\u79ef\u53d8\u5316\uff08\u77f3\u58a8\u7ea6\u4e3a61\uff05\uff0cWS2<\/sub>\u7ea6\u4e3a38\uff05\uff09\uff0c\u800c\u5408\u91d1\/\u8f6c\u5316\u578b\u6750\u6599\uff08Bi\u3001Sn\u3001Sb\u548cP\uff09\u81a8\u80c0\u7387\u751a\u81f3\u9ad8\u8fbe~200\uff05-400\uff05\u3002\u56e0\u6b64\uff0c\u4f4e\u6210\u672c\u548c\u4f4e\u5e94\u53d8\u8d1f\u6781\u6750\u6599\u7684\u7f3a\u4e4f\u662f\u6025\u9700\u89e3\u51b3\u7684\u5173\u952e\u95ee\u9898\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u798f\u5efa\u7269\u8d28\u7ed3\u6784\u7814\u7a76\u6240<\/strong>\u7684\u5b59\u4f20\u798f\u8bfe\u9898\u7ec4<\/strong>\u9996\u6b21\u62a5\u9053\u4e86\u65e0\u673a\u5f00\u653e\u5f0f\u6846\u67b6\u7ed3\u6784\u8d1f\u6781KTiOPO4<\/sub>\uff08KTP\uff09\u3002KTP\u6750\u6599\u5177\u6709\u5927\u7684\u7ed3\u6784\u7a7a\u9699\uff0c\u5141\u8bb8\u6bcf\u4e2a\u5355\u5143\u53ef\u9006\u5730\u5d4c\u5165\uff08\u8131\u51fa\uff09~0.75 K+<\/sup>\uff0c\u5e76\u5448\u73b0\u51fa\u8f83\u9ad8\u8d28\u91cf\uff08\u4f53\u79ef\uff09\u6bd4\u5bb9\u91cf\uff08102 mAh\/g\u6216307 mAh\/cm3<\/sup>\uff09\u3001\u5e73\u7a33\u7535\u538b\u5e73\u53f0\u548c\u5b89\u5168\u5e73\u5747\u7535\u4f4d\uff080.82 V vs K\/K+<\/sup>\uff09\u3001\u957f\u7684\u5bff\u547d\uff08200\u6b21\u5faa\u73af\uff09\u548c\u6bd4Na\u8d85\u79bb\u5b50\u5bfc\u4f53\uff08NASICON\uff09\u5feb~10\u500d\u7684K+<\/sup>\u8fd0\u8f93\u52a8\u529b\u5b66\u3002\u5b9e\u9a8c\u5206\u6790\u548c\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u63ed\u793a\u4e86\u53cc\u76f8\u548c\u56fa\u6eb6\u4f53\u53cd\u5e94\u5171\u5b58\u7684\u7535\u8377\u5b58\u50a8\u673a\u5236\u3001\u4e00\u7ef4\u87ba\u65cbK+<\/sup>\u6269\u6563\u8def\u5f84\u548c\u4f4e\u81f30.15 eV\u7684\u6269\u6563\u80fd\u5792\u3002\u8be5\u65e0\u673a\u6846\u67b6\u6750\u6599\u5728K+<\/sup>\u5d4c\u5165\u540e\u7684\u6676\u683c\u4f53\u79ef\u81a8\u80c0\u4ec5\u4e3a9.5%\uff0c\u751a\u81f3\u5c0f\u4e8e\u77f3\u58a8\u5728\u9502\u79bb\u5b50\u5d4c\u5165\u65f6\u7684\u4f53\u79ef\u53d8\u5316\uff08~10%\uff09\u3002\u6b64\u5916\uff0c\u51c6\u4e09\u7ef4\u7684\u4f53\u79ef\u81a8\u80c0\u65b9\u5f0f\u53ef\u4ee5\u5f88\u597d\u5730\u5206\u89e3\u4f53\u79ef\u81a8\u80c0\u5f15\u8d77\u7684\u6676\u683c\u5e94\u529b\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u6750\u6599\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\u548c\u957f\u5faa\u73af\u5bff\u547d\u3002\u65e0\u673a\u5f00\u653e\u6846\u67b6\u53ef\u80fd\u4e3a\u63a2\u7d22\u4f4e\u6210\u672c\u3001\u7a33\u5b9a\u548c\u52a8\u529b\u5b66\u5feb\u901f\u7684\u7535\u6c60\u5316\u5b66\u5f00\u8f9f\u4e00\u6761\u65b0\u7684\u9014\u5f84\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>A Safe, Low-Cost, Fast-Kinetics and Low-Strain Inorganic-Open-Framework Anode for Potassium-Ion Batteries<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Angewandte Chemie-International Edition<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe<\/strong> 1. KTP<\/strong>\u7684\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09KTP\u7ed3\u6784\u7684\u6295\u5f71\u89c6\u56fe\uff1b<\/p>\n

\uff08b\uff09KTP\u4e2dTi4+<\/sup>\u9633\u79bb\u5b50\u7684\u914d\u4f4d\u6a21\u5f0f\uff08\u84dd\u8272\u548c\u7d2b\u8272\u591a\u9762\u4f53\u4ee3\u8868TiO6<\/sub>\u548cPO4<\/sub>\u5355\u5143\uff09\uff1b<\/p>\n

\uff08c\uff09XRD Rietveld\u7cbe\u4fee\uff08Rwp<\/sub> = 9.47\uff05\uff0cRp<\/sub> = 1.58\uff05\uff09\uff1b\uff08d\uff09KTP@C\u7684TEM\u548cSEM\uff08\u63d2\u56fe\uff09\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong> 2. KTP<\/strong>\u5728<\/strong>Li\/Na\/K<\/strong>\u79bb\u5b50\u7535\u6c60\u4e2d\u7684\u5d4c\u5165\u884c\u4e3a\u5206\u6790<\/strong>\"\"<\/p>\n

\uff08a\uff0cb\uff09\u57285 mA\/g\u7684KTP@C\u4e2dLi+<\/sup>\/Na+<\/sup>\/K+<\/sup>\u7684\u7535\u5316\u5b66\u5d4c\u5165\uff1b<\/p>\n

\uff08c\uff09K+<\/sup>-\uff08de\uff09\u5d4c\u5165\u884c\u4e3a\u7684\u6bd4\u8f83\uff1b<\/p>\n

\uff08d\uff09KTP\u5728Na\/K\u79bb\u5b50\u7535\u6c60\u4e2d\u7684\u6052\u7535\u6d41\u5faa\u73af\u3002<\/p>\n

\u56fe<\/strong> 3. KTP@C<\/strong>\u7684\u94be\u79bb\u5b50\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd\u548c\u52a8\u529b\u5b66\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u957f\u671f\u5faa\u73af\u6027\uff1b<\/p>\n

\uff08b\uff09a(+)KMFCN||KTP@C(-)\u5168\u7535\u6c60\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08c\uff09\u500d\u7387\u6027\u80fd\uff1b<\/p>\n

\uff08d\uff09\u4e0d\u540c\u626b\u901f\u7684CV\u66f2\u7ebf\uff1b<\/p>\n

\uff08e\uff09\u5cf0\u503c\u7535\u6d41\u4e0e\u626b\u63cf\u901f\u7387\u7684\u5e73\u65b9\u6839\u3002<\/p>\n

\u56fe<\/strong> 4. K+<\/sup><\/strong>\u8fc1\u79fb\u9014\u5f84\u548c\u80fd\u91cf\u5206\u5e03<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-c\uff09\u901a\u8fc7BVEL\u65b9\u6cd5\u53ef\u89c6\u5316\u7684K+<\/sup>\u8fc1\u79fb\u9014\u5f84\u4e3a\u9752\u8272\u7b49\u503c\u9762\uff1a\u4e00\u822c\u89c6\u56fe(a)\uff0c\u5b64\u7acb\u8def\u5f84(b)\u548c\u8def\u5f84\u7684\u87ba\u65cb\u6295\u5f71(c)\uff1b<\/p>\n

\uff08d\uff09KTP\u6846\u67b6\u4e2d\u7684K+<\/sup>\u8fc1\u79fb\u8def\u5f84\uff1b<\/p>\n

\uff08e\uff0cf\uff09\u56fe(d)\u4e2d\u63cf\u8ff0\u7684K+<\/sup>-K+<\/sup>\u8fc1\u79fb\u8def\u5f84\u7684\u80fd\u5792\u3002<\/p>\n

\u56fe<\/strong> 5. K+<\/sup><\/strong>\u5b58\u50a8\u548c\u7535\u8377\u8865\u507f\u673a\u5236<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u539f\u4f4dXRD\u63ed\u793a\u7684KTP\u7684\u6676\u4f53\u7ed3\u6784\u6f14\u53d8\uff1b<\/p>\n

\uff08b\uff09\u5e03\u62c9\u683c\u5cf0\u6f14\u5316\u7684\u7b49\u9ad8\u7ebf\u56fe\uff1b<\/p>\n

\uff08c\uff09\u975e\u539f\u4f4dXPS\u8c31\u56fe\uff1b<\/p>\n

\uff08d\uff09\u572812 K+<\/sup>\u5d4c\u5165\u65f6\uff0cDFT\u6a21\u62df\u76841\u00d71\u00d72 KTP\u8d85\u7ea7\u5355\u5143\uff1b<\/p>\n

\uff08e\uff09\u539f\u4f4dXRD\u548cDFT\u8ba1\u7b97\u7684\u6676\u683c\u6f14\u5316\uff1b<\/p>\n

\uff08f\uff09K+<\/sup>\u5d4c\u5165\u65f6\u8d1f\u6781\u4e3b\u4f53\u548cLi+<\/sup>\u63d2\u5165\u65f6\u77f3\u58a8\u7684\u4f53\u79ef\u81a8\u80c0\u3002<\/p>\n

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

\u672c\u6587\u8bc1\u660eK+<\/sup>\u5d4c\u5165\u65e0\u673a\u5f00\u653e\u6846\u67b6KTiOPO4<\/sub>\uff08KTP\uff09\u7684\u53ef\u884c\u6027\u3002\u539f\u4f4d\u5b9e\u9a8c\u4e0eDFT\u8ba1\u7b97\u63ed\u793a\u4e86\u53cc\u76f8\u548c\u56fa\u6eb6\u4f53\u53cd\u5e94\u7684K+<\/sup>-\u50a8\u5b58\u673a\u5236\u3002\u4f5c\u4e3a\u65b0\u578bK+<\/sup>\u8d1f\u6781\u6750\u6599\uff0cKTP\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a\uff081\uff09\u53ef\u9006\u5bb9\u91cf\u9ad8\u8fbe102 mAh\/g\u6216307 mAh\/cm3<\/sup>\uff0c\uff082\uff09\u5e73\u5766\u4e14\u5b89\u5168\u7684\u7535\u538b\u5e73\u53f0\uff0c\uff083\uff09\u9ad8\u7ed3\u6784\u7a33\u5b9a\u6027\u548c\u957f\u5faa\u73af\u5bff\u547d\uff0c\uff084\uff09K+<\/sup>\u6269\u6563\u52a8\u529b\u5b66\u6bd4Na\u8d85\u79bb\u5b50\u5bfc\u4f53\uff08NASICON\uff09\u7684\u5feb\u301c10\u500d\uff0c\uff085\uff09\u4f4e\u5e94\u53d8\u7279\u5f81\uff08\u6676\u683c\u4f53\u79ef\u81a8\u80c0\u751a\u81f3\u5c0f\u4e8e\u77f3\u58a8\u5728Li+<\/sup>\u5d4c\u5165\u65f6\u7684\u4f53\u79ef\u81a8\u80c0\uff09\u548c\uff086\uff09\u51c6\u4e09\u7ef4\u6676\u683c\u81a8\u80c0\u5206\u89e3\u5c0f\u6676\u683c\u5e94\u53d8\u3002\u8fd9\u4e9b\u4f18\u70b9\u4e0e3D\u65e0\u673a\u5f00\u653e\u6846\u67b6\u6676\u4f53\u7ed3\u6784\u76f4\u63a5\u76f8\u5173\uff0c\u5e76\u8868\u660e\u7531\u5730\u58f3\u542b\u91cf\u4e30\u5bcc\u5143\u7d20\u7ec4\u6210\u7684\u4f4e\u6210\u672cKTP\u6750\u6599\u5728PIB\u4e2d\u5177\u6709\u5f88\u9ad8\u7684\u5e94\u7528\u4ef7\u503c\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c\u5176\u4ed6\u6c27\u5316\u8fd8\u539f\u4e2d\u5fc3\u5bf9Ti4+<\/sup>\u7684\u540c\u4ef7\u6216\u5f02\u4ef7\u53d6\u4ee3\u53ef\u4e3a\u4f4e\u5e94\u53d8\u8d1f\u6781\u548c\u6b63\u6781\u7684\u8bbe\u8ba1\u5408\u6210\u63d0\u4f9b\u65b0\u7684\u53ef\u80fd\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>A Safe, Low-Cost, Fast-Kinetics and Low-Strain Inorganic-Open-Framework Anode for Potassium-Ion Batteries<\/strong><\/a>\uff08Angewandte Chemie-International Edition, 2019, DOI:10.1002\/anie.201909202\uff09\u3002<\/p>\n

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