{"id":197178,"date":"2020-03-08T06:54:47","date_gmt":"2020-03-07T22:54:47","guid":{"rendered":"\/\/m.iemloyee.com\/?p=197178"},"modified":"2020-03-07T20:55:05","modified_gmt":"2020-03-07T12:55:05","slug":"angew-chem-int-ed-%e7%bb%bc%e8%bf%b0-%e6%8e%a2%e7%a9%b6%e9%ab%98%e8%83%bd%e9%87%8f%e5%af%86%e5%ba%a6%e9%94%82%e7%a6%bb%e5%ad%90%e7%94%b5%e6%b1%a0%e5%b1%82%e7%8a%b6%e5%af%8c%e9%94%82%e9%94%b0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=197178","title":{"rendered":"Angew. Chem. Int. Ed.\u7efc\u8ff0: \u63a2\u7a76\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u9502\u79bb\u5b50\u7535\u6c60\u5c42\u72b6\u5bcc\u9502\u9530\u57fa\u6b63\u6750\u6599\u53cd\u5e94\u673a\u7406"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u5c42\u72b6\u5bcc\u9502\u9530\u57fa\uff08LLRM\uff09\u6b63\u6781\u6750\u6599\uff08xLi2<\/sub>MnO3<\/sub>\u00b7\uff081-x\uff09LiMO2<\/sub>\uff0cM\u4ee3\u8868\u8fc7\u6e21\u91d1\u5c5e\uff09\u7684\u51fa\u73b0\u4e3a\u8bbe\u8ba1\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u9502\u79bb\u5b50\u7535\u6c60\uff08LIBs\uff09\u5f00\u8f9f\u4e86\u65b0\u7684\u9053\u8def\u3002LLRM\u6b63\u6781\u6750\u6599\u6bd4\u80fd\u91cf\u9ad8\u3001\u6210\u672c\u4f4e\u3001\u70ed\u7a33\u5b9a\u6027\u597d\uff0c\u4f46\u4e00\u4e9b\u56fa\u6709\u7684\u7f3a\u70b9\u963b\u788d\u4e86\u5b83\u4eec\u7684\u5b9e\u9645\u5e94\u7528\uff0c\u5305\u62ec\u521d\u59cb\u5e93\u4ed1\u6548\u7387\u4f4e\uff0c\u500d\u7387\u6027\u80fd\u5dee\uff0c\u653e\u7535\u7535\u538b\u548c\u5bb9\u91cf\u8870\u51cf\u4e25\u91cd\u7b49\u3002\u7531\u4e8e\u5176\u7ed3\u6784\u548c\u53cd\u5e94\u673a\u7406\u7684\u590d\u6742\u6027\uff0c\u9ad8\u6027\u80fdLLRM\u6b63\u6781\u6750\u6599\u7684\u53d1\u5c55\u5728\u8fc7\u53bb\u4e8c\u5341\u5e74\u4e2d\u53d7\u5230\u4e86\u4e25\u91cd\u963b\u788d\u3002\u6700\u8fd1\uff0c\u6c7d\u8f66\u5de5\u4e1a\u5bf9\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u53ef\u5145\u7535\u7535\u6c60\u7684\u5f3a\u70c8\u9700\u6c42\u63a8\u52a8\u4e86LLRM\u6b63\u6781\u6750\u6599\u7684\u590d\u5174\u3002<\/p>\n \u8fd1\u65e5\uff0c\u6fb3\u5927\u5229\u4e9a\u6089\u5c3c\u79d1\u6280\u5927\u5b66\u6c6a\u56fd\u79c0\u6559\u6388\u548c\u5b59\u5175\u535a\u58eb\u540e\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u4ece\u9634\u79bb\u5b50\u548c\u9633\u79bb\u5b50\u53cd\u5e94\u52a8\u529b\u5b66\u4e24\u4e2a\u65b9\u9762\u7cfb\u7edf\u603b\u7ed3\u4e86LLRM\u6b63\u6781\u6750\u6599\u4e2d\u5b58\u5728\u7684\u5404\u79cd\u53cd\u5e94\u673a\u7406\uff0c\u63d0\u5347\u4e86\u4eba\u4eec\u5bf9\u4e8eLLRM\u6b63\u6781\u6750\u6599\u7684\u7406\u89e3\u3002\u867d\u7136\u5148\u524d\u7684\u7814\u7a76\u8005\u5df2\u7ecf\u7814\u7a76\u4e86LLRM\u6b63\u6781\u6750\u6599\u7684\u53d1\u5c55\uff0c\u5176\u4e2d\u5f88\u5c11\u6709\u4eba\u5173\u6ce8\u7535\u5316\u5b66\u6027\u80fd\u8870\u51cf\u80cc\u540e\u7684\u53cd\u5e94\u673a\u5236\u3002\u6b64\u5916\uff0c\u4e00\u4e9b\u5c16\u7aef\u8868\u5f81\u6280\u672f\u7684\u8fc5\u901f\u53d1\u5c55\u4e3a\u63ed\u793aLIBs\u4e2dLLRM\u6b63\u6781\u6750\u6599\u7684\u7ed3\u6784\u53d8\u5316\u63d0\u4f9b\u4e86\u5f3a\u6709\u529b\u7684\u652f\u6301\u3002\u56e0\u6b64\uff0c\u672c\u6587\u5bf9LLRM\u6b63\u6781\u6750\u6599\u7684\u53cd\u5e94\u673a\u7406\u8fdb\u884c\u4e86\u5168\u9762\u7684\u7efc\u8ff0\uff0c\u65e8\u5728\u9610\u660e\u9ad8\u6027\u80fdLLRM\u6b63\u6781\u6750\u6599\u7684\u53cd\u5e94\u673a\u7406\uff0c\u4ece\u800c\u4e3a\u4e0b\u4e00\u4ee3\u9ad8\u80fd\u91cf\u5bc6\u5ea6LIBs\u7684\u7814\u7a76\u63d0\u4f9b\u542f\u793a\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cReviving Reaction Mechanism of Layered Lithium-Rich Cathode Materials for High-Energy Lithium-Ion Battery<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Angew. Chem. Int. Ed.<\/strong>\u4e0a\u3002<\/p>\n \u00a0<\/strong>\u00a0<\/strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001\u5c42\u72b6\u5bcc\u9502\u9530\u57fa\u6b63\u6781\u6750\u6599\uff080.5Li2<\/sub>MnO3<\/sub>\u00b70.5LiNi0.8<\/sub>Mn0.1<\/sub>Co0.1<\/sub>O2<\/sub>\uff09\u4e0eLiFePO4<\/sub>\u548c\u5c42\u72b6\u6c27\u5316\u7269\u6b63\u6781\u6750\u6599\uff08LiNi0.8<\/sub>Co0.1<\/sub>Mn0.1<\/sub>\uff0cNCM811\uff09\u4e0d\u540c\u53c2\u6570\u7684\u5bf9\u6bd4<\/strong><\/p>\n \uff08a\uff09LiFePO4<\/sub>\u3001NCM811\u548c\u5bcc\u9502NMC\u5728\u516d\u4e2a\u5bf9\u5b9e\u9645\u5e94\u7528\u81f3\u5173\u91cd\u8981\u7684\u53c2\u6570\u6bd4\u8f83\uff1b<\/p>\n \uff08b\uff09\u57fa\u4e8e\u6b63\u6781\u6750\u6599\u7684\u8d28\u91cf\u8ba1\u7b97\u51fa\u7684\u6bd4\u80fd\u91cf\u5dee\u5f02\uff1b<\/p>\n \uff08c-e\uff09\u4e09\u79cd\u7535\u6781\u6750\u6599\u7684\u5e73\u5747\u6210\u672c\uff0c\u632f\u5b9e\u5bc6\u5ea6\u548c\u70ed\u7a33\u5b9a\u6027\u4e0a\u7684\u5dee\u5f02\uff1b<\/p>\n \uff08f\uff0cg\uff09\u4e09\u79cd\u7535\u6781\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u500d\u7387\u6027\u80fd\u7684\u5dee\u5f02\u3002<\/p>\n \u56fe\u4e8c\u3001\u5c42\u72b6\u5bcc\u9502\u9530\u57fa\u6b63\u6781\u6750\u6599\u53cd\u5e94\u673a\u7406\u7684\u53d1\u5c55\u5386\u53f2<\/strong><\/p>\n \u56fe\u4e09\u3001\u5c42\u72b6\u5bcc\u9502\u9530\u57fa\u6b63\u6781\u6750\u6599\u6676\u4f53\u7ed3\u6784\u6a21\u578b<\/strong><\/p>\n \uff08a\uff0cb\uff09\u4ee5[100]\u6676\u5411\u4e3a\u57fa\u51c6\u7684\u659c\u65b9\u516d\u9762\u4f53LiMO2<\/sub>\u548c\u5355\u659c\u6676Li2<\/sub>MnO3<\/sub>\u7684\u6676\u4f53\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n \uff08c\uff0cd\uff09\u659c\u65b9\u516d\u9762\u4f53LiMO2<\/sub>\u548c\u5355\u659c\u6676Li2<\/sub>MnO3<\/sub>\u7684\u6676\u80de\u7ed3\u6784\u548c\u539f\u5b50\u6392\u5217\uff1b<\/p>\n \u56fe\u56db\u3001\u57fa\u4e8e\u53cd\u5e94\u76f8\u56fe\u7684\u5c42\u72b6xLi2<\/sub>MnO3<\/sub>\u00b7\uff081-x\uff09LiMO2<\/sub>\u7684\u5145\u653e\u7535\u66f2\u7ebf\u53ca\u76f8\u5e94\u7684\u53cd\u5e94\u8def\u5f84 \uff08a\uff0cb\uff09\u7b2c\u4e00\u5708\u7684\u5145\u653e\u7535\u66f2\u7ebf\u53ca\u76f8\u5e94\u7684\u53cd\u5e94\u8def\u5f84\uff1b<\/p>\n \uff08c\uff0cd\uff09\u7b2c\u4e8c\u5708\u7684\u5145\u653e\u7535\u66f2\u7ebf\u53ca\u76f8\u5e94\u7684\u53cd\u5e94\u8def\u5f84\uff1b<\/p>\n \u56fe\u4e94\u3001LLRM\u6b63\u6781\u6750\u6599\u4e2d\u7684\u6c27\u6d41\u5931\u73b0\u8c61\u548c\u5c16\u6676\u77f3\u76f8\u7684\u5f62\u6210\u673a\u5236;<\/strong><\/p>\n \uff08a\uff09\u6cbf[010]\u6295\u5f71\u65b9\u5411\u7684R 3m<\/em>\u76f8\u7684\u539f\u5b50\u5206\u8fa8\u7387\u56fe\u50cf\u548c\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n \uff08b\uff09C2\/m<\/em>\u76f8\u7684\u539f\u5b50\u5e8f\u5bf9\u6bd4\u5f71\u50cf\uff1b<\/p>\n \uff08c\uff09\u5faa\u73af\u8fc7\u7a0b\u4e2dR 3m<\/em> \u76f8LiMO2<\/sub>\u548cC 2\/m <\/em>Li2<\/sub>MO3<\/sub>\u4e2d\u5c16\u6676\u77f3\u6676\u7c92\u7684\u5f62\u6838\u4e0e\u957f\u5927\u673a\u7406\u793a\u610f\u56fe\uff1b<\/p>\n \u56fe\u516d\u3001LLRM\u6b63\u6781\u6750\u6599\u4e2d\u7684\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u673a\u5236<\/strong><\/p>\n \uff08a\uff09\u7b2c\u4e00\u6b21\u548c\u7b2c\u4e8c\u6b21\u5faa\u73af\u4e2dO1s\u786cX\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08HAXPES\uff09\u53d8\u5316\uff1b<\/p>\n \uff08b\uff09LiMO2<\/sub>\u548cLi2<\/sub>MO3<\/sub>\u6676\u4f53\u7ed3\u6784\u53ca\u76f8\u5e94\u7684\u80fd\u5e26\u7ed3\u6784\u7684\u6bd4\u8f83\u3002<\/p>\n \u56fe\u4e03\u3001LLRM\u6b63\u6781\u6750\u6599\u4e2d\u7684\u9633\u79bb\u5b50\u8fc1\u79fb\u548c\u5143\u7d20\u504f\u6790<\/strong><\/p>\n \uff08a\uff09\u4ece\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c-\u7535\u5b50\u80fd\u91cf\u635f\u5931\u8c31\uff08STEM-EELS\uff09\u7ed3\u679c\u4e2d\u83b7\u5f97\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u50cf\uff08HAADF-STEM\uff09\u56fe\u50cf\u3001\u5316\u5b66\u56fe\u8c31\u4ee5\u53caMn\u548cNi\u539f\u5b50\u6d53\u5ea6\u56fe\uff1b<\/p>\n \uff08b\uff0cc\uff09Li1.2<\/sub>Ni0.2<\/sub>Mn0.6<\/sub>O2<\/sub>\u7eb3\u7c73\u9897\u7c92\u8868\u9762\u533a\u57df\u7684\u539f\u5b50\u5e8f\u5bf9\u6bd4\u5f71\u50cf\u548cX\u5c04\u7ebf\u80fd\u91cf\u8272\u6563\u8c31\uff08XEDS\uff09\u56fe\u50cf\uff1b<\/p>\n \uff08d\uff09\u5faa\u73af\u540eLi1.2<\/sub>Ni0.2<\/sub>Mn0.6<\/sub>O2<\/sub>\u7684STEM-HAADF\u56fe\u50cf\uff1b<\/p>\n \uff08e\uff09\u5faa\u73af\u540e\u8868\u9762\u91cd\u6784\u5c42\uff08SRL\uff09\u6f14\u53d8\u7684\u793a\u610f\u56fe\u3002<\/p>\n \u56fe\u516b\u3001LLRM\u6b63\u6781\u6750\u6599\u4e2d\u5faa\u73af\u524d\u540e\u8fc7\u6e21\u91d1\u5c5e\u9633\u79bb\u5b50\u7684\u5e73\u5747\u4ef7\u6001\u53d8\u5316<\/strong><\/p>\n Angew. Chem. Int. Ed. 0.0:null-null<\/p><\/div>\n \uff08a\uff09\u4e0d\u540c\u653e\u7535\u5708\u6570\u540eLi1.2<\/sub>Ni0.15<\/sub>Co0.1<\/sub>Mn0.55<\/sub>O2<\/sub>\u4e2d\u5404\u79cd\u5143\u7d20\u7684X\u5c04\u7ebf\u5438\u6536\u5149\u8c31\uff08XAS\uff09\u7ed3\u679c\uff1b<\/p>\n \uff08b\uff09\u4e0d\u540c\u653e\u7535\u5708\u6570\u540e\u4e0d\u540c\u5143\u7d20\u5bf9\u653e\u7535\u5bb9\u91cf\u7684\u8d21\u732e\uff1b<\/p>\n \uff08c\uff09\u8d39\u7c73\u80fd\u7ea7\u4e0e\u7535\u5b50\u7ed3\u6784\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n \u56fe\u4e5d\u3001LLRM\u6b63\u6781\u6750\u6599\u4e2d\u9ad8\u4ef7\u9530\uff08Mn7+<\/sup>\uff09\u7684\u7535\u8377\u8865\u507f\u65b0\u673a\u7406<\/strong><\/p>\n \uff08a\uff09\u6d3b\u5316\u540e\u5047\u8bbe\u7684Li1\/2<\/sub>MnO3<\/sub>\u6676\u4f53\u7ed3\u6784\uff0c\u7ea2\u8272\u3001\u7eff\u8272\u548c\u7d2b\u8272\u5206\u522b\u4ee3\u8868O\u3001Li\u548cMn\u539f\u5b50\uff1b<\/p>\n \uff08b\uff0cc\uff09\u5047\u8bbe\u7684Li1\/2<\/sub>MnO3<\/sub>\u548cLi2<\/sub>MnO3<\/sub>\u7ed3\u6784\u7684\u6bd4\u8f83\uff1b<\/p>\n \uff08d\uff09LLRM\u6b63\u6781\u6750\u6599\u4e2d\u7684\u9ad8\u4ef7\u9530\u7535\u8377\u8865\u507f\u65b0\u673a\u7406\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u6700\u8fd1\u7684\u53cd\u5e94\u673a\u7406\u7814\u7a76\u8868\u660e\uff0cLLRM\u6b63\u6781\u6750\u6599\u7684\u9ad8\u5bb9\u91cf\u53ef\u80fd\u6765\u6e90\u4e8e\u9633\u79bb\u5b50\u548c\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u7684\u534f\u540c\u4f5c\u7528\uff0c\u76f8\u6bd4\u4f20\u7edf\u7684\u5c42\u72b6\u6b63\u6781\u6750\u6599\u590d\u6742\u5f97\u591a\u3002\u7531\u6c27\u6d41\u5931\u4ea7\u751f\u7684\u6c27\u7a7a\u4f4d\u4f1a\u5bfc\u81f4\u7531\u5916\u5230\u5185\u4e0d\u53ef\u9006\u7684\u5c16\u6676\u77f3-\u5c42\u72b6\u7ed3\u6784\u8f6c\u53d8\uff0c\u8868\u73b0\u4e3a\u9996\u5708\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u4f4e\u5e93\u4f26\u6548\u7387\u548c\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u653e\u7535\u7535\u538b\u548c\u5bb9\u91cf\u7684\u4e0d\u65ad\u8870\u51cf\u3002\u6b64\u5916\uff0c\u8fc7\u6e21\u91d1\u5c5e\u5143\u7d20\u7684\u8fc1\u79fb\uff0c\u504f\u6790\u548c\u5e73\u5747\u4ef7\u6001\u7684\u4e0d\u65ad\u964d\u4f4e\u4e5f\u662f\u5faa\u73af\u8fc7\u7a0b\u4e2d\u653e\u7535\u5bb9\u91cf\u635f\u8017\u548c\u7535\u538b\u8870\u51cf\u7684\u539f\u56e0\u3002\u6240\u6709\u9488\u5bf9\u8fd9\u4e9b\u53cd\u5e94\u673a\u7406\u7684\u7814\u7a76\u4e3a\u672a\u6765\u8bbe\u8ba1\u5177\u6709\u9ad8\u5bb9\u91cf\uff0c\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7684LLRM\u6b63\u6781\u6750\u6599\u53ca\u5546\u4e1a\u5316\u63d0\u4f9b\u4e86\u6307\u5bfc\u3002\u6b64\u5916\uff0c\u5728\u6291\u5236\u6c27\u6d41\u5931\u548c\u8fc7\u6e21\u91d1\u5c5e\u5143\u7d20\u8fc1\u79fb\u7684\u540c\u65f6\uff0c\u5e94\u5c3d\u91cf\u51cf\u5c11\u5fae\u5b54\u3001\u88c2\u7eb9\u548c\u4f4d\u9519\u7b49\u7ed3\u6784\u7f3a\u9677\u7684\u51fa\u73b0\u3002<\/p>\n \u56e0\u6b64\uff0c\u4e3a\u4e86\u89e3\u51b3\u73b0\u9636\u6bb5\u9047\u5230\u7684\u56f0\u96be\uff0c\u901a\u8fc7\u8868\u9762\u6539\u6027\u3001\u5143\u7d20\u63ba\u6742\u7b49\u6539\u6027\u65b9\u6cd5\u80fd\u591f\u6709\u6548\u63d0\u9ad8LLRM\u6b63\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u867d\u7136\u5230\u76ee\u524d\u4e3a\u6b62\u8fd9\u4e9b\u6539\u6027\u6280\u672f\u53d6\u5f97\u4e86\u91cd\u5927\u8fdb\u5c55\uff0c\u4f46\u4ecd\u9700\u8981\u63a2\u7d22\u66f4\u52a0\u5408\u7406\u4e14\u5b9e\u7528\u7684\u65b9\u6cd5\u6765\u514b\u670dLLRM\u6b63\u6781\u6750\u6599\u76ee\u524d\u6240\u9762\u4e34\u7684\u6280\u672f\u74f6\u9888\u3002\u9996\u5148\uff0c\u5fc5\u987b\u4f18\u5316LLRM\u6b63\u6781\u6750\u6599\u7684\u5408\u6210\u8def\u7ebf\uff0c\u4ee5\u786e\u4fdd\u539f\u59cb\u6750\u6599\u4e2d\u6240\u6709\u5143\u7d20\u5747\u5300\u5206\u5e03\u3002\u5176\u6b21\uff0c\u9700\u8981\u5f00\u53d1\u4e00\u79cd\u5148\u8fdb\u7684\u8868\u9762\u5305\u8986\u6280\u672f\uff0c\u5728LLRM\u6b63\u6781\u6750\u6599\u7684\u9897\u7c92\u8868\u9762\u5f62\u6210\u5408\u9002\u7684\u4fdd\u62a4\u5c42\u3002<\/p>\n \u5bf9\u4e8eLLRM\u6b63\u6781\u6750\u6599\u5728\u672a\u6765\u5168\u7535\u6c60\u4e2d\u7684\u5546\u4e1a\u5e94\u7528\uff0c\u7f3a\u4e4f\u5408\u9002\u7684\u8d1f\u6781\u6750\u6599\u662f\u53e6\u4e00\u4e2a\u6311\u6218\u3002\u8003\u8651\u5230\u4f20\u7edf\u7684\u78b3\u9178\u8102\u7c7b\u7535\u89e3\u6db2\u5728\u9ad8\u5de5\u4f5c\u7535\u538b\u4e0b\u4e0d\u7a33\u5b9a\uff0c\u9700\u8981\u5f00\u53d1\u5168\u65b0\u7684\u7535\u89e3\u6db2\u6765\u63d0\u9ad8LLRM\u6b63\u6781\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u4e8e\u6b64\u540c\u65f6\uff0c\u957f\u671f\u5faa\u73af\u9020\u6210\u7684\u5b89\u5168\u95ee\u9898\u6bd4\u5982\u80c0\u6c14\u548c\u5176\u4ed6\u73b0\u8c61\u53ef\u80fd\u4e0d\u5229\u4e8e\u5927\u89c4\u6a21\u5316\u5de5\u4e1a\u751f\u4ea7\u3002\u56e0\u6b64\uff0c\u968f\u7740\u6211\u4eec\u6df1\u5165\u7814\u7a76LLRM\u6b63\u6781\u6750\u6599\u53cd\u5e94\u673a\u7406\u7684\uff0c\u63a2\u7d22\u9ad8\u80fd\u91cf\u5bc6\u5ea6LLRM\u6b63\u6781\u6750\u6599\uff0c\u8fd9\u4e00\u7814\u7a76\u5fc5\u5c06\u52a0\u901f\u6784\u5efa\u5177\u6709\u9ad8\u80fd\u91cf\u5bc6\u5ea6LIBs\u7684\u7814\u53d1\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n
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