{"id":223814,"date":"2021-06-28T06:18:52","date_gmt":"2021-06-27T22:18:52","guid":{"rendered":"\/\/m.iemloyee.com\/?p=223814"},"modified":"2021-06-27T19:19:00","modified_gmt":"2021-06-27T11:19:00","slug":"%e4%b8%89%e6%98%9f%e7%94%b5%e5%ad%90%e5%85%ac%e5%8f%b8%e5%9b%a2%e9%98%9fnat-commun-%ef%bc%9a%e5%85%85%e6%94%be%e7%94%b5%e5%be%aa%e7%8e%af%e8%bf%87%e7%a8%8b%e4%b8%ad%e9%94%82%e6%b5%93%e5%ba%a6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=223814","title":{"rendered":"\u4e09\u661f\u7535\u5b50\u516c\u53f8\u56e2\u961fNat. Commun.\uff1a\u5145\u653e\u7535\u5faa\u73af\u8fc7\u7a0b\u4e2d\u9502\u6d53\u5ea6\u68af\u5ea6\u7684\u6f14\u53d8\u548c\u6269\u5c55 \u00a0"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u53ef\u5145\u7535\u9502\u79bb\u5b50\u7535\u6c60\uff08LIBs\uff09\u9700\u8981\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5bb9\u91cf\u3001\u5145\u7535\u901f\u5ea6\u3001\u5bff\u547d\u548c\u5b89\u5168\u65b9\u9762\u7684\u6027\u80fd\u3002\u8bb8\u591a\u7814\u7a76\u5df2\u7ecf\u5bf9\u9502\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u6750\u6599\u7684\u4f5c\u7528\u6216\u964d\u89e3\u673a\u7406\u8fdb\u884c\u4e86\u7814\u7a76\uff0c\u4ee5\u4e86\u89e3\u5176\u6f5c\u5728\u7684\u7269\u7406\u7279\u6027\uff0c\u4ece\u800c\u5236\u5b9a\u6027\u80fd\u6539\u8fdb\u7b56\u7565\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u673a\u7406\u57fa\u4e8e\u5bf9\u8fc7\u6e21\u91d1\u5c5e\uff08TMs\uff09\u548c\u6c27\u539f\u5b50\u7684\u4f4d\u70b9\u548c\u5316\u5b66\u72b6\u6001\u7684\u89c2\u5bdf\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u89c2\u5bdf\u8d1f\u8d23\u7535\u6c60\u8fd0\u884c\u7684\u9502\u79bb\u5b50\uff0c\u56e0\u4e3a\u7f3a\u4e4f\u53ef\u9760\u7684\u5b9e\u9a8c\u6280\u672f\u5206\u6790\u9502\u79bb\u5b50\u7684\u5206\u5e03\u3002\u5728\u5e7f\u6cdb\u4f7f\u7528\u7684\u5b9e\u9a8c\u6280\u672f\u4e2d\uff0c\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08STEM\uff09\u548c\u5148\u8fdb\u7684X\u5c04\u7ebf\u6280\u672f\u5df2\u7ecf\u63d0\u4f9b\u4e86\u5b9d\u8d35\u7684\u4fe1\u606f\uff0c\u5982\u6676\u683c\u7ed3\u6784\u548c\u5316\u5b66\u72b6\u6001\u3002\u7136\u800c\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5b83\u4eec\u7f3a\u4e4f\u5728\u9ad8\u7a7a\u95f4\u5206\u8fa8\u7387\u4e0b\u76f4\u63a5\u91cf\u5316\u9502\u79bb\u5b50\u7535\u6c60\u4e2d\u7684\u8f7d\u6d41\u5b50\u7684\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u4f7f\u7528\u4e0a\u8ff0\u6280\u672f\u548c\u5bff\u547d\u6d4b\u8bd5\u6765\u6bd4\u8f83\u7814\u7a76\u548c\u89e3\u91ca\u9502\u79bb\u5b50\u7535\u6c60\u7684\u5bb9\u91cf\u8870\u51cf\u673a\u5236\u4ecd\u7136\u662f\u56f0\u96be\u7684\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\uff0c\u56e2\u961f\u4f7f\u7528\u4e86STEM\u6280\u672f\uff0c\u5b83\u63ed\u793a\u4e86\u539f\u5b50\u7684\u6392\u5217\uff0c\u5e76\u5728\u540c\u4e00\u4f4d\u7f6e\u4f7f\u7528\u4e86\u539f\u5b50\u63a2\u9488\u65ad\u5c42\u626b\u63cf\uff08APT\uff09\u6280\u672f\uff0c\u89c2\u5bdf\u5230\u9502\u79bb\u5b50\u5728\u5185\u7684\u7ec4\u6210\u5143\u7d20\u76843D\u5b9a\u91cf\u4fe1\u606f\uff0c\u7075\u654f\u5ea6\u4e3a~ 10ppm\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5728\u97e9\u56fd<\/b><\/strong>\u4e09\u661f\u7535\u5b50\u516c\u53f8Byeong-Gyu Chae<\/b><\/strong>\u548cSeong Yong Park<\/b><\/strong>\u56e2\u961f\u7b49\u4eba\u5e26\u9886\u4e0b\uff0c\u4ecb\u7ecd\u4e86\u5728\u76f8\u540c\u4f4d\u7f6e\u4f7f\u7528\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u548c\u539f\u5b50\u63a2\u9488\u65ad\u5c42\u626b\u63cf\u7684\u4e92\u8865\u65b9\u6cd5\uff0c\u8bc1\u660e\u4e86\u5c40\u90e8\u9502\u6210\u5206\u7684\u6f14\u53d8\u548c\u76f8\u5e94\u7684\u539f\u5b50\u5c3a\u5ea6\u7684\u7ed3\u6784\u53d8\u5316\uff0c\u5bfc\u81f4\u9502\u79bb\u5b50\u7535\u6c60\u6b63\u6781Li(Ni0.80<\/sub>Co0.15<\/sub>Mn0.05<\/sub>)O2<\/sub>\uff08NCM\uff09\u7684\u5bb9\u91cf\u4e0b\u964d\u3002\u7814\u7a76\u8868\u660e\uff0c\u5229\u7528\u8fd9\u4e24\u79cd\u6280\u672f\uff0c\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\uff0c\u9502\u6d53\u5ea6\u68af\u5ea6\u4e0d\u65ad\u6f14\u53d8\uff0c\u68af\u5ea6\u7684\u6df1\u5ea6\u968f\u7740\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\u800c\u6210\u6bd4\u4f8b\u5730\u6269\u5927\u3002\u8fdb\u4e00\u6b65\u8868\u660e\uff0c\u5bb9\u7eb3\u9502\u79bb\u5b50\u7684\u80fd\u529b\u662f\u7531\u7ed3\u6784\u65e0\u5e8f\u7684\u7a0b\u5ea6\u51b3\u5b9a\u7684\u3002\u56e2\u961f\u7684\u53d1\u73b0\u4e3a\u9502\u79bb\u5b50\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u884c\u4e3a\u63d0\u4f9b\u4e86\u76f4\u63a5\u8bc1\u636e\uff0c\u540c\u65f6\u4e5f\u662f\u9502\u79bb\u5b50\u7535\u6c60\u5bb9\u91cf\u8870\u51cf\u7684\u6765\u6e90\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cEvolution and expansion of Li concentration gradient during charge\u2013discharge cycling\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Nat. Commun.<\/b><\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe<\/strong>1 <\/strong>NCM\u9897\u7c92\u4e2d\u9502\u6d53\u5ea6\u68af\u5ea6\u5728\u5145\u653e\u7535\u5faa\u73af\u540e\u7684\u53d8\u5316<\/strong> a\uff09\u7279\u5b9a\u5bb9\u91cf\u4e0e\u5faa\u73af\u6b21\u6570\u7684\u5173\u7cfb\uff0c\u63ed\u793a\u4e86NCM\u7535\u6c60\u572845\u2103\u4e0b1C\u500d\u7387\u4e0b\u7684\u5bb9\u91cf\u5bb9\u91cf\u8870\u51cf\u3002<\/p>\n b\uff09\u6cbf\u6b21\u7ea7\u7c92\u5b50\u7684\u6df1\u5ea6\u8fdb\u884c\u7279\u5b9a\u4f4d\u70b9APT\u548cSTEM\u5206\u6790\u7684\u793a\u610f\u56fe\u3002\u6bd4\u4f8b\u5c3a\uff1a200nm\u3002<\/p>\n c, d\uff09\u5faa\u73af\u524d\u540e\uff0c\u6cbf\u7740\u9897\u7c92\u7684\u6df1\u5ea6\uff0c\u6bd4\u8f83APT\u6d4b\u91cf\u7684Li\u7684\u5f52\u4e00\u5316\u539f\u5b50\u6bd4\uff08c\uff09\u548c\u6210\u5206\u53d8\u5316\uff08d\uff09\u3002\u539f\u59cbNCM\u7528P\u8868\u793a\uff0c\u5f62\u6210NCM\u7528F\u8868\u793a\u3002Li\u6d53\u5ea6\u68af\u5ea6\u5728\u5faa\u73af\u540e\u5f00\u59cb\u6f14\u5316\uff0c\u4e14\u968f\u7740\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\uff0c\u68af\u5ea6\u6df1\u5ea6\u589e\u5927\u3002<\/p>\n \u56fe<\/strong>2 <\/strong>\u9502\u5728\u539f\u59cbNCM\u4e2d\u7684\u5747\u5300\u5206\u5e03\u548c\u5206\u5c42\u7ed3\u6784<\/strong> a\uff09\u5305\u62ecLi\u5728\u5185\u7684\u7ec4\u6210\u5143\u7d20\u6cbf\u6df1\u5ea6\u5747\u5300\u5206\u5e03\u7684APT\u6df1\u5ea6\u66f2\u7ebf\u3002<\/p>\n b\uff09\u5206\u522b\u4e3aLi\uff08\u7ea2\u8272\uff09\u3001Ni\uff08\u7eff\u8272\uff09\u3001Co\uff08\u7d2b\u8272\uff09\u3001Mn\uff08\u6a59\u8272\uff09\u3001O\uff08\u84dd\u8272\uff09\u7684APT\u4e09\u7ef4\u79bb\u5b50\u56fe\u3002\u663e\u793a\u6ca1\u6709\u5143\u7d20\u504f\u6790\u3002<\/p>\n c, d\uff09\u6cbf[11\u00af0]\u533a\u8f74\u7684STEM-HAADF\u56fe\u50cf\u3002\u5728\u8868\u9762(c)\u548c\u5185\u90e8(\u63d2\u56fe:\u653e\u5927\u56fe\u50cf)(d)\u90fd\u80fd\u6e05\u695a\u5730\u89c2\u5bdf\u5230\u5206\u5c42\u7ed3\u6784\u3002<\/p>\n e\uff09\u6cbf\uff08d\uff09\u4e2d\u865a\u7ebf\u65b9\u5757\u6240\u5305\u56f4\u7684\u533a\u57df\u7684HAADF\u5f3a\u5ea6\u66f2\u7ebf\uff0c\u663e\u793a\u6ca1\u6709TM\u8fc1\u79fb\u3002<\/p>\n \u56fe<\/strong>3 <\/strong>NCM-300\u5faa\u73af\u8868\u9762\u9644\u8fd1\u7684\u7f3a\u9502\u548c\u65e0\u5e8f\u7ed3\u6784\u7684\u6f14\u53d8<\/strong> a\uff09\u5728\u4e0a\u8868\u9762\u7684APT\u6df1\u5ea6\u5256\u9762\uff0c\u663e\u793a\u51fa\u660e\u663e\u7684\u7f3a\u9502\uff0c\u8fbe~15 nm(\u88ab\u70b9\u6b63\u65b9\u5f62\u5305\u56f4\u7684\u533a\u57df)\u3002<\/p>\n b, c\uff09\u4e0a\u8868\u9762STEM-HAADF\u56fe\u50cf\uff08b\uff09\u548c\u9876\u90e8\u8868\u9762\u7684\u5f3a\u5ea6\u66f2\u7ebf\uff08c\uff09\u3002TM\u7684\u8fc1\u79fb\u5bfc\u81f4\u4e86\u7c7b\u76d0\u5ca9\u76f8\u7684\u6f14\u5316\uff08\u63d2\u56fe\uff1a\u653e\u5927\u56fe\uff09\u3002\u7ea2\u8272\u7bad\u5934\u8868\u793aTM\u4ece3b\u70b9\u8fc1\u79fb\u52303a\u70b9\u3002<\/p>\n d\uff09APT\u6df1\u5ea6\u5256\u9762\u4ece\u9876\u90e8\u8868\u9762~30 nm\u5904\u5f00\u59cb\uff0c\u5448\u73b0\u51fa\u6cbf\u6df1\u5ea6\u9010\u6e10\u589e\u52a0\u7684Li\u6d53\u5ea6\u3002<\/p>\n e, f\uff09\u8ddd\u79bb\u8868\u9762~ 30nm\u5904\u7684STEM-HAADF\u56fe\u50cf\uff08e\uff09\u548c\u5f3a\u5ea6\u66f2\u7ebf\uff08f\uff09\u3002\u7ea2\u8272\u7bad\u5934\u663e\u793a\uff0c\u5728\u8868\u9762\u4ee5\u4e0b30 nm\u5904\uff0cTMs\u8fc1\u79fb\u7684\u7a0b\u5ea6\u5c0f\u4e8e\uff08c\uff09\u4e2d\u63a5\u8fd1\u9876\u90e8\u8868\u9762\u7684\u7a0b\u5ea6\u3002<\/p>\n \u56fe<\/strong>4 <\/strong>\u7f13\u89e3NCM-300\u5faa\u73af\u5185\u90e8\u7684\u7f3a\u9502\u548c\u65e0\u5e8f<\/strong> a\u5728\u8ddd\u9876\u90e8\u8868\u9762\u7ea6700nm\u5904\u7684APT\u6df1\u5ea6\u5256\u9762\uff0c\u663e\u793aLi\u6d53\u5ea6\u7565\u6709\u4e0d\u8db3<\/p>\n b, c\u5728500 nm – 1\u00b5m\u6df1\u5ea6\u91c7\u6837\u7684STEM-HAADF\u56fe\u50cf\uff08b\uff09\u548c\u5f3a\u5ea6\u66f2\u7ebf\uff08c\uff09\u3002<\/p>\n d NCM\u7c92\u5b50\u4e2d\u5fc3\u533a\u57df\u7684APT\u6df1\u5ea6\u66f2\u7ebf\uff0c\u7531\u4e8eTM\u54113a\u4f4d\u70b9\u8fc1\u79fb\u7684\u7a0b\u5ea6\u8f83\u4f4e\uff0c\u5f62\u6210\u4e86\u90e8\u5206\u65e0\u5e8f\u7ed3\u6784\uff08\u63d2\u56fe\uff1a\u653e\u5927\u7684\u56fe\u50cf\uff09\uff08\u7ea2\u8272\u7bad\u5934\uff09\uff0c\u663e\u793a\u4e86\u4e0eNCM\u539f\u59cb\u7c92\u5b50\u76f8\u540c\u7684Li\u6d53\u5ea6\u3002<\/p>\n e, f\u4e2d\u5fc3\u533a\u57df\u7684STEM-HAADF\u56fe\u50cf\uff08e\uff09\u548c\u5f3a\u5ea6\u5256\u9762\u56fe\uff08f\uff09\u3002\u5206\u5c42\u7ed3\u6784\uff08\u63d2\u56fe\uff1a\u653e\u5927\u7684\u56fe\u50cf\uff09\u4fdd\u6301\u826f\u597d\uff0c\u663e\u793a\u6ca1\u6709TM\u8fc1\u79fb\u3002<\/p>\n \u56fe<\/strong>5<\/strong>\u00a0<\/strong>\u968f\u7740\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\uff0c\u6bd4\u8f83Li\u7684\u5206\u5e03<\/strong> a\uff09\u5145\u7535-\u653e\u7535\u8fc7\u7a0b\u4e2d\u9502\u5bb9\u7eb3\u4f4d\u70b9\u7684\u793a\u610f\u56fe\u3002\u5728\u5145\u7535\u8fc7\u7a0b\u4e2d\uff0cTMs\u5728Li\u5c42\u4e2d\u5360\u636e3b Li\u4f4d\u70b9\u3002\u8fd9\u79cd\u4e0d\u53ef\u9006\u7684TM\u8fc1\u79fb\u6d88\u8017\u4e86Li\u5c42\u4e2dLi\u5bb9\u7eb3\u70b9\u7684\u6570\u91cf\u3002\u76f8\u53cd\uff0c\u5728\u653e\u7535\u8fc7\u7a0b\u4e2d\uff0cLi\u79bb\u5b50\u53ea\u662f\u7b80\u5355\u5730\u8865\u5145\u4e00\u4e9b\u7a7a\u7f6e\u76843b Li\u4f4d\u70b9\uff0c\u907f\u514d3a TM\u4f4d\u70b9\u3002\u56e0\u6b64\uff0c\u5c40\u90e8\u7684\u9502\u7f3a\u4e4f\u662f\u7531\u4e8e\u4e0d\u53ef\u9006\u7684TM\u8fc1\u79fb\u8017\u5c3d\u4e86\u9502\u7f3a\u4e4f\u7684\u5bb9\u7eb3\u4f4d\u70b9\u3002<\/p>\n b\uff09Li\u5206\u5e03\u968f\u5faa\u73af\u6b21\u6570\u589e\u52a0\u7684\u6f14\u53d8\u793a\u610f\u56fe\u3002\u6cbf\u5f84\u5411\u7684Li\u6d53\u5ea6\u68af\u5ea6\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u5448\u73b0\u51fa\u8868\u9762\u8f83\u4f4e\u3001\u4e2d\u90e8\u8f83\u9ad8\u7684\u8d8b\u52bf\u3002\u7531\u4e8e\u7f3a\u4e4f\u53ef\u5bb9\u7eb3\u9502\u7684\u4f4d\u70b9\uff0c\u68af\u5ea6\u7684\u6df1\u5ea6\u548c\u9502\u7684\u6d88\u8017\u7a0b\u5ea6\u90fd\u968f\u7740\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002<\/p>\n \u56fe<\/strong>6<\/strong>\u00a0<\/strong>\u5145\u653e\u7535\u5faa\u73af\u540e\u9502\u79bb\u5b50\u5206\u5e03\u4e0d\u5747\u5300\uff0c\u6cbf\u7ebf\u5f62\u7f3a\u9677\u5f62\u6210<\/strong> a, b\uff09\u7ebf\u72b6\u5bcc\u9502\u533aAPT Li\u56fe\u53ca\u6210\u5206\u56fe\u3002Li\u6d53\u5ea6\u5c40\u90e8\u8f83\u9ad8\uff0c\u5448\u7ebf\u72b6\u3002<\/p>\n c, d\uff09\u53cd\u76f8\u7574\u8fb9\u754c\uff08APDB\uff09\u7684STEM-HAADF\u56fe\u50cf\uff08c\uff09\u548c\u6676\u7c92\u4e2dAPDB\u7684\u6392\u5217\uff08d\uff09\u3002(c)\u4e2d\u7684\u63d2\u56fe\u662fAPDB\u7684\u793a\u610f\u56fe\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u56e2\u961f\u901a\u8fc7APT\u5206\u6790\u4e86NCM\u6b63\u6781\u6750\u6599\u7684\u7279\u5b9a\u4f4d\u70b9\u6210\u5206\uff0c\u5305\u62ec\u9502\u79bb\u5b50\u5206\u5e03\u3002\u5728\u5145\u653e\u7535\u5faa\u73af\u540e\uff0c\u6b21\u7ea7\u7c92\u5b50\u4e2d\u9502\u79bb\u5b50\u6d53\u5ea6\u68af\u5ea6\u6cbf\u5f84\u5411\u53d8\u5316\uff0c\u4ece\u4e00\u5b9a\u6df1\u5ea6\u5411\u7c92\u5b50\u8868\u9762\u9010\u6e10\u51cf\u5c0f\u3002\u968f\u7740\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\uff0c\u68af\u5ea6\u7684\u6df1\u5ea6\u589e\u5927\uff0c\u9502\u8017\u5c3d\u7684\u7a0b\u5ea6\u589e\u5927\uff0c\u5bfc\u81f4LiBs\u7684\u5bb9\u91cf\u8870\u51cf\u3002\u5229\u7528\u540c\u4f4dSTEM\u548cAPT\u7684\u4e92\u8865\u5206\u6790\u8868\u660e\uff0c\u5c40\u90e8\u9502\u7f3a\u5931\u662f\u7531\u4e8eTM\u5143\u7d20\u8fc1\u79fb\u5bfc\u81f4\u9502\u53ef\u8c03\u8282\u4f4d\u70b9\u7684\u7f3a\u5931\u30023a TM\u7a7a\u4f4d\u70b9\u4f3c\u4e4e\u4e0d\u80fd\u5bb9\u7eb3\u9502\u3002\u56e2\u961f\u7684\u5206\u6790\u8868\u660e\uff0c\u6291\u5236\u7535\u6c60\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u50a8\u9502\u4f4d\u70b9\u7684\u51cf\u5c11\u662f\u6539\u5584\u9502\u79bb\u5b50\u7535\u6c60\u5faa\u73af\u5bff\u547d\u7684\u4e00\u79cd\u7b56\u7565\u3002<\/p>\n<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n