{"id":91883,"date":"2017-07-18T06:30:57","date_gmt":"2017-07-17T22:30:57","guid":{"rendered":"\/\/m.iemloyee.com\/?p=91883"},"modified":"2017-07-17T23:06:13","modified_gmt":"2017-07-17T15:06:13","slug":"%e5%8d%8e%e4%b8%ad%e7%a7%91%e6%8a%80%e5%a4%a7%e5%ad%a6%e6%9d%8e%e4%bc%9a%e5%b7%a7sci-bull-%e9%9d%99%e7%94%b5%e7%ba%ba%e4%b8%9d%e6%b3%95%e4%b8%80%e6%ad%a5%e5%88%b6%e5%a4%87%e9%ab%98%e6%80%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=91883","title":{"rendered":"\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u674e\u4f1a\u5de7Sci. Bull.: \u9759\u7535\u7eba\u4e1d\u6cd5\u4e00\u6b65\u5236\u5907\u9ad8\u6027\u80fd\u9502\u79bb\u5b50\u7535\u6c60Li3VO4@C\u7eb3\u7c73\u7ea4\u7ef4\u8d1f\u6781\u6750\u6599"},"content":{"rendered":"

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

Li3<\/sub>VO4<\/sub>(LVO)\u7531\u4e8e\u5177\u6709\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\u3001\u8f83\u4f4e\u4e14\u5b89\u5168\u7684\u5de5\u4f5c\u7535\u4f4d\u800c\u53d7\u5230\u4e86\u5e7f\u6cdb\u5173\u6ce8\uff0c\u4f46\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u7136\u9762\u4e34\u7740\u8bf8\u591a\u95ee\u9898\u3002\u9996\u5148\uff0cLVO\u7684\u7535\u5b50\u5bfc\u7535\u6027\u5dee\uff0c\u5bfc\u81f4\u5176\u7535\u963b\u6781\u5316\u8f83\u5927\u3001\u53cd\u5e94\u52a8\u529b\u5b66\u8f83\u6162\u3001\u500d\u7387\u6027\u80fd\u8f83\u5dee\uff1b\u5176\u6b21\uff0cLVO\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u5b58\u5728\u8f83\u5927\u7684\u7ed3\u6784\u5e94\u529b\u548c\u4f53\u79ef\u53d8\u5316\uff0c\u91cd\u590d\u7684\u4f53\u79ef\u53d8\u5316\u4f1a\u7834\u574fLVO\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u5bfc\u81f4\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u5bb9\u91cf\u8870\u51cf\u3002\u76ee\u524d\u4e3a\u6b62\uff0c\u6539\u5584LVO\u7535\u5316\u5b66\u6027\u80fd\u7684\u6700\u4e3b\u8981\u65b9\u6cd5\u662f\u51cf\u5c0f\u9897\u7c92\u5c3a\u5bf8\u6216\u8005\u4e0e\u78b3\u6750\u6599\u590d\u5408\u3002\u4e00\u65b9\u9762\uff0c\u51cf\u5c0f\u9897\u7c92\u5c3a\u5bf8\u53ef\u4ee5\u589e\u52a0\u7535\u6781\/\u7535\u89e3\u6db2\u754c\u9762\uff0c\u7f29\u77edLi+<\/sup>\u6269\u6563\u8ddd\u79bb\uff0c\u63d0\u9ad8\u7535\u6781\u53cd\u5e94\u52a8\u529b\u5b66\uff0c\u4f46\u662f\u7531\u4e8eLVO\u7684\u8868\u9762\u5728\u7535\u89e3\u6db2\u4e2d\u4e0d\u7a33\u5b9a\uff0c\u5728\u9996\u6b21\u653e\u7535\u8fc7\u7a0b\u4e2d\u4f1a\u5728\u7535\u6781\u8868\u9762\u5f62\u6210\u8f83\u539a\u7684SEI\u819c\uff0c\u7535\u6781\/\u7535\u89e3\u8d28\u754c\u9762\u7684\u589e\u52a0\u52bf\u5fc5\u4f1a\u964d\u4f4e\u6750\u6599\u7684\u9996\u6b21\u5e93\u4f26\u6548\u7387\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u8868\u9762\u5305\u8986\u78b3\u5c42\u7684\u65b9\u6cd5\u6539\u5584\u754c\u9762\u95ee\u9898\uff0c\u4f46\u662f\u8868\u9762\u8f83\u8584\u7684\u78b3\u5c42\u4e0d\u80fd\u6709\u6548\u7684\u7f13\u51b2\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u4f53\u79ef\u53d8\u5316\u3002\u53e6\u4e00\u65b9\u9762\uff0cLVO\u548c\u78b3\u6750\u6599\u7684\u5747\u5300\u590d\u5408\u7269\u4e0d\u4ec5\u80fd\u591f\u63d0\u9ad8LVO\u7684\u7535\u5b50\u5bfc\u7535\u6027\uff0c\u8fd8\u53ef\u4ee5\u4f5c\u4e3a\u4f53\u79ef\u53d8\u5316\u7684\u7f13\u51b2\u5c42\uff0c\u56e0\u6b64\u88ab\u5e7f\u6cdb\u7814\u7a76\u3002\u4f46\u662f\uff0c\u4e4b\u524d\u62a5\u9053\u7684LVO\/C\u590d\u5408\u6750\u6599\u7684\u5408\u6210\u5927\u591a\u662f\u591a\u6b65\u53cd\u5e94\uff0c\u8f83\u96be\u5b9e\u73b0LVO\u548cC\u7684\u5747\u5300\u5206\u5e03\u4e14\u751f\u4ea7\u6210\u672c\u8f83\u9ad8\uff0c\u56e0\u6b64\u53d1\u5c55\u4e00\u79cd\u53ef\u4ee5\u5927\u89c4\u6a21\u751f\u4ea7\u7684\u4e00\u6b65\u5408\u6210LVO\/C\u590d\u5408\u6750\u6599\u7684\u65b9\u6cd5\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u9759\u7535\u7eba\u4e1d\u6cd5\u662f\u4e00\u79cd\u7b80\u5355\u6709\u6548\u7684\u5236\u5907\u4e00\u7ef4\u7eb3\u7c73\u7ed3\u6784\u7684\u65b9\u6cd5\uff0c\u5e76\u4e14\u76f8\u6bd4\u4e8e\u5176\u4ed6\u56fa\u76f8\u53cd\u5e94\u3001\u6eb6\u80f6\u51dd\u80f6\u548c\u6c34\u70ed\u7b49\u65b9\u6cd5\uff0c\u9759\u7535\u7eba\u4e1d\u6cd5\u4e5f\u66f4\u5bb9\u6613\u83b7\u5f97\u6d3b\u6027\u6750\u6599\u4e0e\u78b3\u7684\u5747\u5300\u590d\u5408\u7269\u3002<\/p>\n

\u8fd1\u671f\uff0c\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u674e\u4f1a\u5de7\u6559\u6388<\/strong>\u8bfe\u9898\u7ec4\u5728Science Bulletin<\/strong>\u4e0a\u53d1\u8868\u9898\u4e3a\u201cOne-pot synthesis of Li3<\/sub>VO4<\/sub>@C nanofibers by electrospinning with enhanced electrochemical performance for lithium-ion batteries\u201d<\/strong>\u7684\u6587\u7ae0\u3002\u7814\u7a76\u8005\u4eec\u7b2c\u4e00\u6b21\u901a\u8fc7\u7b80\u5355\u7684\u9759\u7535\u7eba\u4e1d\u6cd5\u5408\u6210\u4e86\u7eaf\u76f8\u7684LVO@C\u7eb3\u7c73\u7ea4\u7ef4\uff0c\u4e3a\u4e86\u83b7\u5f97\u6700\u4f18\u5f62\u8c8c\u7684LVO@C\u7eb3\u7c73\u7ea4\u7ef4\uff0c\u6587\u4e2d\u7cfb\u7edf\u5730\u7814\u7a76\u4e86\u4e0d\u540c\u7684\u70ed\u5904\u7406\u8fc7\u7a0b\u548c\u9492\u6e90\u5bf9\u4ea7\u7269\u5f62\u8c8c\u7684\u5f71\u54cd\u3002\u5b9e\u9a8c\u8868\u660e\uff0c\u4ee5\u4e59\u9170\u4e19\u916e\u6c27\u9492\u4f5c\u4e3a\u9492\u6e90\uff0c\u7ecf\u8fc7\u4e24\u6b65\u70ed\u5904\u7406\u8fc7\u7a0b\u53ef\u4ee5\u5f97\u5230\u5f62\u8c8c\u8f83\u597d\u7684LVO@C\u7eb3\u7c73\u7ea4\u7ef4\uff0c\u540c\u65f6\u5177\u6709\u7eb3\u7c73\u5c3a\u5bf8\u7684LVO\u9897\u7c92\u5747\u5300\u7684\u9576\u5d4c\u5728\u65e0\u5b9a\u5f62\u78b3\u57fa\u8d28\u4e2d\u7684\u72ec\u7279\u7ed3\u6784\u3002\u76f8\u6bd4\u6ca1\u6709\u91c7\u7528\u9759\u7535\u7eba\u4e1d\u6cd5\u5236\u5907\u7684LVO\/C\u7c89\u672b\uff0cLVO@C\u7eb3\u7c73\u7ea4\u7ef4\u5177\u6709\u66f4\u9ad8\u7684\u53ef\u9006\u5bb9\u91cf\u3001\u9996\u5708\u5e93\u4f26\u6548\u7387\u4ee5\u53ca\u66f4\u597d\u7684\u500d\u7387\u6027\u80fd\u548c\u5faa\u73af\u6027\u80fd\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe\u4e00\u00a0 LVO\u6837\u54c1\u7684SEM\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u539f\u59cb\u7eb3\u7c73\u7ea4\u7ef4\uff1b<\/p>\n

(b) LVO-600\uff1b<\/p>\n

(d) LVO(VA<\/sub>)-180\uff1b<\/p>\n

(e) LVO(VA<\/sub>)-180-600\uff1b<\/p>\n

(g) LVO(VB<\/sub>)-180\uff1b<\/p>\n

(h) LVO(VB<\/sub>)-180-600\uff1b<\/p>\n

(c) (f) (i) \u5206\u522b\u4e3a(b) (e) (h) \u7684\u9ad8\u500d\u6570\u653e\u5927\u56fe\u50cf\u3002<\/p>\n

\u56fe1\u662f\u4f7f\u7528\u4e0d\u540c\u9492\u6e90\u5728\u4e0d\u540c\u7145\u70e7\u6761\u4ef6\u4e0b\u5f97\u5230\u7684LVO\u6837\u54c1\u7684SEM\u56fe\u50cf\u3002\u56fe1a\u4e2d\u521a\u7eba\u51fa\u6765\u7684\u7eb3\u7c73\u7ea4\u7ef4\u5149\u6ed1\u5747\u5300\uff0c\u4f46\u5728\u6c2e\u6c14\u6c14\u6c1b\u4e0b600\u2103\u7145\u70e7\u540e\uff0c\u7ea4\u7ef4\u5f62\u8c8c\u5b8c\u5168\u88ab\u7834\u574f\uff0c\u53ea\u5f97\u5230\u4e0d\u89c4\u5219\u7684\u7eb3\u7c73\u9897\u7c92\uff0c\u5982\u56fe1b\u3002\u968f\u540e\uff0c\u589e\u52a0\u4e00\u6b65\u4f4e\u6e29\u9884\u7a33\u5b9a\u8fc7\u7a0b\uff0c\u5982\u56fe1d\uff0c\u4f7f\u7528C15<\/sub>H21<\/sub>O6<\/sub>V\u4f5c\u4e3a\u9492\u6e90\u65f6\uff0c180\u2103\u9884\u70e7\u540e\u80fd\u4fdd\u6301\u7eb3\u7c73\u7ea4\u7ef4\u5149\u6ed1\u7684\u8868\u9762\uff0c600\u2103\u7145\u70e7\u540e\u5f97\u5230\u7684\u6700\u7ec8\u4ea7\u7269\u5c3d\u7ba1\u7ea4\u7ef4\u8868\u9762\u53d8\u5f97\u7c97\u7cd9\u4f46\u4ecd\u80fd\u4fdd\u6301\u7eb3\u7c73\u7ea4\u7ef4\u5f62\u8c8c\uff0c\u5982\u56fe1e\u6240\u793a\u3002\u76f8\u6bd4\u8f83\u4e4b\u4e0b\uff0c\u4ee5C10<\/sub>H14<\/sub>O5<\/sub>V\u4f5c\u4e3a\u9492\u6e90\u65f6\uff0c600\u2103\u7145\u70e7\u540e\u7684\u6700\u7ec8\u4ea7\u7269\u53ef\u4ee5\u4fdd\u6301\u7c7b\u4f3c\u539f\u59cb\u7ea4\u7ef4\u7684\u5149\u6ed1\u5747\u5300\u7684\u5f62\u8c8c\uff0c\u5982\u56fe1g\u548c1h\uff0c\u7eb3\u7c73\u7ea4\u7ef4\u7684\u76f4\u5f84\u5728200-400 nm\u3002<\/p>\n

\u56fe\u4e8c\u00a0 LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684\u5408\u6210\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u539f\u59cb\u7eb3\u7c73\u7ea4\u7ef4\uff1b<\/p>\n

(b) LVO-180\uff1b<\/p>\n

(c) LVO-180-600\uff1b<\/p>\n

(d) LVO-600\uff1b<\/p>\n

(e) PVP\uff0cC10<\/sub>H14<\/sub>O5<\/sub>V\uff0cC15<\/sub>H21<\/sub>O6<\/sub>V\u5728\u6c29\u6c14\u6c14\u6c1b\u4e0b\u6d4b\u8bd5\u7684\u70ed\u91cd\u66f2\u7ebf\uff0c\u5347\u6e29\u901f\u738710\u2103 min-1<\/sup>\u3002<\/p>\n

\u5728\u70ed\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u9492\u6e90\u3001\u9502\u6e90\u548cPVP\u5747\u4f1a\u53d1\u751f\u5206\u89e3\u53cd\u5e94\uff0c\u91ca\u653e\u6c14\u4f53\u5e76\u4f34\u968f\u6709\u8d28\u91cf\u635f\u5931\u3002\u5f53\u539f\u59cb\u7ea4\u7ef4\u76f4\u63a5600\u2103\u7145\u70e7\u65f6\uff0c\u8fd9\u4e09\u4e2a\u5206\u89e3\u53cd\u5e94\u540c\u65f6\u53d1\u751f\uff0c\u4e25\u91cd\u7684\u8d28\u91cf\u635f\u5931\u4f1a\u5bfc\u81f4\u8f83\u5927\u7684\u4f53\u79ef\u6548\u5e94\u548c\u7ed3\u6784\u91cd\u6392\uff0c\u56e0\u6b64\u7ea4\u7ef4\u5f62\u8c8c\u88ab\u7834\u574f\u800c\u5f97\u5230\u4e0d\u89c4\u5219\u7684\u7eb3\u7c73\u9897\u7c92\u3002\u4f46\u662f\uff0c\u901a\u8fc7180\u2103\u548c600\u2103\u4e24\u6b65\u70ed\u5904\u7406\u7684\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u53cd\u5e94\u8fdb\u7a0b\uff0c\u4f7f\u9492\u6e90\u548c\u9502\u6e90\u7684\u5206\u89e3\u4e0ePVP\u7684\u5206\u89e3\u5206\u6b65\u8fdb\u884c\uff0c\u56e0\u6b64\u80fd\u591f\u5f88\u597d\u7684\u4fdd\u6301\u7eb3\u7c73\u7ea4\u7ef4\u7684\u5f62\u8c8c\u3002<\/p>\n

\u56fe\u4e09\u00a0 \u4f7f\u7528\u4e0d\u540c\u9492\u6e90\u5408\u6210LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684\u793a\u610f\u56fe\"\"<\/strong><\/p>\n

(a) C10<\/sub>H14<\/sub>O5<\/sub>V\u7684\u6c34\u89e3\u548c\u805a\u5408\u8fc7\u7a0b\uff1b<\/p>\n

(b) C15<\/sub>H21<\/sub>O6<\/sub>V\u7684\u6c34\u89e3\u548c\u805a\u5408\u8fc7\u7a0b\u3002<\/p>\n

\u9664\u4e86\u70ed\u5904\u7406\u8fc7\u7a0b\u4f1a\u5f71\u54cd\u6700\u7ec8\u4ea7\u7269\u7684\u5f62\u8c8c\u5916\uff0c\u9492\u6e90\u4e5f\u662f\u4e00\u4e2a\u5f71\u54cd\u56e0\u7d20\u3002 C10<\/sub>H14<\/sub>O5<\/sub>V\u5bb9\u6613\u6c34\u89e3\uff0c\u5e76\u901a\u8fc7HO-V-OH2<\/sub>\u65b9\u5411\u7684\u7f9f\u8054\u548cHO-V-OH\u65b9\u5411\u7684\u6c27\u8054\u81ea\u53d1\u805a\u5408\uff0c\u5f62\u6210\u76f8\u4e92\u4ea4\u8054\u7684\u9492\u6c27\u5316\u7269\u7684\u7f51\u7edc\u7ed3\u6784\uff0c\u8fd9\u79cd\u7a33\u5b9a\u7684\u7ed3\u6784\u5728\u9ad8\u6e29\u7145\u70e7\u8fc7\u7a0b\u4e2d\u6709\u5229\u4e8e\u4fdd\u6301\u7eb3\u7c73\u7ea4\u7ef4\u7684\u5f62\u8c8c\u3002\u4f46\u662f\u5bf9C15<\/sub>H21<\/sub>O6<\/sub>V\uff0c\u7531\u4e8e\u7a7a\u95f4\u4f4d\u963b\u8f83\u5927\uff0c\u6bcf\u4e2a\u5206\u5b50\u4e2d\u4ec5\u6709\u4e00\u4e2a-C5<\/sub>H7<\/sub>O2<\/sub>\u57fa\u56e2\u53ef\u4ee5\u6c34\u89e3\uff0c\u56e0\u6b64\u96be\u4ee5\u5f62\u6210\u7a33\u5b9a\u7684\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n

\u56fe\u56db\u00a0 XRD\u56fe\u8c31\u548c\u62c9\u66fc\u5149\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

(a) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u548cLVO\/C\u7c89\u672b\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

(b) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u548cLVO\/C\u7c89\u672b\u7684\u62c9\u66fc\u5149\u8c31\u3002<\/p>\n

\u4e3a\u4e86\u5bf9\u6bd4\uff0c\u5728\u540c\u6837\u7684\u5408\u6210\u6761\u4ef6\u4e0b\u4e0d\u91c7\u7528\u9759\u7535\u7eba\u4e1d\u6cd5\u5236\u5907\u4e86LVO\/C\u7c89\u672b\u3002\u4eceXRD\u56fe\u8c31\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u548cLVO\/C\u7c89\u672b\u7684\u6240\u6709\u7684\u884d\u5c04\u5cf0\u90fd\u7b26\u5408LVO\u76f8\uff08JCPDS No. 38-1247\uff09\uff0c\u6ca1\u6709\u5176\u4ed6\u76f8\u7684\u6742\u5cf0\uff0c\u8bf4\u660e\u4ea7\u7269\u662f\u7eaf\u76f8\u7684LVO\u3002\u62c9\u66fc\u5149\u8c31\u4e2d\uff0c250-500\u548c750-950 cm-1<\/sup>\u8303\u56f4\u7684\u5cf0\u662fLVO\u7684\u7279\u5f81\u5cf0\uff0c1200-1460\u548c1470-1730 cm-1<\/sup>\u8303\u56f4\u7684\u5cf0\u5206\u522b\u662fC\u6750\u6599\u7684D\u5cf0\u548cG\u5cf0\uff0c\u8868\u660e\u590d\u5408\u6750\u6599\u4e2dC\u7684\u5b58\u5728\u3002<\/p>\n

\u56fe\u4e94\u00a0 LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684XPS\u56fe\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

(a) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684XPS\u5168\u8c31\uff1b<\/p>\n

(b) LVO@C\u7684V 2p\u9ad8\u5206\u8fa8XPS\u56fe\u8c31\uff1b<\/p>\n

(c) LVO@C\u7684C 1s\u9ad8\u5206\u8fa8XPS\u56fe\u8c31\uff1b<\/p>\n

(d) LVO@C\u7684O 1s\u9ad8\u5206\u8fa8XPS\u56fe\u8c31\u3002<\/p>\n

XPS\u5168\u8c31\u8bc1\u5b9e\u4e86\u7eb3\u7c73\u7ea4\u7ef4\u4e2dLi\uff0cC\uff0cV\u548cO\u5143\u7d20\u7684\u5b58\u5728\u3002V 2p\u7684\u9ad8\u5206\u8fa8\u56fe\u8c31\u4e2d\uff0c 525.4\u548c517.6 eV\u5904\u7684\u5cf0\u5206\u522b\u5bf9\u5e94\u4e94\u4ef7\u9492\u7684V 2p1\/2<\/sub>\u548cV 2p3\/2<\/sub>\uff0c523.8 eV\u5904\u7684\u5cf0\u53ef\u4ee5\u5f52\u56e0\u4e8eO 1s\u7684X\u5c04\u7ebf\u536b\u661f\u5cf0\u3002C 1s\u7684\u9ad8\u5206\u8fa8\u56fe\u8c31\u4e2d\uff0c285.0 eV\u7684\u5cf0\u5bf9\u5e94sp2<\/sup>\u6742\u5316\u7684C-C\u952e\uff0c286.4\u548c290.2 eV\u7684\u5cf0\u5206\u522b\u5bf9\u5e94C-O\u952e\u548cO-C=O\u952e\u3002O 1s\u7684\u9ad8\u5206\u8fa8\u56fe\u8c31\u4e2d\uff0c530.2\u548c532.1 eV\u5904\u7684\u5cf0\u5206\u522b\u5bf9\u5e94\u91d1\u5c5e\u6c27\u5316\u7269\u548c\u542b\u6c27\u5b98\u80fd\u56e2\u4e2d\u7684O\u3002<\/p>\n

\u56fe\u516d\u00a0 LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684TEM\u548cHRTEM\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

(a,b) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684HRTEM\u56fe\u50cf\uff1b<\/p>\n

(c-f) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684TEM\u56fe\u50cf\u548c\u5bf9\u5e94\u7684V\uff0cO\uff0cC\u7684\u5143\u7d20mapping\u56fe\u3002<\/p>\n

HRTEM\u56fe\u50cf\u4e2d\u53ef\u4ee5\u770b\u5230LVO\u7eb3\u7c73\u9897\u7c92\u8868\u9762\u5747\u5300\u5305\u8986\u4e86\u4e00\u5c42\u78b3\uff0c\u7eb3\u7c73\u9897\u7c92\u7684\u6676\u9762\u95f4\u8ddd\u662f0.272 nm\uff0c\u5bf9\u5e94LVO\u7684\uff08020\uff09\u6676\u9762\uff1bLVO\u7eb3\u7c73\u9897\u7c92\u7684\u5c3a\u5bf8\u572810-20 nm\uff0c\u5747\u5300\u9576\u5d4c\u5728\u65e0\u5b9a\u5f62\u78b3\u57fa\u8d28\u4e2d\u3002\u4eceTEM\u56fe\u548c\u5bf9\u5e94\u7684\u5143\u7d20mapping\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230C\u5143\u7d20\u7684\u5206\u5e03\u548cV\uff0cO\u5143\u7d20\u7684\u5206\u5e03\u4e00\u81f4\uff0c\u8bf4\u660eLVO\u548cC\u5b9e\u73b0\u4e86\u7eb3\u7c73\u5c3a\u5ea6\u4e0a\u7684\u5747\u5300\u590d\u5408\u3002<\/p>\n

\u56fe\u4e03\u00a0 LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u548cLVO\/C\u7c89\u672b\u7684\u7535\u5316\u5b66\u6027\u80fd\"\"<\/strong><\/p>\n

(a, b) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u548cLVO\/C\u7c89\u672b\u572840 mA\/g\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

(c) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

(d) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u548cLVO\/C\u7c89\u672b\u7684\u500d\u7387\u6027\u80fd\u5bf9\u6bd4\uff1b<\/p>\n

(e) LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u548cLVO\/C\u7c89\u672b\u7684\u5faa\u73af\u6027\u80fd\u5bf9\u6bd4\u3002<\/p>\n

LVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7684\u9996\u6b21\u653e\u7535\u5bb9\u91cf\u4e3a548 mAh\/g\uff0c\u5145\u7535\u5bb9\u91cf\u4e3a451 mAh\/g\uff0c\u9996\u6b21\u5e93\u4f26\u6548\u7387\u8fbe82.3%\uff0c\u660e\u663e\u4f18\u4e8eLVO\/C\u7c89\u672b\uff08\u9996\u6b21\u653e\u7535\u5bb9\u91cf\u4e3a499 mAh\/g\uff0c\u5145\u7535\u5bb9\u91cf\u4e3a352 mAh\/g\uff0c\u5e93\u4f26\u6548\u7387\u4e3a70.6%\uff09\u3002\u5373\u4f7f\u5728\u5927\u7535\u6d41\u5bc6\u5ea6\uff0c\u59824000 mA\/g\u65f6\uff0cLVO@C\u7eb3\u7c73\u7ea4\u7ef4\u7535\u6781\u7684\u53ef\u9006\u5bb9\u91cf\u4ecd\u80fd\u4fdd\u6301100 mAh\/g\u300240 mA\/g\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5faa\u73af100\u5708\u540e\u7684\u653e\u7535\u5bb9\u91cf\u80fd\u4fdd\u6301394 mAh\/g\uff0c\u5e93\u4f26\u6548\u7387\u63a5\u8fd1100%\u3002<\/p>\n

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

\u7814\u7a76\u8005\u4eec\u9996\u6b21\u901a\u8fc7\u9759\u7535\u7eba\u4e1d\u6cd5\u6210\u529f\u5408\u6210\u51fa\u4e86\u7eaf\u76f8\u7684LVO@C\u7eb3\u7c73\u7ea4\u7ef4\uff0c\u5b9e\u9a8c\u8868\u660e\uff0c\u4e0d\u540c\u7684\u70ed\u5904\u7406\u8fc7\u7a0b\u548c\u9492\u6e90\u5bf9\u7eb3\u7c73\u7ea4\u7ef4\u5f62\u8c8c\u7684\u4fdd\u6301\u6709\u91cd\u8981\u7684\u4f5c\u7528\u3002\u76f8\u6bd4\u4e8eLVO\/C\u7c89\u672b\uff0cLVO@C\u7eb3\u7c73\u7ea4\u7ef4\u5177\u6709\u66f4\u597d\u7684\u7535\u5316\u5b66\u6027\u80fd\uff0c\u8fd9\u5f52\u56e0\u4e8e\u5176\u72ec\u7279\u7684\u7ed3\u6784\u2014\u2014\u7eb3\u7c73\u5c3a\u5bf8\u7684LVO\u9897\u7c92\u5747\u5300\u7684\u9576\u5d4c\u5728\u65e0\u5b9a\u5f62\u78b3\u57fa\u8d28\u4e2d\u3002\u8fd9\u79cd\u7ed3\u6784\u4f7f\u5f97LVO\u5177\u6709\u8f83\u5feb\u7684\u53cd\u5e94\u52a8\u529b\u5b66\u548c\u7a33\u5b9a\u7684\u7535\u6781\/\u7535\u89e3\u6db2\u754c\u9762\uff0c\u63d0\u9ad8\u7535\u5b50\u5bfc\u7535\u6027\u7684\u540c\u65f6\uff0c\u4e5f\u80fd\u6709\u6548\u7684\u7f13\u51b2\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u4f53\u79ef\u53d8\u5316\u3002\u603b\u4e4b\uff0c\u9759\u7535\u7eba\u4e1d\u6280\u672f\u7ed9\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u9ad8\u6548\u7684\u63d0\u9ad8LVO\u6027\u80fd\u7684\u65b9\u6cd5\uff0c\u4f7fLVO\u6210\u4e3a\u4e00\u79cd\u6709\u5e0c\u671b\u7684\u9502\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599\u3002<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1a<\/strong>One-pot synthesis of Li3<\/sub>VO4<\/sub>@C nanofibers by electrospinning with enhanced electrochemical performance for lithium-ion batteries.<\/a>( Sci. Bull.,2017, DOI:https:\/\/doi.org\/10.1016\/j.scib.2017.07.001)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4Jane915126\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065952\u201d\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c<\/strong>\u4e0a\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 Li3VO4(LVO)\u7531\u4e8e\u5177\u6709\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\u3001\u8f83\u4f4e\u4e14\u5b89\u5168\u7684\u5de5\u4f5c\u7535\u4f4d\u800c\u53d7\u5230\u4e86\u5e7f\u6cdb\u5173\u6ce8\uff0c\u4f46\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u7136\u9762\u4e34\u7740\u8bf8\u591a\u95ee\u9898\u3002\u9996\u5148\uff0cLVO\u7684\u7535\u5b50\u5bfc\u7535\u6027\u5dee\uff0c\u5bfc…<\/p>\n","protected":false},"author":369,"featured_media":91885,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[129],"class_list":["post-91883","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-battery"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/91883"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/369"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=91883"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/91883\/revisions"}],"predecessor-version":[{"id":92026,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/91883\/revisions\/92026"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/91885"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91883"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}