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\uff08a\uff09\u5728\u60f0\u6027\u6c14\u6c1b\u4e0b\uff0c\u4e09\u79cd\u542b\u6c1f\u805a\u5408\u7269\uff08CYTOP\uff0cTeflon \/ PTFE\u548cPVDF\uff09\u7684\u70ed\u91cd\u5206\u6790-\u8d28\u8c31\uff08TGA-MS\uff09\u663e\u793a\u53ea\u6709CYTOP\u5728\u4f4e\u4e8e250\u2103\u7684\u6e29\u5ea6\u4e0b\u91ca\u653eF2<\/sub>\u3002<\/p>\n

\uff08b\uff09\u793a\u610f\u56fe\u8bf4\u660e\uff0c\u542b\u6c1f\u805a\u5408\u7269CYTOP\u5728\u52a0\u70ed\u65f6\u9010\u6e10\u5206\u89e3\u548c\u91ca\u653e\u7eaf\u7684F2<\/sub>\u6c14\u4f53\uff0c\u5176\u4e0eLi\u91d1\u5c5e\u6216Lix<\/sub>Si NPs\u53cd\u5e94\u5f62\u6210\u5747\u5300\u81f4\u5bc6\u7684LiF\u4fdd\u62a4\u5c42\u3002<\/p>\n

\uff08c\uff09\u56e0\u4e3a\u5728\u6c34\u6eb6\u6db2\u548c\u6709\u673a\u6eb6\u5242\u4e2d\u90fd\u5177\u6709\u8d85\u4f4e\u6eb6\u89e3\u5ea6\uff0cLi\u91d1\u5c5e\u8d1f\u6781\u4e0a\u7684LiF\u4fdd\u62a4\u5c42\u53ef\u6291\u5236\u4e0e\u78b3\u9178\u578b\u7535\u89e3\u6db2\u7684\u8150\u8680\u53cd\u5e94\uff0c\u548c\u5728\u7535\u6c60\u5236\u5907\u8fc7\u7a0b\u4e2d\u4e0e\u73af\u5883\u7684\u8150\u8680\u53cd\u5e94\u3002\u5bf9\u4e8e\u8bf8\u5982Lix<\/sub>Si\u7684\u9884\u9502\u5316\u8d1f\u6781\u6750\u6599\uff0cLiF\u5305\u8986\u5c42\u6539\u5584\u4e86\u5176\u4e0e\u5de5\u4e1a\u5236\u9020\u5de5\u827a\u7684\u76f8\u5bb9\u6027\uff0c\u7279\u522b\u662f\u5728\u5e38\u89c4\u6d46\u6db2\u6eb6\u5242NMP\u4e2d\u7684\u52a0\u5de5\u6027\u80fd\u3002<\/p>\n

\u56fe<\/strong>2.LiF<\/strong>\u6d82\u5c42\u7684<\/strong>Li<\/strong>\u91d1\u5c5e\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09LiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7684\u622a\u9762\u805a\u7126\u79bb\u5b50\u675f\uff08FIB\uff09\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\uff08SEM\uff09\u56fe\u50cf\u3002\u63d2\u56fe\u662fLiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7684\u7167\u7247\uff0c\u663e\u793a\u51fa\u95ea\u4eae\u7684\u91d1\u8272\u3002<\/p>\n

\uff08b\uff09FIB-SEM\u56fe\u50cf\u8868\u660e\u4e0d\u540cLi\u6676\u7c92\u4e0a\u7684LiF\u5c42\u5408\u5e76\u5728\u4e00\u8d77\u5f62\u6210\u5b8c\u5168\u8986\u76d6Li\u91d1\u5c5e\u6676\u754c\u7684\u8fde\u7eed\u5305\u8986\u5c42\u3002<\/p>\n

\uff08c\uff09LiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7684XPS\u5149\u8c31\u3002 Li 1s\u5149\u8c31\u7684\u6e85\u5c04\u6df1\u5ea6\u5206\u5e03\u56fe\u3002<\/p>\n

\uff08d,e\uff09LiF\u5305\u8986\u4e4b\u524d\uff08e\uff09\u548c\u4e4b\u540e\uff08d\uff09\u7684Li\u91d1\u5c5e\u9897\u7c92\u7684TEM\u56fe\u50cf\u3002<\/p>\n

\uff08f\uff09\u9ad8\u500dTEM\u56fe\u50cf\u663e\u793a\u81f4\u5bc6\u7684LiF\u6d82\u5c42\u75315-10 nm\u8303\u56f4\u5185\u7684\u8d85\u5fae\u6676\u6784\u6210\u3002 \u63d2\u56fe\uff1a\u9ad8\u5206\u8fa8\u7387TEM\u56fe\u50cf\u663e\u793a\u4e86\u5177\u67090.234 nm\u6676\u683c\u95f4\u8ddd\u7684LiF\u6676\u4f53\u7684\uff08111\uff09\u6676\u683c\u9762\u3002<\/p>\n

\u56fe<\/strong>3. LiF<\/strong>\u5305\u8986\u7684<\/strong>Li<\/strong>\u91d1\u5c5e\u7684\u7535\u5316\u5b66\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\u5728\u7535\u6d41\u5bc6\u5ea6\u5206\u522b\u4e3a\uff08a\uff091mA\/cm2<\/sup>\uff0c\uff08b\uff093mA \/cm2<\/sup>\uff0c\uff08c\uff095mA \/ cm 2<\/sup>\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06LiF\u5305\u8986\u7684Li\u91d1\u5c5e\uff08\u7ea2\u8272\uff09\u548c\u65e0\u5305\u8986\u7684Li\u91d1\u5c5e\uff08\u9ed1\u8272\uff09\u5bf9\u79f0\u7535\u6c60\u5728\u78b3\u9178\u578b\u7535\u89e3\u6db2\u4e2d\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n

\uff08d\uff09\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a1mA \/ cm2<\/sup>\u7684\u4e94\u4e2a\u5faa\u73af\u4e4b\u540e\uff0c\u5bf9\u6bd4LiF\u5305\u8986\u7684Li\u91d1\u5c5e\u548c\u65e0\u5305\u8986\u7684Li\u91d1\u5c5e\u7535\u6c60\u7684\u963b\u6297\u8c31\u3002<\/p>\n

\uff08e\uff09LiF\u5305\u8986\u7684Li\u91d1\u5c5e\/ LiFePO4<\/sub>\uff08LFP\uff09\u548c\u65e0\u5305\u8986\u7684Li\u91d1\u5c5e\/ LFP\u7535\u6c60\u57280.1C\u81f310C\u7684\u5404\u79cd\u500d\u7387\u4e0b\u7684\u500d\u7387\u6027\u80fd\u3002\u5bb9\u91cf\u548c\u500d\u7387\u5747\u57fa\u4e8e\u6b63\u6781\u4e2d\u7684LFP\u8d28\u91cf\uff081C = 0.17A \/ g\u7684LFP\uff09\u3002\u7531\u4e8eLFP\u6b63\u6781\u7684\u8d28\u91cf\u8d1f\u8f7d\u4e3a6mg \/ cm2<\/sup>\uff0c\u7535\u6c60\u7684\u7535\u6d41\u5bc6\u5ea6\u5bf9\u4e8e1C\u4e3a0.714mA \/ cm2<\/sup>\uff0c\u5bf9\u4e8e10C\u4e3a7.14mA \/ cm2<\/sup>\u3002<\/p>\n

\u56fe<\/strong>4.<\/strong>\u5faa\u73af\u540e<\/strong>Li<\/strong>\u7535\u6781\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5728EC \/ DEC\u7535\u89e3\u6db2\u7684\u5bf9\u79f0\u7535\u6c60\u4e2d\u5265\u79bb\/\u7535\u954050\u6b21\u5faa\u73af\u540e\uff0cLiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7684SEM\u56fe\u50cf\u3002\u5728\u5bf9\u79f0\u7535\u6c60\u4e2d\u5faa\u73af50\u540e\uff0c\u4e24\u4e2aLiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7535\u6781\u7684\u6a2a\u622a\u9762FIB-SEM\u56fe\u50cf\u3002 \u7535\u6781\u5bf9\u5e94\u4e8e\uff08b\uff09\u5265\u79bb\u72b6\u6001\u548c\uff08c\uff09\u7535\u9540\u72b6\u6001\u3002<\/p>\n

\u5728EC \/ DEC\u4e2d\u5265\u79bb\/\u7535\u9540300\u6b21\u5faa\u73af\u540e\u7684LiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7684\uff08d\uff09FIB-SEM\u56fe\u50cf\u548c\uff08e\uff09\u6a2a\u622a\u9762FIB-SEM\u56fe\u50cf\u3002<\/p>\n

\uff08f\uff09\u7ecf300\u6b21\u5faa\u73af\u540e\u7684LiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7684XPS\u5149\u8c31\u3002\u8fdb\u884c\u516d\u79d2\u79bb\u5b50\u67aa\u6e85\u5c04\u4ee5\u9664\u53bbLi\u76d0\u6b8b\u6e23\u3002<\/p>\n

\uff08g\uff09\u5728\u5bf9\u79f0\u7535\u6c60\u4e2d\u5faa\u73af300\u6b21\u540e\u7684\u65e0\u5305\u8986\u7684\u9502\u91d1\u5c5e\u7535\u6781\u7684\u6a2a\u622a\u9762FIB-SEM\u56fe\u50cf\u3002<\/p>\n

\uff08h\uff09\u672a\u5305\u8986\u7684Li\u91d1\u5c5e\u7535\u6781\u548c\uff08i\uff09LiF\u5305\u8986\u7684Li\u91d1\u5c5e\u5728DEC\u4e2d\u6d78\u6ce16\u5c0f\u65f6\u540e\u7684SEM \u56fe\u3002\u63d2\u56fe\u662f\u76f8\u5e94\u7684\u7167\u7247\u3002<\/p>\n

\u56fe<\/strong>5. LiF<\/strong>\u5305\u8986\u7684<\/strong>LixSi NP<\/strong>\u7684\u8868\u5f81\u548c\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

LiF\u5305\u8986\u7684Lix<\/sub>Si NPs\u7684\uff08a\uff09TEM\u56fe\u50cf\u548c\uff08b\uff09XRD\u56fe\u3002<\/p>\n

\uff08c\uff09\u6c14\u76f8\u8272\u8c31\u6cd5\u6d4b\u5b9a\u5305\u8986\uff08\u7ea2\u8272\uff09\u548c\u672a\u5305\u8986\uff08\u84dd\u8272\uff09Lix<\/sub>Si NPs\u4e0eNMP\u53cd\u5e94\u91ca\u653e\u7684\u6c14\u4f53\u7684\u91cf\u3002<\/p>\n

\uff08d\uff09\u4f7f\u7528\u4e0d\u540c\u6eb6\u5242\u5f62\u6210\u6d46\u6599\u7684LiF\u5305\u8986\u7684Lix<\/sub>Si NPs\uff08\u5b9e\u7ebf\uff09\u548c\u672a\u5305\u8986\u7684Lix<\/sub>Si NPs\uff08\u865a\u7ebf\uff09\u7684\u7b2c\u4e00\u5708\u7684\u8131\u9502\u5bb9\u91cf\u3002<\/p>\n

\uff08e\uff09\u66b4\u9732\u4e8e\u7a7a\u6c14\uff08~40\uff05RH\uff09\u4e2d\u7684\uff0cLiF\u5305\u8986\u7684Lix<\/sub>Si NPs\u7684\u5728\u4e0d\u540c\u65f6\u95f4\u7684\u9502\u5bb9\u91cf\u3002\u63d2\u56fe\u663e\u793a\u4e86LiF\u5305\u8986\u7684Lix<\/sub>Si NPs\uff08\u7ea2\u8272\uff09\u548cLi2<\/sub>O\u5305\u8986\u7684Lix<\/sub>Si NPs\uff08\u9ed1\u8272\uff09\u968f\u7740\u7a7a\u6c14\u66b4\u9732\u65f6\u95f4\u7684\u5bb9\u91cf\u8870\u51cf\u8d8b\u52bf\u3002<\/p>\n

\uff08f\uff09LiF\u5305\u8986\u7684Lix<\/sub>Si NPs\uff08\u7ea2\u8272\uff09\uff0c\u672a\u5305\u8986\u7684LixSi NPs\uff08\u84dd\u8272\uff09\u548cSi NPs\u5bf9\u7167\u7535\u6c60\uff08\u9ed1\u8272\uff09\u7684\u5faa\u73af\u6027\u80fd\u3002\u8fd9\u4e9b\u7535\u6c60\u5728\u524d\u51e0\u5708\u4e2d\u5148\u4ee5C\/20\u5faa\u73af\uff0c\u7136\u540e\u4ee5C\/2\u5faa\u73af\uff081C = 4.2 A \/ g\uff0c\u5bb9\u91cf\u57fa\u4e8e\u7535\u6781\u4e2dSi\u7684\u8d28\u91cf\uff09\u3002\u5e93\u4ed1\u6548\u7387\u7ed8\u5236\u5728\u4e8c\u6b21y\u8f74\u4e0a\uff08LiF\u5305\u8986\u7684LixSi NPs\uff0c\u7ea2\u8272\u548c\u672a\u5305\u8986\u7684LixSi NPs\uff0c\u84dd\u8272\uff09\u3002<\/p>\n

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

\u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u53d1\u4e86\u4e00\u79cd\u7b80\u4fbf\u7684\u8868\u9762\u6c1f\u5316\u5de5\u827a\uff0c\u4ece\u800c\u5728\u9ad8\u5bb9\u91cf\u542bLi\u8d1f\u6781\u6750\u6599\u4e0a\u5f62\u6210\u5747\u5300\u4e14\u81f4\u5bc6\u7684LiF\u5305\u8986\u5c42\u3002 \u4f5c\u4e3a\u7406\u60f3\u7684\u9ad8\u5206\u5b50\u805a\u5408\u7269\u6c1f\u6e90\uff0cCYTOP\u5728\u8f83\u4f4e\u6e29\u5ea6\u4e0b\u5206\u89e3\u548c\u91ca\u653e\u7eaf\u6c1f\u6c14\u4f53\uff0c\u907f\u514d\u76f4\u63a5\u5904\u7406\u9ad8\u6bd2\u6027\u6c1f\u6c14\u3002 LiF\u5305\u8986\u5c42\u4e3aLi\u91d1\u5c5e\u8d1f\u6781\u63d0\u4f9b\u5177\u6709\u5316\u5b66\u7a33\u5b9a\u6027\u548c\u673a\u68b0\u5f3a\u5ea6\u7684\u754c\u9762\u5c42\uff0c\u901a\u8fc7\u4f7f\u4e0e\u78b3\u9178\u578b\u7535\u89e3\u6db2\u7684\u8150\u8680\u53cd\u5e94\u6700\u5c0f\u5316\u4ece\u800c\u8fbe\u5230\u6291\u5236\u679d\u6676\u5f62\u6210\u7684\u6548\u679c\u3002\u56e0\u6b64\uff0cLiF\u5305\u8986\u7684Li\u91d1\u5c5e\u7535\u6c60\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a1mA\/cm 2<\/sup>\u548c5mA\/cm2<\/sup>\u7684\u60c5\u51b5\u4e0b\uff0c\u5728\u78b3\u9178\u578b\u7535\u89e3\u6db2\u4e2d\uff0c\u5728300\u4e2a\u5faa\u73af\u4e2d\u8868\u73b0\u51fa\u65e0\u679d\u6676\u548c\u7a33\u5b9a\u7684\u5faa\u73af\u3002\u8be5\u7b56\u7565\u4e5f\u9002\u7528\u4e8e\u5177\u6709\u590d\u5408\u7eb3\u7c73\u7ed3\u6784\u7684Li\u91d1\u5c5e\u8d1f\u6781\u3002\u6b64\u5916\uff0c\u81f4\u5bc6\u548c\u7ed3\u6676\u7684LiF\u5305\u8986\u5c42\u6539\u5584\u4e86LixSi NPs\u5728\u6f6e\u6e7f\u7a7a\u6c14\u548c\u5e38\u89c4\u6d46\u6599\u6eb6\u5242\uff08NMP\uff09\u4e2d\u7684\u7a33\u5b9a\u6027\uff0c\u8868\u660eLiF-LixSi NPs\u4e0e\u5de5\u4e1a\u7535\u6781\u5236\u9020\u5de5\u827a\u5177\u6709\u517c\u5bb9\u6027\u3002\u4f7f\u7528LiF\u5305\u8986\u5c42\uff0c\u7535\u89e3\u6db2\u7684\u5206\u89e3\u5f97\u5230\u4e86\u6709\u6548\u7684\u6291\u5236\uff0c\u56e0\u6b64\u5728\u957f\u671f\u5faa\u73af\u671f\u95f4LiF-LixSi NPs\u59cb\u7ec8\u4fdd\u6301\u9ad8\u7684CE\uff08\u5e73\u5747CE\u4e3a99.92\uff05\uff0c\u4ece\u7b2c\u4e09\u5faa\u73af\u81f3\u7b2c650\u5faa\u73af\uff09\u3002\u56e0\u6b64\uff0c\u8fd9\u79cd\u72ec\u7279\u7684\u8868\u9762\u6c1f\u5316\u5de5\u827a\u6709\u5229\u4e8e\u73b0\u6709\u7684\u9502\u79bb\u5b50\u7535\u6c60\u548c\u4e0b\u4e00\u4ee3\u9502\u91d1\u5c5e\u7535\u6c60\u6280\u672f\u3002\u8fd9\u79cd\u6c1f\u5316\u65b9\u6cd5\u4e0d\u4ec5\u5bf9\u80fd\u91cf\u7814\u7a76\u9886\u57df\u6709\u663e\u7740\u7684\u8d21\u732e\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u77f3\u58a8\u70ef\u6539\u6027\u548c\u6709\u673a\u5408\u6210\u7b49\u5176\u4ed6\u9886\u57df\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aSurface Fluorination of Reactive Battery Anode Materials for Enhanced Stability<\/a>\uff08J. Am. Chem. Soc.\uff0c2017\uff0cDOI: 10.1021\/jacs.7b05251\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u5b66\u672f\u5c0f\u7ec4 \u80cc\u9006\u65f6\u5149 \u4f9b\u7a3f\uff0c\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

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1a<\/strong>xiaofire-18<\/strong>\uff0c\u5434\u73ab\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n

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