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alt=\"\" width=\"600\" height=\"361\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/12\/\u56fe\u7247-2-18.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/12\/\u56fe\u7247-2-18-300x181.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" 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XANES\u5316\u5b66\u76f8\u56fe\u663e\u793a\uff0cNa<sub>1-\u03b4<\/sub>Ni<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u00a0(\u9ec4\u8272)\u5728\u4e0d\u540c\u626b\u63cf\u7535\u4f4d\u4e0b\u8fde\u7eed\u7684\u76f8\u53d8\u5316\u3002\u57283.9\u00a0V\u5904\u7684TXM\u6620\u5c04\u7ed9\u51fa\u4e86\u4e00\u4e9b\u6df7\u5408\u76f8\u4f4d\u533a\u57df\uff0c\u63ed\u793a\u53d6\u4ee3\u56fa\u6eb6\u4f53\u7f3aNa\u7684Na<sub>1-\u03b4<\/sub>Ni<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u5b58\u5728\u6a2a\u8de8\u4e24\u4e2a\u70ed\u529b\u5b66\u7ec4\u6210\u76f8NaNi<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u548cNi<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u4e4b\u95f4\u7684\u9636\u6bb5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-215246 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/12\/\u56fe\u7247-3-18.png\" alt=\"\" width=\"600\" height=\"365\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/12\/\u56fe\u7247-3-18.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/12\/\u56fe\u7247-3-18-300x183.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u91c7\u7528\u975e\u539f\u4f4dXANES\u5206\u6790\u65b9\u6cd5\u7814\u7a76\u4e86NaNi<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u5728Na<sup>+<\/sup>\u63d2\u5c42\u4e0b\u7684\u53cd\u5e94\u673a\u7406\u3002\u4e09\u4e2a\u7535\u6781\u6837\u54c1\u5206\u522b\u5145\u7535\u81f33.5\u30014.0\u30014.3 V\uff0c\u53e6\u4e00\u4e2a\u7535\u6781\u6837\u54c1\u5145\u7535\u81f34.3 V\u540e\u653e\u7535\u81f32.0 V\uff0c\u540c\u65f6\u5bf9\u6bd4\u539f\u59cb\u7684NaNi<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u6750\u6599\u3002\u56fe3b-d\u663e\u793a\u4e86\u4e94\u4e2a\u6837\u54c1\u7684Ni\u3001Fe\u548cMn\u7684 K\u8fd1\u8fb9\u5438\u6536\u5149\u8c31\u3002\u5f53\u7535\u538b\u4ece3.5 V\u589e\u52a0\u52304.0 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V\u65f6\uff0cFe\u7684K\u8fb9\u5149\u8c31\u5411\u9ad8\u80fd\u533a\u57df\u6709\u8f7b\u5fae\u7684\u79fb\u52a8\u3002\u8fd9\u79cd\u53d8\u5316\u4e0e\u5728O3-Na<sub>x<\/sub>Mn<sub>1\/3<\/sub>Fe<sub>2\/3<\/sub>O<sub>2<\/sub>\u4e2d\u89c2\u5bdf\u5230\u7684\u4e0d\u540c\u6c27\u5316\u72b6\u6001\u7684Fe\u884c\u4e3a\u76f8\u4f3c\uff0c\u4e0e\u4f5c\u8005\u7684\u5047\u8bbe\u4e00\u81f4\uff0c\u5373Fe<sup>3+<\/sup>\/Fe<sup>4+<\/sup>\u53cd\u5e94\u53d1\u751f\u5728\u7535\u6c60\u5145\u7535\u81f34.3 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V\u7684\u6837\u54c1\u6ca1\u6709\u89c2\u5bdf\u5230\u5149\u8c31\u7684\u53d8\u5316\uff0c\u8fd9\u8868\u660eNi\u3001Fe\u3001Mn\u5728Na<sub>1-\u03b4<\/sub>Ni<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u4e2d\u7684\u4ef7\u6001\u5728\u5faa\u73af\u540e\u53ef\u4ee5\u6062\u590d\u5230\u539f\u6765\u7684\u72b6\u6001\u3002\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u6210\u529f\u7684\u5229\u7528\u539f\u4f4dXRD\u548cTEM-XANES\u6280\u672f\u8054\u5408\u8bc1\u660e\u4e86\u4e0d\u540c\u622a\u6b62\u7535\u538b\u4e0b\u94a0\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u6750\u6599Na<sub>1-\u03b4<\/sub>Ni<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub>\u7684\u7ed3\u6784\u6f14\u53d8\u3002<\/p>\n<p>\u53c2\u8003\u6587\u732e\uff1aXie, Y., Wang, H., Xu, G., Wang, J., Sheng, H., Chen, Z., Miller, D. J. (2016). In Operando XRD and TXM Study on the Metastable Structure Change of NaNi<sub>1\/3<\/sub>Fe<sub>1\/3<\/sub>Mn<sub>1\/3<\/sub>O<sub>2<\/sub> under Electrochemical Sodium\u2010Ion Intercalation. 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