CN103003193A - 一种磷酸铁锂复合材料、其制备方法和应用 - Google Patents

一种磷酸铁锂复合材料、其制备方法和应用 Download PDF

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CN103003193A
CN103003193A CN2010800682068A CN201080068206A CN103003193A CN 103003193 A CN103003193 A CN 103003193A CN 2010800682068 A CN2010800682068 A CN 2010800682068A CN 201080068206 A CN201080068206 A CN 201080068206A CN 103003193 A CN103003193 A CN 103003193A
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phosphate material
lithium phosphate
composite ferric
iron phosphate
nano
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CN103003193B (zh
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周明杰
潘军
王要兵
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Oceans King Lighting Science and Technology Co Ltd
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Abstract

提供了一种磷酸铁锂复合材料、其制备方法和用途。该磷酸铁锂复合材料为微米级颗粒结构，该微米级颗粒结构的内部包括有纳米级磷酸铁锂晶粒以及石墨烯，该微米级颗粒结构的外层包覆有纳米碳微粒。该磷酸铁锂复合材料具有高导电率、高倍率充放电性能及高振实密度。该制备方法包括：按照磷:铁=1:1的摩尔比配制铁盐混合溶液；将上述溶液加入到有机碳源水溶液中，混合反应，得到有机碳源包覆的纳米磷酸铁；将上述有机碳源包覆的纳米磷酸铁和锂源化合物加入到氧化石墨烯水溶液中，搅拌、混合，随后喷雾干燥，得到磷酸铁锂复合材料前驱体；在还原气氛下煅烧所述前驱体，自然冷却，得到所述磷酸铁锂复合材料。该材料的用途为用于锂离子电池或正极材料。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201080068206.8A 2010-09-29 2010-09-29 一种磷酸铁锂复合材料、其制备方法和应用 Active CN103003193B (zh)

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CN109280984A (zh) * 2018-07-28 2019-01-29 巢湖市瀚海渔具有限公司 一种聚三亚甲基碳酸酯改性氧化石墨烯增强聚乙烯渔网
CN110407186A (zh) * 2019-08-01 2019-11-05 湖北昊瑞新能源有限公司 一种共沉淀法制备磷酸铁及磷酸铁锂材料的方法
CN111430687A (zh) * 2020-03-10 2020-07-17 东莞市创明电池技术有限公司 碳包覆磷酸铁锂复合材料及其制备方法，锂离子电池
CN113651303A (zh) * 2021-08-13 2021-11-16 中南大学 一种纳米片状磷酸铁的制备方法及应用其制得的LiFePO4/C正极活性材料
CN114604838A (zh) * 2022-05-10 2022-06-10 兰州兰石中科纳米科技有限公司 一种用于磷酸铁干燥煅烧方法
CN114927655A (zh) * 2022-04-29 2022-08-19 山东昭文新能源科技有限公司 一种多层包覆磷酸铁锂电极材料及其制备方法与应用
CN115275155A (zh) * 2022-08-19 2022-11-01 广东邦普循环科技有限公司 一种易加工的磷酸铁锂复合材料及其制备方法

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