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OALib Journal期刊
ISSN: 2333-9721
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用不同碳源对lifepo$_{4}$的碳包覆改性
Keywords: 无机非金属材料,磷酸铁锂,共沉淀,原位碳包覆,碳化
Abstract:
？采用共沉淀方法结合原位碳包覆合成了lifepo4/c复合正极材料.对碳化过程和包覆lifepo4进行了研究.结果表明:在不同碳源的热解过程中,由于分子量和结构的不同,分解温度和碳化产物的结构也不相同;不同碳源的碳包覆对lifepo4的晶体结构有一定的影响,而且由于碳包覆层结构的差异所包覆改性的lifepo4表现出不同的电化学性能.文中还讨论了不同碳源对碳包覆后lifepo4/c的电化学性能的影响.
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