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电化学  2011 

锂离子电池正极材料LiMnPO4的合成研究

, PP. 306-311

Keywords: 磷酸锰锂,锂离子电池,间苯二酚甲醛树脂,固相法

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Abstract:

以间苯二酚甲醛树脂作碳源,由固相法合成LiMnPO4/C复合材料。研究不同合成温度和时间对产物形貌、结构以及电化学性能的影响。结果表明,600℃热处理3h制得的LiMnPO4粒径细小且分布均匀,一次颗粒为100~300nm,0.02C下首次放电容量达到121.6mAh?g-1,充放电循环20次仍然维持在110mAh?g-1以上,0.1C下放电容量为110mAh?g-1,1C仍然维持在60mAh?g-1以上。

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