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微波水热法制备镍钴锰酸锂正极材料

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摘要 以NiSO4,CoSO4,MnSO4,KMnO4,LiOH为原料,采用微波水热法制备层状镍钴锰酸锂锂电池正极材料,用XRD、SEM和充放电能实验对比研究了微波水热的反应时间和反应温度对最终产物的结构,形貌和电化学性能的影响。实验结果表明:温度在180℃,反应时间为30min时,所制备的镍钴锰酸锂材料电化学性能最优,在2.5-4.5V、0.1C倍率下,首次放电容量为128.21mAh/g,前30次容量保持率为72.14%
出处 《科技传播》 2014年第11期136-137,共2页 Public Communication of Science & Technology
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