以电解二氧化锰(EMD)和碳酸锂为原料采用固相法合成了尖晶石结构锰酸锂, 锰酸锂和原材料电解二氧化锰的颗粒粒度和形貌具有相似性.在试验范围内, 降低锰酸锂中超细颗粒, 其循环稳定性得到了明显的改善; 过量的锂对锰酸锂改性, 随着锂加入量的增大, 50℃下改性锰酸锂材料循环稳定性呈逐渐上升趋势, 同时比容量有所下降.通过粒度调整、离子改性, 合成了比容量为92.2 mAh·g-1的改性锰酸锂材料, 50 ℃下循环170次容量保持88%, 显示出较好的循环稳定性.
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