烧结气氛对Li(Ni0.6Co0.2Mn0.2)O2正极材料性能的影响

来源 :中国化学会第十七次全国电化学大会 | 被引量 : 0次 | 上传用户：green7116xxx

【摘要】

：

采用共沉淀法制备了Ni0.6Co0.2Mn0.2(OH)2前驱体,分别在空气气氛、氧气气氛下进行烧结.SEM结果表明,氧气气氛下烧结的样品G6-O单晶表面成分分布均匀,电化学性能较好,在常温2.7-4.2V范围内0.2C首轮放电容量达163.3mAh/g,50轮循环容量保持率为98.8％；而空气气氛烧结得到的样品G6-A表面Ni分布不均匀,其首轮放电容量较低(155.8mAh/g),50轮循环容量

【作者】

：

关豪元丁倩倩仇卫华王伟东

【机构】

：

深圳市天骄科技开发有限公司,广东,深圳,518119 深圳市天骄科技开发有限公司,广东,深圳,51

【出处】

：

中国化学会第十七次全国电化学大会

【发表日期】

：

2013年2期

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烧结气氛对Li(Ni0.6Co0.2Mn0.2)O2正极材料性能的影响

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