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高镍三元锂离子电池循环衰减分析及改善
张欣(), 孔令丽, 高腾跃, 李海涛, 姚晓辉, 李福轩
Analysis and improvement of cycle performance for Ni-rich lithium ion battery
ZHANG Xin(), KONG Lingli, GAO Tengyue, LI Haitao, YAO Xiaohui, LI Fuxuan

图5. 循环前后高镍正极材料的SEM照片

Fig.5. SEM images of Ni-rich cathode materials