铜取代型Li2Ni1-xCuxO2正极补锂剂提升石墨/磷酸铁锂电池循环寿命

铜取代型Li₂Ni_1-_xCu_xO₂正极补锂剂提升石墨/磷酸铁锂电池循环寿命

郑建明, 张静文, 焦天鹏

Enhancing Cycle Life of Graphite‖LiFePO₄ Batteries via Copper Substituted Li₂Ni_1-_xCu_xO₂ Cathode Prelithiation Additive

Jian-Ming Zheng, Jing-Wen Zhang, Tian-Peng Jiao

Fig. 4. (a) Schematic illustration of a graphite‖LiFePO₄ pouch cell with a nominal capacity of 3000 mAh assembled by the prototype line of Xiamen Hithium Energy Storage Technology Co., Ltd. LiFePO₄ pouch cell. (b) Cycling performance curves of pouch cell with Li₂NiO₂ and Li₂Ni_0.7Cu_0.3O₂ prelithiation additives. (c) The 60^th and (d) 1000^th charge/discharge curves.