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
Enhancing Cycle Life of Graphite‖LiFePO4 Batteries via Copper Substituted Li2Ni1-xCuxO2 Cathode Prelithiation Additive
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 |
| 郑建明, 张静文, 焦天鹏 |
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Enhancing Cycle Life of Graphite‖LiFePO4 Batteries via Copper Substituted Li2Ni1-xCuxO2 Cathode Prelithiation Additive |
| Jian-Ming Zheng, Jing-Wen Zhang, Tian-Peng Jiao |
| Fig. 6. (a) Rietveld refinement results of LiFePO4 electrodes with Li2Ni0.7Cu0.3O2 after 1000 cycles. (b) Phase proportion of fully-charged baseline LiFePO4 electrode and Li2Ni0.7Cu0.3O2-added electrodes after 1000 cycles. (c) Photograph and (d, e) SEM images of disassembled graphite electrodes from the fully-charged cells using LiFePO4 as cathode without and with Li2Ni0.7Cu0.3O2. (f) C 1s and (g) F 1s XPS spectra of graphite anode retrieved from the cell without and with Li2Ni0.7Cu0.3O2 after 1000 cycles at delithiated state. |
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