水系锌离子电池金属负极的挑战与优化策略

王心怡, 李维杰, 韩朝, 刘化鹍, 窦世学

Challenges and optimization strategies of the anode of aqueous zinc-ion battery

Xinyi WANG, Weijie LI, Chao HAN, Huakun LIU, Shixue DOU

图6 (a) 裸Zn负极和ZrO2 涂层Zn负极的电镀剥离工艺示意图[41]；(b) 具有裸Zn和PANZ@Zn负极的对称电池的电化学阻抗谱(EIS)[67]；(c) 循环100圈后，裸Zn负极侧和PANZ@Zn负极的图像[67]；(d) 裸Zn 和Zn/In负极在水性ZnSO4 电解液中的示意图[68]；(e) 裸Zn和Zn/In负极在浸入ZnSO4 电解液之前和之后的XRD图像[68]；(f) 裸Zn和Zn/In对称电池的循环性能[68]

Fig. 6 (a) Schematic the stripping/plating processes of the bare Zn anode and the ZrO2-coated Zn anode[41]; (b) Electrochemical impedance spectra (EIS) of symmetric cells with bare Zn and PANZ@Zn anodes[67]; (c) After the 100th cycle, digital picture of bare Zn anode side and PANZ@Zn side[67]; (d) Schematics of the behaviour of bare Zn and Zn/In anodes in an aqueous ZnSO4 electrolyte[68]; (e) XRD patterns of bare Zn and Zn/In before and after immersion in the aqueous ZnSO4 electrolyte[68]; (f) The cycling performance of bare Zn and Zn/In in symmetric cells[68]