电解液添加剂稳定水系电池锌负极界面的研究进展

时文超, 刘宇, 张博冕, 李琪, 韩春华, 麦立强

Research progress and prospect on electrolyte additives for stabilizing the zinc anode interface in aqueous batteries

Wenchao SHI, Yu LIU, Bomian ZHANG, Qi LI, Chunhua HAN, Liqiang MAI

图6 (a) 加入和不加入聚合物添加剂的不同水电解质中的键合网络示意图[87]；(b) 在不同聚合物添加剂的1 mol/L ZnSO4 水溶液中，在1 mA/cm2 、1 mAh/cm2 的测试条件下，Zn-Cu电池的库仑效率和循环性能[87]；(c) 丝胶蛋白、丝素蛋白和具有不同构象和极性基团的肽分子之间的关系示意图，以及它们在AZMBs中作为电解液添加剂的应用[89]；(d) 在电流密度为10 mA/cm2 时，含/不含丝肽的ZnSO4 电解质中Zn沉积形貌的原位光学观察[89]；(e) 在含不同浓度的丝肽添加剂的ZnSO4 电解液中Zn-Cu电池的库仑效率[89]；(f) 在含/不含丝肽的ZnSO4 电解液中Zn-Zn对称电池的循环性能[89]

Fig. 6 (a) Schematic diagrams of the bonding networks in different aqueous electrolytes with and without polymer additives[87]; (b) Coulombic efficiency and cycling performance of Zn anodes in 1 mol/L ZnSO4 aqueous electrolytes with different polymer additives using the Zn-Cu cells under 1 mA/cm2, 1 mAh/cm2[87]; (c) Schematic illustration of the relationship among silk sericin, fibroin, and peptide molecules with diverse conformations and polar groups, and their applications as electrolyte additives in AZMBs[89]; (d) In situ optical observations of Zn deposition morphologies in the ZnSO4 electrolytes with/without silk peptide at a current density of 10 mA/cm2[89]; (e) Coulomb efficiency of Zn-Cu cells in ZnSO4 electrolyte containing different concentrations of silk peptide additive[89]; (f) Cycling performance of Zn-Zn symmetric cells in the ZnSO4 aqueous electrolytes with/without silk peptide[89]