水系锌离子电容器正极材料的研究进展

詹世英, 李欢欢, 胡方

The research process of cathode materials for aqueous zinc-ioncapacitors

Shiying ZHAN, Huanhuan LI, Fang HU

图3 (a)～(b) Zn2+ 在RuO2·H2O中储存的动力学分析，峰值电流与扫描速率的关系曲线和电容贡献[40]；Na0.11MnO2/3DG复合材料(c) XRD图谱；(d)～(e) GITT曲线和离子扩散系数[44]；(f) Co9S8@MnO2-60电极材料的TEM图谱；(g) 不同视角下的MnO2 结构模型的构建；(h) Na原子在无缺陷和含氧空位的单层MnO2 表面迁移的能垒；(i) Co9S8@MnO2-60基ZICs的CV曲线[45]

Fig. 3 (a)—(b) Kinetic analysis of Zn2+ storage in the RuO2·H2O: a relationship curve of peak current versus scan rate and capacitive contribution[40]; (c) XRD patterns; (d)—(e) GITT curves and ion diffusion coefficients[44]; (f) TEM images of Co9S8@MnO2-60; (g) The as-built structural model of MnO2 structure with different views; (h) The energy barrier of Na atom migrations on a single layer of MnO2 surface without defects and containing oxygen vacancies; (i) CV curves of Co9S8@MnO2-60-based ZICs[45]