用电化学测试方法解析阴离子在水溶盐电解液中的传输行为

测试分析锌离子电池中阴离子的氧化还原反应， 以MnO₂为研究对象， 用循环伏安法、 恒流充放电法及非原位X射线光电子能谱测试分析MnO₂中的氧在水溶盐电解液中的氧化还原反应. 结果表明， 在低浓度电解液中， 氧未发生氧化还原反应， 在质量摩尔浓度为30 mol/kg的ZnC_l2电解液中， 氧在高电位处发生氧化还原反应.

Analyzing Transport Behavior of Anions in Water-in-Salt Electrolyte by Electrochemical Measurement Methods

The redox reaction of anions in zinc ion batteries was tested and analyzed. Taking the MnO₂ as the research object, the cyclic voltammetry, galvanostatic charge-discharge method and ex situ X-ray photoelectron spectroscopy were applied to analyze the redox reaction of oxygen of MnO₂ in water-in-salt electrolyte. The results show that the oxidation reaction of oxygen exists at high potential when using the 30 mol/kg ZnCl₂, but it does not happen in the diluted electrolyte.