电池2026，Vol.56Issue(2)：329-337,9.DOI:10.19535/j.1001-1579.2026.02.006
乙二胺四甲叉膦酸提升碱锰电池的性能
Enhancing the electrochemical performance of alkaline Zn/MnO2 battery with EDTMP
摘要
Abstract
In order to enhance the electrochemical performance and storage stability of alkaline zinc-manganese(Zn/MnO2)batteries,the ethylenediamine tetramethylene phosphonic acid(EDTMP)is used as electrolyte additive.With an EDTMP addition of 0.025%,the internal resistance of the LR6 battery is reduced from 76 mΩ in the control group to 70 mΩ.In a 3.9 Ω constant-resistance continuous discharge condition maintains until 0.9 V,the discharge time exhibits an increase from 331.4 min in the control group to 351.8 min.Following a 14 d storage period at 60℃,the EDTMP-modified battery exhibits an internal resistance increase of 200%,in comparison to the control group's 514%.Concurrently,the gas evolution volume diminishes from 0.52 mL to 0.34 mL.The EDTMP-modified battery also exhibits superior performance under other national standard discharge modes.EDTMP can improve the stability of the electrode interface by forming a coordinated protective film through preferential adsorption on the zinc surface.In addition,by participating in the solvation structure,the hydrogen bond in the water molecule is destroyed,the free water contact with the zinc electrode is blocked,the hydrogen evolution corrosion is inhibited.关键词
碱性锌锰(碱锰)电池/乙二胺四甲叉膦酸(EDTMP)/电解液添加剂/析氢腐蚀/放电性能Key words
alkaline zinc-manganese(Zn/MnO2)battery/ethylenediamine tetramethylene phosphonic acid(EDTMP)/electrolyte additive/hydrogen evolution corrosion/discharge performance分类
信息技术与安全科学引用本文复制引用
温志超,曾远镝,路钊,胡宇芬,陈敏..乙二胺四甲叉膦酸提升碱锰电池的性能[J].电池,2026,56(2):329-337,9.基金项目
国家自然科学基金(22109047),广东省自然科学基金(2023A1515011659),广州市虎头电池集团股份有限公司科技项目[(2024)HT技 00001] （22109047）
