首页|新型电解质及添加剂对镁空气电池界面调控研究进展

新型电解质及添加剂对镁空气电池界面调控研究进展

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镁空气电池因其高能量密度和环境友好性而备受关注,但镁阳极/电解质界面存在不可逆的电解-沉积、阳极自腐蚀和氢气析出等问题,严重影响电池的稳定性、安全性、寿命和功率密度.电解质调控是改善阳极/电解质界面的性质进而提高镁空气电池的综合性能的重要手段,综述了最近用于镁空气电池的电解质添加剂及新型电解质的研究和开发进展.电解质添加剂涉及无机、有机和复合型三大类,它们可以抑制阳极腐蚀、增强离子电导率、提高阳极效率等;新型电解质主要包括新型水系电解质和凝胶电解质,前者可以削弱析氢等有害副反应,后者可以规避漏液且具有高离子导电率和较低漏电流等优点.未来开发更多新型电解质添加剂及新型电解质是提升镁空气电池性能和稳定性的有效途径.
Research progress on interface engineering of magnesium-air batteries from new electrolytes and additives
The magnesium-air battery has garnered significant attention due to its high energy density and envi-ronmental friendliness.However,the magnesium anode/electrolyte interface suffers from irreversible electroly-sis-deposition,anode self-corrosion,and hydrogen evolution issues,which severely impact the battery's stabili-ty,safety,lifespan,and power density.Electrolyte modulation is a crucial approach to enhancing the properties of the anode/electrolyte interface and consequently improving the overall performance of magnesium-air batter-ies.This article provides an overview of recent research and developments in electrolyte additives and novel elec-trolytes for magnesium-air batteries.Electrolyte additives can be categorized into three major classes:inorganic,organic,and composite.They have the potential to suppress anode corrosion,enhance ionic conductivity,and improve anode efficiency.Novel electrolytes primarily encompass new aqueous electrolytes and gel-based elec-trolytes.The former can mitigate detrimental side reactions,such as hydrogen evolution,while the latter can prevent electrolyte leakage and offer high ionic conductivity with low leakage current.The development of more novel electrolyte additives and innovative electrolytes holds promise for enhancing the performance and stability of magnesium-air batteries in the future.

magnesium-air batteriesinterface regulationelectrolyte additivesnovel electrolytescorrosionhy-drogen evolution

仇帅帅、曹献龙、万涛、李雨洹、田维玮、韦沿江、邓洪达、谭伯川、余大亮、兰伟

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重庆科技大学 冶金与材料工程学院,重庆 401331

纳微复合材料与器件重庆市重点实验室,重庆 401331

镁空气电池 界面调控 电解质添加剂 新型电解质 腐蚀 析氢

重庆市教育委员会科学技术研究重点项目重庆市自然科学基金面上项目重庆科技学院研究生科技创新计划项目重庆科技学院研究生科技创新计划项目

KJZD-K202101503CSTB2023NSCQ-MSX0038YKJCX2220217YKJCX2220215

2024

10.3969/j.issn.1001-9731.2024.03.008

功能材料
重庆材料研究院 中国仪器仪表学会仪表材料学会

功能材料

CSTPCD北大核心
影响因子：0.918
ISSN：1001-9731
年,卷(期)：2024.55(3)
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