膜
电解质
质子交换膜燃料电池
质子输运
离子液体
热稳定性
离子电导率
质子
电化学
电导率
化学工程
化学
纳米技术
材料科学
有机化学
工程类
电极
物理
生物化学
物理化学
催化作用
量子力学
作者
Yinghui Zhou,Ji‐Yu Wang,Zhiwei Ling,Qingting Liu,Xudong Fu,Yanhua Zhang,Rong Zhang,Shengfei Hu,Feng Zhao,Li Xiao,Xujin Bao,Jun Yang
标识
DOI:10.1016/j.scitotenv.2024.171099
摘要
To ensure the long-term performance of proton-exchange membrane fuel cells (PEMFCs), proton-exchange membranes (PEMs) have stringent requirements at high temperatures and humidities, as they may lose proton carriers. This issue poses a serious challenge to maintaining their proton conductivity and mechanical performance throughout their service life. Ionogels are ionic liquids (ILs) hybridized with another component (such as organic, inorganic, or organic-inorganic hybrid skeleton). This design is used to maintain the desirable properties of ILs (negligible vapor pressure, thermal stability, and non-flammability), as well as a high ionic conductivity and wide electrochemical stability window with low outflow. Ionogels have opened new routes for designing solid-electrolyte membranes, especially PEMs. This paper reviews recent research progress of ionogels in proton-exchange membranes, focusing on their electrochemical properties and proton transport mechanisms.
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