Ion Exchange Membranes: Constructing and Tuning Ion Transport Channels

Peipei Zuo; Ziang Xu; Qing ZhuJin RanLiang GeXiaolin GeLiang WuZhengjin YangTongwen Xu

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Ion Exchange Membranes: Constructing and Tuning Ion Transport Channels

机译：Ion Exchange Membranes: Constructing and Tuning Ion Transport Channels

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Ion exchange membranes (IEMs) that can selectively transport ions are crucialto a variety of applications, such as ion extraction/separation, fuel cells,redox flow batteries, and water electrolysis. IEM performance, in terms ofmembrane permeability/conductivity and selectivity, relies heavily on the formationof effective ion transport channels within the membranes, and thereexists a tradeoff between permeability/conductivity and selectivity, whichobstructs the development and widespread adoption of IEM-based processes.To overcome this tradeoff and to advance IEM-related applications, extensiveresearch efforts are devoted to the construction and tuning of ion transportchannels, and various strategies are proposed. These strategies mainlyinclude 1) inducing microphase separation by properly regulating the polymerarchitecture, 2) introducing a third phase/region for ion transfer, 3) realizing ahigh free volume with polyrotaxanes or polymers with sterically bulky groups,and 4) constructing ion transport channels with nanoporous materials. Thesestrategies are outlined and summarized in this review. Perspectives andfuture research directions are also discussed.

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《Advanced functional materials》 |2022年第52期|2207366.1-2207366.37|共37页
作者
Peipei Zuo; Ziang Xu; Qing ZhuJin RanLiang GeXiaolin GeLiang WuZhengjin YangTongwen Xu;
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作者单位

Department of Applied ChemistrySchool of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefei 230026, P. R. China;

The State Key Laboratory of Chemical EngineeringDepartment of Chemical EngineeringTsinghua UniversityBeijing 100084, P. R. China;

School of Chemistry and Chemical EngineeringHefei University of TechnologyHefei 230009, P. R. China;

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正文语种英语
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advanced separations; electromembrane processes; ion exchange membranes; ion transport channels;

Ion Exchange Membranes: Constructing and Tuning Ion Transport Channels

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