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    • 4. 发明申请
    • ELECTROCHEMICAL ENERGY STORAGE DEVICES COMPRISING SELF-COMPENSATING POLYMERS
    • 包含自我补偿聚合物的电化学能量储存装置
    • WO2015175553A1
    • 2015-11-19
    • PCT/US2015/030409
    • 2015-05-12
    • ARIZONA BOARD OF REGENTS on behalf of ARIZONA STATE UNIVERSITY
    • JOHNSON, PaulBAUTISTA-MARTINEZ, Jose, AntonioFRIESEN, CodySWITZER, Elise
    • H01M4/60H01M8/18
    • H01M4/608C08G75/06H01M4/606
    • The disclosed technology relates generally to devices comprising conductive polymers and more particularly to electrochemical devices comprising self-compensating conductive polymers. In one aspect, electrochemical energy storage device comprises a negative electrode comprising an active material including a redox-active polymer. The device additionally comprises a positive electrode comprising an active material including a redox-active polymer. The device further comprises an electrolyte material interposed between the negative electrode and positive electrode and configured to conduct mobile counterions therethrough between the negative electrode and positive electrode. At least one of the negative electrode redox-active polymer and the positive electrode redox-active polymer comprises a zwitterionic polymer unit configured to reversibly switch between a zwitterionic state in which the zwitterionic polymer unit has first and second charge centers having opposite charge states that compensate each other, and a non-zwitterionic state in which the zwitterionic polymer unit has one of the first and second charge centers whose charge state is compensated by mobile counterions.
    • 所公开的技术通常涉及包括导电聚合物的装置,更具体地涉及包括自补偿导电聚合物的电化学装置。 一方面,电化学能量存储装置包括负极,其包含包含氧化还原活性聚合物的活性材料。 该装置还包括包含包含氧化还原活性聚合物的活性材料的正电极。 该装置还包括介于负电极和正电极之间的电解质材料,并且构造成在负电极和正极之间穿过其移动的抗衡离子。 负极氧化还原活性聚合物和正极氧化还原活性聚合物中的至少一种包含两性离子聚合物单元,其被配置为可逆地在两性离子状态之间切换,其中两性离子聚合物单元具有具有相反电荷状态的第一和第二电荷中心, 彼此和非两性离子状态,其中两性离子聚合物单元具有第一和第二电荷中心之一,其电荷状态由移动的抗衡离子补偿。