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VRB用季铵化聚醚砜阴离子交换膜

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Indexed by:期刊论文

Date of Publication:2010-06-25

Journal:电池

Included Journals:PKU、ISTIC、CSCD

Volume:40

Issue:3

Page Number:137-139

ISSN No.:1001-1579

Key Words:聚醚砜;季铵化;阴离子交换膜;全钒氧化还原液流电池(VRB)

Abstract:对聚醚砜(PES)进行氯甲基化、季铵化改性,制备了季铵化PES(QAPES)阴离子交换膜,考察了不同离子交换容量(IEC)膜的含水率、面电阻(R)、化学稳定性及单体全钒氧化还原液流电池(VRB)的性能.IEC为1.47 mmol/g的QAPES膜的R为0.66 Ω·cm2在1.5 mol/L VO2+溶液中浸泡30 d,质量损失为4.5%,单体VRB的能量效率可迭84.4%.

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