Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2010-06-25

Journal: 电池

Included Journals: CSCD、ISTIC、PKU

Volume: 40

Issue: 3

Page Number: 137-139

ISSN: 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%.