Nafion/Organic Silica Hybrid Membrane for Vanadium Redox Flow Battery

被引：0

作者：

Teng Xiangguo ^{[1
]}

Zhao Yongtao ^{[1
,2
]}

Xi Jingyu ^{[1
]}

Wu Zenghua ^{[1
]}

Qiu Xinping ^{[1
,2
]}

Chen Liquan ^{[1
,3
]}

机构：

[1] Tsinghua Univ, Lab Adv Power Sources, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China

[2] Tsinghua Univ, Key Lab Organ Optoelect & Mol, Beijing 100084, Peoples R China

[3] Chinese Acad Sci, Inst Phys, Lab Solid State Ion, Beijing 100080, Peoples R China

来源：

ACTA CHIMICA SINICA | 2009年 / 67卷 / 06期

关键词：

vanadium redox flow battery; Nafion; organic silica hybrid membrane; PERFLUOROSULFONIC ACID IONOMER; MICROSTRUCTURAL EVOLUTION; OXIDE PHASE; CELL;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nafion/organic silica hybrid membrane was prepared via an in situ sot-gel reaction method and the ion exchange capacity (IEC), conductivity and water transport rate of the hybrid membrane were measured. Results indicate that compared with Nafion membrane, the hybrid membrane can efficiently block water transfer across the membrane. The average coulombic efficiency and energy efficiency of the VRB with the Nafion/organic silica membrane were all remarkably increased. Furthermore, the Nafion/organic silica 2 hybrid membrane is very stable for more than 80 charge-discharge cycles at current density of 60 mA.cm(-2). Results show that the Nafion/organic silica membrane is a novel hybrid membrane and applicable to VRB.

引用

页码：471 / 476

页数：6

共 23 条

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