凝胶铅酸蓄电池热失控现象探讨

doi:10.12028/j.issn.2095-4239.2016.0046

储能科学与技术 ›› 2017, Vol. 6 ›› Issue (1): 122-126.doi: 10.12028/j.issn.2095-4239.2016.0046

凝胶铅酸蓄电池热失控现象探讨

孙小祥1, 2，赵剑曦2

1黔南民族师范学院化学化工学院，贵州都匀 558000；2福州大学化学学院胶体与界面化学研究所，福建福州 350108

收稿日期:2016-07-14 修回日期:2016-08-15 出版日期:2017-01-03 发布日期:2017-01-03
通讯作者: 赵剑曦，教授，研究方向为胶体与界面化学，E-mail：jxzhao.colloid@fzu.edu.cn。
作者简介:孙小祥（1985—），男，博士研究生，研究方向为电化学和胶体与界面化学，E-mail：sxq0735@126.com；
基金资助:
福州大学与浙江超威电源有限公司合作研发的“软电解质电池项目”。

Discussion on the thermal runaway in gel lead-acid battery

SUN Xiaoxiang1,2, ZHAO Jianxi2

1College of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun 558000, Guizhou, China; 2Institute of Colloid and Interface Chemistry, College of Chemistry, Fuzhou University, Fuzhou 350108, Fujian, China

Received:2016-07-14 Revised:2016-08-15 Online:2017-01-03 Published:2017-01-03

摘要/Abstract

摘要： 分析了阀控式铅酸蓄电池热失控发生的原因，结合当前企业使用AGM隔板的现状，从正极析氧和隔板两个角度讨论了以气相二氧化硅为凝胶剂的凝胶电池热失控发生的可能性。结果表明，气相二氧化硅含量强烈影响了电池正极的析氧，为减小凝胶电池热失控的发生，气相二氧化硅的含量应小于5%（质量分数）。对当前使用AGM隔板的凝胶电池，由于它的大孔道，存在较大热失控的风险，为此强调开发与凝胶电池配套专用隔板的重要性，由此可实现真正意义的高质量凝胶电池。

关键词: 凝胶电池, 热失控, 专用隔板, 气相二氧化硅

Abstract: The cause of thermal runaway occurrence was analyzed. By the current situation of using AGM as separator in many factories, the possibility of the thermal runaway occurred in gel battery was discussed from two aspects of oxygen evolution from positive electrode and separator. The results showed that the content of fumed silica strongly affected the evolution of oxygen from positive electrode. To diminish the occurrence of thermal runaway in gel battery, the content of fumed silica should be less than 5%. The risk of thermal runaway was rather remarkable when AGM was used as separator in gel battery, which was attributed to its large pores. The importance was emphasized for the development of special separator used in gel battery, by which real and high quality gel battery can be achieved.

Key words: gel battery, thermal runaway, special separator, fumed silica

孙小祥1, 2，赵剑曦2. 凝胶铅酸蓄电池热失控现象探讨[J]. 储能科学与技术, 2017, 6(1): 122-126.

SUN Xiaoxiang1,2, ZHAO Jianxi2. Discussion on the thermal runaway in gel lead-acid battery[J]. Energy Storage Science and Technology, 2017, 6(1): 122-126.

参考文献

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凝胶铅酸蓄电池热失控现象探讨

Discussion on the thermal runaway in gel lead-acid battery

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参考文献

ZHAO Jianxi, YUE Bin, SUN Xiaoxiang. Discussion about AGM/GEL hybrid battery[J]. Chinese LABAT Man, 2015, 52(6): 295-298.

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