阀控式铅蓄电池胶体电解质技术的进展

Advances in gelled-electrolyte technology for valve-regulated lead-acid batteries

近几年来 ,胶体阀控铅酸蓄电池已经发展成为一种可靠的、用途广泛的储能装置。该类电池制作胶体使用最广泛的凝胶剂—气相二氧化硅存在着许多缺点 ,比如 :污染工作场所 ,特别是在胶体混和过程中、职业卫生及其处理问题。而且笨重造成运输困难 ,凝胶时间长 ,除非需要浓度非常高的胶体。因此 ,在胶体电解质蓄电池的生产中 ,人们越来越需要另外一种硫酸的凝胶剂。硅溶胶为所有这些问题提供了答案 ,此外 。

In recent years,the gelled-electrolyte valve-regulated lead-acid(GEL—VRLA) battery has been developed into a versatile and extremely reliable energy-storage device.Fumed silica,which is most commonly used as gelling agent,has many disadvantages such as,contamination of the local working environment,particularly during paste-mixing,and occupation hygiene and handling problems.It is also bulky to transport and needs long gelling times unless used at very high concentrations.There is,therefore,an increasing demand for an alternative gelling agent for sulfuric acid in the production of gelled-electrolyte(GEL) VRLA batteries.Silica sols can provide a solution to all of these problems,and moreover at a lower cost to the battery producers.