硼氢化钠在聚合物电解质膜燃料电池中的应用  

Applications of sodium borohydride in polymer electrolyte membrane fuel cell

作　　者：张宏伟[1] 沈培康[1] 

机构地区：[1]中山大学广东省低碳化学与过程节能重点实验室,光电材料与技术国家重点实验室,广东广州510275

出　　处：《电池》2010年第3期170-172,共3页Battery Bimonthly

基　　金：国家863项目(2009AA05Z110)

摘　　要：间接硼氢化钠燃料电池(B-PEMFC)的氢源具有储氢效率高、长期存储稳定、制氢速率可控、水解产物环境友好及副产物偏硼酸钠(NaBO2)可回收利用等优点,但存在硼氢化钠(NaBH4)价格高、水解催化剂寿命短、NaBO2结晶析出和水热管理等问题;直接硼氢化钠燃料电池(DBFC)具有能量密度和开路电压较高、阳极催化剂价格低以及结构简单的优点,但存在BH4-在阳极水解和渗透的问题。The polymer electrolyte membrane fuel cell（PEMFC） utilizing sodium borohydride（NaBH4） as hydrogen gas source（B-PEMFC） had the advantages such as high hydrogen storage efficiency,stable when long-term stored,easily control hydrogen generation rate,environmental-friendly hydrolysate and by-product sodium metaborate（NaBO2） could be recovered and utilized,but had problems such as high NaBH4 price,short life of hydrolysis catalyst,crystallization of NaBO2,water and thermal management.The direct borohydride fuel cell（DBFC） had the advantages such as high power density and open circuit voltage,anode catalyst was cheap and structure was simple,but had problems such as hydrolysis of BH-4 at anode and crossover.

关 键 词：硼氢化钠(NaBH4) 聚合物电解质膜燃料电池(PEMFC) 应用 

分 类 号：TM911.4[电气工程—电力电子与电力传动]