磷酸型燃料电池中电解质性能的研究(Ⅱ)  

Study on the performance of electrolyte in phosphoric acid fuel cell (Ⅱ)

作　　者：李蒙俊[1] 邹红林[1] 文春燕[1] 

机构地区：[1]中国科学院广州能源研究所,广东广州510070

出　　处：《电源技术》1999年第6期310-311,共2页Chinese Journal of Power Sources

基　　金：广东省自然科学基金!960101;广东省重点攻关项目!96-0103

摘　　要：简要叙述了磷酸型燃料电池（ＰＡＦＣ）最新研究进展，介绍了在相同条件下比较氢和甲烷作为燃料在磷酸（８５％ ）电解质和Ａ型电解质（多氟磷酸和磷酸的混合物）中的电化学行为。在１３０℃，将Ａ型电解质燃料电池的输出特性与磷酸（８５％ ）电解质燃料电池进行比较。全部试验在有参比电极的三电极试验电池中进行，试验电极采用自制电极，辅助电极采用光亮铂电极或者镀铂电极，参比电极采用动态氢电极。测量系统是由Ｄ．Ｈ．Ｗ 型恒电位／恒电流仪和３０８６ 型记录仪组成。Ａ型电解质燃料电池的输出功率高于磷酸（８５％ ）电解质燃料电池，这是由于Ａ型电解质具有较高的离子活性和活度。实验表明，Ａ型电解质具有较高的电化学性能。The up to date progress of phosphoric acid fuel cell (PAFC) was reviewed and the electrochemical behevior of H 2 and CH 4 used as fuel in the electrolyte system with 85% phosphoric acid and in A type electrolyte (the mixture of multi fluoric phosphoric acid and phosphoric acid) under the same condition were compared. The output performance of the fuel cell with A type electrolyte and of that with the electrolyte with 85% phosphoric acid were compared at 130℃. All the experiments were carry out in the battery with three electrodes including a reference electrode. The experimental electrode was made by ourselves and the reference electrode was hydrogenous as well as platiniferous electrode was adopted as the assistant electrode. The measuring system consisted of Model D.H.W constant voltage/constant current meter and Model 3086 recorder. The results show that the output of the fuel cell with A type electrolyte is higher than that with the electrolyte with 85% phosphoric acid. The reason is that A type electrolyte performs higher ionic activity. The conclusion is that A type electrolyte has higher electrochemical performance.

关 键 词：磷酸型燃料电池 电解质 甲烷 燃料电池 

分 类 号：TM911.4[电气工程—电力电子与电力传动]