直接乙醇燃料电池初探  

Preliminary Study on Direct Ethanol Fuel Cell

作　　者：宋树芹[1] 陈利康 刘建国[1] 魏昭彬[1] 辛勤[1] 

机构地区：[1]中国科学院大连化学物理研究所,辽宁大连116023 [2]安徽省宁国天成电器有限公司,安徽宁国242321

出　　处：《电化学》2002年第1期105-110,共6页Journal of Electrochemistry

基　　金：国家自然科学基金 (2 9876 0 4 1) ;安徽省宁国天成电器有限公司资助项目

摘　　要：采用商品化的PtRu/C和Pt/C分别作乙醇阳电极和氧气阴电极的催化剂 ,Nafion 115膜作固体电解质 ,组装成面积为 9cm2 的单池 .考察了电池温度、氧气压力、乙醇浓度及流量等对电池性能的影响 .实验结果表明在电池温度为 85℃ ,乙醇浓度为 1.0mol/L ,流量为 0 .5mL/min ,氧气压力为 0 .5MPa ,流量为 6 8mL/min条件下 ,电池开路电压为 0 .6 0 8V ,电流密度 5 0mA/cm2 时的放电端电压为 0 .32 9V ,电池最大功率密度为 19.2 5mWThe performance of a direct ethanol fuel cell based on Nafion115 was reported.PtRu/C and Pt/C were used as ethanol anode and oxygen cathode catalysts in a single cell of size 9 cm 2 .The effects of temperature,oxygen pressure,the flow rate of ethanol, and oxygen, and ethanol concentration were tentatively studied.The experimental results showed that the cell open circuit voltage 0.608 V,the cell voltage 0.329 V at 50 mA/cm 2 ,and the peak power density 19.25 mW/cm 2 were reached under the conditions of T cell =85 ℃, P O2 =0.5 MPa, C ethanol =1.0 mol/L and with the flow rate of ethanol and oxygen being 0.5 mL/min and 68 mL/min separately.

关 键 词：直接乙醇燃料电池 膜电极 聚合物电解质 NAFION膜 电池性能 

分 类 号：TM911.4[电气工程—电力电子与电力传动] TM2[一般工业技术—材料科学与工程]