江苏大学汽车学院;南通大学机械工程学院;
以中间相碳微球(MCMB)、石墨粉为原料用凝胶注模成型工艺制成阴极管烧结体,并在烧结体外涂覆扩散层、Pt/C催化层和Nafion膜制备管状阴极.利用CFD软件对直接乙醇燃料电池(DEFC)管状阴极的传质过程进行模拟计算和研究,在不同的工作温度、阴极扩散层孔隙率、进气压力以及阴极催化层厚度的条件下,分析DEFC阴极催化层表面的液态饱和度、氧气的摩尔质量分数的变化情况.结果表明:增大阴极扩散层孔隙率、进气压力、催化层厚度和电池温度有利于阴极的传质过程.
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基本信息:
DOI:
中图分类号:TM911.4
引用信息:
[1]汤东,沈凌飞,赵文帅等.异型DEFC管状阴极传质过程的模拟研究[J],2013,12(04):11-15.
基金信息:
江苏高校优势学科建设工程资助项目;; 江苏省国际合作项目(BZ2012025);; 江苏2010年企业博士集聚计划