Numerical study of the effect of relative humidity and stoichiometric flow ratio on PEM (proton exchange membrane) fuel cell performance with various channel lengths: An anode partial flooding modelling
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- 作者：Lei Xinga ; b ; xinglei1314@gmail.com" class="auth_mail" title="E-mail the corresponding author ; l.xing@bham.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Qiong Caic ; q.cai@surrey.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Chenxi Xud ; xuchenxi31@126.com" class="auth_mail" title="E-mail the corresponding author ; Chunbo Liua ; liuchunbojsu@163.com" class="auth_mail" title="E-mail the corresponding author ; Keith Scotte ; k.scott@ncl.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Yongsheng Yana ; yys@ujs.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Relative humidity ; Stoichiometric flow ratio ; Water removal ; Channel length ; Anode flooding ; Fuel cells
- 刊名：Energy
- 出版年：2016
- 出版时间：1 July 2016
- 年：2016
- 卷：106
- 期：Complete
- 页码：631-645
- 全文大小：4290 K
文摘
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Interactive effects of RH, stoichiometric flow ratio, channel length are studied.
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Fully humidified anode is required to maintain the good cell performance.
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Optimal RHc is 30–40% for channel length of 1–10 cm at high current density.
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Effect of stoichiometric flow ratio is more significant for longer channels.
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Both liquid water and heat transport are diffusion dominated rather than advection.
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