...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Applied Electrochemistry >Diagnosis of specific surface area in fuel cell air electrodes
【24h】

Diagnosis of specific surface area in fuel cell air electrodes

机译：诊断燃料电池空气电极中的比表面积

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A model of the air electrode used infuel cells was developed which accounts for the diffusion of oxygen in the gas-filled pores as well as diffusion into the liquid-filled pores, and electrochemical reaction. The model was applied to the air electrode in the phosphoric acid fuel cell (PAFC) to simulate the cathode performance under a variety of conditions. Two parameters AB and AI were introduced into the model. They reflect, respectively, the effects of the interfacial surface area between the gas and liquid phases and those of the interfacial surface area between the liquid and solid phases, on the air electrode performance, AB and AI can be determined with the aid of the operating conditions and potential-current densitycurves of the air electrode. The main interface parameters of the air electrode can be predicted following the determination of AB and AI. The reaction rate throughout the catalyst layer was calculated by means of the model.
机译：建立了用于燃料电池的空气电极模型，该模型考虑了氧气在气体填充孔中的扩散以及向液体填充孔中的扩散以及电化学反应。将该模型应用于磷酸燃料电池（PAFC）中的空气电极，以模拟在各种条件下的阴极性能。该模型引入了两个参数AB和AI。它们分别反映了气相和液相之间的界面表面积以及液相和固相之间的界面表面积对空气电极性能，AB和AI的影响，可以通过操作确定空气电极的条件和电位电流密度曲线。确定AB和AI后，可以预测空气电极的主要界面参数。通过该模型计算整个催化剂层的反应速率。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号