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设计者扩散介质微结构增强聚合物电解质燃料电池性能.

Rens J Horst1, Ralph van der Linde1, Rémy R Jacquemond1

  • 1Electrochemical Materials and Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology PO Box 513 5600 MB Eindhoven Netherlands a.forner.cuenca@tue.nl r.j.horst@tue.nl ralphvanderlinde92@gmail.com r.r.jacquemond@tue.nl b.liu@tue.nl.

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概括
此摘要是机器生成的。

研究人员开发了一种新的,可扩展的方法,使用非溶剂诱导相分离 (NIPS) 来创建燃料电池的先进碳基气体扩散介质. 这种技术允许精确控制微观结构,提高性能和降低成本.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 气体扩散介质对于燃料电池性能至关重要,使气/液体运输和导电性成为可能.
  • 目前的方法对微观结构的控制有限,阻碍了对先进架构的优化.
  • 需要可扩展,具有成本效益的,具有量身定制的孔隙性的扩散介质制造.

研究的目的:

  • 引入一种可扩展的,自下而上的制造方法,用于使用非溶剂诱导相分离 (NIPS) 的基于碳的扩散介质.
  • 展示可调节的微结构,包括异孔性和双模性多孔性,以改善多相运输.
  • 为了将微观结构特征与燃料电池性能相关联,并评估经济可行性.

主要方法:

  • 非溶剂诱导相分离 (NIPS) 用于制造基于碳的扩散介质.
  • 系统地改变处理参数以控制微观结构.
  • 显微镜,孔径测量,电化学诊断和技术经济分析用于表征和基准测试.

主要成果:

  • 成功生产了机械强大的扩散介质,具有可调整的内平面和透平面孔隙.
  • 证明了微观结构特征与燃料电池中改善的水资源管理和气体运输之间的相关性.
  • 与传统方法相比,NIPS制造显示出具有成本效益和可扩展性的潜力.

结论:

  • NIPS是一种用于下一代气体扩散介质的多功能和工业相关的方法.
  • 通过NIPS定制的微结构可以显著优化燃料电池性能.
  • 这种方法为减少燃料电池系统成本提供了新的设计自由.