发明名称 Quality control methods for gas diffusion media
摘要 The present invention discloses various methods in which a quality of a diffusion media for use in a fuel cell assembly can be qualitatively evaluated. The material constant, an internal contact angle, a ratio of high and low energy pores, and an external contact angle can be calculated for the diffusion media and compared to a predetermined standard to evaluate the quality of the diffusion media.
申请公布号 US7181986(B2) 申请公布日期 2007.02.27
申请号 US20050249663 申请日期 2005.10.13
申请人 GENERAL MOTORS CORPORATION 发明人 ROTH JOERG
分类号 G01N11/00;G01N13/04;G01N15/08 主分类号 G01N11/00
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