Title:
ガス拡散媒体のための品質制御法
Document Type and Number:
Japanese Patent JP2006522996
Kind Code:
A
Abstract:
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.
Inventors:
Ross, Jörg
Application Number:
JP2005518806A
Publication Date:
October 05, 2006
Filing Date:
January 13, 2004
Export Citation:
Assignee:
GM Global Technology Operations, Inc.
International Classes:
H01M4/86; G01N13/04; G01N15/08; H01M8/04; H01M8/10
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Toru Miyamae
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Toru Miyamae