Invention Grant
US08343452B2 Acrylic fiber bonded carbon fiber paper as gas diffusion media for fuel cell
有权
丙烯酸纤维粘结碳纤维纸作为燃料电池的气体扩散介质
- Patent Title: Acrylic fiber bonded carbon fiber paper as gas diffusion media for fuel cell
- Patent Title (中): 丙烯酸纤维粘结碳纤维纸作为燃料电池的气体扩散介质
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Application No.: US11384706Application Date: 2006-03-20
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Publication No.: US08343452B2Publication Date: 2013-01-01
- Inventor: Chunxin Ji , Gerald J. Fleming , Mark Mathias
- Applicant: Chunxin Ji , Gerald J. Fleming , Margaret Fleming, legal representative , Mark Mathias
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Miller IP Group, PLC
- Agent John A. Miller
- Main IPC: H01M4/86
- IPC: H01M4/86 ; H01M4/88 ; H01M4/96 ; H01M8/02 ; H01M8/10

Abstract:
A gas diffusion media for a fuel cell, such as a proton exchange membrane fuel cell, is provided. The gas diffusion media includes carbonizable acrylic pulp fibers instead of conventional phenolic resin as a binder material. The acrylic fibers are mixed with the carbon fiber dispersion during the papermaking step, thus eliminating the phenolic resin impregnation step typically associated with conventional gas diffusion media manufacturing processes. The mat is then cured and carbonized to produce gas diffusion media.
Public/Granted literature
- US20070218346A1 Acrylic fiber bonded carbon fiber paper as gas diffusion media for fuel cell Public/Granted day:2007-09-20
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