Title:
FUEL CELL GASKET
Document Type and Number:
WIPO Patent Application WO/2020/195002
Kind Code:
A1
Abstract:
The present invention aims to ensure that pressure release is not caused in a seal bead provided on a bipolar plate. A fuel cell gasket 51 is provided that has a structure wherein: a pair of metal bipolar plates 101 (101a, 101b), that are bonded together with a reaction electrode and are joined to each other, are provided interposed between a plurality of reaction electrodes; seal beads 111 are provided patterned in a full bead format, on at least one of the bipolar plates 101; and a tunnel 121 is provided bridging between adjacent seal beads 111 and connecting the interiors thereof. The height H1 of the seal beads 111 and the height H2 of the tunnel are set such that H1/H2 is at least 1.6.
Inventors:
SHIMAZOE TOSHIHIRO (JP)
GOTO SHUHEI (JP)
GOTO SHUHEI (JP)
Application Number:
PCT/JP2020/000514
Publication Date:
October 01, 2020
Filing Date:
January 09, 2020
Export Citation:
Assignee:
NOK CORP (JP)
HONDA MOTOR CO LTD (JP)
HONDA MOTOR CO LTD (JP)
International Classes:
H01M8/0276; F16J15/08; H01M8/0206; H01M8/021; H01M8/2483
Domestic Patent References:
| WO2018114819A1 | 2018-06-28 |
Foreign References:
| JP2018533170A | 2018-11-08 | |||
| JP2019032929A | 2019-02-28 | |||
| JP2017535915A | 2017-11-30 | |||
| JP2017537433A | 2017-12-14 | |||
| JP2019046755A | 2019-03-22 | |||
| US20180097242A1 | 2018-04-05 | |||
| US20180123144A1 | 2018-05-03 |
Attorney, Agent or Firm:
GLOBAL IP TOKYO (JP)
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