FUEL, OXIDANT OR COOLANT INLET/OUTLET STRUCTURE OF A STACKABLE FUEL CELL BIPOLAR PLATE

WIPO Patent Application WO/2023/272477

A1

Described herein is a fuel, oxidant or coolant inlet/outlet structure (1) of a stackable bipolar plate (2) where an anode sheet (2a) and a cathode sheet (2b) are bonded together and has one or more pairs of fuel, oxidant or coolant inlet/outlet passages (3). Sealants (4, 5) are placed around the perimeters of the inlet/outlet passages (3) and along a perimeter of the bipolar plate (2). A plurality of conduits (6) provide for fluid communication between the fuel or oxidant inlet/outlet passages (3) and an associated active area (9) at the anode sheet (2a) or cathode sheet (2b) or fluid communication between the coolant inlet/outlet passages (3) and a cooling channel located between the sheets (2a, 2b). Each conduit (6) comprises a first cross-section half (11), integrally formed with the anode sheet (2a), and a second cross-section half (12), integrally formed with the cathode sheet (2b), and arranged complementary opposing each. The respective perimeters of the first and second cross-section halves (11, 12) form arch bridges, supporting their associated conduit (6) below the sealant (4).

LANGENDONK MAARTEN (NL)
SHI WEIJIAN (SG)

PCT/CN2021/103019

January 05, 2023

June 29, 2021

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INTERPLEX SUZHOU PREC ENGINEERING LTD (CN)

H01M8/0254; H01M8/0258; H01M8/0265; H01M8/0271; H01M8/0276; H01M8/1018

US20170062849A1	2017-03-02
US20190097244A1	2019-03-28
US20180269497A1	2018-09-20
CN109417177A	2019-03-01
JP2011028939A	2011-02-10

CHINA PATENT AGENT (H.K.) LTD. (CN)

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