Global Patent Index - EP 4356450 A1

EP 4356450 A1 20240424 - METHOD FOR PREPARING FUEL CELL ELECTRODES

Title (en)

METHOD FOR PREPARING FUEL CELL ELECTRODES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON BRENNSTOFFZELLENELEKTRODEN

Title (fr)

PROCÉDÉ DE PRÉPARATION D'ÉLECTRODES DE PILE À COMBUSTIBLE

Publication

EP 4356450 A1 20240424 (EN)

Application

EP 21735186 A 20210615

Priority

EP 2021066044 W 20210615

Abstract (en)

[origin: WO2022262946A1] The present invention relates to a method for preparing a gas diffusion layer for fuel cell comprising a heating treatment with a laser light source, and in particular with a vertical-cavity surface-emitting laser (VCSEL). The invention also concerns a gas diffusion layer for fuel cell electrode prepared according to a method according to the invention, as well as to an electrode for fuel cell comprising a gas diffusion layer according to the invention. Finally, the invention is directed to a fuel cell comprising an electrode according to the invention, and to a vehicle, an electronic device, or a stationary power generating device, comprising a battery according to the invention.

IPC 8 full level

H01M 4/04 (2006.01); C25B 11/032 (2021.01); H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 4/96 (2006.01); H01M 8/0234 (2016.01); H01M 8/0245 (2016.01)

CPC (source: EP)

H01M 4/0471 (2013.01); H01M 4/8605 (2013.01); H01M 4/8657 (2013.01); H01M 4/8807 (2013.01); H01M 4/8817 (2013.01); H01M 4/96 (2013.01); H01M 8/0234 (2013.01); H01M 8/0245 (2013.01)

Citation (search report)

See references of WO 2022262946A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022262946 A1 20221222; EP 4356450 A1 20240424

DOCDB simple family (application)

EP 2021066044 W 20210615; EP 21735186 A 20210615