WO2026139761 - APPARATUS AND METHOD OF MANUFACTURING A STEPPED, PUNCHED POROUS TRANSPORT LAYER FOR AN ELECTROCHEMICAL CELL

National phase entry is expected:
Publication Number WO/2026/139761
Publication Date 02.07.2026
International Application No. PCT/IB2025/062518
International Filing Date 06.12.2025
Title **
[English] APPARATUS AND METHOD OF MANUFACTURING A STEPPED, PUNCHED POROUS TRANSPORT LAYER FOR AN ELECTROCHEMICAL CELL
[French] APPAREIL ET PROCÉDÉ DE FABRICATION D'UNE COUCHE DE TRANSPORT POREUSE PERFORÉE ÉTAGÉE POUR UNE CELLULE ÉLECTROCHIMIQUE
Applicants **
ROBERT BOSCH GMBH
Inventors
BRAATEN, Jonathan
CHENG, Lei
MEHRAZI, Shirin
MOJICA, Felipe
STUEHMEIER, Bjoern
Priority Data
19/003,400   27.12.2024   US
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Quotation for National Phase entry

Country StagesTotal
China Filing, Examination, Granting2177
EPO Filing, Examination, Granting10831
Japan Filing, Examination, Granting2392
South Korea Filing, Examination, Granting2435
USA Filing, Examination, Granting5340
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Abstract[English] A porous transport layer (PTL) shearing device may include a compression block having a bottom face profile including a shearing edge, and a shearing base die having a top face profile, the compression block and the base die are cooperatively configured to deform and shear a PTL such that a perimeter edge thickness of the PTL is less than an uncompressed center portion thickness of the PTL.[French] Un dispositif de cisaillement de couche de transport poreuse (PTL) peut comprendre un bloc de compression ayant un profil de face inférieure comprenant un bord de cisaillement, et une matrice de base de cisaillement ayant un profil de face supérieure, le bloc de compression et la matrice de base sont conçus de manière coopérative pour déformer et cisailler une PTL de telle sorte qu'une épaisseur de bord périphérique de la PTL est inférieure à une épaisseur de partie centrale non comprimée de la PTL.