	US 12,489,119 B2
	Materials and methods of manufacture
Ashton Cyril Partridge, Auckland (NZ); Ali Hosseini, Auckland (NZ); and Andrew Leo Haynes, Auckland (NZ)
Assigned to Manufacturing Systems Limited, Auckland (NZ)
Appl. No. 17/636,773
Filed by Manufacturing Systems Limited, Auckland (NZ)
PCT Filed Aug. 28, 2020, PCT No. PCT/IB2020/058032 § 371(c)(1), (2) Date Feb. 18, 2022, PCT Pub. No. WO2021/038502, PCT Pub. Date Mar. 4, 2021.
Claims priority of provisional application 62/892,944, filed on Aug. 28, 2019.
Prior Publication US 2022/0384818 A1, Dec. 1, 2022
Int. Cl. H01M 4/88 (2006.01); C25D 7/00 (2006.01); C25D 17/12 (2006.01); H01M 4/86 (2006.01); H01M 4/92 (2006.01)

CPC H01M 4/8803 (2013.01) [C25D 7/00 (2013.01); C25D 17/12 (2013.01); H01M 4/8657 (2013.01); H01M 4/8853 (2013.01); H01M 4/8871 (2013.01); H01M 4/921 (2013.01)]

37 Claims

1. A catalyst array comprising:

a support substrate;

a plurality of surface structures protruding from a surface of the support substrate formed from or coated with a first material, wherein the plurality of surface structures comprise sharp edges and/or sharp apices;

a second material on at least some of the plurality of surface structures such that the second material is in contact with the first material; and

wherein the first material, the second material or the first material and the second material are conducting or semiconducting;

wherein the first and second material at least partially form a composite, the composite formed at a higher density at the sharp edges and/or the sharp apices of the plurality of surface structures than on the remaining surfaces of the plurality surface structures.