US 11,806,983 B2
Graphite article and method of making same
Richard A. Beyerle, North Royalton, OH (US)
Assigned to NEOGRAF SOLUTIONS, LLC, Lakewood, OH (US)
Appl. No. 16/769,491
Filed by NEOGRAF SOLUTIONS, LLC, Lakewood, OH (US)
PCT Filed Jan. 11, 2019, PCT No. PCT/IB2019/050231
§ 371(c)(1), (2) Date Jun. 3, 2020,
PCT Pub. No. WO2019/142082, PCT Pub. Date Jul. 25, 2019.
Claims priority of provisional application 62/695,079, filed on Jul. 8, 2018.
Claims priority of provisional application 62/620,464, filed on Jan. 22, 2018.
Prior Publication US 2020/0384731 A1, Dec. 10, 2020
Int. Cl. B32B 9/00 (2006.01); B32B 3/28 (2006.01); B32B 9/04 (2006.01); C01B 32/205 (2017.01); B32B 7/12 (2006.01); B32B 38/00 (2006.01); C01B 32/21 (2017.01)
CPC B32B 9/007 (2013.01) [B32B 3/28 (2013.01); B32B 7/12 (2013.01); B32B 9/04 (2013.01); B32B 38/0012 (2013.01); C01B 32/205 (2017.08); C01B 32/21 (2017.08); B32B 2307/302 (2013.01); B32B 2307/306 (2013.01); B32B 2307/51 (2013.01); B32B 2307/54 (2013.01); B32B 2307/732 (2013.01); C01P 2006/32 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A graphite article comprising:
a graphite sheet expanded in Z-direction by creping, the creped graphite sheet having a first major surface and a second major surface oppositely disposed to the first major surface, the creped graphite sheet having a plurality of macrofolds, each macrofold having a plurality of associated microfolds, wherein each microfold is smaller than the associated macrofold, wherein the Z-direction is perpendicular to the plane of the creped graphite sheet, and wherein the plurality of macrofolds is nonuniform and/or the plurality of associated microfolds is nonuniform.