	US 12,320,021 B2
	Metal-hydroxide-organic frameworks as highly tunable electrocatalysts
Yang Shao-Horn, Newton, MA (US); Yuriy Roman, Cambridge, MA (US); and Shuai Yuan, Cambridge, MA (US)
Assigned to Massachusetts Institute of Technology, Cambridge, MA (US)
Filed by MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Cambridge, MA (US)
Filed on Mar. 30, 2020, as Appl. No. 16/835,149.
Claims priority of provisional application 62/827,150, filed on Mar. 31, 2019.
Prior Publication US 2020/0308721 A1, Oct. 1, 2020
Int. Cl. C25B 11/095 (2021.01); C01G 3/02 (2006.01); C01G 9/02 (2006.01); C01G 45/02 (2006.01); C01G 49/00 (2006.01); C01G 51/04 (2006.01); C01G 53/00 (2006.01); C01G 53/04 (2006.01); C07F 15/04 (2006.01); C25B 1/02 (2006.01)

CPC C25B 11/095 (2021.01) [C01G 3/02 (2013.01); C01G 9/02 (2013.01); C01G 45/02 (2013.01); C01G 49/0018 (2013.01); C01G 51/04 (2013.01); C01G 53/00 (2013.01); C01G 53/04 (2013.01); C07F 15/045 (2013.01); C25B 1/02 (2013.01); C01B 2203/1058 (2013.01); C01B 2203/1076 (2013.01)]

9 Claims

1. A composition comprising:

a plurality of a transition metal hydroxide component, the transition metal hydroxide comprising a hydroxide of Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, or Zn²⁺ forming a plurality of sheets having a formula M₂(OH)₂(L), wherein M is Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺ or Zn²⁺; and

a plurality of a ligand component L, the ligand component comprising at least two carboxylate groups linearly arranged on a backbone comprising an aryl group, wherein ligand components between adjacent sheets TT-stack with each other to form a three dimensional layered structure.