IP Library Granted Patent US 10,601,030
Granted Patent B2
US 10,601,030 · App. 16/052,541 · Granted Mar 24, 2020

Functional polymer binder for sulfur cathode fabrication

Inventors: Gao Liu (Piedmont, CA); Min Ling (Albany, CA); Changan Yang (Albany, CA)
Assignee: The Regents of the University of California
H01M4/137B32B37/06C08F220/34C08F226/10C08G75/14C08L81/04H01M4/38H01M4/382H01M4/608H01M4/622H01M10/052H01M2004/028
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Quick Facts
Patent No.
US 10,601,030
App. No.
16/052,541
Granted
Mar 24, 2020
Kind
B2
Abstract

The present invention provides for a composition of matter, polymeric conductive binder, or electrode comprising: Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)]. The present invention also provides for a Lithium-Sulfur (Li—S) battery comprising a cathode comprising: a cathode comprising a polymeric conductive binder poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)]; a separator; an anode; and, an electrolyte.

Claims (11)

1. A polymeric conductive binder comprising:

Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)].

2. An electrode comprising:

a polymeric conductive binder

Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)].

3. A Lithium-Sulfur (Li—S) battery comprising:

a cathode comprising a polymeric conductive binder

Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)];

a separator;

an anode; and

an electrolyte.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 23, 2019
From: LIU, GAO; LING, MIN; YANG, CHANGAN
To: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Reel/Frame 049835/0334 →
CONFIRMATORY LICENSE Recorded Apr 3, 2019
From: UNIVERSITY OF CALIF-LAWRENC BERKELEY LAB
To: UNITED STATES DEPARTMENT OF ENERGY
Reel/Frame 048789/0303 →
Continuity (3)
Continuation PCTUS2017015990 · Feb 1, 2017
Provisional Application 62289456 · Feb 1, 2016
Related Publication 20180351161A1 · Dec 6, 2018