Method of protecting sulfur cathode materials for alkali metal-sulfur secondary battery
Abstract
Provided is a method of producing a rechargeable alkali metal-sulfur cell, comprising: (a) providing an anode layer; (b) providing particulates comprising primary particles of a sulfur-containing material encapsulated or embraced by a thin layer of a conductive sulfonated elastomer composite, wherein the conductive sulfonated elastomer composite comprises from 0% to 50% by weight of a conductive reinforcement material dispersed in a sulfonated elastomeric matrix material, and the conductive sulfonated elastomer composite has a thickness from 1 nm to 10 μm, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10−7 S/cm to 5×10−2 S/cm, and an electrical conductivity from 10−7 S/cm to 100 S/cm; (c) forming the particulates, a resin binder, and an optional conductive additive into a cathode layer; and (d) combining the anode layer, the cathode layer, an optional porous separator, and an electrolyte to form the alkali metal-sulfur cell.
- Inventors:
- Issue Date:
- Research Org.:
- Global Graphene Group, Inc., Dayton, OH (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1823847
- Patent Number(s):
- 10978698
- Application Number:
- 16/010,225
- Assignee:
- Global Graphene Group, Inc. (Dayton, OH)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 06/15/2018
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Zhamu, Aruna, and Jang, Bor Z. Method of protecting sulfur cathode materials for alkali metal-sulfur secondary battery. United States: N. p., 2021.
Web.
Zhamu, Aruna, & Jang, Bor Z. Method of protecting sulfur cathode materials for alkali metal-sulfur secondary battery. United States.
Zhamu, Aruna, and Jang, Bor Z. Tue .
"Method of protecting sulfur cathode materials for alkali metal-sulfur secondary battery". United States. https://www.osti.gov/servlets/purl/1823847.
@article{osti_1823847,
title = {Method of protecting sulfur cathode materials for alkali metal-sulfur secondary battery},
author = {Zhamu, Aruna and Jang, Bor Z.},
abstractNote = {Provided is a method of producing a rechargeable alkali metal-sulfur cell, comprising: (a) providing an anode layer; (b) providing particulates comprising primary particles of a sulfur-containing material encapsulated or embraced by a thin layer of a conductive sulfonated elastomer composite, wherein the conductive sulfonated elastomer composite comprises from 0% to 50% by weight of a conductive reinforcement material dispersed in a sulfonated elastomeric matrix material, and the conductive sulfonated elastomer composite has a thickness from 1 nm to 10 μm, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10−7 S/cm to 5×10−2 S/cm, and an electrical conductivity from 10−7 S/cm to 100 S/cm; (c) forming the particulates, a resin binder, and an optional conductive additive into a cathode layer; and (d) combining the anode layer, the cathode layer, an optional porous separator, and an electrolyte to form the alkali metal-sulfur cell.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {4}
}
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