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Title: Electrochemical energy storage devices comprising self-compensating polymers

Abstract

The disclosed technology relates generally to devices comprising conductive polymers and more particularly to electrochemical devices comprising self-compensating conductive polymers. In one aspect, electrochemical energy storage device comprises a negative electrode comprising an active material including a redox-active polymer. The device additionally comprises a positive electrode comprising an active material including a redox-active polymer. The device further comprises an electrolyte material interposed between the negative electrode and positive electrode and configured to conduct mobile counterions therethrough between the negative electrode and positive electrode. At least one of the negative electrode redox-active polymer and the positive electrode redox-active polymer comprises a zwitterionic polymer unit configured to reversibly switch between a zwitterionic state in which the zwitterionic polymer unit has first and second charge centers having opposite charge states that compensate each other, and a non-zwitterionic state in which the zwitterionic polymer unit has one of the first and second charge centers whose charge state is compensated by mobile counterions.

Inventors:
; ; ;
Issue Date:
Research Org.:
Arizona Board of Regents on behalf of Arizona State University, Scottsdale, AZ (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1418804
Patent Number(s):
9882215
Application Number:
14/710,509
Assignee:
ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY (Scottsdale, AZ)
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
DOE Contract Number:  
AR0000459
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 May 12
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE

Citation Formats

Johnson, Paul, Bautista-Martinez, Jose Antonio, Friesen, Cody, and Switzer, Elise. Electrochemical energy storage devices comprising self-compensating polymers. United States: N. p., 2018. Web.
Johnson, Paul, Bautista-Martinez, Jose Antonio, Friesen, Cody, & Switzer, Elise. Electrochemical energy storage devices comprising self-compensating polymers. United States.
Johnson, Paul, Bautista-Martinez, Jose Antonio, Friesen, Cody, and Switzer, Elise. Tue . "Electrochemical energy storage devices comprising self-compensating polymers". United States. https://www.osti.gov/servlets/purl/1418804.
@article{osti_1418804,
title = {Electrochemical energy storage devices comprising self-compensating polymers},
author = {Johnson, Paul and Bautista-Martinez, Jose Antonio and Friesen, Cody and Switzer, Elise},
abstractNote = {The disclosed technology relates generally to devices comprising conductive polymers and more particularly to electrochemical devices comprising self-compensating conductive polymers. In one aspect, electrochemical energy storage device comprises a negative electrode comprising an active material including a redox-active polymer. The device additionally comprises a positive electrode comprising an active material including a redox-active polymer. The device further comprises an electrolyte material interposed between the negative electrode and positive electrode and configured to conduct mobile counterions therethrough between the negative electrode and positive electrode. At least one of the negative electrode redox-active polymer and the positive electrode redox-active polymer comprises a zwitterionic polymer unit configured to reversibly switch between a zwitterionic state in which the zwitterionic polymer unit has first and second charge centers having opposite charge states that compensate each other, and a non-zwitterionic state in which the zwitterionic polymer unit has one of the first and second charge centers whose charge state is compensated by mobile counterions.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {1}
}

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