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Title: Methods and systems for thermodynamic evaluation of battery state of health

Abstract

Described are systems and methods for accurately characterizing thermodynamic and materials properties of electrodes and battery systems and for characterizing the state of health of electrodes and battery systems. Measurement of physical attributes of electrodes and batteries corresponding to thermodynamically stabilized electrode conditions permit determination of thermodynamic parameters, including state functions such as the Gibbs free energy, enthalpy and entropy of electrode/electrochemical cell reactions, that enable prediction of important performance attributes of electrode materials and battery systems, such as energy, power density, current rate, cycle life and state of health. Also provided are systems and methods for charging a battery according to its state of health.

Inventors:
; ; ;
Issue Date:
Research Org.:
California Institute of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1164680
Patent Number(s):
8901892
Application Number:
13/866,985
Assignee:
California Institute of Technology (Pasadena, CA)
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:  
FG03-00ER15035
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Apr 19
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 30 DIRECT ENERGY CONVERSION

Citation Formats

Yazami, Rachid, McMenamin, Joseph, Reynier, Yvan, and Fultz, Brent T. Methods and systems for thermodynamic evaluation of battery state of health. United States: N. p., 2014. Web.
Yazami, Rachid, McMenamin, Joseph, Reynier, Yvan, & Fultz, Brent T. Methods and systems for thermodynamic evaluation of battery state of health. United States.
Yazami, Rachid, McMenamin, Joseph, Reynier, Yvan, and Fultz, Brent T. Tue . "Methods and systems for thermodynamic evaluation of battery state of health". United States. https://www.osti.gov/servlets/purl/1164680.
@article{osti_1164680,
title = {Methods and systems for thermodynamic evaluation of battery state of health},
author = {Yazami, Rachid and McMenamin, Joseph and Reynier, Yvan and Fultz, Brent T},
abstractNote = {Described are systems and methods for accurately characterizing thermodynamic and materials properties of electrodes and battery systems and for characterizing the state of health of electrodes and battery systems. Measurement of physical attributes of electrodes and batteries corresponding to thermodynamically stabilized electrode conditions permit determination of thermodynamic parameters, including state functions such as the Gibbs free energy, enthalpy and entropy of electrode/electrochemical cell reactions, that enable prediction of important performance attributes of electrode materials and battery systems, such as energy, power density, current rate, cycle life and state of health. Also provided are systems and methods for charging a battery according to its state of health.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {12}
}

Patent:

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