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Title: Electrochemical thermodynamic measurement system

Abstract

The present invention provides systems and methods for accurately characterizing thermodynamic and materials properties of electrodes and electrochemical energy storage and conversion systems. Systems and methods of the present invention are configured for simultaneously collecting a suite of measurements characterizing a plurality of interconnected electrochemical and thermodynamic parameters relating to the electrode reaction state of advancement, voltage and temperature. Enhanced sensitivity provided by the present methods and systems combined with measurement conditions that reflect thermodynamically stabilized electrode conditions allow very accurate measurement 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 electrochemical systems, such as the energy, power density, current rate and the cycle life of an electrochemical cell.

Inventors:
 [1];  [2];  [3]
  1. Meylan, FR
  2. Los Angeles, CA
  3. Pasadena, CA
Publication Date:
Research Org.:
Arizona State Univ., Tempe, AZ (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
988680
Patent Number(s):
7,595,611
Application Number:
11/462,290
Assignee:
California Institute of Technology (Pasadena, CA); Cantre National de le Recherche Scientifique (Paris, FR)
DOE Contract Number:  
FG03-00ER15035; FG02-03ER15425
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Reynier, Yvan, Yazami, Rachid, and Fultz, Brent T. Electrochemical thermodynamic measurement system. United States: N. p., 2009. Web.
Reynier, Yvan, Yazami, Rachid, & Fultz, Brent T. Electrochemical thermodynamic measurement system. United States.
Reynier, Yvan, Yazami, Rachid, and Fultz, Brent T. Tue . "Electrochemical thermodynamic measurement system". United States. https://www.osti.gov/servlets/purl/988680.
@article{osti_988680,
title = {Electrochemical thermodynamic measurement system},
author = {Reynier, Yvan and Yazami, Rachid and Fultz, Brent T},
abstractNote = {The present invention provides systems and methods for accurately characterizing thermodynamic and materials properties of electrodes and electrochemical energy storage and conversion systems. Systems and methods of the present invention are configured for simultaneously collecting a suite of measurements characterizing a plurality of interconnected electrochemical and thermodynamic parameters relating to the electrode reaction state of advancement, voltage and temperature. Enhanced sensitivity provided by the present methods and systems combined with measurement conditions that reflect thermodynamically stabilized electrode conditions allow very accurate measurement 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 electrochemical systems, such as the energy, power density, current rate and the cycle life of an electrochemical cell.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2009},
month = {9}
}

Patent:

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