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Title: Systems, methods and computer-readable media to model kinetic performance of rechargeable electrochemical devices

Patent ·
OSTI ID:1082920

A system includes an electrochemical cell, monitoring hardware, and a computing system. The monitoring hardware samples performance characteristics of the electrochemical cell. The computing system determines cell information from the performance characteristics. The computing system also analyzes the cell information of the electrochemical cell with a Butler-Volmer (BV) expression modified to determine exchange current density of the electrochemical cell by including kinetic performance information related to pulse-time dependence, electrode surface availability, or a combination thereof. A set of sigmoid-based expressions may be included with the modified-BV expression to determine kinetic performance as a function of pulse time. The determined exchange current density may be used with the modified-BV expression, with or without the sigmoid expressions, to analyze other characteristics of the electrochemical cell. Model parameters can be defined in terms of cell aging, making the overall kinetics model amenable to predictive estimates of cell kinetic performance along the aging timeline.

Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC07-05ID14517
Assignee:
Battelle Energy Alliance, LLC (Idaho Falls, ID)
Patent Number(s):
8,346,495
Application Number:
12/765,384
OSTI ID:
1082920
Country of Publication:
United States
Language:
English

References (19)

Thermal management systems and methods patent December 2006
Lithium-ion battery state of charge estimation with a Kalman Filter based on a electrochemical model conference September 2008
Lithium-ion battery patent September 2009
Feasibility study for reductive destruction of carbon tetrachloride using bare and polymer coated nickel electrodes journal March 2005
Diminution of Supercooling of Electrolytes by Carbon Particles journal January 1999
Systems, Methods And Computer Readable Media For Modeling Cell Performance Fade Of Rechargeable Electrochemical Devices patent-application December 2011
Method for detecting deterioration of electrochemical device, method for measuring remaining capacity, charger comprising them, and discharge controller patent November 2002
Model-based predictive diagnostic tool for primary and secondary batteries patent-application December 2006
Method and system for battery parameter estimation patent January 2008
Lithium-Ion Rechargeable Batteries on Mars Rovers conference June 2012
Method for Determining the Charge State of a Secondary Intercalation Cell of a Rechargeable Battery patent-application November 2011
Systems, Methods And Computer Readable Media For Estimating Capacity Loss In Rechargeable Electrochemical Cell patent-application March 2011
System for smart management of an electrochemical battery patent-application March 2011
Power management systems and devices patent-application May 2007
Advanced Technology Development Program for Lithium-Ion Batteries: Gen 2 GDR Performance Evaluation Report report July 2006
Methods of forming thermal management systems and thermal management methods patent June 2012
Method for assessment of the state of batteries in battery-supported power supply systems patent July 2008
Electrochemical characterisation and oxygen evolution at a heavily boron doped diamond electrode journal March 2005
Circuit and method for measurement of battery capacity fade patent-application November 2004

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