A theoretical model to determine intercalation entropy and enthalpy: Application to lithium/graphite

Intercalation compounds play a fundamental role to increase the capabilities of electrochemical cells to store energy. A new computational model is developed to calculate the intercalation entropy and enthalpy in electrochemical intercalation compounds. The new methodology is applied to the intercal...

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Bibliographic Details
Authors: Perassi, Eduardo Marcelo, Leiva, Ezequiel Pedro M.
Format: article
Status:Published version
Publication Date:2016
Country:Argentina
Institution:Consejo Nacional de Investigaciones Científicas y Técnicas
Repository:CONICET Digital (CONICET)
Language:English
OAI Identifier:oai:ri.conicet.gov.ar:11336/52600
Online Access:http://hdl.handle.net/11336/52600
Access Level:Open access
Keyword:Entropy
Graphite
Intercalation
Lattice-Gas
Lithium-Ion Battery
Monte Carlo
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
Description
Summary:Intercalation compounds play a fundamental role to increase the capabilities of electrochemical cells to store energy. A new computational model is developed to calculate the intercalation entropy and enthalpy in electrochemical intercalation compounds. The new methodology is applied to the intercalation of lithium ions into graphite, finding a good agreement with experimental measurements. The main features of the experimental data are correctly reproduced, including the step in the intercalation entropy and enthalpy for the stage II to stage I transition.