Voltage prediction of nano-sized LiNiO2 cathode for use in Li-ion cells

The effect of cathode particle size on cell potential was investigated using a voltage prediction method from the Coulomb potential created by the atoms of a cathode active material. LiNiO2 was selected as a typical cathode of an ordered rock salt structure. From the calculation, it was found that t...

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Bibliographic Details
Published inJournal of power sources Vol. 153; no. 2; pp. 245 - 250
Main Authors YAMAKI, J, MAKIDERA, M, KAWAMURA, T, EGASHIRA, M, OKADA, S
Format Conference Proceeding Journal Article
LanguageEnglish
Published Lausanne Elsevier Sequoia 28.02.2006
Subjects
Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Lithium battery
Coulomb potential
Lithium Nickel Oxides
Cathode
Voltage
LiNiO2
Nano-size
Secondary cell
Nanostructure
Calculation
Lithium ion cells
Electrode material
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Summary:The effect of cathode particle size on cell potential was investigated using a voltage prediction method from the Coulomb potential created by the atoms of a cathode active material. LiNiO2 was selected as a typical cathode of an ordered rock salt structure. From the calculation, it was found that the voltage changes when the size becomes less than about 10nm. The voltage increased with decreasing in-plane size, and decreased with decreasing the number of layers.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2005.05.024