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Electrochemically Enabled Sustainability
book

Electrochemically Enabled Sustainability

by Kwong-Yu Chan, Chi-Ying Vanessa Li
June 2014
Intermediate to advanced content levelIntermediate to advanced
519 pages
17h 58m
English
CRC Press
Content preview from Electrochemically Enabled Sustainability
228 Electrochemically Enabled Sustainability
6.2.2 Application of First-Principles Calculations to Cathode Design
6.2.2.1 Lithium/Sodium Intercalation Voltage
The equilibrium intercalation voltage is determined by the chemical poten-
tial difference of guest ions (Li or Na in most cases) in the cathode and anode.
The chemical potential of a guest ion is the partial derivative of the free
energy of the material with respect to the concentration of the guest ion. The
open-circuit voltage at intercalation level x is obtained as follows:
Vx
x
ze
AA
()
()
=−
cathod
ea
node
µµ
(6.9)
where A represents the guest ion,
µ
A
cathode
is the chemical potential of the ...
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Publisher Resources

ISBN: 9781466575431