Nanda, J and Martha, Surendra Kumar and Kalyanaraman, R
(2015)
High-capacity electrode materials for electrochemical
energy storage: Role of nanoscale effects.
Pramana-journal of physics, 84 (6).
pp. 1073-1086.
ISSN 0304-4289
Abstract
This review summarizes the current state-of-the art electrode materials used for
high-capacity lithium-ion-based batteries and their significant role towards revolutionizing the elec-
trochemical energy storage landscape in the area of consumer electronics, transportation and grid
storage application. We discuss the role of nanoscale effects on the electrochemical performance
of high-capacity battery electrode materials. Decrease in the particle size of the primary electrode
materials from micron to nanometre size improves the ionic and electronic diffusion rates signifi-
cantly. Nanometre-thick solid electrolyte (such as lithium phosphorous oxynitride) and oxides (such
as Al
2
O
3
,ZnO,TiO
2
etc.) material coatings also improve the interfacial stability and rate capability
of a number of battery chemistries. We elucidate these effects in terms of different high-capacity
battery chemistries based on intercalation and conversion mechanism.
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