High-voltage pyrophosphate cathode: Insights into local structure and lithium-diffusion pathways

John M. Clark, Shin-ichi Nishimura, Atsuo Yamada, M. Saiful Islam

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Rechargeable lithium batteries have helped power the consumer revolution in portable electronic devices. The search for alternative cathode materials to replace layered LiCoO2, because of cost and safety issues, has generated considerable research activity, particularly for large-scale applications (such as hybrid and pure electric vehicles). An avenue that has been investigated involves the combination of low-cost and abundant iron and phosphate groups (PO4 3-). Owing to the strong binding of the oxygen in the polyanion groups, these materials are more stable and safer than layered transition-metal oxides. To date, most interest has focused on the olivine-structured LiFePO4, which has been studied extensively. Other polyanion-type compounds based on silicates, borates,fluorosulfates, and fluorophosphates have also received attention as alternative cathodes.
Original languageEnglish
Pages (from-to)13149-13153
Number of pages4
JournalAngewandte Chemie-International Edition
Volume51
Issue number52
Early online date14 Nov 2012
DOIs
Publication statusPublished - 21 Dec 2012

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fluorophosphate
Lithium
Electrodes
Costs and Cost Analysis
Silicates
Borates
Oxides
Iron
Metals
Phosphates
Oxygen
Safety
Equipment and Supplies
Research
diphosphoric acid
polyanions
LiFePO4
olivine

Cite this

High-voltage pyrophosphate cathode: Insights into local structure and lithium-diffusion pathways. / Clark, John M.; Nishimura, Shin-ichi; Yamada, Atsuo; Islam, M. Saiful.

In: Angewandte Chemie-International Edition, Vol. 51, No. 52, 21.12.2012, p. 13149-13153.

Research output: Contribution to journalArticle

Clark, John M. ; Nishimura, Shin-ichi ; Yamada, Atsuo ; Islam, M. Saiful. / High-voltage pyrophosphate cathode: Insights into local structure and lithium-diffusion pathways. In: Angewandte Chemie-International Edition. 2012 ; Vol. 51, No. 52. pp. 13149-13153.
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