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Current computational trends in polyanionic cathode materials for Li and Na batteries
Uppsala Univ, Dept Phys & Astron, Mat Theory Div, Condensed Matter Theory Grp, Box 516, SE-75120 Uppsala, Sweden..
Uppsala Univ, Dept Phys & Astron, Mat Theory Div, Condensed Matter Theory Grp, Box 516, SE-75120 Uppsala, Sweden..ORCID iD: 0000-0002-3548-133X
Uppsala Univ, Dept Phys & Astron, Mat Theory Div, Condensed Matter Theory Grp, Box 516, SE-75120 Uppsala, Sweden..
Uppsala Univ, Dept Phys & Astron, Mat Theory Div, Condensed Matter Theory Grp, Box 516, SE-75120 Uppsala, Sweden..
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2018 (English)In: Journal of Physics: Condensed Matter, ISSN 0953-8984, E-ISSN 1361-648X, Vol. 30, no 28, article id 283003Article, review/survey (Refereed) Published
Abstract [en]

A long-standing effort has been devoted for the development of high energy density cathodes both for Li-and Na-ion batteries (LIBs and SIBs). The scientific communities in battery research primarily divide the Li- and Na-ion cathode materials into two categories: layered oxides and polyanionic compounds. Researchers are trying to improve the energy density of such materials through materials screening by mixing the transition metals or changing the concentration of Li or Na in the polyanionic compounds. Due to the fact that there is more stability in the polyanionic frameworks, batteries based on these materials mostly provide a prolonged cycling life as compared to the layered oxide materials. Nevertheless, the bottleneck for such compounds is the weight penalty from polyanionic groups that results into the lower capacity. The anion engineering could be considered as an essential way out to design such polyanionic compounds to resolve this issue and to fetch improved cathode performance. In this topical review we present a systematic overview of the polyanionic cathode materials used for LIBs and SIBs. We will also present the computational methodologies that have become significantly relevant for battery research. We will make an attempt to provide the theoretical insight with a current development in sulfate (SO4), silicate (SiO4) and phosphate (PO4) based cathode materials for LIBs and SIBs. We will end this topical review with the future outlook, that will consist of the next generation organic electrode materials, mainly based on conjugated carbonyl compounds.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2018. Vol. 30, no 28, article id 283003
Keywords [en]
Li-ion batteries, Na-ion batteries, energy storage, polyanionic cathode materials, organic cathode materials, DFT investigation
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-240208DOI: 10.1088/1361-648X/aac62dISI: 000436088400001PubMedID: 29932053Scopus ID: 2-s2.0-85049217524OAI: oai:DiVA.org:kth-240208DiVA, id: diva2:1271900
Funder
Carl Tryggers foundation Swedish Research Council
Note

QC 20181218

Available from: 2018-12-18 Created: 2018-12-18 Last updated: 2018-12-18Bibliographically approved

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Ahuja, Rajeev

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