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2021 roadmap for sodium-ion batteries
Univ Lancaster, Dept Chem, Lancaster LA1 4YB, England.;Quad One, Faraday Inst, Harwell Sci & Innovat Campus, Oxford OX11 0RA, England..
Quad One, Faraday Inst, Harwell Sci & Innovat Campus, Oxford OX11 0RA, England.;Univ St Andrews, Eastchem Sch Chem, St Andrews KY16 9ST, Fife, Scotland..
Imperial Coll London, Dept Chem Engn, London SW7 2AZ, England..
Quad One, Faraday Inst, Harwell Sci & Innovat Campus, Oxford OX11 0RA, England.;Univ Sheffield, Dept Chem & Biol Engn, Sheffield S1 3JD, S Yorkshire, England..
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2021 (English)In: Journal of Physics: Energy, E-ISSN 2515-7655, Vol. 3, no 3, article id 031503Article in journal (Refereed) Published
Abstract [en]

Increasing concerns regarding the sustainability of lithium sources, due to their limited availability and consequent expected price increase, have raised awareness of the importance of developing alternative energy-storage candidates that can sustain the ever-growing energy demand. Furthermore, limitations on the availability of the transition metals used in the manufacturing of cathode materials, together with questionable mining practices, are driving development towards more sustainable elements. Given the uniformly high abundance and cost-effectiveness of sodium, as well as its very suitable redox potential (close to that of lithium), sodium-ion battery technology offers tremendous potential to be a counterpart to lithium-ion batteries (LIBs) in different application scenarios, such as stationary energy storage and low-cost vehicles. This potential is reflected by the major investments that are being made by industry in a wide variety of markets and in diverse material combinations. Despite the associated advantages of being a drop-in replacement for LIBs, there are remarkable differences in the physicochemical properties between sodium and lithium that give rise to different behaviours, for example, different coordination preferences in compounds, desolvation energies, or solubility of the solid-electrolyte interphase inorganic salt components. This demands a more detailed study of the underlying physical and chemical processes occurring in sodium-ion batteries and allows great scope for groundbreaking advances in the field, from lab-scale to scale-up. This roadmap provides an extensive review by experts in academia and industry of the current state of the art in 2021 and the different research directions and strategies currently underway to improve the performance of sodium-ion batteries. The aim is to provide an opinion with respect to the current challenges and opportunities, from the fundamental properties to the practical applications of this technology.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD Institute of Physics Publishing (IOPP), 2021. Vol. 3, no 3, article id 031503
Keywords [en]
sodium ion, batteries, cathodes, electrolytes, anodes, energy materials
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-451573DOI: 10.1088/2515-7655/ac01efISI: 000677849300001OAI: oai:DiVA.org:uu-451573DiVA, id: diva2:1594839
Available from: 2021-09-16 Created: 2021-09-16 Last updated: 2024-01-15Bibliographically approved

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Brant, William R.Mogensen, RonnieNaylor, Andrew J.Younesi, Reza

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