Sodium-Ion Battery Materials and Electrochemical Properties Reviewed

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Journal Article
Advanced Energy Materials, 2018, 8 (16)
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Chayambuka_et_al-2018-Advanced_Energy_Materials.pdfPublished Version11.91 MB
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© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The demand for electrochemical energy storage technologies is rapidly increasing due to the proliferation of renewable energy sources and the emerging markets of grid-scale battery applications. The properties of batteries are ideal for most electrical energy storage (EES) needs, yet, faced with resource constraints, the ability of current lithium-ion batteries (LIBs) to match this overwhelming demand is uncertain. Sodium-ion batteries (SIBs) are a novel class of batteries with similar performance characteristics to LIBs. Since they are composed of earth-abundant elements, cheaper and utility scale battery modules can be assembled. As a result of the learning curve in the LIB technology, a phenomenal progression in material development has been realized in the SIB technology. In this review, innovative strategies used in SIB material development, and the electrochemical properties of anode, cathode, and electrolyte combinations are elucidated. Attractive performance characteristics are herein evidenced, based on comparative gravimetric and volumetric energy densities to state-of-the-art LIBs. In addition, opportunities and challenges toward commercialization are herein discussed based on patent data trend analysis. With extensive industrial adaptations expected, the commercial prospects of SIBs look promising and this once discarded technology is set to play a major role in EES applications.
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