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Challenges of today for Na-based batteries of the future: From materials to cell metrics

Abstract : Several emerging battery technologies are currently on endeavour to take a share of the dominant position taken by Li-ion batteries in the field of energy storage. Among them, sodium-based batteries offer a combination of attractive properties i.e., low cost, sustainable precursors and secure raw material supplies. Na-based batteries include related battery concepts, such as Na-ion, all solid-state Na batteries, Na/O2 and Na/S, that differ in key components and in redox chemistry, and therefore result in separate challenges and metrics. Na-ion batteries represent an attractive solution which is almost ready to challenge Li-ion technology in certain applications; the other cell concepts represent a more disruptive innovation, with a higher performance gain, provided that major hurdles are overcome. The present review aims at highlighting the most promising materials in the field of Na-based batteries and challenges needed to be addressed to make this technology industrially appealing, by providing an in-depth analysis of performance metrics from recent literature. To this end, half-cell reported metrics have been extrapolated to full cell level for the more mature Na-ion technology to provide a fair comparison with existing technologies.
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Submitted on : Monday, September 21, 2020 - 3:49:25 PM
Last modification on : Wednesday, September 23, 2020 - 4:33:14 AM

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Ivana Hasa, Mariyappan Sathiya, Damien Saurel, Philipp Adelhelm, Alexey Koposov, et al.. Challenges of today for Na-based batteries of the future: From materials to cell metrics. Journal of Power Sources, Elsevier, 2021, 482, 228872 (27 p.). ⟨10.1016/j.jpowsour.2020.228872⟩. ⟨hal-02944545⟩

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