Guiding Uniform Sodium Deposition through Host Modification for Sodium Metal Batteries

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Guiding Uniform Sodium Deposition through Host Modification for Sodium Metal Batteries
Title:
Guiding Uniform Sodium Deposition through Host Modification for Sodium Metal Batteries
Other Titles:
Batteries & Supercaps
Publication Date:
15 September 2021
Citation:
Soni, C. B., Kumar, V., & Seh, Z. W. (2021). Guiding Uniform Sodium Deposition through Host Modification for Sodium Metal Batteries. Batteries & Supercaps, 5(1). Portico. https://doi.org/10.1002/batt.202100207
Abstract:
Room-temperature Na metal batteries represent an emerging energy storage technology beyond Li-ion batteries, owing to the high specific capacity and high natural abundance of Na. However, Na metal anodes are plagued with multiple challenges including unstable solid electrolyte interphase, undesirable dendrite growth, and large volumetric expansion, leading to low Coulombic efficiency during Na plating and stripping. To this end, mechanically stable and sodiophilic hosts with nano-or micro-structured materials have been investigated to accommodate Na in the structured spacing or gaps for enhanced cyclability. In this Concepts article, we will discuss the key concepts and latest developments in guiding uniform Na deposition through host modification, especially carbon, inorganic and polymeric materials. Future prospects and outlook will also be provided, including artificial interphase design, solid-state electrolytes, and precise nanoscale characterization to improve our fundamental understanding of Na deposition and spur this burgeoning field in Na metal batteries.
License type:
Publisher Copyright
Funding Info:
This research / project is supported by the Singapore National Research Foundation - NRF Fellowship
Grant Reference no. : NRF-NRFF2017-04

This work was financially supported by the IIT Delhi.
Description:
This is the peer reviewed version of the following article: Soni, C. B., Kumar, V., & Seh, Z. W. (2021). Guiding Uniform Sodium Deposition through Host Modification for Sodium Metal Batteries. Batteries & Supercaps, 5(1). Portico. https://doi.org/10.1002/batt.202100207, which has been published in final form at doi.org/10.1002/batt.202100207. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
ISSN:
2566-6223
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