Issue 4, 2022

The role of specific and active surface areas in optimizing hard carbon irreversible capacity loss in sodium ion batteries

Abstract

Oxygen physi- and chemisorption were used to determine the hard carbon total specific and active surface areas, respectively, which have been correlated with irreversible capacity loss during the first charge/discharge cycle in Na-ion half-cells. Lowering the specific and active surface areas allow to reduce the irreversible capacity loss to 8%. Carbon basal planes and edge planes/defects contributions are discussed.

Graphical abstract: The role of specific and active surface areas in optimizing hard carbon irreversible capacity loss in sodium ion batteries

Supplementary files

Article information

Article type
Communication
Submitted
06 yan 2022
Accepted
06 mar 2022
First published
07 mar 2022
This article is Open Access
Creative Commons BY-NC license

Energy Adv., 2022,1, 185-190

The role of specific and active surface areas in optimizing hard carbon irreversible capacity loss in sodium ion batteries

A. Beda, C. Vaulot, F. Rabuel, M. Morcrette and C. Matei Ghimbeu, Energy Adv., 2022, 1, 185 DOI: 10.1039/D2YA00004K

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