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. 2023 Nov 8;16(21):e202300445.
doi: 10.1002/cssc.202300445. Epub 2023 Aug 22.

Evaluating a Dual-Ion Battery with an Antimony-Carbon Composite Anode

Thrinathreddy Ramireddy  1   2 , Jens Matthies Wrogemann  3 , Lukas Haneke  3 , Irin Sultana  4   5 , Felipe Kremer  6 , Ying Ian Chen  4 , Martin Winter  3   7 , Tobias Placke  3 , Alexey M Glushenkov  1   2
Affiliations

Evaluating a Dual-Ion Battery with an Antimony-Carbon Composite Anode

Thrinathreddy Ramireddy et al. ChemSusChem. .

Abstract

Dual-ion batteries (DIBs) are attracting attention due to their high operating voltage and promise in stationary energy storage applications. Among various anode materials, elements that alloy and dealloy with lithium are assumed to be prospective in bringing higher capacities and increasing the energy density of DIBs. In this work, antimony in the form of a composite with carbon (Sb-C) is evaluated as an anode material for DIB full cells for the first time. The behaviour of graphite||Sb-C cells is assessed in highly concentrated electrolytes in the absence and presence of an electrolyte additive (1 % vinylene carbonate) and in two cell voltage windows (2-4.5 V and 2-4.8 V). Sb-C full cells possess maximum estimated specific energies of 290 Wh/kg (based on electrode masses) and 154 Wh/kg (based on the combined mass of electrodes and active salt). The work expands the knowledge on the operation of DIBs with non-graphitic anodes.

Keywords: alloying; anion intercalation; antimony; dual-ion batteries; graphite.

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