Issue 18, 2022

A MnOx–graphitic carbon composite from CO2 for sustainable Li-ion battery anodes

Abstract

The increasing concentration of CO2 in the atmosphere is the leading cause of the greenhouse gas effect. Carbon capture and storage is an important topic to develop sustainable technologies. Molten salt CO2 capture and electrochemical transformation represent a suitable process to produce various carbon products, such as carbon nanofibers, carbon nanotubes, graphite, and graphene. The employment of graphitic anode materials for Li-ion batteries coming from CO2 capture is ideal for increasing battery sustainability. Moreover, the addition of transition metal oxides represents a suitable strategy for new negative electrodes because conversion reactions lead to high specific capacities. Among them, manganese has gained attention due to its multiple valence states and numerous possible crystalline structures. In the present work, a MnOx–graphitic carbon composite obtained by electrolysis of CO2via molten Li2CO3 is characterized and used to prepare a negative electrode for LIBs with an environmentally sustainable aqueous process.

Graphical abstract: A MnOx–graphitic carbon composite from CO2 for sustainable Li-ion battery anodes

Supplementary files

Article information

Article type
Paper
Submitted
24 maí 2022
Accepted
24 júl. 2022
First published
25 júl. 2022
This article is Open Access
Creative Commons BY license

Mater. Adv., 2022,3, 7087-7097

A MnOx–graphitic carbon composite from CO2 for sustainable Li-ion battery anodes

G. Lacarbonara, S. Chini, S. Ratso, I. Kruusenberg and C. Arbizzani, Mater. Adv., 2022, 3, 7087 DOI: 10.1039/D2MA00583B

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