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SUSTAINABILITY

The case of Graphite as a sustainable critical raw material

by cyb2025
S. Pohlmann
carbon capture
CRM
graphite
lithium-ion batteries
sustainability

Dr. Sebastian Pohlmann has received his PhD in physical chemistry at the University of Münster, Germany. He has over 10 years of experience in the energy storage industry and is author and co-author of over 15 publications and patents. Dr. Pohlmann is CTO at UP Catalyst, a company focused on industrialising green Graphite and nanotubes made from CO2.

ABSTRACT

Electrochemical energy storage technologies (Lithium & Sodium-ion, Lithium-Sulfur batteries) require a range of highly engineered carbon materials as active materials or conductive additives. With the overal demand for batteries expected at 5 TWh in 2030 (1), this article aims to give an overview on the challenge of sourcing these materials from sustainable processes as well as potential solutions. One solution in particular is to utilise CO2 as a feedstock to create valuable carbon materials while avoiding greenhouse gas emissions. The utilisation of CO2 is assessed from both technical and regulatory perspective, showcasing that a true carbon sink can be found in these materials.

Carbon materials for energy storage

 

Rechargable energy storage devices such as Lithium-ion batteries (LIBs) and Sodium-ion batteries (SIBs) store energy by moving Alkali-metal cations between their cathodes and their anodes. During the charging of these devices, ions are moved from cathode to anode, resulting in a current opposite to the stream of charged cations (2).

 

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