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Solvent‐Free Manufacturing of Lithium‐Ion Battery Electrodes via Cold Plasma by Zhiming Liang; Tianyi Li; Holden Chi; Joseph Ziegelbauer; Kai Sun; Ming Wang; Wei Zhang; Tuo Liu; Yang‐Tse Cheng; Zonghai Chen; Xiaohong Gayden; Chunmei Ban is a Engineering article available to read on EtoBox.

What is Solvent‐Free Manufacturing of Lithium‐Ion Battery Electrodes via Cold Plasma about?

Slurry casting has been used to fabricate lithium-ion battery electrodes for decades, which involves toxic and expensive organic solvents followed by high-cost vacuum drying and electrode calendering. This work presents a new manufacturing method using a nonthermal plasma to create interparticle binding without using any polymeric binding materials, enabling solvent-free manufacturing electrodes with any electrochemistry of choice. The cold-plasma-coating technique enables fabricating electrodes with thickness (>200 lm), high mass loading (>30 mg cm À2 ), high peel strength, and the ability to print lithium-ion batteries in an arbitrary geometry. This crosscutting, chemistry agnostic, platform technology would increase energy density, eliminate the use of solvents, vacuum drying, and calendering processes during production, and reduce manufacturing cost for current and future cell designs. Here, lithium iron phosphate and lithium cobalt oxide were used as examples to demonstrate the efficacy of the cold-plasmacoating technique. It is found that the mechanical peel strength of coldplasma-coating-manufactured lithium iron phosphate is over an order of magnitude higher than that of sl

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Author

Zhiming Liang; Tianyi Li; Holden Chi; Joseph Ziegelbauer; Kai Sun; Ming Wang; Wei Zhang; Tuo Liu; Yang‐Tse Cheng; Zonghai Chen; Xiaohong Gayden; Chunmei Ban

Publisher

Wiley

Published

2023

Language

EN

Field

Engineering (Physical Sciences)