Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture
Abstract
A binder solution for manufacturing silicon-based anodes useful for lithium-ion electrochemical cells is described herein. The binder solution comprises a poly(carboxylic acid) binder dissolved in a mixed solvent system comprising an amide solvent of Formula I, as described herein, and a second solvent which can be water and/or an organic solvent. The binder preferably comprises poly(acrylic acid). The mixed solvent system comprises about 10 to about 99 vol % of the amide solvent of Formula I. The binder solution is utilized as a solvent for a slurry of silicon-containing particles for preparing a silicon-containing electrode. The slurries made with the mixed solvent systems have higher viscosity and are more stable than slurries containing the same concentrations of silicon particle, carbon particles, and binder in water as the sole solvent.
- Inventors:
- Issue Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1986952
- Patent Number(s):
- 11532818
- Application Number:
- 16/886,908
- Assignee:
- UChicago Argonne, LLC (Chicago, IL)
- DOE Contract Number:
- AC02-06CH11357
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 05/29/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Zhang, Lu, Shi, Zhangxing, Jansen, Andrew, and Trask, Stephen. Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture. United States: N. p., 2022.
Web.
Zhang, Lu, Shi, Zhangxing, Jansen, Andrew, & Trask, Stephen. Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture. United States.
Zhang, Lu, Shi, Zhangxing, Jansen, Andrew, and Trask, Stephen. Tue .
"Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture". United States. https://www.osti.gov/servlets/purl/1986952.
@article{osti_1986952,
title = {Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture},
author = {Zhang, Lu and Shi, Zhangxing and Jansen, Andrew and Trask, Stephen},
abstractNote = {A binder solution for manufacturing silicon-based anodes useful for lithium-ion electrochemical cells is described herein. The binder solution comprises a poly(carboxylic acid) binder dissolved in a mixed solvent system comprising an amide solvent of Formula I, as described herein, and a second solvent which can be water and/or an organic solvent. The binder preferably comprises poly(acrylic acid). The mixed solvent system comprises about 10 to about 99 vol % of the amide solvent of Formula I. The binder solution is utilized as a solvent for a slurry of silicon-containing particles for preparing a silicon-containing electrode. The slurries made with the mixed solvent systems have higher viscosity and are more stable than slurries containing the same concentrations of silicon particle, carbon particles, and binder in water as the sole solvent.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {12}
}
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