Water-Soluble Acrylate Binder for Graphite Electrodes in Lithium-Ion Batteries

Elina Pohjalainen; Olli Sorsa; Jouni Juurikivi; Tanja Kallio

doi:10.1002/ente.201500371

Water-Soluble Acrylate Binder for Graphite Electrodes in Lithium-Ion Batteries

Elina Pohjalainen, Olli Sorsa, Jouni Juurikivi, Tanja Kallio^*

^*Corresponding author for this work

Not published at VTT

Research output: Contribution to journal › Article › Scientific › peer-review

12 Citations (Scopus)

Abstract

Water-soluble acrylate (AcrylS020) was tested as a potential binder for graphite negative electrodes in lithium-ion batteries, and the results were compared to the commonly used carboxymethyl cellulose (CMC) and styrene-butadiene rubber (SBR) CMC+SBR binder combination. Similar performance was observed at low C-rates and room temperature with both binders in Li/graphite half-cells. However, at high C-rates and/or low temperature, better results were obtained with Acryl S020 and the difference at room temperature and 1C was 166 mAhg^-1 vs. 92 mAhg^-1 (AcrylS020 vs. CMC+SBR). The stability of the electrodes was similar in graphite/NMC (LiNi_1/3Mn_1/3Co_1/3O₂) full-cell tests. The structures of the electrodes using different binders were slightly different as evidenced by SEM images. These results indicate that the Acryl S020 binder is also applicable for graphite negative electrodes and can tolerate the volume change of graphite during charging/discharging.

Original language	English
Pages (from-to)	470-472
Number of pages	3
Journal	Energy Technology
Volume	4
Issue number	4
DOIs	https://doi.org/10.1002/ente.201500371
Publication status	Published - 1 Apr 2016
MoE publication type	A1 Journal article-refereed

Keywords

Acrylate binder
Aqueous processing
Graphite
Lithium-ion batteries
Polyvinylidene fluoride

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Water-Soluble Acrylate Binder for Graphite Electrodes in Lithium-Ion Batteries",

abstract = "Water-soluble acrylate (AcrylS020) was tested as a potential binder for graphite negative electrodes in lithium-ion batteries, and the results were compared to the commonly used carboxymethyl cellulose (CMC) and styrene-butadiene rubber (SBR) CMC+SBR binder combination. Similar performance was observed at low C-rates and room temperature with both binders in Li/graphite half-cells. However, at high C-rates and/or low temperature, better results were obtained with Acryl S020 and the difference at room temperature and 1C was 166 mAhg-1 vs. 92 mAhg-1 (AcrylS020 vs. CMC+SBR). The stability of the electrodes was similar in graphite/NMC (LiNi1/3Mn1/3Co1/3O2) full-cell tests. The structures of the electrodes using different binders were slightly different as evidenced by SEM images. These results indicate that the Acryl S020 binder is also applicable for graphite negative electrodes and can tolerate the volume change of graphite during charging/discharging.",

keywords = "Acrylate binder, Aqueous processing, Graphite, Lithium-ion batteries, Polyvinylidene fluoride",

author = "Elina Pohjalainen and Olli Sorsa and Jouni Juurikivi and Tanja Kallio",

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doi = "10.1002/ente.201500371",

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T1 - Water-Soluble Acrylate Binder for Graphite Electrodes in Lithium-Ion Batteries

AU - Pohjalainen, Elina

AU - Sorsa, Olli

AU - Juurikivi, Jouni

AU - Kallio, Tanja

PY - 2016/4/1

Y1 - 2016/4/1

N2 - Water-soluble acrylate (AcrylS020) was tested as a potential binder for graphite negative electrodes in lithium-ion batteries, and the results were compared to the commonly used carboxymethyl cellulose (CMC) and styrene-butadiene rubber (SBR) CMC+SBR binder combination. Similar performance was observed at low C-rates and room temperature with both binders in Li/graphite half-cells. However, at high C-rates and/or low temperature, better results were obtained with Acryl S020 and the difference at room temperature and 1C was 166 mAhg-1 vs. 92 mAhg-1 (AcrylS020 vs. CMC+SBR). The stability of the electrodes was similar in graphite/NMC (LiNi1/3Mn1/3Co1/3O2) full-cell tests. The structures of the electrodes using different binders were slightly different as evidenced by SEM images. These results indicate that the Acryl S020 binder is also applicable for graphite negative electrodes and can tolerate the volume change of graphite during charging/discharging.

AB - Water-soluble acrylate (AcrylS020) was tested as a potential binder for graphite negative electrodes in lithium-ion batteries, and the results were compared to the commonly used carboxymethyl cellulose (CMC) and styrene-butadiene rubber (SBR) CMC+SBR binder combination. Similar performance was observed at low C-rates and room temperature with both binders in Li/graphite half-cells. However, at high C-rates and/or low temperature, better results were obtained with Acryl S020 and the difference at room temperature and 1C was 166 mAhg-1 vs. 92 mAhg-1 (AcrylS020 vs. CMC+SBR). The stability of the electrodes was similar in graphite/NMC (LiNi1/3Mn1/3Co1/3O2) full-cell tests. The structures of the electrodes using different binders were slightly different as evidenced by SEM images. These results indicate that the Acryl S020 binder is also applicable for graphite negative electrodes and can tolerate the volume change of graphite during charging/discharging.

KW - Acrylate binder

KW - Aqueous processing

KW - Graphite

KW - Lithium-ion batteries

KW - Polyvinylidene fluoride

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JO - Energy Technology

JF - Energy Technology

IS - 4

ER -

Water-Soluble Acrylate Binder for Graphite Electrodes in Lithium-Ion Batteries

Abstract

Keywords

UN SDGs

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