Electrostatic Spray Deposition for Fabrication of Li-ion Batteries

Abe, Hiroya; Naito, Makio; Kondo, Akira et al.

Transactions of JWRI, 2015, 44(2), 9-12

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Identifier to cite or link to this item: https://doi.org/10.18910/57272

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Title
Electrostatic Spray Deposition for Fabrication of Li-ion Batteries
Creator
NRID
1000050346136 1000050346136
researchmap permalink
read0101989 read0101989
Scopus Author ID
7404482075 7404482075
ORCID
0000-0002-3031-8680 0000-0002-3031-8680
CreatorName
Abe, Hiroya
NRID
1000040346135 1000040346135
researchmap permalink
read0101988 read0101988
Scopus Author ID
7403261860 7403261860
CreatorName
Naito, Makio
NRID
1000020215445 1000020215445
ORCID
0000-0001-8621-2378 0000-0001-8621-2378
researchmap permalink
read0014121 read0014121
Scopus Author ID
24466540100 24466540100
CreatorName
Kondo, Akira
CreatorName
Yamaguchi, Masayuki
Subject
Electrostatic Spray Deposition
Composite particles
Li-ion battery
Abstract
A dry powder deposition technique, namely electrostatic spray deposition (ESD), has been investigated for cathode fabrication of Li-ion battery. The specific features focused in this study were to prepare core/shell composite particles and examine their applicability for ESD. LiCoO2 (LCO) was chosen as a cathode active material. Around the LCO particle, carbon nanoparticles as conductive additive were coated, followed by PMMA nanoparticles as binder additive, producing core/shell composite particles. The nanoparticle-coated unevenness on the LCO was capable of significantly improving the fluidity of the cohesive LCO particles. The composite particles also showed a good electrostatic charging ability. In addition, the PMMA nanoparticles in the outermost layer of the composite particles played a crucial role on a stable electrostatic deposition. Thus, LCO-based cathode film was successfully fabricated by ESD using the composite particles.
Publisher
大阪大学接合科学研究所
オオサカ ダイガク セツゴウ カガク ケンキュウジョ
Joining and Welding Research Institute, Osaka University
Source Title
Transactions of JWRI
Volume (Issue)
44(2)
Page
9-12
Date of Issued
2015-12
Language
English
Handle URL
https://hdl.handle.net/11094/57272
DOI
https://doi.org/10.18910/57272
PISSN
03874508
NCID
AA00867058
Access Rights
open access
oaire:version
Version of Record
Category
紀要論文 Departmental Bulletin Paper
Transactions of JWRI / Vol.44 No.2 (2015-12)