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1. (WO2018047871) ALUMINA POWDER, ALUMINA SLURRY, ALUMINA-CONTAINING COATING LAYER, MULTILAYER SEPARATION MEMBRANE AND SECONDARY BATTERY

Pub. No.:    WO/2018/047871    International Application No.:    PCT/JP2017/032150
Publication Date: Fri Mar 16 00:59:59 CET 2018 International Filing Date: Thu Sep 07 01:59:59 CEST 2017
IPC: C01F 7/02
H01M 2/16
H01M 4/13
H01M 4/139
H01M 4/62
Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED
住友化学株式会社
Inventors: RHEE, Jihoon
李 志▲ふん▼
KIM, Taebong
金 台俸
LEE, Suk
李 石
Title: ALUMINA POWDER, ALUMINA SLURRY, ALUMINA-CONTAINING COATING LAYER, MULTILAYER SEPARATION MEMBRANE AND SECONDARY BATTERY
Abstract:
The present invention relates to: an alumina powder which has a ratio of the tapped bulk density (TBD) to the loose bulk duty (LBD), namely TBD/LBD of 1.5 or more; an alumina slurry which contains this alumina powder; an alumina-containing coating layer; a multilayer separation membrane; and a secondary battery.