METHOD FOR MANUFACTURING LITHIUM HYDROXIDE POWDER, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY CELL, AND PACKAGE
Applicants
Sumitomo Metal Mining Co., Ltd.
Inventors
GOUDA, Kenji, SUZUKI, Keiichiro, KAGEURA, Jun-ichi
Abstract
A method for manufacturing a lithium hydroxide powder includes a pulverizing step of pulverizing coarse particles of lithium hydroxide to obtain lithium hydroxide powder; and a carbonation-suppressing step of storing the lithium hydroxide powder in an airtight container in an atmosphere satisfying requirements (1) and (2).(1) A partial pressure of carbon dioxide gas is 100 Pa or less with respect to a total amount of gas present in the airtight container.(2) A relative humidity in the airtight container is 60% or less.
IPC Classifications
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR