Title:
PRECURSOR OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY CELL, METHOD OF PRODUCING SAID PRECURSOR, POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY CELL, AND METHOD FOR MANUFACTURING SAID MATERIAL
Document Type and Number:
WIPO Patent Application WO/2015/146598
Kind Code:
A1
Abstract:
Provided are a precursor of a positive electrode active material not contributing to a charge and discharge reaction while having excellent cell characteristics and safety by reducing the amount of impurities corroding a firing furnace and a nearby facility and a method of producing the same. The method of producing a precursor of a positive electrode active material for a nonaqueous electrolyte secondary cell having a hollow structure or a porous structure, wherein the method is characterized in that the precursor is obtained by causing a nickel-manganese composite hydroxide particulate having a specific compositional ratio and having a void structure inside the particles to be washed with an aqueous solution of carbonate having a carbonate concentration of 0.1 mol/L or higher.
Inventors:
AIDA TAIRA (JP)
TOYA HIROYUKI (JP)
TOYA HIROYUKI (JP)
Application Number:
PCT/JP2015/057229
Publication Date:
October 01, 2015
Filing Date:
March 12, 2015
Export Citation:
Assignee:
SUMITOMO METAL MINING CO (JP)
International Classes:
H01M4/525; H01M4/505
Domestic Patent References:
| WO2013191179A1 | 2013-12-27 |
Foreign References:
| JP2014049410A | 2014-03-17 | |||
| JP2013120752A | 2013-06-17 | |||
| JP2012254889A | 2012-12-27 | |||
| JP2014067645A | 2014-04-17 |
Attorney, Agent or Firm:
NISHI Kazuya et al. (JP)
West Kazuya (JP)
West Kazuya (JP)
Download PDF:
Previous Patent: ELECTRICAL SOURCE CONTROL APPARATUS
Next Patent: RETARDATION FILM, POLARIZING PLATE USING SAME, AND DISPLAY DEVICE
Next Patent: RETARDATION FILM, POLARIZING PLATE USING SAME, AND DISPLAY DEVICE