SYNTHESIZING METHOD FOR POSITIVE ACTIVE MATERIAL OF NONAQUEOUS SECONDARY BATTERY

Title:

SYNTHESIZING METHOD FOR POSITIVE ACTIVE MATERIAL OF NONAQUEOUS SECONDARY BATTERY

Document Type and Number:

Japanese Patent JPH0822826

Kind Code:

A

Abstract:

PURPOSE: To provide a battery which uses a nonaqueous electrolyte and is made excellent in discharge capacity by improving a method for synthesizing its positive active material.

CONSTITUTION: A mixture of at least nickel hydroxide and a lithium salt such as lithium hydroxide is baked at baking temperatures of 400 to 580°C for a baking time of 2-40 hours in an atmosphere where oxygen partial pressure is set at 0.5 to 2 atmospheres. Next, the mixture is baked at 600-780°C for 5 to 20 hours.

Inventors:

KOBAYASHI SHIGEO
YAMAURA JUNICHI
OKAMURA KAZUHIRO
OKUNO HIROMI

Application Number:

JP15351594A

Publication Date:

January 23, 1996

Filing Date:

July 05, 1994

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD

International Classes:

H01M10/05; H01M4/505; H01M4/525; H01M10/0566; (IPC1-7): H01M4/58; H01M4/04; H01M10/40

Attorney, Agent or Firm:

Akira Kobiji (2 outside)

Next Patent: FUEL CELL ELECTRODE AND ITS MANUFACTURE