POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, SECONDARY BATTERY, BATTERY CONTROL UNIT, AND ELECTRONIC APPLIANCE

Title:

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, SECONDARY BATTERY, BATTERY CONTROL UNIT, AND ELECTRONIC APPLIANCE

Document Type and Number:

Japanese Patent JP2017162804

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery in which lithium-containing composite phosphate is used as a positive electrode active material, a positive electrode active material in which lithium ions diffuse at higher speed, and a lithium ion secondary battery with higher output.SOLUTION: A positive electrode active material for a lithium ion secondary battery includes a plate-shaped first structure and a plate-shaped second structure. A prismatic third structure is provided between the first structure and the second structure. A gap is formed between the first structure and the second structure.SELECTED DRAWING: Figure 33

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Inventors:

KOKUNI TEPPEI
MIWA TAKUYA

Application Number:

JP2017035895A

Publication Date:

September 14, 2017

Filing Date:

February 28, 2017

Export Citation:

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Assignee:

SEMICONDUCTOR ENERGY LAB CO LTD

International Classes:

H01M4/58

Domestic Patent References:

JP2012221716A

2012-11-12

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