Title:
ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2015057767
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a highly-reliable electrode for a lithium ion secondary battery, and also to provide a highly-reliable lithium ion secondary battery using the electrode for the lithium ion secondary battery.SOLUTION: An electrode for a lithium ion secondary battery comprises a collector and an active material layer. The active material layer includes an active material, graphene, and polyimide. The active material uses a silicon particle as a nucleus and includes a plurality of elongated nanowires extending in a needle-like shape in a uniaxial direction. The graphene includes a region in contact with the plurality of nanowires. The polyimide includes a region in contact with the graphene. A lithium ion secondary battery uses the electrode as a negative electrode.
Inventors:
OGINO KIYOFUMI
Application Number:
JP2014160438A
Publication Date:
March 26, 2015
Filing Date:
August 06, 2014
Export Citation:
Assignee:
SEMICONDUCTOR ENERGY LAB
International Classes:
H01M4/134; H01M4/1395; H01M4/38; H01M4/62; H01M4/66; H01M10/052
Domestic Patent References:
| JP2012527735A | 2012-11-08 | |||
| JP2013129913A | 2013-07-04 |
Foreign References:
| WO2013114095A1 | 2013-08-08 |
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