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Patent Searching and Data


Title:
蓄電装置の電極の作製方法
Document Type and Number:
Japanese Patent JP6375341
Kind Code:
B2
Abstract:
An object is to provide graphene which has high conductivity and is permeable to ions of lithium or the like. Another object is to provide, with use of the graphene, a power storage device with excellent charging and discharging characteristics. Graphene having a hole inside a ring-like structure formed by carbon and nitrogen has conductivity and is permeable to ions of lithium or the like. The nitrogen concentration in graphene is preferably higher than or equal to 0.4 at. % and lower than or equal to 40 at. %. With use of such graphene, ions of lithium or the like can be preferably made to pass; thus, a power storage device with excellent charging and discharging characteristics can be provided.

Inventors:
Takuya Hirohashi
Teppei Oguni
Application Number:
JP2016139548A
Publication Date:
August 15, 2018
Filing Date:
July 14, 2016
Export Citation:
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Assignee:
Semiconductor Energy Laboratory Co., Ltd.
International Classes:
H01M4/139; H01G11/24; H01M4/1391; H01M4/1393; H01M4/1395; H01M4/1397; H01M4/62
Domestic Patent References:
JP2013030472A
Foreign References:
WO2011141486A1
WO2011069348A1
WO2012075960A1