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Title:
GRAPHENE-CONTAINING ELECTRODE, METHOD OF MANUFACTURING SAME, AND ELECTRICITY STORAGE DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/065004
Kind Code:
A1
Abstract:
The present invention provides an electrode which is highly electrically conductive and with which it is possible to increase the power density and energy density of an electricity storage device, a method of manufacturing the same, and an electricity storage device using the same. The electrode of the present invention contains a graphene aggregate having a grain size of at least 0.1 μm and less than 100 μm, wherein the graphene aggregate is an aggregate of graphene basic skeletons in which fibrous material is positioned between graphene layers. The electrode manufacturing method of the present invention comprises: a step of mixing the graphene basic skeletons with at least a lower alcohol having a carbon number of 1 or more and 5 or less to form a graphene aggregate in which the graphene basic skeletons are aggregated; and a step of forming a film using the graphene aggregate.

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Inventors:
TANG JIE (JP)
ZHANG KUN (JP)
QIN LUCHANG (JP)
Application Number:
PCT/JP2018/030914
Publication Date:
April 04, 2019
Filing Date:
August 22, 2018
Export Citation:
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Assignee:
NAT INST MATERIALS SCIENCE (JP)
International Classes:
H01G11/42; C01B32/182; H01G11/36; H01G11/38; H01G11/86; H01M4/133; H01M4/583; H01M4/62
Domestic Patent References:
WO2017110295A12017-06-29
WO2015129820A12015-09-03
WO2014038600A12014-03-13
WO2016068043A12016-05-06
WO2015129820A12015-09-03
WO2017110295A12017-06-29
WO2017163464A12017-09-28
Foreign References:
JP2016098117A2016-05-30
JP2014231453A2014-12-11
JP2015078096A2015-04-23
JP2014196206A2014-10-16
JP2016513871A2016-05-16
Other References:
See also references of EP 3690906A4
Attorney, Agent or Firm:
TSUZUKI Noriaki (JP)
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