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Title:
METHOD FOR PRODUCING ELECTRICALLY-CONDUCTING MATERIAL WITH MODIFIED SURFACE
Document Type and Number:
WIPO Patent Application WO/2012/026624
Kind Code:
A1
Abstract:
Provided is a method by which an electrically-conducting material, in which a nano-level microstructure is formed on the surface, can be efficiently produced at low cost. The method for producing the electrically-conducting material with modified surface includes a surface modification treatment step in which a surface to be treated undergoes modification treatment, wherein an insoluble positive electrode, and a material to be treated as a negative electrode, which comprises an electrically-conducting material having a surface to be treated, are immersed in an electrolyte, and then a voltage that is at least equal to a first voltage and is less than a second voltage is applied between the insoluble positive electrode and the material to be treated as a negative electrode, which are immersed in the electrolyte. The method for producing the electrically-conducting material with modified surface is characterized in that: the first voltage corresponds to the current value of half of the sum of a first maximum current that initially appears in the positive voltage region and a first minimum current that initially appears in the positive voltage region, in terms of the voltage-current characteristics pertaining to the surface modification treatment; and the second voltage exhibits a full plasma state.

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Inventors:
NAGOSHI MASAYASU (JP)
SATO KAORU (JP)
WATANABE SEIICHI (JP)
YOSHIDA SOUKI (JP)
Application Number:
PCT/JP2011/069974
Publication Date:
March 01, 2012
Filing Date:
August 26, 2011
Export Citation:
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Assignee:
JFE STEEL CORP (JP)
NAGOSHI MASAYASU (JP)
SATO KAORU (JP)
WATANABE SEIICHI (JP)
YOSHIDA SOUKI (JP)
International Classes:
C23C26/00; B01J19/08; B82Y30/00; B82Y40/00
Domestic Patent References:
WO2008099618A12008-08-21
Foreign References:
JP2010070782A2010-04-02
JP2009235559A2009-10-15
JP2008099618A2008-05-01
JP2001508122A2001-06-19
JP2001501674A2001-02-06
Other References:
See also references of EP 2610367A4
MOTOICHI OHTSU: "Nanomaterial Saizensen", 2002, KAGAKU-DOJIN PUBLISHING CO., INC., pages: 52
Attorney, Agent or Firm:
OCHIAI, Kenichiro (JP)
Ken-ichiro Ochiai (JP)
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