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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kim; Hae-kyoung
Address:
Seoul, KR
No. of patents:
14
Patents:












Patent Number Title Of Patent Date Issued
8187764 Fuel cell with moisture retentive layer in MEA May 29, 2012
A fuel cell includes a cathode, an anode, an electrolyte membrane interposed between the cathode and the anode, and a porous layer containing a moisture retentive material. The anode includes an anode catalyst layer adjacent to the electrolyte membrane and an anode diffusion layer ad
8173712 Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising May 8, 2012
The present invention relates to a modified inorganic material with excellent cation exchange capacity. In addition, the invention relates to a method of preparing the modified inorganic material, a composite electrolyte membrane comprising the modified inorganic material powder that
8043765 Fuel cell system comprising vapor-phase fuel supplying system October 25, 2011
A fuel cell system is provided with a first separation layer and a buffer solution layer disposed between a liquid-phase fuel storage layer and an anode of a membrane electrode assembly. A vapor-phase fuel is transferred to the buffer solution layer through the first separation layer,
7981568 Ion conductive composite membrane using inorganic conductor July 19, 2011
An ion-conductive composite membrane and a method of manufacturing the same, the membrane including phosphate platelets, a silicon compound, and a Keggin-type oxometalate and/or Keggin-type heteropoly acid, wherein the phosphate platelets are three-dimensionally connected to each other v
7883820 Ion conductive composite membrane using inorganic conductor and method of manufacturing the same February 8, 2011
An ion-conductive composite membrane and a method of manufacturing the same, the membrane including phosphate platelets, a silicon compound, and a Keggin-type oxometalate and/or Keggin-type heteropoly acid, wherein the phosphate platelets are three-dimensionally connected to each other v
7846981 Polymer electrolytic membrane, and fuel cell employing the same December 7, 2010
A proton conductive copolymer includes styrene repeating units that have proton conductive functional groups and dimethylsiloxane repeating units. A polymer electrolyte membrane includes the proton conductive copolymer and a fuel cell uses the polymer electrolyte membrane. The proton
7842199 Proton conducting titanate, polymer nano-composite membrane including the same, and fuel cell ad November 30, 2010
A proton conducting titanate includes titanate and a sulfonic acid group-containing moiety having proton conductivity introduced into the surface of the titanate, in which the sulfonic acid group-containing moiety is directly bound to the titanate via an ether bond (--O). A polymer n
7759453 Multiblock copolymer, method of preparing the same, polymer electrolyte membrane prepared from t July 20, 2010
A multiblock copolymer includes a polysulfone repeating unit, a sulfonated polysulfone repeating unit and an ethylenic unsaturated group at a terminal of the multiblock copolymer. Also provided are a method of preparing the multiblock copolymer, a polymer electrolyte membrane prepare
7691773 Supported catalyst and method for preparing the same April 6, 2010
The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle size of catalytic met
7622220 Polymer electrolyte and fuel cell using the same November 24, 2009
A polymer electrolyte forming composition includes a trialkoxysilane containing an epoxy group, polyethyleneimine, and at least one of heteropolyacid and trifluoromethanesulfoneimide.
7621982 Liquid-gas separator for direct liquid feed fuel cell November 24, 2009
A liquid-gas separator for a direct liquid feed fuel cell includes a tube having an opening portion at a sidewall thereof; liquid extracting members that selectively transmit the liquid in the tube and located at both ends of the tube; a gas extracting membrane that selectively trans
7619044 Composition containing proton-conductive copolymer, polymer electrolyte membrane, method of prod November 17, 2009
A composition containing a proton-conductive copolymer, a polymer electrolyte membrane containing the composition; a method of producing the membrane; and a fuel cell employing the membrane. The composition includes: a proton-conductive copolymer comprising a first styrene repeating
7368198 Polymer nanocomposite membrane and fuel cell using the same May 6, 2008
A hydrogen ionic conductive inorganic material having a layered structure, wherein a moiety containing a functional group with hydrogen ionic conductivity is introduced between layers of an inorganic material having a nano-sized interlayer distance. A polymer nanocomposite membrane i
7229942 Supported catalyst and method for preparing the same June 12, 2007
The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle size of catalytic met










 
 
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