Abstract:
본 발명은 고체 산화물 연료전지용 공기극의 제조방법 및 이를 이용한 고체 산화물 연료전지용 공기극에 관한 것이다. 본 발명에 따른 고체 산화물 연료전지용 공기극의 제조방법 및 이를 이용한 고체 산화물 연료전지용 공기극은 고체 산화물 연료전지의 공기극 후막을 형성하는 과정에서 조대기공이나 기공클로스터에 의한 전해질과 공기극 간의 계면 분리를 방지하는 효과가 있는 고체 산화물 연료전지용 공기극의 제조방법 및 이를 이용한 고체 산화물 연료전지용 공기극에 관한 것이다. 그러므로 본 발명에 따른 고체 산화물 연료전지용 공기극의 제조방법 및 이를 이용한 고체 산화물 연료전지의 공기극은 고체 산화물 연료전지의 내구성 향상 및 전체적인 성능 향상에 기여하는 효과가 있다.
Abstract:
The present invention relates to a solid oxide fuel cell including: fuel cell supporting bodies; a solid electrolyte layer formed between the fuel cell supporting bodies; and a complex cathode layer formed between the layers of solid electrolyte. The complex cathode layer is a porous sintered body phase, and includes an electrode material and an electrolyte. According to the present invention, the cathode has a strong interfacial strength and an excellent conductivity property.
Abstract:
A nanowire thin film and a nanowire of the present invention form the longitudinal axis of the nanowire in the thickness direction of a nanowire layer, and are included in the nanowire thin film. The nanowire can include nanoparticles combined to each other. A method for manufacturing the nanowire of the present invention can obtain the nanowire through physical vapor deposition without using a mold, and can manufacture the nanowire thin film without the limitation a catalyst or a precursor.
Abstract:
PURPOSE: An ABO3 based hydrogen ion conductive ceramic material is provided, which minimizes ion conduction reduction and improves sintering property. CONSTITUTION: An ABO3 based hydrogen ion conductive ceramic material has A(B1-xyRexMy)O3-δ or A(B1-xyRexMy)O3-δ, wherein A is divalent element OF more than one kind selected from a group consisting of Ba, and Sr and Ca, B is tetravalent element of more than one kind selected from the group consisting of Zr and Ce, Re is rare earth materials of more than one kind, and M is metal of more than one kind selected from the group consisting of transition metal, Cu, and Zn.
Abstract:
본 발명은 고유전율 캐패시터에 관한 것으로, 캐패시터 물질로 유전체 세라믹-수지 복합체를 이용하고, 이 복합체 내부에 바늘 형태의 내부 전극을 형성하여 고유전율을 구현하였다. 캐패시터 코아 표면의 파워 전극 및 그라운드 전극으로부터 코아 물질 내부로 연장되는 바늘 형태의 내부 전극을 형성하고 바늘 형태의 전극 크기와 간격을 조절함으로써 MLCC에 필적하는 정전용량을 갖는 고유전율 캐패시터를 고온에서의 소성과정 없이 얻을 수 있으며, 특히 세라믹-수지 복합체를 이용함으로써 소성 과정을 필요로 하지 않아 전극 물질에 대한 제한을 완화시킬 수 있다. 적층형 세라믹 캐패시터, 세라믹-수지 복합체, 정전 용량
Abstract:
PURPOSE: Provided are a complex of ferroelectrics and ferromagnetics which has both ferroelectricity of the ferroelectrics and ferromagnetism of the ferromagnetics and can be used as memory elements, and etc, and a method for producing the same. CONSTITUTION: The method comprises the steps of (i) synthesizing ferroelectric ceramics, (ii) crushing the ferroelectric ceramics into the powder, (iii) synthesizing ferromagnetic ceramics, (iv) crushing the ferromagnetic ceramics into the powder, (v) mixing the ferroelectric ceramics power and the ferromagnetic ceramics powder, and (vi) compression molding the mixture.
Abstract:
PURPOSE: A method for fabricating easily sinterable ultrafine BaTiO3 particle having a mean particle size of less than 1μm is provided, which is characterized in that after pretreatment hydrothermal reaction of hydrated TiO2 gel and Ba(OH)2·8H2O at a temperature range of lower than hydrothermal reaction by 40 to 60deg.C, main hydrothermal reaction is performed. CONSTITUTION: The fabrication method of easily sinterable ultrafine BaTiO3 particle includes the steps of (i) reacting aqueous solution of TiCl4 with NH4OH to prepare TiO2·xH2O gel; (ii) preparation of mixed slurry of TiO2·xH2O gel and (Ba(OH)2· 8H2O)b wherein Ba/Ti of the mixed slurry is 1.2; (iii) pretreatment of the mixed slurry of TiO2·xH2O gel and (Ba(OH)2·8H2O) in a hydrothermal reactor at a temperature range of 140 to 160deg.C; (iv) performing hydrothermal reaction at a temperature range of 180 to 220deg.C; and (v) drying the resultant from the 4th step at 100deg.C for 24 hours to obtain ultrafine BaTiO3 particle.
Abstract:
PURPOSE: Provided is a preparation method of dielectric ceramics with ultrafine particles and high density at low temperature by adding CuO and rare earth metal oxide to BaTiO3, and sintering in O2 atmosphere. CONSTITUTION: Ultrafine dielectric ceramics are prepared by the following steps: wet ball-milling powders of raw materials, BaTiO3, CuO and RE3O3, for a slurry of BaTiO3 + xCuO + yRE2O3, where 0.00
Abstract translation:目的:通过向BaTiO 3中加入CuO和稀土金属氧化物,并在O 2气氛中烧结,提供一种在低温下具有超细颗粒和高密度的介电陶瓷的制备方法。 构成:通过以下步骤制备超细介电陶瓷:用于BaTiO 3 + xCuO + yRE 2 O 3浆料的原料湿法球磨粉末BaTiO 3,CuO和RE 3 O 3,其中0.00