Abstract:
본 발명은 다공성 전극 위에 약 2 마이크론 이하, 바람직하게는 약 1 마이크론 이하의 치밀한 전해질 박막을 형성하기 위하여 다공성 전극에서부터 전해질 박막까지 기공 크기가 점차 작아지는 경사 구조를 갖는 고체 산화물 연료 전지 및 그 제조 방법에 관한 것이다.
Abstract:
PURPOSE: A manufacturing method of an electrode device is provided to restrain structural defect of each composing layer, the delamination between the composing layers or interface defect. CONSTITUTION: A manufacturing method of an electrode device comprises a step of adding sintering additive to an anode supporter and/or an electrolyte, and sintering the mixture. The electrode device comprises anode supporter including ABO_3 based proton conducting ceramic in chemical formula: Ba(Zr_(1-x-y)Y_xM_y)O_(3-δ), and electrolyte. In chemical formula, M is one selected from a group consisting of transition metals, Cu and Zn, 0
Abstract:
본 발명은 표면 변형층을 통한 스피넬 산화물층의 형성을 촉진함으로서, 크롬의 휘발을 억제하고, 전기 전도도 및 내산화성을 향상시킨 연료전지 금속접속자 및 그 제조방법에 관한 것이다. 본 발명은 연료전지 금속 접속자용 페라이트계 강재의 표면에 Cr 2 MnO 4 스피넬 산화물층의 형성을 촉진시키는 표면 변형층을 포함하는 전기 전도도 및 내산화성이 우수한 연료전지 금속접속자 및 그 제조방법을 제공한다. 연료전지(Fuel Cell), 접속자(interconnector), 전기 전도도(Electrical Conductivity)
Abstract:
PURPOSE: A solid oxide fuel cell and a manufacturing method thereof are provided to prevent the defect occurrence by the sintering difference at a multi-layered structure by controlling the pore size distribution, and the surface roughness. CONSTITUTION: A solid oxide fuel cell comprises the following: a porous supporter; a dense electrolyte thin film; and a nanoporous layer smaller including a pore on the surface where contacting with the dense electrolyte thin film with the size smaller than the thickness of the dense electrolyte thin film and the pore size of the porous supporter. The nanoporous layer is formed in between the porous supporter and the dense electrolyte thin film. The nanoporous layer is a coating film of a metal oxide sol dispersed with nanopowder.
Abstract:
A micro fuel cell, its manufacturing method, and a micro fuel cell stack using it are provided to inhibit the coherence of an electrode material due to the heat energy at a high temperature, thereby maintaining the structural stability even at a high temperature. A micro fuel cell comprises a solid electrolyte(50), and first and second electrodes(40,60) which are separately formed on the electrolyte, wherein at least one of the first and second electrodes is supported by a template(35) where a plurality of nanopores(47) are formed by anodizing and etching after the evaporation deposition of thin film, and is a porous electrode having the nanopore formed at the position corresponding to the entire or some part of the plurality of nanopores formed at the template.
Abstract:
An electrolyte-electrode composite powder for a fuel cell and a fabrication method thereof are provided to obtain electrolyte-electrode composite powder by using a simplified process without an expensive starting material and additional high temperature process. A fabrication method of an electrolyte-electrode composite powder for a fuel cell comprises a step for manufacturing the electrode solution dissolved with an starting material of the electrode material used for an electrode of a fuel battery or a functional layer; a step for manufacturing the electrode - electrolyte solution by adding an amino acid to the electrode solution and uniformly dispersing the electrolyte powder which is not dissolved in the electrode solution; and a step for manufacturing the electrolyte-electrode composite powder by performing spontaneous combustion.
Abstract:
PURPOSE: A fuel cell interconnector and a method for manufacturing the same are provided to improve the performance of a fuel cell by forming a chromium manganese oxide-based spinel oxide layer on ferrite-based steel. CONSTITUTION: A method for manufacturing a fuel cell interconnector includes the following: Ferrite-based steel for a fuel cell interconnector is prepared. A surface deformed layer is formed on the surface of the ferrite-based steel. A Cr_2MnO_4-based spinel oxide layer is formed on the surface deformed layer by implementing a thermal treatment process at the driving temperature of a solid oxide-based fuel cell.