Abstract:
The present invention relates to a method for optimizing operating conditions for a high-temperature polymer electrolyte membrane fuel cell using a design of experiments. More particularly, the present invention provides a method for optimizing operating conditions for a high-temperature polymer electrolyte membrane fuel cell using a design of experiments, wherein a performance model is constructed using the result of experiments conducted according to the design of experiments and optimal operating conditions are deduced based on the constructed model in consideration of performance and durability.
Abstract:
본 발명의 연료전지 열병합 발전시스템은 전력을 생산하고, 냉각유체가 공급매니폴드(110)를 통해 내부로 공급되어 전력 생산 과정에서 발생하는 열을 흡열한 후 다시 배출매니폴드(120)를 통해 배출되는 연료전지스택(100); 상기 배출매니폴드(120)와 상기 공급매니폴드(110)와 연결하는 순환라인(200); 상기 순환라인(200) 상에 설치되어 상기 순환라인(200)을 순환하는 냉각유체의 열을 흡열하는 고온부(310)와, 외부에서 공급되는 저온의 유체 또는 대기 중의 공기에 접촉되는 저온부(320)를 포함하며, 상기 고온부(310)와 상기 저온부(320)의 온도 차이에 의해 전력을 생산하는 열전모듈(300); 상기 순환라인(200) 중 상기 열전모듈(300)과 상기 공급매니폴드(110) 사이에 설치되어 상기 순환라인(200)을 순환하는 냉각유체를 냉각하는 냉각모듈(400);을 포함하는 것을 특징으로 한다.
Abstract:
The present invention relates to a production method of a catalyst layer using an in-situ sol-gel reaction of tetraethoxysilane, and a fuel cell including the catalyst layer produced by the method. According to various perspectives and an embodiment of the present invention, ORR capability is improved by the specific absorption reduction on a platinum catalyst layer of a sulfonic group contained in a nafion ionomer in a high voltage area which have a dominative catalyst role by adding dlfos silica.
Abstract:
PURPOSE: A managing method of operating costs of a stationary fuel cell system is provided to predict the component performance, efficiency, and lifetime base on product information, and to maintain an optimum operation condition based on environmental information. CONSTITUTION: A managing method of operating costs of a stationary fuel cell system comprises a step of receiving product information by a receiving part and receiving environmental information by a calculation part (S10); a step of determining the control method of the stationary fuel cell system in order to reduce operation costs by calculating the operation method according to the purpose of operation based on the received product information and environmental information (S20); and a step of controlling the stationary fuel cell system according to the determined control method (S30). [Reference numerals] (AA) Start; (BB) End; (S10) Input information; (S20) Determine control method; (S30) Control