Abstract:
본 발명은 (A) 제1 용매에 소수성 올리고머를 용해시켜 제1 용액을 수득하는 단계, (B) 제2 용매에 친수성 올리고머를 용해시켜 제2 용액을 수득하는 단계, (C) 제1 용액과 제2 용액을 접촉시키는 단계를 포함하는 멀티블록 공중합체 제조방법, 이렇게 제조된 멀티블록 공중합체를 포함하는 전기화학 전지용 전해질막 및 이를 포함하는 전기화학 전지에 관한 것이다. 본 발명에 따른 멀티블록 공중합체의 제조방법에 따르면 공중합체의 분자량과 이온교환능력 및 수득 수율을 향상시킬 수 있을 뿐만 아니라, 분자량 균일성도 높일 수 있을 뿐만 아니라, 저가습 조건 하에서 향상된 양성자 이온전도도를 가지게 되며, 종래 불소화 상용(commercial) 전해질막과 비교하여 전습도 영역에서 양성자 이온전도도가 매우 향상된 효과를 얻을 수 있는 장점이 있다.
Abstract:
The present invention relates to a method for highly purifying a precursor oligomer and, more particularly, to a hydrophilic precursor oligomer for manufacturing a block copolymer for a fuel cell electrolyte membrane. Specifically the method for purifying a hydrophilic oligomer comprises the steps of: (a) obtaining hydrophilic oligomer sediment by inputting, into alcohol, a hydrophilic oligomer solution having the hydrophilic oligomer dissolved therein; (b) obtaining the aqueous solution of hydrophilic oligomer by dissolving the hydrophilic oligomer sediment in water; and (c) conducting dialysis by putting the aqueous solution of hydrophilic oligomer into a dialysis membrane and inputting the dialysis membrane into an external aqueous solution. Accordingly, the present invention can highly purifying a precursor oligomer and, more particularly, to a hydrophilic precursor oligomer for manufacturing a block copolymer for a fuel cell electrolyte membrane.
Abstract:
본 발명은 테트라에톡시실란의 인시튜 졸-겔 반응을 통한 촉매층 제조방법 및 이에 의해 제조된 촉매층을 포함하는 연료전지에 관한 것이다. 본 발명의 여러 측면 및 구현예에 따르면, 실리카 첨가로 인하여 촉매 역할이 지배적인 영역인 고전압 영역에서 나피온 이오노머에 포함된 술폰산기의 백금 촉매층 위에서의 특이흡착 완화로 인해 ORR 성능이 향상됨을 확인하였다.
Abstract:
The present invention relates to an apparatus for managing the operation cost of a fuel cell system for a vehicle. More particularly, the present invention provides an apparatus for managing the operation cost of a fuel cell system for a vehicle capable of optimally maintaining an operation method based on product information and environment information. According to the embodiment of the present invention, the apparatus for managing the operation cost of a fuel cell system for a vehicle includes an information input step (S10) of a calculation part which receives the environment information; a control method determination step (S20); and a control step (S30). [Reference numerals] (AA) Start; (BB) End; (S10) Information input; (S20) Control method determination; (S30) Control
Abstract:
The present invention relates to a method for manufacturing anion exchange composite membrane and the composite membrane thereof. According to the invention, the manufacturing method comprises the following steps: A) manufacturing an anion exchange electrolyte precursor solution comprising water, an initiator, bisacrylamide cross linking agent having amine functionality, an electrolyte monomer having positive ion; B) impregnating a porosity high molecule polymer into the anion exchange electrolyte precursor; C) laminating the porosity high molecule polymer between films, bridging reacting the same, and forming a packing layer for the anion exchange electrolyte precursor; D) inducing ammonium reaction of the cross linking agent having amine functionality by soaking the packing layer for the anion exchange electrolyte precursor into a Vinylbenzyl chloride into a monomer solution; E) and manufacturing a composite membrane where bridging packing a polyelectrolyte is completed through the bridging reaction. Anion exchange cross-linking polymer composite membrane in the present invention has excellent ion conductivity so that it can be used in various ways in the fuel cell industries such as manufacturing solid alkaline ion cells.
Abstract:
PURPOSE: A device for evaluating performance of fuel cell is provided to stably measure individual voltage of each fuel cell stack by fixing a fixation unit to a separator by penetrating a substrate. CONSTITUTION: A device for evaluating performance of fuel cell(1000) comprises: an air storage part(100); an air transport line(200) transferring air; a first control part(300) controlling transport flux; a humidifier(400) controlling moisture of transferred air equipped with the rear side of the first control part; a fuel storage part(500); a fuel transport line(600) transferring the fuel; a second control part(700) controlling the transport flux of the fuel; a second humidifier(800) in a rear side(800) of the second control part and controlling the humidify of the fuel; and a performance evaluation part(900) evaluating performance of a fuel cell.