METHOD OF MANUFACTURING UNIFORM CONDUCTIVE BIPOLAR PLATE USING IN VANADIUM REDOX FLOW BATTERY

The present invention relates to a uniformly conductive bipolar plate manufacturing method. According to the present invention, the uniformly conductive bipolar plate manufacturing method comprises the following steps: a first step of supplying carbon fibers to a needle punching machine in one direc...

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Bibliographische Detailangaben
Hauptverfasser:	CHOI WOO CHEAL, YOON KOOK HUN, CHOI WOONG HWI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS ELECTRICITY INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a uniformly conductive bipolar plate manufacturing method. According to the present invention, the uniformly conductive bipolar plate manufacturing method comprises the following steps: a first step of supplying carbon fibers to a needle punching machine in one direction; a second step of needle-punching the carbon fibers with the needle punching machine, breaking a focusing layer formed on an outer circumferential surface of the carbon fibers, and scattering the carbon fiber filaments constituting the carbon fibers, so as to form a conductive resin infiltrating space; a third step of allowing the conductive resin to infiltrate into the conductive resin infiltrating space; a fourth step of curing the conductive resin; and a fifth step of cutting the conductive resin-cured carbon fiber filaments into a predetermined size. 본 발명에 따른 균일 전도성 바이폴라 플레이트 제조방법은, 탄소섬유들을 일 방향으로 니들펀칭기에 공급하는 제1단계; 상기 니들펀칭기로 상기 탄소섬유들을 니들펀칭하여, 상기 탄소섬유의 외주면에 형성된 집속층을 깨고, 상기 탄소섬유를 구성하는 탄소섬유필라멘트들을 흩어뜨려 전도성 수지 침투 공간을 형성하는 제2단계; 상기 전도성 수지 침투 공간에 전도성 수지를 침투시키는 제3단계; 상기 전도성 수지를 경화시키는 제4단계; 및 상기 전도성 수지가 경화된 탄소섬유필라멘트들을 설정된 크기로 자르는 제5단계를 포함하는 것을 특징으로 한다.