Abstract:
본 발명은 탄소나노섬유 복합체의 제조방법 및 이를 통해 제조된 탄소나노섬유 복합체에 관한 것으로써, 본 발명에서 제공하는 탄소나노섬유 복합체의 제조방법은 종래의 탄소나노섬유 복합체를 제조하는 방법보다 비용이 절감되면서 경제적으로 효율적이라는 장점이 있다. 나아가, 본 발명의 탄소나노섬유 복합체는 동우수한 유기오염물질 분해능을 제공할 수 있으며, 본 발명의 제조방법으로 제조된 탄소나노섬유 복합체는 전기 이중층 슈퍼시터용 전극, 연료전지의 전극, 필터 및 수소저장재료 등에 사용될 수 있다.
Abstract:
(a) 강알칼리 수용액 내에서 이산화티탄을 반응시켜 티타네이트 나노튜브를 얻는 단계; (b) 상기 티타네이트 나노튜브와 강산 수용액을 반응시켜 아나타제 결정상을 갖는 이산화티탄 함유 티타네이트 나노튜브를 얻는 단계; 및 (c) 상기 아나타제 결정상을 갖는 이산화티탄 함유 티타네이트 나노튜브를 금속 전구체를 포함하는 수용액에 분산시킨 후 자외선을 일정 시간동안 조사하여 결과물을 얻는 단계를 포함하는 금속입자가 담지된 티타네이트 나노튜브의 제조방법이 제공된다.
Abstract:
PURPOSE: A manufacturing method of a titanate nano-tube which contains titanium dioxide is provided to obtain titanate nano-tubes having anatase crystalline through an acid process and a surface process. CONSTITUTION: A manufacturing method of a titanate nano-tube which contains titanium dioxide comprises the following steps: a first step of obtaining titanate nanotube powder by reacting titanium dioxide in strong alkali aqueous solution(s1); and a second step of obtaining the titanate nano-tube containing anatase crystalline by reacting the titanate nano-tube powder with the strong acid aqueous solution(s2). The strong alkali solution is more than one which is selected from LiOH, NaOH, and KOH. A concentration of the strong alkali solution is 5-20M. In the first step, reflux reaction is processed at 50-180 deg. Celsius for 10-60 hours. The strong acid aqueous solution is more than one selected from HCl, HNO3, and H2SO4. A concentration of the strong acid aqueous solution is 0.05-5M.
Abstract:
The present invention relates to a manufacturing method for a carbon nanofiber composite and a carbon nanofiber composite manufactured thereby. The manufacturing method for the carbon nanofiber composite according to the present invention reduces manufacturing costs and is more efficient than existing methods. Furthermore, the carbon nanofiber composite of the present invention improves dissolution of organic pollutants. The carbon nanofiber composite manufactured by the method of the present invention can be used for electrodes for electric double layer super capacitors, electrodes for fuel cells, filters, hydrogen storage materials, and the like.
Abstract:
PURPOSE: A method for manufacturing titanate nano-tube carrying metal particles is provided to improve the photo catalytic characteristic by carrying the metal particles in the titanate nano-tube with an anatase crystalline. CONSTITUTION: Titanate nano-tube is obtained by reacting titanium dioxide with a strong alkaline aqueous solution(S1). The titanate nano-tube is reacted with a strong acid aqueous solution in order to obtain titanium dioxide-containing titanate nano-tube with an anatase crystalline(S2). The titanium dioxide-containing titanate nano-tube is dispersed in a metal precursor-containing aqueous solution. Ultraviolet ray is radiated(S3).