연료전지 촉매 및 그 제조방법

    公开(公告)号:KR102223655B1

    公开(公告)日:2021-03-05

    申请号:KR1020190085149

    申请日:2019-07-15

    Abstract: 본발명은연료전지촉매및 그제조방법에관한것으로, 본발명의연료전지촉매는폴리도파민이코팅된담지체를포함하는촉매를사용하여촉매층을형성할시 발생하는촉매입자간응집문제를해결하여고밀도, 고분산의촉매층을갖는막-전극접합체를제조할수 있다. 또한, 본발명의연료전지촉매의제조방법은폴리도파민이코팅된담지체를포함하는촉매와고체상의할로젠화물을단순열처리하는 solid to solid 건식합성법으로합성에필요한용매가필요하지않고, 합성이후용매를사용하는워싱과정과시료획득을위한추출과정이필요하지않아단시간내에연료전지촉매를제조할수 있다.

    물리적 증착법을 이용한 탄소 담지 촉매 입자의 제조방법
    25.
    发明公开
    물리적 증착법을 이용한 탄소 담지 촉매 입자의 제조방법 无效
    使用物理沉积方法制备碳载金属催化剂的方法

    公开(公告)号:KR1020140100613A

    公开(公告)日:2014-08-18

    申请号:KR1020130013014

    申请日:2013-02-05

    CPC classification number: H01M4/9083 H01M4/9041 H01M4/921 H01M4/926 Y02E60/50

    Abstract: The present invention relates to a method of synthesizing nano-sized metal and alloy nanoparticles by depositing metal and alloy nanoparticles having excellent uniformity of particle size on the surface of powder which is a parental material using a vapor deposition method, and melting the parental material by a solvent or heat, and to a production device thereof. More specifically, as an effective and inexpensive synthesizing method for solving a multiple and high-priced synthesizing method using chemical reduction reaction which is demerits of an existing method, provided are a method of synthesizing highly uniform sized metal, metal supported to alloy catalyst nanoparticles and carbon, and alloy catalyst nanoparticles and a production device thereof.

    Abstract translation: 本发明涉及一种通过使用气相沉积法沉积作为母体材料的粉末表面上具有优异粒度均匀性的金属和合金纳米颗粒来合成纳米尺寸金属和合金纳米颗粒的方法,并且通过以下方法熔化母体材料: 溶剂或热,以及其制造装置。 更具体地,作为用于解决使用现有方法的缺点的化学还原反应的多价和高价合成方法的有效且便宜的合成方法,提供了一种合成高度均匀尺寸的金属,负载于合金催化剂纳米颗粒的金属和 碳和合金催化剂纳米颗粒及其制备装置。

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