코어/쉘 구조의 이리듐 함유 나노입자 및 연료전지용 이리듐 담지 촉매
    17.
    发明公开
    코어/쉘 구조의 이리듐 함유 나노입자 및 연료전지용 이리듐 담지 촉매 有权
    含有具有核心/壳结构的IRIDI的纳米颗粒和含有燃料电池的IRIDI的催化剂

    公开(公告)号:KR1020120107028A

    公开(公告)日:2012-09-28

    申请号:KR1020110023350

    申请日:2011-03-16

    Abstract: PURPOSE: An iridium contained nano-particles having a core and shell structure and a iridium dipped catalyst for fuel cells are provided to improve performance of the catalyst and fuel cells by including Pt and Ir in a nano-particle at optimal range of atomic ratio. CONSTITUTION: An iridium contained nano-particles includes a core and shell. The core includes Ir metal, and the shell includes Pt metal. The atomic ratio of the Pt and Ir within the nano particle is 0.1:1-10:1. The metal is supported by carbon. The catalyst for fuel cells is nano-particle. A manufacturing method of the nana-particles comprises the following steps: forming IrOx nano-particles on the carbon; forming Ir particle on the carbon by reducing the IrOx nano-particle; dispersing the Ir particle on the carbon into a solvent; adding a Pt precursor to the dispersed solution; and reducing into Pt.

    Abstract translation: 目的:提供铱含有核壳结构的纳米颗粒和用于燃料电池的铱浸渍催化剂,以通过在最佳原子比范围内将Pt和Ir纳入纳米颗粒中来提高催化剂和燃料电池的性能。 构成:含有纳米颗粒的铱包括核和壳。 核心包括Ir金属,壳体包括Pt金属。 纳米颗粒中Pt和Ir的原子比为0.1:1-10:1。 金属由碳支撑。 燃料电池的催化剂是纳米颗粒。 纳米颗粒的制造方法包括以下步骤:在碳上形成IrOx纳米颗粒; 通过还原IrOx纳米颗粒在碳上形成Ir颗粒; 将Ir颗粒分散在碳上至溶剂中; 向分散溶液中加入Pt前体; 并减少为Pt。

    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.

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