Amorphous bismuth hydroxide catalyst for oxygen evolution and method for preparing the same

The present invention relates to an amorphous bismuth hydroxide catalyst for oxygen generation and a producing method thereof. The amorphous bismuth hydroxide catalyst can be produced by adding a solvent to a bismuth precursor and a transition metal precursor to form a mixture and performing solvoth...

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Bibliographische Detailangaben
Hauptverfasser: SOHN JUNG IN, JO SEUNG HWAN, JOHN HONG
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:The present invention relates to an amorphous bismuth hydroxide catalyst for oxygen generation and a producing method thereof. The amorphous bismuth hydroxide catalyst can be produced by adding a solvent to a bismuth precursor and a transition metal precursor to form a mixture and performing solvothermal synthesis and drying of the mixture. The catalyst has a bismuth metal and amorphous bismuth hydroxide dual structure by forming bismuth metal through the combination of the bismuth precursor and the transition metal precursor. Accordingly, AEM and LOM reactions can be simultaneously performed, and it is possible to produce a catalyst having improved OER performance compared to conventional catalysts. 본 발명은 산소 발생용 비정질 비스무트 수산화물 촉매 및 이의 제조방법에 관한 것이다. 상기 비정질 비스무트 수산화물 촉매는 비스무트 전구체 및 전이금속 전구체에 용매를 투입하여 혼합물을 형성하고, 상기 혼합물을 용매열 합성 및 건조를 통해 촉매를 제조할 수 있다. 상기 촉매는 비스무트 전구체 및 전이금속 전구체의 결합을 통해 비스무트 금속이 형성되어 비스무트 금속 및 비정질 비스무트 수산화물 이중 구조를 가진다. 이를 통해 AEM 및 LOM 반응이 동시에 가능하게 되어 기존의 촉매보다 향상된 OER 성능을 가지는 촉매의 제조가 가능하다.