Ga-based intermetallic compound, preparation method and application

• Main Authors: LU QIPENG, ZHANG HUAIFANG, FENG XIAOJIANG, CAO WENBIN, ZHANG BOWEI, WU HAOMING, HE CAIHONG
• Format: Patent
• Language: Chinese; English
• Published: 27.06.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention relates to a Ga-based intermetallic compound as well as a preparation method and application thereof. Comprising the following steps: S1, polymerizing a surface-functionalized carrier, a hydrophilic polymer, a Ga precursor and a noble metal precursor by adopting a sol-gel method to form a composite hydrogel precursor; and S2, performing freeze drying on the composite hydrogel precursor, and performing high-temperature heat treatment in a reducing atmosphere to obtain the target Ga-based intermetallic compound. The Ga-based intermetallic compound is prepared through a simple and efficient sol-gel method, operation is easy and fast, and large-scale production is easy; and the prepared Ga-based intermetallic compound has the advantages of large specific surface area, difficult particle agglomeration, high catalytic activity, stable structure and the like, shows excellent catalytic activity and stability on catalytic reactions in fuel cells and energy conversion devices in application, and meets the