Water decomposition catalyst and preparation method and application thereof

The invention provides a water decomposition catalyst as well as a preparation method and application thereof. The water decomposition catalyst provided by the invention comprises nickel oxide and nickel sulfide. The water decomposition catalyst disclosed by the invention has the advantages of high catalytic activity and high stability, so that the water decomposition catalyst has excellent electro-catalytic water decomposition performance. 本发明提供了一种水分解催化剂及其制备方法和应用。本发明提供的水分解催化剂包括氧化镍和硫化镍。该水分解催化剂本发明的水分解催化剂兼具高催化活性和高稳定性的优点，从而具有优异的电催化水分解性能。