Oxygen evolution reaction electrocatalyst as well as preparation method and application thereof

The invention discloses an oxygen evolution reaction electrocatalyst as well as a preparation method and application thereof. The preparation method of the oxygen evolution reaction electrocatalyst comprises the following steps: carrying out ball milling on a mixture of a carbon nano tube, a ruthenium source and a cobalt source to obtain a carbon nano tube/ruthenium/cobalt oxide composite material, namely the oxygen evolution reaction electrocatalyst. The oxygen evolution reaction electrocatalyst prepared through the method has high electrocatalytic activity and stability for oxygen evolution reaction, the performance of the oxygen evolution reaction electrocatalyst is obviously superior to that of a commercial iridium oxide catalyst, and the preparation method is easy to operate, environmentally friendly and beneficial to large-scale production. 本发明揭示了一种氧析出反应电催化剂及其制备方法和应用。所述氧析出反应电催化剂的制备方法包括：将碳纳米管、钌源和钴源的混合物进行球磨，获得碳纳米管/钌/钴氧化物复合材料，即为氧析出反应电催化剂。通过本发明方法制备而成的氧析出反应电催化剂对于氧析出反应具有高电催化活性和稳定性，并且性能明显优于商用氧化铱催化剂，且本发明制备方法操作简