| abstract |
The present invention is a kind of CoN 3 @nitrogen-doped carbon (CoN 3 @N-C) composite electrocatalyst preparation method, this method has developed a kind of efficient elctro-catalyst in electrochemical device, i.e., first prepares Zn-Co-ZIF metal-organic framework materials, and the high temperature cabonization under argon atmosphere, prepares CoN later 3 @N-C composite electrocatalyst.The composite electrocatalyst is dodecahedron structure, has biggish specific surface area, simultaneously because CoN 3 The presence of substance, so that having active site abundant on the composite electrocatalyst, to make CoN 3 @N-C composite electrocatalyst half wave potential and current density better performances in acid and alkalinity ORR performance test.Preparation process of the invention is simple to operation, and the required prices of raw materials are cheap, and operation equipment price is not expensive, and resulting product capability and performance is good, has bright prospect in the application aspect of electrochemical catalyst in the future.In the present invention, gained CoN 3 @N-C composite electrocatalyst is had excellent performance in electrochemical catalysis reaction, is very promising catalyst material. |