公开(公告)号：US11217810B2

公开(公告)日：2022-01-04

申请号：US16691635

申请日：2019-11-22

Applicant: HARBIN INSTITUTE OF TECHNOLOGY, SHENZHEN

Inventor： Yan Huang ,  Jiaqi Wang

IPC: H01M8/16 ,  H01M8/0612 ,  H01M8/1011

Abstract: A preparation method of a direct ethanol fuel cell includes synthesizing electrolytes, preparing a cathode and an anode, and clamping the electrolytes between the cathode and the anode to get direct ethanol fuel cell. The electrolytes are synthesized by polymerizing sodium acrylate with an initiator to get a hydrogel, and the hydrogel is soaked in a harsh alkaline solution. The cathode is synthesized by coating N,S codoped carbon catalyst onto a current collector, where the N,S codoped carbon catalyst is synthesized by mixing and preheating silica powder, sucrose and trithiocyanuric acid to get a mixed powder, and mixing and heating the mixed powder with poly tetra fluoroethylene so as to get the N,S codoped carbon catalyst. The anode is synthesized by coating Pt-Ru/C catalyst onto a current collector.

公开(公告)号：US11929513B2

公开(公告)日：2024-03-12

申请号：US17573654

申请日：2022-01-12

Applicant: HARBIN INSTITUTE OF TECHNOLOGY, SHENZHEN

Inventor： Yan Huang ,  Jinbo Fei ,  Jiaqi Wang

IPC: H01M4/92 ,  C08F120/06 ,  H01M4/88 ,  H01M4/90 ,  H01M8/10 ,  H01M8/1072

CPC classification number: H01M4/928 ,  C08F120/06 ,  H01M4/8825 ,  H01M4/9091 ,  H01M8/1072 ,  C08F2438/02 ,  H01M2008/1095 ,  H01M2300/0082

Abstract: A bifunctional catalyst and a preparation method therefor are provided. The bifunctional catalyst is prepared by providing carbon matrix, adding 0.01-10 mol/L platinum containing solution, 0.01-10 mol/L palladium containing solution, 0.01-10 mol/L silver containing solution, and 0.01-15 mol/L sodium citrate trihydrate solution to the carbon matrix for reacting at 20° C. to 80° C. for 0.5 h to 24 h to obtain a mixed solution, and adding reducing agent to the mixed solution for reacting for 0.5 h to 30 h, and centrifuging and drying so as to obtain the bifunctional catalyst.