PREPARATION METHOD FOR AND APPLICATION OF BISMUTH TUNGSTATE-GRAPHENE-CONDUCTIVE HYDROGEL

WIPO Patent Application WO/2021/072818

A1

The present application relates to the technical field of electrolytic catalyst research and development, and in particular relates to a preparation method for and application of bismuth tungstate-graphene-conductive hydrogel. The present application provides a method for preparing bismuth tungstate-graphene-conductive hydrogel, comprising: preparation of bismuth tungstate by hydrothermal reaction, ultrasonic peeling, preparation of graphene quantum dots, laser ablation compounding, cross-linking polymerization, aniline immersion, and secondary polymerization. The present application also provides application of the product obtained by the preparation method in an electrolysis catalyst. The introduction of graphene quantum dots increases the active sites of bismuth tungstate so as to improve electrocatalytic performance, and the combination with conductive gel enables the bismuth tungstate-graphene to be further dispersed uniformly, so as to prevent agglomeration of the catalyst, increase the catalytic area of the catalyst, and facilitate the recovery of the gel after the catalysis is completed, such that the technical defect in the prior art that the catalyst used for photoelectric degradation or the cathode hydrogen evolution reaction of electrolyzed water has poor catalytic performance and cannot be recovered.

LIU PU (CN)
WEI ZIYEI (CN)
LI ZHENBANG (CN)
WANG JIANXING (CN)
LIU CAICHAO (CN)
YANG GUOWEI (CN)
SHI LEI (CN)

PCT/CN2019/115252

April 22, 2021

November 04, 2019

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UNIV SUN YAT SEN (CN)

B01J23/31

CN103657639A	2014-03-26
CN105582909A	2016-05-18
CN109939672A	2019-06-28
CN108579727A	2018-09-28
CN106512987A	2017-03-22
US20190053790A1	2019-02-21

GUANGDONG HANRUI LAW FIRM (CN)

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