logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12357971 B1

PDFFull Text
Date of Patent:
Jul. 15, 2025

Filed:

Sep. 23, 2022

Preparation method of monometallic or bimetallic nanoparticle-supported catalyst

Applicant:

Chongqing Research Academy of Eco-environmental Sciences, Chongqing, CN;

Inventors:

Wei Hu, Chongqing, CN;

Yaoqiang Chen, Chongqing, CN;

Rui Yuan, Chongqing, CN;

Dan Zhang, Chongqing, CN;

Assignee:

Chongqing Research Academy of Eco-Environmental Sciences, Chongqing, CN;

Attorney:

Amster, Rothstein & Ebenstein LLP

Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01J 21/06 (2006.01); B01J 23/02 (2006.01); B01J 23/10 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/48 (2006.01); B01J 23/50 (2006.01); B01J 23/52 (2006.01); B01J 23/54 (2006.01); B01J 23/58 (2006.01); B01J 23/60 (2006.01); B01J 23/63 (2006.01); B01J 23/64 (2006.01); B01J 23/66 (2006.01); B01J 23/68 (2006.01); B01J 23/745 (2006.01); B01J 23/75 (2006.01); B01J 23/78 (2006.01); B01J 23/80 (2006.01); B01J 23/83 (2006.01); B01J 23/84 (2006.01); B01J 23/89 (2006.01); B01J 35/23 (2024.01); B01J 37/00 (2006.01); B01J 37/02 (2006.01); B01J 37/03 (2006.01); B01J 37/04 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01);
U.S. Cl.
CPC ...
B01J 23/44 (2013.01); B01J 23/02 (2013.01); B01J 23/10 (2013.01); B01J 35/23 (2024.01); B01J 37/009 (2013.01); B01J 37/0221 (2013.01); B01J 37/038 (2013.01); B01J 37/04 (2013.01); B01J 37/06 (2013.01); B01J 37/088 (2013.01);
Abstract

A preparation method of a monometallic or bimetallic nanoparticle-supported catalyst is disclosed. The synthesis of metal nanoparticles with different shapes, sizes, and atomic structures is affected by nucleation and growth rates. By changing a ratio of strong and weak reducing agents, a suitable double reducing agent is provided for metal nanoparticles with different reduction potentials, where the strong reducing agent is used for rapid nucleation and the weak reducing agent is used for the growth of metal nanoparticles. Accordingly, modulation and control of the nucleation and growth rates can be realized during the synthesis of nanoparticles. In addition, through multiple actions of a combination of reducing agents with different reduction intensities, monometallic/bimetallic nanoparticles of different sizes, shapes, and atomic structures are controllably prepared, which are then supported with a carrier to obtain the monometallic or bimetallic nanoparticle-supported catalyst.

Find Patent Forward Citations

Loading…