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.:
Date of Patent:
Mar. 18, 2025
Filed:
Jan. 26, 2021
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Research Institute of Safety Engineering Co., Ltd., Shandong, CN;
Fei An, Shandong, CN;
Bing Sun, Shandong, CN;
Na Li, Shandong, CN;
Lin Wang, Shandong, CN;
Ning Shi, Shandong, CN;
Wei Xu, Shandong, CN;
Shucai Zhang, Shandong, CN;
Haozhi Wang, Shandong, CN;
Shiqiang Wang, Shandong, CN;
Junjie Feng, Shandong, CN;
Chenyang Zhao, Shandong, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SINOPEC RESEARCH INSTITUTE OF SAFETY ENGINEERING CO., LTD., Shandong, CN;
Abstract
A gas-sensitive material, a preparation method therefore and an application thereof, and a gas sensor using the gas-sensitive material are provided. The gas-sensitive material is a carbon material-metal oxide composite nanomaterial formed by compounding a carbon material and metal oxides. The content of the carbon material is 0.5˜20 wt. % and the content of the metal oxides is 80˜99.5 wt. %; the metal oxides contain tungsten oxide and one or more selected from tin oxide, iron oxide, titanium oxide, copper oxide, molybdenum oxide, and zinc oxide; the metal oxides are formed on the carbon material in the form of nanowires, and the nanowires are tungsten oxide-doped nanowires. The gas-sensitive material has reduced resistance, is capable of responding to various gases at a reduced working temperature.