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:
Sep. 17, 2024
Filed:
Jun. 29, 2023
Contemporary Amperex Technology Co., Limited, Fujian, CN;
Catl-sicong Novel Materials Co., Ltd, Longyan, CN;
Sicong Cheng, Longyan, CN;
Qisen Huang, Fujian, CN;
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;
CATL-SICONG NOVEL MATERIALS CO., LTD, Longyan, CN;
Abstract
The present application provides a method of preparing sulfuryl fluoride, including the following steps of: S) reacting sulfur trioxide steam with barium fluoride to acquire a mixed gas of barium sulphate and sulfuryl fluoride; S) pickling the mixed gas acquired in step Swith a concentrated sulfuric acid solution with a concentration of 70-98.3 wt. % to acquire a primary purified sulfuryl fluoride gas; S) passing the primary purified sulfuryl fluoride gas acquired in step Sthrough an aqueous solution with a concentration of 2-10 wt. % selected from at least one of the following: sodium sulfite, sodium bisulfite, sodium pyrosulfite, and sodium thiosulfate, to acquire a sulfuryl fluoride gas.