Gas-phase fluorination method of hydrogen bis(chlorosulfonyl)imide
The gas-phase reaction of gaseous bis(chlorosulfonyl)imide acid with hydrogen fluoride addresses the inefficiencies of existing methods, achieving high yield and selectivity in producing bis(fluorosulfonyl)imide acid for battery applications while minimizing solvent use and environmental impact.
JP2025522601APending Publication Date: 2025-07-15SPECIAL OPERATIONS FRENCH CO +2
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Patent Information
- Application Number
- JP2024576573
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-07-01
- Filing Date
- 2023-06-23
- Publication Date
- 2025-07-15
AI Technical Summary
Technical Problem
Existing processes for producing bis(fluorosulfonyl)imide acid require long reaction times, low selectivity, and involve the use of solvents, leading to increased complexity and environmental impact.
Method used
A solvent-free, gas-phase process where gaseous bis(chlorosulfonyl)imide acid reacts with gaseous hydrogen fluoride, eliminating the need for solvents and catalysts, and optimizing reaction conditions for high conversion and selectivity.
Benefits of technology
Achieves high yield and selectivity in producing bis(fluorosulfonyl)imide acid, suitable for battery applications, with reduced environmental impact and lower costs.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention relates to a method for producing bis(fluorosulfonyl)imide acid, which can be economically realized on an industrial scale and from which a high-purity product can be obtained.
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