Lithium bis (fluorosulfonyl) imide heavy slag treatment method

By reacting lithium difluorosulfonimide heavy slag with alkaline compounds to produce ammonia and salt compounds, the problem of heavy slag recycling and utilization in lithium-ion battery production is solved, and efficient resource recycling and the provision of a variety of chemical raw materials are achieved.

CN119706870AInactive Publication Date: 2025-03-28JIUJIANG TINCI ADVANCED MATERIALS CO LTD
5 Cites 1 Cited by

Patent Information

Application Number
CN202410803781.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-03-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the production process of lithium-ion batteries, lithium difluorosulfonimide heavy slag is difficult to effectively recycle and utilize, resulting in waste of resources and environmental pollution.

Method used

By reacting the lithium difluorosulfonimide heavy residue with an aqueous solution of an alkaline compound, ammonia and reaction liquid are generated, and salt compounds are obtained through recycling and treatment, and resource recycling is achieved.

Benefits of technology

Resource recycling of lithium difluorosulfonimide heavy slag has been achieved, reducing environmental pollution and production costs, and providing a variety of chemical production raw materials.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention provides a lithium bis (fluorosulfonyl) imide heavy slag treatment method which comprises the following steps: reacting bis (fluorosulfonyl) imide heavy slag to be treated with an aqueous solution of an alkaline compound to obtain a reaction solution containing a salt compound and ammonia gas; and recovering the reaction liquid to obtain the salt compound. By means of the method, resource recycling can be conducted on the lithium bis (fluorosulfonyl) imide heavy slag, economic benefits are improved, and the method has important significance in promoting sustainable development and circular economy.
Need to check novelty before this filing date? Find Prior Art