DODGEN
Difluorosulfonimide (LIFSI)
This complete LiFSI process integrates DODGEN’s years of R&D with advanced international unit operations. Adopting a continuous technical scheme, it surpasses other domestic processes, maintaining a technological lead of over five years.
Difluorosulfonimide (LIFSI) Process Technology Introduction
DODGEN process is a complete LiFSI production technology developed from years of R&D combined with advanced international unit operations. It utilizes a mature “three-step” route to achieve modular continuous production. Compared to other domestic traditional methods, this technology offers significant advantages in industrial maturity and advancement, ensuring a highly efficient, continuous, and stable production process.
1、Synthesis of difluorosulfonimide (LIFSI)
2、Dichlorosulfonylimide is prepared into bisfluorosulfon imide through fluorination (using fluorination agent HF/KF)
3、Lithium bisfluorosulfonimide (LiFSI) is obtained by reacting bisfluorosulfonimide with a lithiation agent to form a salt
Characteristics of Difluorosulfonimide (LIFSI) Process Technology
Leading the industry, the process supports a single-line capacity of up to 20,000 tons with a yield exceeding 90% and product purity reaching 99.95%.
Core advantages include continuous stability, minimal waste salt generation, and high comprehensive resource utilization.
Additionally, it demonstrates excellent cost control, maintaining low production costs even amidst significant fluctuations in lithium carbonate raw material prices, showcasing superior economic efficiency and engineering capabilities.
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