US Patent Application 18446441. LITHIUM BIS(FLUOROSULFONYL)IMIDE AND PREPARATION METHOD THEREOF, ELECTROLYTIC SOLUTION AND SECONDARY BATTERY simplified abstract

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LITHIUM BIS(FLUOROSULFONYL)IMIDE AND PREPARATION METHOD THEREOF, ELECTROLYTIC SOLUTION AND SECONDARY BATTERY

Organization Name

Contemporary Amperex Technology Co., Limited

Inventor(s)

Sicong Cheng of Longyan (CN)

Qisen Huang of Ningde (CN)

LITHIUM BIS(FLUOROSULFONYL)IMIDE AND PREPARATION METHOD THEREOF, ELECTROLYTIC SOLUTION AND SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18446441 titled 'LITHIUM BIS(FLUOROSULFONYL)IMIDE AND PREPARATION METHOD THEREOF, ELECTROLYTIC SOLUTION AND SECONDARY BATTERY

Simplified Explanation

The abstract describes a method for preparing lithium bis(fluorosulfonyl)imide, which involves several steps. Here are the bullet points explaining the patent/innovation:

  • The method involves a synthesis step, where lithium bis(fluorosulfonyl)imide is synthesized.
  • After synthesis, there is an evaporation step, where excess solvent is removed.
  • An extraction step follows, where impurities are removed from the synthesized compound.
  • Next, an alkalinization step is performed to adjust the pH of the compound.
  • A dehydration step is then carried out to remove any remaining water.
  • Finally, a desolventization step is performed to remove any remaining solvents from the compound.

Overall, this patent application presents a detailed method for preparing lithium bis(fluorosulfonyl)imide, ensuring the purity and quality of the final product.


Original Abstract Submitted

A method for preparing lithium bis(fluorosulfonyl)imide includes a synthesis step, an evaporation step, an extraction step, an alkalinization step, a dehydration step, and a desolventization step.