Patent · US Active

Lithium ion electrolyte, preparation method and application thereof

US11881557B2 · kind B2 · utility

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20Claims
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Assignee

Inventors

Key dates

Filing dateMay 22, 2023
Grant dateJan 23, 2024
Priority date
Expiry dateMay 22, 2043

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/13
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lithium ion electrolyte, a preparation method and application thereof are provided. The lithium ion electrolyte includes: an ester solvent, a lithium salt and an electrolyte additive, where the electrolyte additive includes a compound as shown in the following formula I. According to the electrolyte provided by the present disclosure, all components have a synergistic effect and are matched with one another, so that the electrolyte can improve the interface stability of a high-nickel positive electrode material and prolong the cycle life of a lithium ion battery and a lithium ion capacitor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.