Patent · US Active

Binder for positive electrode of lithium-sulfur secondary battery and method for preparing positive electrode using same

US11031598B2 · kind B2 · utility

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1References
15Claims
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Key dates

Filing dateMay 31, 2018
Grant dateJun 8, 2021
Priority date
Expiry dateJun 27, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A binder for a positive electrode of a lithium-sulfur secondary battery, including an acrylic polymer including an acrylic monomer polymerized unit, a non-acrylic monomer polymerized unit and a redox monomer polymerized unit, as well as a positive electrode active layer, a positive electrode and a lithium-sulfur secondary battery manufactured using the binder. The acrylic polymer contains at least 30 wt. % of the acrylic monomer polymerized unit.

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