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US 12,308,434 B2Granted
Fast-charging, high-energy, flexible lithium-sulfur batteries based on hierarchically ordered sulfur particles and preparation method thereof
AssigneePostech Research and Business Development Foundation
InventorsMoon Jeong Park, Han Eol Kang
Life of this patent
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Abstract
The present disclosure relates to a cathode active material for a secondary battery, comprising a poly(S-co-VPA) vulcanized polymer, a preparation method thereof, and a lithium-sulfur secondary battery comprising the same.
Claims8
A cathode active material for a secondary battery comprising a poly(S-co-VPA) vulcanized polymer;
- wherein the poly(S-co-VPA) vulcanized polymer comprises one or more moieties selected from the following Chemical Formulas SVPA1 and SVPA2 within a molecular structure,
- the poly(S-co-VPA) vulcanized polymer has a three-dimensional porous network formed throughout the particles thereof, and
- the three-dimensional porous network further contains sulfur allotropes physically supported within pores:
- In formula, represents a bonding position, and
- n is an integer between 1 and 20.
2 more elements
Dependencies are inferred from the claim text.