Sulfur-carbon composite, preparation method therefor, and lithium secondary battery comprising same
US11658293B2 · kind B2 · utility
1Cited by
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19Claims
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Key dates
| Filing date | Nov 16, 2018 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Apr 30, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sulfur-carbon composite including a porous carbon material; and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.04 to 0.400 cm3/g and a specific surface area of the sulfur-carbon composite is 4.0 to 30 m2/g, and a method for preparing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.