Doped carbon-sulfur species nanocomposite cathode for Li--S batteries
Abstract
We report a heteroatom-doped carbon framework that acts both as conductive network and polysulfide immobilizer for lithium-sulfur cathodes. The doped carbon forms chemical bonding with elemental sulfur and/or sulfur compound. This can significantly inhibit the diffusion of lithium polysulfides in the electrolyte, leading to high capacity retention and high coulombic efficiency.
- Inventors:
- Issue Date:
- Research Org.:
- THE PENN STATE RESEARCH FOUNDATION, University Park, PA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1234204
- Patent Number(s):
- 9225011
- Application Number:
- 13/938,527
- Assignee:
- THE PENN STATE RESEARCH FOUNDATION
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- DOE Contract Number:
- EE0005475
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2013 Jul 10
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 25 ENERGY STORAGE; 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Wang, Donghai, Xu, Tianren, and Song, Jiangxuan. Doped carbon-sulfur species nanocomposite cathode for Li--S batteries. United States: N. p., 2015.
Web.
Wang, Donghai, Xu, Tianren, & Song, Jiangxuan. Doped carbon-sulfur species nanocomposite cathode for Li--S batteries. United States.
Wang, Donghai, Xu, Tianren, and Song, Jiangxuan. Tue .
"Doped carbon-sulfur species nanocomposite cathode for Li--S batteries". United States. https://www.osti.gov/servlets/purl/1234204.
@article{osti_1234204,
title = {Doped carbon-sulfur species nanocomposite cathode for Li--S batteries},
author = {Wang, Donghai and Xu, Tianren and Song, Jiangxuan},
abstractNote = {We report a heteroatom-doped carbon framework that acts both as conductive network and polysulfide immobilizer for lithium-sulfur cathodes. The doped carbon forms chemical bonding with elemental sulfur and/or sulfur compound. This can significantly inhibit the diffusion of lithium polysulfides in the electrolyte, leading to high capacity retention and high coulombic efficiency.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 29 00:00:00 EST 2015},
month = {Tue Dec 29 00:00:00 EST 2015}
}
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