Lithium-Sulfur batteries for energy storage applications

Award Information
Agency:
Department of Defense
Branch
n/a
Amount:
$99,964.00
Award Year:
2012
Program:
SBIR
Phase:
Phase I
Contract:
W31P4Q-13-C-0026
Award Id:
n/a
Agency Tracking Number:
D122-008-0082
Solicitation Year:
2012
Solicitation Topic Code:
SB122-008
Solicitation Number:
2012.2
Small Business Information
PO Box 4869, Ithaca, NY, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
965730331
Principal Investigator:
Surya Moganty
Battery Scientist
(607) 379-5444
surya@nohms.com
Business Contact:
Nathan Ball
CEO
(607) 319-9464
Nathan@nohms.com
Research Institution:
Stub




Abstract
NOHMs Technologies proposes to demonstrate the feasibility of developing a novel Lithium-Sulfur chemistry for electrical energy storage that provides high charge and discharge rates, high cycle life, and high energy density. The proposed technology is based on innovative sulfur-infused carbon composite cathode materials (developed at Cornell University), which overcome the poor cycle life problems that have plagued Li-S batteries by encapsulating sulfur in mesoporous carbon hosts. The primary goal of Phase I project is to develop S@C composite cathodes that contain high sulfur loading (70%) and exhibit long cycle life (>1000 cycles). We propose to achieve this target using electronically conducting, optimal porous carbon hosts (by utilizing commercially available carbon feedstocks: carbon aerogel, coconut carbon and coal) for sulfur infusion, which limits polysulfide dissolution. The secondary goal of Phase I research is to improve the thermal and electrochemical stability of the electrolytes to further the reversibility of the redox reactions between lithium and sulfur and safety.

* information listed above is at the time of submission.

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