Advanced Materials and Chemistries for Electrochemical Energy Storage Devices

Award Information
Agency:
Department of Defense
Branch
n/a
Amount:
$749,999.00
Award Year:
2009
Program:
SBIR
Phase:
Phase II
Contract:
FA8650-10-C-2042
Award Id:
86121
Agency Tracking Number:
O2-0844
Solicitation Year:
2008
Solicitation Topic Code:
OSD08-EP2
Solicitation Number:
2008.1
Small Business Information
82 Mechanic Street, Pawcatuck, CT, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
617158712
Principal Investigator:
Joseph Gnanaraj
Sr. Research Scientist
(860) 599-1100
joeg@lithion.com
Business Contact:
Vincent Yevoli, Jr.
President and Chief Opera
(860) 599-1100
vyevoli@lithion.com
Research Institution:
n/a
Abstract
The objective of this proposal is to develop advanced battery chemistries that allow batteries to operate safely at specific energies higher than 100 Wh/kg & energy densities over 600 Wh/l, or at power levels above 5kW/kg. The phosphate based LiMPO4 (M = Fe, Mn, Ni, and Co), cathodes are found to be attractive because of the stable nature of the olivine-type structure. Having a PO43 & #8722; polyanion with a strong PO covalent bond provides not only excellent cycle-life but also a safe system that is resistant to overcharge, thermal degradation and oxygen evolution. This stability reduces the risk of failure propagation in the high energy and high power batteries of interest to the AirForce. The robust covalent bonding of PO43 & #8722;, however, reduces the compounds"conductivities, and olivines require additional treatment with conductive aids to perform at useful rates. Yardney Technical Products proposes to develop a high voltage (>4.8V) olivine-type phosphate cathode and a suitable electrolyte system for high energy Li-ion batteries.

* information listed above is at the time of submission.

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