Development of High Energy, Low Temperature Rechargeable Battery for Load Leveling Application

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$99,679.00
Award Year:
2009
Program:
SBIR
Phase:
Phase I
Contract:
DE-FG02-09ER85348
Award Id:
94452
Agency Tracking Number:
90111
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
9052 High Bridge Drive, Knoxville, TN, 37922
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
174767780
Principal Investigator:
Josip Caja
Mr.
(865) 483-2559
jcaja@electrochemicalsystems.com
Business Contact:
Josip Caja
Mr.
(865) 483-2559
jcaja@electrochemicalsystems.com
Research Institution:
n/a
Abstract
The most common method for utility energy storage in the US is pumped hydro, which has very low energy density (~ 1.1 kWh/m3) and long response times (1 to 5 min). Another method is the use of rechargeable batteries such as lead acid batteries (40 kWh/m3), which require high maintenance and have a low cycle life. Therefore, the DOE is interested in finding novel battery chemistries that have the potential to meet the long term needs for large-scale storage battery systems. In this project, a high voltage (>4.2 V per cell), high energy density, rechargeable, maintenance-free cell, which operates at low temperatures (120oC to 150oC), will be developed. The energy density of the cell will be improved by increasing the concentration of sulfur in the cathode. The battery is expected to produce thousands of charge discharge cycles and have rapid response times. Commercial Applications and other Benefits as described by the awardee: The new battery will store energy from various sources, including renewable sources, more economically and reliably than presently available systems. The battery could be of big benefit to utility companies, and to the public in general, by cost effectively storing unused electrical energy and making it available for delivery during high demand periods.

* information listed above is at the time of submission.

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