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High Energy Density and High Power Density Thermal Energy Storage

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-11-M-5125
Agency Tracking Number: F103-163-1169
Amount: $99,192.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: AF103-163
Solicitation Number: 2010.3
Solicitation Year: 2010
Award Year: 2011
Award Start Date (Proposal Award Date): 2011-01-07
Award End Date (Contract End Date): N/A
Small Business Information
1598 Foothill Dr PO Box 61800
Boulder City, NV -
United States
DUNS: 152672127
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Lance Kirol
 Senior Engineering Analyst
 (702) 293-0851
Business Contact
 Uwe Rockenfeller
Title: President
Phone: (702) 293-0851
Research Institution

Thermal energy storage for load smoothing can be beneficial in applications having large transient heat load compared to steady-state heat rejection. Laser weapons and high-power microwave generators are examples where TES can help. Ammoniated complex compound systems can provide heat absorption due to exothermic dissociation of the complex compound. Very high energy density and power density TES are possible, and there are no standby losses from a charged system. Gas released during dissociation must be stored. Phase I will evaluate systems storing gas (a) in and pressurized vessel, and (b) in a gas-storage reactor with a lower vapor pressure complex compound. TES systems of this type are recharged by allowing ammonia to return to the TES vessel and reform the complex compound. Thousands of TES-recharge cycles are possible. Heat and mass transfer processes and internal structures developed at Rocky Research ensure high reaction rates and stabilize the solid reactant. Phase II will focus on development and demonstration of the preferred configuration. Heat storage from a 70 & #61616;C load from a microwave generator will the primary focus of both phases. BENEFIT: Anticipated Benefits/Potential Commercial Applications of the Research or Development. (No classified or proprietary information)

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