Intelligent Variable Emittance Panels Using New, """"True"""" Solid Electrolyte

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$599,981.00
Award Year:
2004
Program:
SBIR
Phase:
Phase II
Contract:
NNG04CA20C
Award Id:
66922
Agency Tracking Number:
022299
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
206 Ticonderoga Blvd, Freehold, NJ, 07728
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
807772942
Principal Investigator:
PrasannaChandrasekhar
Principal Investigator
(732) 462-1270
chandra.p@ashwin-ushas.com
Business Contact:
PrasannaChandrasekhar
Business Official
(732) 462-1270
chandra.p@ashwin-ushas.com
Research Institute:
n/a
Abstract
This work further developed a highly promising Variable Emittance technology for spacecraft thermal control based on Conducting Polymer (CP) electrochromics developed earlier by this firm with the Air Force, NASA and JPL, with: Extremely thin (< 0.2 mm), flexible (plastic), lightweight (0.176 kg/m^2), extremely durable, variable area (0.5 cm^2 - 0.5 m^2), flat-panel construction; high Delta Emittance (DE) (> 0.4); cyclability > 10^4 cycles, switching < 5 s; power 40 iW/cm^2; proven space durability; low cost (est. < $5K/m^2). A key technical barrier of this earlier-generation technology was the need for a hermetic seal and bulky CsI windows/frame, problems associated therewith, due to the gel electrolyte used needing some moisture content to be ?sealed in?. In Phase I, use of newly discovered, ?true? solid, room temperature molten salt electrolytes (?IonEls?) eliminated the hermetic seal. Devices showed: DE > 0.5; excellent space durability (> 23000 electrochromic, > 90 thermal cycles over 23 days in space vacuum, > 500 h UV, operating temperature -45 to +100 C, no outgassing). Alpha(s)-lowering and ITO coatings were demonstrated. Phase II will complete a much more rigorous space durability testing regime, optimize devices, demonstrate intelligent control of device arrays, start pilot-scale production and costing, and initiate flight tests.

* information listed above is at the time of submission.

Agency Micro-sites


SBA logo

Department of Agriculture logo

Department of Commerce logo

Department of Defense logo

Department of Education logo

Department of Energy logo

Department of Health and Human Services logo

Department of Homeland Security logo

Department of Transportation logo

Enviromental Protection Agency logo

National Aeronautics and Space Administration logo

National Science Foundation logo
US Flag An Official Website of the United States Government