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High Turndown Ratio, High Delta-Emittance, Variable Emissivity Electrochromics

Award Information

National Aeronautics and Space Administration
Award ID:
Program Year/Program:
2012 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
9 Red Coach Ln HOLMDEL, NJ 07733-1138
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Woman-Owned: No
Minority-Owned: Yes
HUBZone-Owned: No
Phase 2
Fiscal Year: 2012
Title: High Turndown Ratio, High Delta-Emittance, Variable Emissivity Electrochromics
Agency: NASA
Contract: NNX12CA64C
Award Amount: $749,997.00


Among thermal control methods, variable-emittance materials remain the most promising for addressing deficiencies of current systems (mechanical louvers, loop heat pipes, MEMS, electrostatics, phase change materials, others), especially, e.g., for missions in extreme light/dark environments, planetary platforms. This firm's unique, patented variable-emittance skin technology, based on conducting polymers, microporous membranes and ionic liquids, with proven, space-environment performance, remains at the world forefront, with highest known Delta-emittance, good Turn-Down Ratio (TDR), very low power, low cost. Phase I work demonstrated separate emittance variation from 0.065 to 0.816, Delta-emittance>0.48, and long-term space durability, with one "breakthrough" innovation, two very significant innovations. A clear, specific pathway was demonstrated for combining low/high emittance in single devices to achieve TDR of 7.1, possibly 10.0. Phase II work will use this as basis to increase the TDR to>7.1, possibly>10.0, keeping the dark-state emittance ca.>/= 0.80. Surface Solar Absorptance will be further reduced from present ca. 0.31 to as low as possible (objective 0.09 to 0.24). Other Phase II tasks, following completion of TDR optimization, will address Controller, further space-qualification testing, manufacture, space-flights, commercialization pathway, other issues. Two identified commercial partners will assist in marketing.

Principal Investigator:

Prasanna Chandrasekhar
Principal Investigator

Business Contact:

Prasanna Chandrasekhar
Business Official
Small Business Information at Submission:

Ashwin-Ushas Corp, Inc.
NJ Holmdel, NJ 07733-1138

EIN/Tax ID: 223193455
Number of Employees:
Woman-Owned: No
Minority-Owned: Yes
HUBZone-Owned: No