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CAPACITY ENERGY STORAGE AT CRYOGENIC TEMPERATURES

Award Information

Agency:
Department of Defense
Branch:
Air Force
Award ID:
967
Program Year/Program:
1985 / SBIR
Agency Tracking Number:
967
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
CERAMPHYSICS, INC.
921 Eastwind Dr. Suite 110 Westerville, OH 43081
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 2
Fiscal Year: 1985
Title: CAPACITY ENERGY STORAGE AT CRYOGENIC TEMPERATURES
Agency / Branch: DOD / USAF
Contract: N/A
Award Amount: $342,000.00
 

Abstract:

A BASIC RESEARCH PROGRAM IS PROPOSED TO STUDY CAPACITIVE ENERGY STORAGE AT 77 K BASED ON CADMIUM-LEAD NIOBATE CERAMICS FOR TWO REASONS: (1) THE DIELECTRIC CONSTANT IS UNUSUALLY LARGE AT THESE TEMPERATURES (\8000); AND (2) THE FERROELECTRIC TRANSITION CAN BE COMPOSITIONALLY ADJUSTED BELOW 77 K. TWO ADVANTAGES ACCRUE: (1) THE STORED ENERGY DENSITY AT 77 K IS MAXIMIZED; AND (2) ON DISCHARGE (I.E., E O) THE DIELECTRIC COOLS BY ADIABATIC DEPOLARIZATION, THUS PARTIALLY COMPENSATING HEATING EFFECTS. ADDITIONALLY, AT CRYOGENIC TEMPERATURES DIELECTRIC BREAKDOWN STRENGTHS INCREASE AND METAL RESISTIVITIES DECREASE. A ROUGH ESTIMATE SUGGESTS THAT ENERGY DENSITIES -25 J/CM3 (-4 J/G) MIGHT BE ACHIEVED. THE RESEARCH PLAN CALLS FOR DIELECTRIC, ELECTROCALORIC, AND DIELECTRIC-BREAKDOWN STUDIES AT LIQUID NITROGEN TEMPERATURES ON PROTOTYPE, MULTILAYER, CERAMIC CAPACITORS. EXPERIMENTAL DATA WILL BE ANALYZED USING GIBBS AND HELMHOLTZ THERMODYNAMIC FUNCTIONS.

Principal Investigator:

Dr. W. N. Lawless
6148822231

Business Contact:

Small Business Information at Submission:

Ceramphysics, Inc.
P.o. Box 346 Westerville, OH 43081

EIN/Tax ID:
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No