Thermal Battery Powder Granulation

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: HQ0006-05-C-7225
Agency Tracking Number: B041-037-1133
Amount: $1,733,620.00
Phase: Phase II
Program: SBIR
Awards Year: 2005
Solicitation Year: 2004
Solicitation Topic Code: MDA04-037
Solicitation Number: 2004.1
Small Business Information
5430 70th Avenue North, Pinellas Park, FL, 33781
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: Y
Principal Investigator
 Heath Norris
 AA DIr. of Technology
 (727) 520-1393
 hnorris@ensercorp.com
Business Contact
 Robert Jackson
Title: President
Phone: (727) 520-1393
Email: rjackson@ensercorp.com
Research Institution
N/A
Abstract
Thermal batteries are mission-critical components utilized in virtually every weapon system. Thermal batteries require four types of pellets that comprise the energy-producing portion of the battery. These include: (1) anode pellets, composed of Li(Si) alloy and electrolyte salt, (2) cathode pellets, consisting of either FeS2 or CoS2 and electrolyte salt, (3) separator pellets, consisting of MgO and electrolyte salt and (4) heat pellets containing iron and potassium perchlorate. A pellet is manufactured by compacting its powdered constituents in an automated press. The powder is loaded into a feed shoe, which automatically fills a die cavity. Currently, pellet production is the rate-limiting step in thermal battery manufacture, hence, it is essential to optimize press throughput. The chemical, physical, and mechanical differences between the powders are wildly different. The ultimate material would exhibit excellent flow behavior and compaction behavior. The pharmaceutical industry has done extensive work in this area. One of the methods utilized to improve flow properties and compression characteristics is granulation. This proposed SBIR project focuses on the design challenge to implement a granulation process in order to double pellet production rate. In principle, accomplishing this goal will result in a substantial increase in thermal battery production capability.

* Information listed above is at the time of submission. *

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