Safe, High-Power Battery for Sonobuoys

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-14-C-0030
Agency Tracking Number: N092-110-0948a
Amount: $1,436,682.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N092-110
Solicitation Number: 2009.2
Solicitation Year: 2009
Award Year: 2014
Award Start Date (Proposal Award Date): 2013-11-21
Award End Date (Contract End Date): 2016-09-15
Small Business Information
141 Christopher Lane, Harleysville, PA, 19438
DUNS: 000000000
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Ian Kowalczyk
 Senior Principal Developm
 (215) 513-4230
Business Contact
 David Chua
Title: President/CEO
Phone: (215) 256-4575
Research Institution
The Navy has established a need to update the battery capability of the present Active Source sonobuoy used in Anti Submarine Warfare(ASW) systems. The technology which is currently deployed achieves up to 14, 10 second pulses providing 2400 watts of power at 75 volts. The present battery, a primary lithium/SO2 system, suffers from safety concerns and limited power capability relating to excessive heat generation under high current discharge and the subsequent cell venting which results. As part of Phase I and II SBIR research activities, MaxPower Inc. has developed a high power cell based on a lithium/V2O5 primary chemistry. As a solid state cathode, the vanadium pentoxide chemistry offers a safer alternative to pressurized liquid systems and when employed as the active material in a highly conductive electrode, has demonstrated that a 4500 watt system is possible. Laboratory testing of baseline 5/4 C format cells and 13S modules have shown that rates of 60 amps can be sustained and 80 amps for a 10 second pulse at a 10% duty cycle are achievable without overheating or failure. Furthermore, cells have passed external short circuit testing by sustaining discharge currents up to 400 amps for up to 4 seconds during the test.

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

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