Phase I Advanced Battery Materials for Rechargeable Advanced Space-Rated Li-Ion Batteries

Period of Performance: 01/01/2009 - 12/31/2009

$99K

Phase 1 SBIR

Recipient Firm

Yardney Technical Products, Inc.
2000 South County Trail
East Greenwich, RI 02818
Principal Investigator
Firm POC

Abstract

Lithium-ion (Li-ion) batteries are attractive candidates for use as power sources in aerospace applications because they have high specific energy (up to 200 Wh/kg), energy density (~ 500 Wh/L) and long cycle life (1,000 ýý 30,000 cycles depending on the depth of cycling). Yardney/Lithion, Inc. the leader in cutting edge Li-ion batteries is dedicated in research, development, design and manufacturer of high performing battery systems for aerospace, land and sea applications. At the present moment, two of the Lithion batteries are operating on the surface of Mars with great success. Future robotic and human exploration missions require advanced human-rated energy rechargeable batteries level metrics should have specific energy of 300 Wh/kg at C/2 discharge rate and 0oC, and energy density greater than 500 Wh/l, with a calendar life of 5 years. The cycle life of the cell is required at 100% Depth of Discharge (DOD) in the range of 250 cycles. Yardney proposes to develop environmentally benign new electrode components and cell chemistries based on high capacity of 300mAh/g layered Li2MnO3 derivative cathode, composite silicon based anode with a capacity of over 600 mAh/g and suitable electrolyte.