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High energy density Li-ion batteries with nanocomposite cathodes

Award Information

Department of Defense
Office of the Secretary of Defense
Award ID:
Program Year/Program:
2003 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
NEI Corporation
400 E Apgar Drive Somerset, NJ 08873-
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2003
Title: High energy density Li-ion batteries with nanocomposite cathodes
Agency / Branch: DOD / OSD
Contract: N00014-03-M-0113
Award Amount: $99,995.00


The energy density of Li-ion batteries can be enhanced by utilizing cathodes that have significantly higher energy density than that of state-of-the-art LiCoO2. The proposed program focuses on developing novel nanocomposites with a theoretical energydensity of ~ 800 Wh/kg, which is more than 60% higher than that of the practical energy density of LiCoO2. Working in collaboration with a leading developer of Li-ion batteries in Phase I, we will demonstrate that it is possible to produce stable and highenergy density nanocomposite cathodes. These cathodes will lead to economical, high energy density and long cycle life rechargeable Li-ion batteries at discharge rates acceptable in commercial Li-ion batteries. As part of Phase I work, the electrochemicalproperties of these nanocomposite cathodes will be evaluated in Li and Li-ion test cells with a liquid electrolyte. Additionally, prototype batteries, consisting of cathodes made of this novel nanocomposite powder, will be fabricated to address practicalissues pertaining to the use of nanomaterials. In Phase II, test batteries will be fabricated and tested for performance, along with optimization and scaling of the powder synthesis process. The broader impact of the proposed program will be theavailability of economical, high energy density secondary Li-ion batteries for several military and consumer applications. The cathode in Li-ion batteries is a very important constituent and accounts for a worldwide market of more than $250 million/year.Consequently, an economical, high energy density cathode has a major role to play as Li-ion batteries evolve in year to come.

Principal Investigator:

Amit Singhal
Senior Scientist

Business Contact:

Gary S. Tompa
Chief Executive Officer
Small Business Information at Submission:

Suite 106, 120 Centennial Ave., Piscataway, NJ 08854

EIN/Tax ID: 223568329
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No