Ener1 Lithium Ion Battery Progresses

EnerDel Subsidiary Announces Lithium Ion Battery Test Results for Advanced High-Power Batteries for Hybrid Vehicle Applications

Published: 22-Feb-2007

The battery cells were tested for power-assist goal performance, including tests for static capacity, hybrid pulse power, self-discharge and thermal performance at various temperatures. EnerDel said the initial tests' results show that its cells met and exceeded phase-one performance goals of the U.S. Advanced Battery Consortium (USABC) program contract. USABC is a part of the United States Council for Automotive Research (USCAR), an umbrella organization for collaborative research among DaimlerChrysler Corporation, Ford Motor Company and General Motors Corporation, which often works with the U.S. Department of Energy (DOE) to strengthen the North American auto industry through cooperative development of advanced technologies.

In particular, the EnerDel cells averaged 50 percent more discharge power (i.e., ability to accelerate in stop-and-go traffic) compared to the end-of-life target, and the cells had a significantly lower self-discharge (i.e., the amount of battery energy loss when the vehicle is not operating) than the USABC target. The cells exhibited consistent discharge results over wide temperature ranges, including very good low temperature performance. In the next stage tests expected in April 2007, the batteries will be tested additionally for high hybrid pulse power characterization, cold cranking, efficiency and lifetime performance.

Ulrik Grape, CEO of EnerDel, said, "We are pleased that these test results from an independent laboratory confirm that our lithium ion battery technology has great promise for the hybrid electric vehicle market. We look forward to the next testing phase and expect to show results that will continue to meet and exceed the battery performance requirements of USABC and the DOE and that will set a very high standard of performance in the United States."

Charles Gassenheimer, Vice Chairman of Ener1, Inc., said that the test results represent another important milestone for Ener1. "We believe these test results are another step towards validation of our lithium ion battery technology for the hybrid electric vehicle market. This is further evidence that we are accelerating our work toward commercialization of a battery that has the potential to significantly improve future hybrid vehicles made in the United States and add value to the American automotive industry."

EnerDel is working under a 12-month, cost-share contract from USABC as part of a proposed three-phase plan to launch a cost competitive lithium ion battery that is lighter, smaller and higher in power than existing battery technologies for hybrid electric vehicles. The company is collaborating with Argonne National Laboratory, one of the DOE's largest research centers, on the advanced materials that give the battery its characteristics. EnerDel's long-term plan includes the mass-manufacture of li-ion batteries in the State of Indiana using automated production technologies.

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