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GM heat pump recovers energy from EV battery to power heating & propulsion while helping conserve range: Ultium Energy Recovery

Green Car Congress

Covered by 11 patents and four publications, the development of Ultium energy recovery traces its inception back to GM’s first EV, the EV1, in the late 1990s, when GM engineers first developed an EV heat pump. EV batteries, power electronics and other propulsion components produce heat.

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AeroVironment Awarded Patent for Electric Vehicle Energy Data Management and Control; Web-based System Solution for EV Battery Optimization

Green Car Congress

7,444,192 ) by the United States Patent and Trademark Office (USPTO) for technology that facilitates the optimal charging, management, control and maintenance of battery packs, chargers and electric vehicles (EVs). A device employing this technology could create and store a performance profile for the EV and charger.

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False Starts: The Story of Vehicle-to-Grid Power

Cars That Think

Electricity is a commodity that is bought and sold, and yet unlike most other commodities, it cannot easily be stored. If too much or too little electricity is present in the power grid, the network can suddenly become unbalanced. Once electricity is generated and passes into the grid, it is typically used almost immediately.

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Slow start for charge of the electric cars - Times Online

Tony Karrer Delicious EVdriven

Peter Roach, Birmingham, UK Nickel metal hydride (NiMH) batteries powered the late GM EV1 and still power hundreds of Toyota RAV4 EVs, some over 100,000 miles. Also, Firefly batteries now being produced use lead foam in lead-acid configuration, cutting their weight almost in half. May I ask what powers the heater?

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GM Says Chevrolet Volt Won't 'Pay the Rent' | Autopia from Wired.com

Tony Karrer Delicious EVdriven

Posted by: AJ | Apr 13, 2009 3:24:59 PM Dont buy the hype, version 1 was the EV1 which GM released in 1996. Posted by: J-Bob | Apr 13, 2009 4:48:10 PM "Dont buy the hype, version 1 was the EV1 which GM released in 1996. Posted by: canderson | Apr 13, 2009 5:02:50 PM The EV1 gave drivers 80 miles on a charge. Thats right.