LED North America Archives | The American Ceramic Society

LED North America

ORNL’s heat transferring graphite foam to be used in LED streetlight applications

By / September 1, 2010

ORNL’s James Klett holds an LED streetlamp. The lamp will use heat sinks of graphite foam(samples in his left hand) to extend the life of the LEDs and cut operating costs. Around 1997, Oak Ridge National Lab’s James Klett and Timothy Burchell discovered how to make graphite foam, a material that had at least one…

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