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Heat Absorbing material

  1. Jul 12, 2009 #1
    I am wondering if there is a heat absorbing material that can absorb heat material at high rate , especially in summer and that heat can be converted to electricity for storage in my battery bank to light my LED lamps.
     
  2. jcsd
  3. Jul 12, 2009 #2
    There are plenty of heat absorbing materials out there. But to your specific question, you can't convert heat directly to electricity. You need to use a Carnot Heat Engine type mechanism to do this.
     
  4. Jul 12, 2009 #3

    russ_watters

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    Staff: Mentor

    Well a peltier device will do it, but at very bad efficiency (like 4%).
     
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