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Solar Breakthrough Could Provide Power Without Solar Cells

Posted by Soulskill on from the bright-ideas dept.

An anonymous reader tips a University of Michigan news release about the creation of what's being called an "optical battery" that could lead to the use of solar power without traditional solar cells (abstract). Quoting: "Light has electric and magnetic components. Until now, scientists thought the effects of the magnetic field were so weak that they could be ignored. What Rand and his colleagues found is that at the right intensity, when light is traveling through a material that does not conduct electricity, the light field can generate magnetic effects that are 100 million times stronger than previously expected. Under these circumstances, the magnetic effects develop strength equivalent to a strong electric effect. 'This could lead to a new kind of solar cell without semiconductors and without absorption to produce charge separation,' Rand said. 'In solar cells, the light goes into a material, gets absorbed and creates heat. Here, we expect to have a very low heat load. Instead of the light being absorbed, energy is stored in the magnetic moment. Intense magnetization can be induced by intense light and then it is ultimately capable of providing a capacitive power source.'"

4 of 223 comments (clear)

  1. Re:I've been reading about solar breakthroughs by Anonymous Coward · · Score: 4, Insightful

    The trouble is that it's still cheap to get fossil fuels.

  2. Re:I've been reading about solar breakthroughs by smelch · · Score: 3, Insightful

    Yes, what would be great is if fossil fuels were really expensive and we actually had an energy crisis. We won't get efficient panels until all the factories are shut down.

    --
    If I can just reach out with my words and touch a butthole, just one, it will all be worth it.
  3. Re:I've been reading about solar breakthroughs by Belial6 · · Score: 3, Insightful

    30 years ago, it took more energy to produce a solar panel then what it would produce in it's lifetime. Today that is not the case. That achievement alone is monumental. Your problem is that you can't see the connection between the announcement and the release of these products.

  4. Re:I've been reading about solar breakthroughs by Rei · · Score: 5, Insightful

    I've been reading about solar breakthroughs for 30 years

    30 years ago, photovoltaic panels cost almost $40 per watt.
    Today, the cheap ones are about $2 per watt.

    Mods, how is ignorance insightful?

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    He may be bullet-proof, have the ability to fly, be a great baseball player, and/or Santa Claus.