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BAE provides details of 'structural battery' technology 
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Torches, drones and an electric Le Mans racing car are all test-beds for a new kind of "structural battery", BAE Systems has said.

The batteries use carbon fibre and can form part of the body of a device.

By effectively building the power source into the fabric of an object they can save weight.

http://www.bbc.co.uk/news/technology-17014808

Which makes a lot of sense - until you consider the need to replace the batteries after they have stopped holding a sufficient charge.

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The batteries are nickel based. Originally intended for use in the military, they had to be resistant to fire and have a long working life.

"You need a battery chemistry that will last for many decades, you basically can't just take a wing off and throw it away as you would a mobile phone [battery]," Mr Penney said.

Oh-ho!

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Tue Feb 14, 2012 1:27 pm
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I can see the advantage for things like military use.

Radio units that ARE the battery without having to carry the radio and a big battery pack separately (for instance).

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