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Southampton scientists pioneer 'new battery'

1 March 2010
Scientists in Southampton are pioneering innovative technology which could see industry benefit from a new method of power supply.

Backed by the Engineering and Physical Sciences Research Council (EPSRC) the University of Southampton's School of Electronics and Computer Science (ECS) has initiated the Energy Harvesting Network.

The network, which launched today, is dedicated to furthering the use of energy harvesting - the coordination of different low-grade power sources to create an effective delivery of energy.

Using ambient energy sources which emit a small amount of power - for example, environmental vibrations or human motion - a device is able to convert this and produce usable electrical energy.

The Network, which has already registered more than 25 companies, is now looking for researchers and industrialists to contribute to its website and help promote the possibilities of the new technology, bringing together academic and industrial researchers, as well as end-users.

Energy harvesting devices are seen as potential replacements for primary batteries in low-power wireless sensor nodes and could yield a range of innovative applications not currently possible, including implantable and wearable medical devices.

Dr Steve Beeby and Dr Geoff Merrett, part of ECS' Electronic Systems and Devices Group, say a range of other industries could also benefit from a method capable of powering a device for its entire lifetime.

"Batteries have to be recharged or replaced," explained Dr Beeby. "Energy harvesting is a potential alternative power supply that will outlast the application."

ECS is currently leading the world in the development of energy-harvesting solutions, having already co-ordinated the European Union-funded VIBES project, which developed miniature electromagnetic and piezoelectric vibration energy harvesters.

Now the organisation is seeking to further develop the idea and commercialise it through its spin-out company Perpetuum.

The South East has become an important hub for the development of environmental technologies and is at the forefront of bio-technology research as high-tech and clean energy solutions are sought.

Earlier this year Southampton University began a £1.1 million scheme looking at how trees and grass might be harnessed to generate energy, while a team of scientists at Oxford University is currently exploring how heavy industry might make use of carbon capture.
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