Belfast scientists design flexible organic battery

From BBC - September 13, 2017

Queen's University Belfast scientists have designed a new flexible organic battery that could revolutionise how medical implants are powered.

Devices such as pacemakers are currently fitted with rigid metal based batteries, which can cause discomfort.

The charge in the batteries is set to last three times as long as in their conventional counterparts.

As it is decomposable, the organic battery is also expected to have environmental benefits.

Research leader Dr Geetha Srinivasan from Queen's University's Ionic Liquid Laboratories (QUILL) research centre said the device was also non-flammable and had no leakage issues.

She said the "flexible supercapacitor" could be used to power body sensors such as pacemakers.

"In medical devices such as pacemakers and defibrillators there are two implants, one which is fitted in the heart and another which holds the metal based, rigid batteries - this is implanted under the skin," said Dr Srinivasan.

"The implant under the skin is wired to the device and can cause patients discomfort as it is rubs against the skin.

"For this reason batteries need to be compatible to the human body and ideally we would like them to be flexible so that they can adapt to body shapes."

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