A flexible organic battery has been created. Free Technical Library News

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Created a flexible organic battery

21.09.2017

Scientists at Queens University of Ireland in Belfast have developed a new flexible organic battery that promises a major advance in the field of medical implants. Currently, medical devices such as pacemakers use solid batteries made of metal, which makes them not very convenient. In addition, such batteries do not have the property of decomposition, so after a while it is necessary to perform a second operation on the patient to remove the battery and replace it with a new one.

The new flexible organic battery is not only capable of holding three times the charge of conventional batteries, but also offers environmentally beneficial properties as it can self-degrade. At the same time, with this feature, the device is completely not subject to energy leakage, and it is also made of non-combustible material. In addition, for patients, its use will be somewhat more comfortable, since the battery has a flexible property, and therefore can change its shape with the movement of the human body. in an interview with the BBC about how a flexible supercapacitor could be part of new medical devices.

"Medical devices like pacemakers and defibrillators typically consist of two implantable parts. One is attached directly to the heart itself, while the other contains a solid metal battery that is implanted under the patient's skin," says Dr. Srinivashan.

"The implant under the skin is connected by a wire to the main device and can cause discomfort for the patient, as it can rub against the subcutaneous layer. For this reason, it was necessary to develop new and easy-to-use batteries. The ideal solution was to make them flexible so that they can change their shape and adapt to the shape of the body.

As noted above, the new battery is safer than the current ones, as it does not contain any combustible materials and therefore does not have the risk of exploding. Not only is it flexible, but it's also very light, which opens the way for it to be used in other consumer electronics, such as flexible laptops or phones, which also currently use solid-state batteries. What's more, current batteries are very expensive to recycle because they contain toxic materials.

Organic batteries will decompose on their own over time without causing any harm to the environment. The new battery, developed by the Srinivashan team, uses biomaterials such as cellulose, rather than expensive and non-degradable metals or semiconductors, as conventional ones. It is also worth noting that, despite the ability to self-decompose, the batteries are completely safe for the human body, as they begin to break down only when the temperature reaches 270 degrees Celsius.

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