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Slim, flexible NEC battery charges in 30 seconds

19.02.2006

The Japanese company NEC announced the development of a flexible and very thin rechargeable battery that has a very short charge time - only 30 seconds.

Electricity is generated in it by an electrochemical reaction involving radicals of organic compounds. That's why NEC named it organic radical battery (ORB). The working substance in it is an organic polymer compound RTMA, and there are no heavy metals (mercury, lead or cadmium) at all. So it also does not pollute the environment.

The battery is only 0 mm thick, so it is planned to be used in RFID smart cards and "electronic paper", although there are other low-power applications.

According to NEC, the battery will last for several weeks of RFID card operation. The 4 sq. cm was embedded in a plastic card the size of a credit card. On this card there was also an LED that, after the battery was charged, burned for 20 minutes. We also add that this was not the first ORB battery demonstrated by NEC, but it is smaller than its predecessors.

NEC has been working on this project since 2000, and, for example, in August 2005, a prototype 55x43x4 mm in size and weighing 20 grams was demonstrated, designed for emergency power supply of a computer.

This battery will last for a minute of computer operation with a power consumption of 140 W, and during this time the user can save the files he was working on and correctly close running applications.

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