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Epson, Murata to develop wireless quick battery charger

Posted: 04 Oct 2007 ?? ?Print Version ?Bookmark and Share

Keywords:wireless battery charger? power supply? Li-ion battery?

Seiko Epson Corp. and Murata Manufacturing Co. Ltd have agreed to jointly develop a wireless quick battery charger capable of a substantially shorter charging time.

Under the agreement, Murata will develop quick charge battery, secondary (battery) module, applied ceramic technology, electromagnetic field and thermal simulation technologies. Epson will handle the development of IC for wireless quick battery charger system, provide device for high-efficiency power transmission coils and systems. Epson will also carry out the development and support of systems and the development of primary (charger) module.

The thin, compact wireless quick battery charger system being jointly developed by Epson and Murata is expected to be a revolutionary product that will shorten the charging time of one to two hours required by currently existing charging systems, to approximately ten to fifteen minutes. Furthermore, a wireless charger makes it possible for devices that would ordinarily require their own dedicated charging units to share a single charging unit. In the future, when batteries will need to be charged more frequently, this system has the potential to greatly improve the ease and convenience of charging batteries.

Murata has experience with compact, thin modules and with power supply circuits and has been working on developing a Li-ion secondary battery, which it is pursuing as a new business. A Li-ion secondary battery is capable of the quick charging of a large amount of electrical energy.

Meanwhile, Epson has long been engaged in developing a non-contact, high-efficiency power transmission system and possesses certification system and IC technologies. The two companies have agreed to carry out joint development, with the goal of producing a commercially viable product within three years.

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