Slim laminate device has life-cycle of secondary batteries

Designed as a slim high capacity energy source for wireless sensor nodes and wearable designs, a thin laminate energy device, the UMAL, has a maintenance-free, extended life cycle in wireless sensor nodes. According to Murata, it also has charge/discharge and life-cycle characteristics superior to conventional secondary batteries.

The device has a nominal voltage of 2.3V DC and can supply 12mAh with a maximum discharge current of 120mA and is able to withstand load fluctuations. It has a low internal resistance of 200mOhm and can operate over -20 to +70°C.

The nominal charge voltage is 2.7V DC. The high-rate discharge characteristics mean that a peak-assist capacitor is not required. Charge capacity recovery rate is over 90% after 5,000 charge/discharge cycles. The UMAL measures 2.0 x 14.0 x 21.0mm.

Its chemically stable composition means that it does not cause a fire or smoke hazard even if the output terminals are shorted out, claims the company.

http://www.murata.com

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