Energy device offers high-rate discharge characteristics
Murata has announced a low-profile high capacity energy device designed to meet the demand for a slim high capacity energy source with a maintenance-free extended life cycle in wireless sensor nodes and wearables. The UMAL has charge/discharge and life-cycle characteristics superior to conventional secondary batteries.
The UMAL has a nominal voltage of 2.3VDC, can supply 12mAh with a maximum discharge current of 120mA and is able to withstand load fluctuations. It has a low internal resistance of 200mΩ and can operate over a temperature range from -20 to +70°C.
The nominal charge voltage is 2.7VDC and the UMAL is capable of fast charging / discharge. In particular the device’s high-rate discharge characteristics mean that a peak-assist capacitor is not required. It also has a charge capacity recovery rate of over 90% after 5,000 charge / discharge cycles. The UMAL measures 2.0x14.0x21.0mm.
The device has a chemically stable composition that does not cause a fire or smoke hazard even if the output terminals are shorted out.
Mass production will commence in July 2016.
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