CAP-XX Introduces New High-Temperature Supercapacitors
CAP-XX Ltd. announced that it has expanded its product line with the high temperature HS and HW series supercapacitors. The HS and HW supercapacitors feature a higher-boiling-point electrolyte that extends operating and storage temperature from 75°C to what is claimed to be an industry-leading 85°C, and operating voltage from 4.5 to 5.5V.
These supercapacitors are said to work reliably in devices where nearby components can get very hot, such as RF Power Amplifiers, which can reach 120°C during transmission, as well as in devices which are exposed to environmental high temperatures, such as a mobile phone left on the dashboard of a car in direct sunlight, or in the engine compartment in an automotive application. The new supercapacitors are also said to offer long-life performance at up to 2.75V in single-cell versions, and 5.5V in dual-cell versions with the two cells connected in series. All devices operate from -40 to +85°C.
"These ruggedized supercapacitors support the most environmentally-demanding, power-hungry mobile phone applications," said Anthony Kongats, CEO of CAP-XX. "The higher voltage enables high-power LED Flash for better pictures, and can double audio power for richer-sounding music. The new high-temperature threshold assures reliability, even in a phone left in a car on a hot day."
Supercapacitors are claimed to deliver 100x the power of batteries and store 10,000x more energy than conventional capacitors. They store electrical energy during periods of low-load power, and then release it in quick "bursts" during peak-power events, supplementing power from the source and smoothing out voltage fluctuations. CAP-XX supercapacitors are said to benefit from a unique nanotechnology construction which packs the highest energy and power densities into thin, lightweight, prismatic packages that will fit into slim portable devices. They store charge on nanoporous carbon electrodes on aluminum foil, arranged in multiple layers and connected in parallel to minimize the resistance and maximize the capacitance of the device.
The new HW series features a small 28.5 x 17mm footprint and combines high capacitance (up to 0.4 Farad at 5.5V) with low equivalent-series-resistance (ESR as low as 100 milliohm at 5.5V) in a thin (0.9 to 2.90mm) package. The HS series features a small 39 x 17mm footprint and combines high capacitance (up to 0.7 Farad) with very low ESR (as low as 55 milliohm at 5.5V) in the same thin (0.9 to 2.90mm) package. The low-profile prismatic packages may be soldered or ultrasonic welded to pads on a PCB. Pulse current for a single pulse is 20A, RMS current is 4A. The new supercapacitors have power densities as high as 71.5KW/litre and energy densities up to 5.5KJ/litre (or 1.5Wh/litre).
Samples and production quantities are available immediately, and pricing starts at less than $2 each in production quantities.
