Passives

0.6mm supercapacitors address IoT space constraints

26th May 2015
Barney Scott
0
Datasheets

CAP-XX has launched its Thinline series of 0.6mm thick single-cell supercapacitors, starting at less than $1 in large volumes. Thinline was developed to address the size, weight and cost challenges of designing thin, sometimes disposable electronic devices for the IoT. Examples include wearables, portables and connected electronics such as smart homes, smart buildings and electronic shelf labels.

To reduce thickness and manufacturing costs, CAP-XX increased the power and energy density in its electrode materials to deliver equivalent performance in about half the volume, and eliminated the folded edges and copper terminals that contribute to thickness in its standard line supercapacitors. For comparison, CAP-XX's thinnest traditional single-cell supercapacitor is 1.10mm.

CAP-XX supercapacitors benefit from a nanotechnology construction that stores electrical charge in engineered carbon electrodes on aluminium foil, to minimise resistance and maximise capacitance. This unique electrode construction packs the highest energy and power densities possible into thin, prismatic packages.

Supercapacitors can handle peak power events, supporting batteries and energy harvesters configured to provide low-power current at maximum efficiency. This architecture allows designers to use smaller, cheaper, low-power batteries and extend their run-time and cycle life, or use intermittent ambient energy sources such as solar PV. Supercapacitors also enable fast device charging and wireless power transfer, and provide the backup needed for graceful shutdown and ‘last gasp’ transmissions in mission-critical applications.

CAP-XX Thinline supercapacitors support power requirements in IoT devices including wireless communication (Bluetooth, Bluetooth Smart, Zigbee, Z-Wave, Ant, active RFID), electronic paper and OLED displays, haptic or tactile feedback, vibration alerts, GPS acquisition, and injection or inhalation system delivery.

The Thinline idea was born while working with a customer designing a disposable insulin pump. "We figured out how to eliminate materials and change some processes to reduce costs and thickness," explained Anthony Kongats, CEO, CAP-XX.

Thinline works with thin-film, solid-state, and other low-power batteries such as coin cells/button cells, energy harvesting modules (solar, vibration/kinetic, RF, and other ambient energy sources), as well as inductive/wireless and cable/cradle fast-charging systems.

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