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Paper batteries start to roll

12 May 2014  | Steve Taranovich

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Applications made possible with this technology:

Capacitive Touch Screens– Noise (EMI) is the number one issue for capacitive touch screens, and the PowerPatch cannot only act as a shield but also provide for LED driver voltage stability.

Camera flashes – Most phone cameras with greater 1.3Mpx require strong flashes for images and bright torches for movies in lower lighting conditions. The intensity of the flash directly and indirectly affects the image quality. Power pulses to the flash require high energy and very low ESR.

Smartwatches – Currently, smartwatches, while novel, offer limited functionality as a tethered device to a smartphone or tablet. Evolution of functions will require better power sources to extend range and increase data rates.

Small and battery-powered woofer and subwoofer sound systems – For the best sound, transient power demands must be accommodated with as little change as possible in the power supply voltage, essentially as changes in current demand only. Supercapacitors with high energy density and low ESR will increase performance. Thin form factor enables them to fit in the industrial design of the final product or bass-producing sub-system.

Personal audio amplifiers and medical hearing systems – Integration of Bluetooth and other wireless radio technologies for streaming directly into the device. RFI and Tru-Tone Hearing Aid Centers (THAC) issues.

LED drivers – Voltage stability, boost efficiency, thermal, and RFI benefits, plus cost and size advantages.

The future

Future growth will be driven by scale production to large format performance laminates, energy wraps as structural elements, like solar energy array backplanes to hybrid vehicle panels.

PowerPatch can be implemented with multiple outputs, and in the future, multiple voltages. These advantages allow PowerPatch to make power connections adjacent to multiple loads for the lowest possible ESR. PowerPatch can be used to multiply or divide voltages to feed directly to load, or as an input to or storage from voltage converters.

Here's a video of Paper Battery Company's PowerWrapper technology platform:

In the future, PowerPatch will have the ability to mount components directly onto the PowerPatch. Examples might include components for voltage regulation, switches, and control, as well as RFIDs.

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