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Flexible Thin-Film Fast Charge Battery

Technology Overview

The power source is a critical component of personal wearables and devices. The shape and form are often constrained and influenced largely by the shape of the battery in the electronic device.

This technology features a flexible thin-film rechargeable battery that can conform to the shape of the product. The fast-charge capable battery has high bending durability withstanding thousands of cycles with little negative side effects on performance.  

This makes it suitable for application such as straps of smartwatches, skin patches, smart fabrics and smart cards.

Technology Features & Specifications

The rechargeable Lithium Ion battery has the following specification:

  • Operating Voltage: 3.0V - 4.25V
  • Capacity Range: 10mAh - 5Ah
  • Size: 20 x 20 to 200 x 200 mm (customizable)
  • Thickness: 0.5 mm min
  • Charge Cycle: 80% @ 1.0C
  • No liquid electrolyte (gel-polymer electrolyte)
  • Low internal resistance
  • No overheating
  • Stable under bending fatigue

Potential Applications

The flexible battery can be used in applications like:

  • the strap of smartwatches,
  • skin patches,
  • flexible and thin display, 
  • RFID tags and smart cards
  • smart packaging, interactive cards

Customer Benefits

The thin-film battery adds industrial design freedom to small and wearable devices as design no longer has to be limited by the shape of the battery (coin-type, cylindrical, pouch, etc.). 

The thin-film battery technology also enables new application like smart fabrics, interactive packaging.

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