Flexible battery cell drives wearable innovation

March 26, 2019 //By EJ Shin
Flexible battery cell drives wearable innovation
As the market for IoT-connected devices, medical, mobile devices and smart wearables steadily grows, batteries are becoming recognized for the vital role they play in making these next-generation products possible and market adoption skyrocket.

Physicists and chemists have conducted countless experiments and invested heavily in R&D to develop batteries that enable and improve the products we increasingly depend on. While they’ve been successful in increasing energy density through the development of various chemical materials and manufacturing technology, form factor remains a key barrier for design engineers and product developers.

 

The battery imperative

Batteries have become one of the most important components for product performance and design as more and more products have become portable, include more functionality and require more power to work. And now battery form factor is an essential consideration for creating attractive and comfortable devices.

While product components including sensors and chips tend to be small enough to enable flexibility in product design, the traditional rigid battery limits innovation in the majority of cases. As wearables and IoT device manufacturers compete with products that provide higher and higher levels of usability and comfortability, demand for thin and flexible batteries is rising.  

 

Battery use cases

Lithium ion, which boasts high energy density, is the dominant battery chemistry used in everyday products. Rigid batteries and other form factors are useful for a variety of applications, but as you’ll see in table 1, thin, flexible batteries are enabling next-generation products.

 


Table1: Battery use cases.


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