Researchers at the University of British Columbia have created what could be a big deal for the future of wearable devices.
A PhD student, a postdoctoral fellow and an electrical and computer engineering professor at UBC recently released details of their new flexible, wearable battery. Unlike normal batteries, which use internal layers encased in a rigid exterior, the UBC team made the key compounds—in this case, zinc and manganese dioxide—stretchable by grinding them into small pieces and then embedding them in a rubbery plastic.
The battery is made from several ultra-thin layers of these polymers wrapped inside a casing of the same polymer. This construction creates an airtight, waterproof seal that ensures the integrity of the battery through repeated use. The researchers also found the battery works even when twisted or stretched to twice its normal length, or after being tossed in the laundry.
“Wearable electronics are a big market and stretchable batteries are essential to their development,” says team member Dr. Ngoc Tan Nguyen. “However, up until now, stretchable batteries have not been washable. This is a critical addition if they are to withstand the demands of everyday use.”
Researchers at the University of British Columbia have created what could be the first battery that is both flexible and washable | Photo: Kai Jacobson/UBC
It was team member Bahar Iranpour who suggested throwing the battery in the wash to test its seal. So far, the battery has withstood...
Read Full Story: https://biv.com/article/2021/12/ubc-scientists-create-flexible-wearable-battery
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