Future smart homes could be powered with electronics built on stones

Stone microenergy devices could provide high-performance, customizable and conveniently accessible power from natural building materials

13-Jul-2022 - What if you could power the smart thermostats, speakers and lights in your home with a kitchen countertop? Stones, such as marble and granite, are natural, eco-friendly materials that many people building or renovating houses already use. Now, in a step toward integrating energy storage with ...

Eco-friendly micro-supercapacitors using fallen leaves​

Femtosecond micro-supercapacitors on a single leaf could easily be applied to wearable electronics, smart houses, and IoTs

03-Feb-2022 - A KAIST research team has developed a graphene-inorganic-hybrid micro-supercapacitor made of leaves using femtosecond direct laser writing lithography. The advancement of wearable electronic devices is synonymous with innovations in flexible energy storage devices. Of the various energy storage ...

Development of attachable sticker-type rechargeable batteries

15-Apr-2020 - Dr. Yoon Hana at Energy Conversion & Storage Materials Laboratory of Korea Institute of Energy Research (KIER, President Kim Jong-nam), Professor Kim Young-Jin (Dept. of Mechanical Engineering, Korea Advanced Institute of Science and Technology) and Professor Kim Seungchul (Dept. of Optics and ...

A micro-supercapacitor with unmatched energy storage performance

02-Oct-2015 - A micro-supercapacitor made using a new electrode reached an energy density 1,000 times greater than existing electrochemical capacitors. With such a performance, comparable to current Li-ion micro-batteries, this energy storage device is a legitimate option for a range of applications from ...