It is an often heard complaint from smartphone, tablet and laptop users. As your device gets older it seems that you can do less and less on a single charge.
Why do batteries die? And, why can they only be recharged so many times before they won’t hold a useful amount of charge? My young son asked me about that years ago when his battery-powered toy car stopped moving, wondering about what he called an “everlasting battery.” And this same question has probably crossed the mind of every cellphone user trying to send one last text before the screen blinks off.
The natural structure found within leaves could improve the performance of everything from rechargeable batteries to high-performance gas sensors, according to an international team of scientists. The researchers have designed a porous, such as the veins of a leaf, and could make energy transfers more efficient. The material could improve the performance of rechargeable batteries, optimizing the charge and discharge process and relieving stresses within the battery electrodes, which, at the moment, limit their life span. The same material could be used for high performance gas sensing or for catalysis to break down organic pollutants in water.