Scientists have created biodegradable batteries that can be buried in soil after use. The paper-thin biodegradable zinc batteries could one day become an environmentally sustainable option for powering smartphones and flexible wearable electronic devices. The NTU Singapore-developed zinc batteries are made up of electrodes (through which the electrical current leaves or enters the battery) screen-printed … Continue reading Scientists Create Biodegradable Batteries That Can Be Buried in Soil After Use