Green Energy Scavenging for Powering Mobile Phones

Egypt Mobile phones have become effective devices for a variety of everyday tasks, but while running large-scale multimedia tasks and the applications such as video games require regular charging of the battery, So significant important technological advances are being made in energy harvesting technology to extend battery life. Ambient energy sources are classified as energy tanks, energy distribution methods, or energy harvesting methods, which may enable portable or wireless systems to be completely battery-independent and self-sustaining. This study provides a comprehensive survey of environmentally friendly energy harvesting methods such as radio frequency (RF), solar energy, and provides a summary of electronic circuits utilized in this field alongside various power sources which are compared concerning voltage and harvested power.