You can t just throw together a solar cell harvesting ic and rechargeable battery and say done perhaps you need a more complicated circuit with a supercapacitor for example.
Energy harvesting solar panels.
Photovoltaic solar cells provide the most common alternative energy.
Photovoltaic pv solar panels use the sun s power to create a flow of electricity.
Energy harvesting also known as power harvesting or energy scavenging or ambient power is the process by which energy is derived from external sources e g solar power thermal energy wind energy salinity gradients and kinetic energy also known as ambient energy captured and stored for small wireless autonomous devices like those used in wearable electronics and wireless sensor networks.
Power management products that convert energy from vibration piezoelectric photovoltaic solar and thermal tec teg thermopiles thermocouples sources provide high efficiency conversion to regulated voltages or to charge batteries and super capacit.
This is the most widely adopted method of harvesting solar energy today.
Analog devices offers a wide range of ultra low power ics for energy harvesting applications.
Using solar powered energy harvesting as a power source that needs to last for many years needs careful thoughtful design component selection and fabrication.
More experimental photovoltaic panels like concentrating solar panels can convert 40 of incident solar energy into electricity.
One way of measuring the efficiency of solar panels is to calculate the percentage of the solar energy that a panel converts into electricity.