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Next-generation solar cells could soon harvest indoor light for battery-free devices

An international team led by UCL researchers has developed durable new solar cells capable of efficiently harvesting energy from indoor light, meaning that devices such as keyboards, remote controls, ... read more

Sungrow unveils modular inverter, battery energy storage systems

The company introduced a 4.8 MW modular inverter, a utility-scale battery energy storage system and a commercial and industrial scale battery energy storage system at the RE+ trade show in Las Vegas, ... read more

A Solar-Only, Battery-Free Device That Harvests Energy From A BPW34 Photodiode

Normally when you think solar projects, you think of big photovoltaic cells. But a photodiode is just an inefficient, and usually much smaller, PV cell. Since [Pocket Concepts]’s Solar_nRF has such a ... read more

Your household gadgets could soon be battery-free — scientists create tiny solar cells that can be powered by indoor light

An array of personal and home devices could one day function battery-free following the development of pioneering new solar technology. These new solar cells are capable of harvesting energy from ... read more

Rust-based battery connects to an electricity grid for the first time

An iron-air battery that stores and releases energy through a reversible rusting process has become the first of its kind to connect with a public electricity grid. On 30 July, the Dutch start-up Ore ... read more