Finnish companies Polar Night Energy and Vatajankoski have built the world's first operational "sand battery", which provides a low-cost and low-emissions way to store renewable energy. More
Researchers from Chalmers University of Technology in Sweden have claimed a "big breakthrough" in the development of a battery that can function structurally as well as a power source. More
IBM has developed a new type of battery that's free of cobalt, nickel and other heavy metals, avoiding the environmental and humanitarian issues related to lithium-ion technology. More
Japanese studio Nendo has designed a mobile battery that users can charge by rotating, to power-up their smartphone in case of emergencies. More
IKEA is expanding its solar panel offering with a battery-storage solution, which it claims could help homeowners cut their electricity bills by 70 per cent. More
Tesla founder Elon Musk has launched two batteries designed to power homes and businesses in an attempt to reduce the world's reliance on fossil fuels for generating electricity. More
