Singapore tech company Flint has announced production on a rechargeable "paper battery", which it claims will biodegrade at the end of its life cycle, at the Consumer Electronics Show in Las Vegas. More about Flint announces production of biodegradable "paper battery"
Designer Yves Béhar's studio Fuseproject has created a family of portable power stations with accompanying solar panels for US start-up Yoshino, utilising ultra-efficient solid-state batteries. More about Fuseproject designs "world's first" portable solid-state power station
Central Saint Martins graduate Luke Talbot has created a portable charger that can be hooked up to rental bikes to allow people experiencing homelessness to charge their phones for free. More about MyPowerbank hacks London's Santander bikes so homeless people can charge their phones
Tech company Fairphone has worked with Swedish design agency Above to produce the latest version of its ethical smartphone, with a focus on reducing the environmental and social impacts of battery metal mining. More about Fairphone 5 smartphone launches with "fairest battery yet"
Scientists at the Massachusetts Institute of Technology have developed a low-cost energy storage system that could be integrated into roads and building foundations to facilitate the renewable energy transition. More about MIT engineers create battery alternative using cement and carbon black
Cars will start to look dramatically different as electric vehicles become the norm but battery technology must first improve, designers tell Dezeen. More about How electric-vehicle technology is changing car design
University of Massachusetts Amherst researchers have invented a biofilm that sticks to the skin like a Band-Aid to harnesses sweat for electricity that could power wearable devices. More about Biofilm developed to power wearable electronics with sweat
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 about Finnish "sand battery" offers solution for renewable energy storage
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 about Swedish university develops lightweight structural battery using carbon fibre
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 about IBM proposes sustainable successor to lithium-ion battery
Japanese studio Nendo has designed a mobile battery that users can charge by rotating, to power-up their smartphone in case of emergencies. More about Nendo designs emergency portable battery that can be charged by rotating
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 about IKEA launches solar battery packs to rival Tesla's Powerwall
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 about Elon Musk launches Tesla batteries for the home in bid to cut fossil fuel usage