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Beads of microplastic from a cosmetic facial scrub

Technology

Microplastics can be recycled to make electrodes for lithium batteries

The polyethylene microplastic pollution commonly found in wastewater can be extracted to create electrodes for lithium-ion batteries

Electric car charging

Technology

Car batteries with tiny heaters could charge in just 11 minutes

Seaweed washed up on a beach

Chemistry

Battery made using seaweed still works after charging 1000 times

Aluminium-sulphur battery

Technology

Fire-resistant aluminium-sulphur battery charges in under a minute

Photograph of a stencil-printed two-cell paper battery with a design that spells the name of the authors' research institution (Empa). The battery is running a liquid crystal display alarm clock. Credit: Alexandre Poulin.

Technology

Disposable paper battery is activated by a drop of tap water

Lithium batteries

Chemistry

Tracing lithium’s atomic signature could help make ethical batteries

Lithium-ion batteries

Technology

Gel-coated battery could stop mobile phones catching fire or exploding

Phone low on charge

Technology

Batteries built with bumpy components work better in the freezing cold

Liquid

Technology

Device that stores liquid sunshine could one day power your phone