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batteries

Seaweed washed up on a beach

Chemistry

Battery made using seaweed still works after charging 1000 times

A battery whose critical components can be harvested from seaweed could one day help replace lithium batteries, which rely on mining rare materials

News

Aluminium-sulphur battery

Technology

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

News

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

News

Lithium batteries

Chemistry

Tracing lithium's atomic signature could help make ethical batteries

News

Lithium-ion batteries

Technology

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

News

Phone low on charge

Technology

Batteries built with bumpy components work better in the freezing cold

News

Liquid

Technology

Device that stores liquid sunshine could one day power your phone

no-section

How to make sustainable batteries that won't wreck the planet

Technology

How to make sustainable batteries that won't wreck the planet

Features

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