Editor's note

After Tesla’s storage project in South Australia was announced, large-scale batteries got a lot of attention. But smaller batteries that can power themselves over long periods are needed for commercial and research projects, from tracking flying foxes to shipping and logistics.

Researchers are working on sensor batteries that can collect energy from their environment, whether from the sun or even movement, meaning they don’t have to be manually recharged. Of course, this comes with ethical and environmental risks – do we want machines that can sustain themselves indefinitely?

Ariel Bogle

Editor

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Batteries that can last indefinitely are needed to track wildlife. Mamiraua Sustainable Development Institute

How to make batteries that last (almost) forever

Raja Jurdak, CSIRO; Brano Kusy, CSIRO

Batteries that can self-sustain are needed for long-term animal tracking as well as shipping and logistics.

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