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The Guardian - AU
The Guardian - AU
National
Royce Kurmelovs

Greener ‘water batteries’ a step closer thanks to breakthrough by Melbourne researchers

RMIT Melbourne RMIT University
A water battery developed by researchers at RMIT in Melbourne.
A water battery developed by researchers at RMIT in Melbourne. Photograph: Carelle Mulawa-Richards/RMIT University

An RMIT-led research team has come up with an innovative way to make greener, safer, recyclable “water batteries” that could replace common lead-acid batteries.

There are three key components that make up a battery: a cathode, an anode and an electrolyte. In common lithium-ion or lead-acid batteries, the electrolyte is a liquid chemical solution that, once inserted, cannot be easily recovered.

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