The case for aqueous zinc-ion batteries

Scientists in Germany have identified the main challenges that are preventing aqueous zinc-ion batteries (ZIBs) from becoming a mainstream storage technology for power grid applications. According to their analysis, the two main hurdles that must be overcome in future research are the increase of the specific energy of the full Zn-ion cell and the prevention of the parasitic hydrogen evolution reaction occurring during the Zn electrodeposition step.Among the different materials and battery chemistries under investigation to fulfill the world's growing need for energy storage in various applications, ...

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