An Aqueous Rechargeable Zn//Co3 O4 Battery with High Energy Density and Good Cycling Behavior.
basic_science · Level V
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- Record sourced from PubMed, PMID 27120391.
- Also identified by DOI 10.1002/adma.201505370.
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Abstract
An aqueous rechargeable Zn//Co3 O4 battery is demonstrated with Zn@carbon fibers and Co3 O4 @Ni foam as the negative and positive electrodes, respectively, using an electrolyte of 1 m KOH and 10 × 10(-3) m Zn(Ac)2 . It can operate at a cell voltage as high as 1.78 V with an energy density of 241 W h kg(-1) and presents excellent cycling. The battery is also assembled into a flexible shape, which can be applied in flexible or wearable devices requiring high energy.