Composite electrode for aqueous rechargeable zinc ion batteries
AssigneeWisconsin Alumni Research Foundation
InventorsXudong Wang, Qiang Pang, Yingjin Wei
Life of this patent
Estimating the term…
Abstract
An aqueous rechargeable zinc ion battery is provided, the battery comprising a cathode comprising a V3O7.H2O-graphene composite, the composite comprising a plurality of V3O7.H2O nanostructures in contact with graphene, an anode in electrical communication with the cathode, the anode comprising zinc, and an aqueous electrolyte between the cathode and the anode, the aqueous electrolyte comprising zinc ions and an ether of a type and at an amount selected to maximize a capacity retention value of the battery.
Claims16
An aqueous rechargeable zinc ion battery comprising:
- a cathode comprising a V3O7.H2O-graphene composite, the composite comprising a plurality of V3O7.H2O nanostructures in contact with graphene,
- an anode in electrical communication with the cathode, the anode comprising zinc, and
- an aqueous electrolyte between the cathode and the anode, the aqueous electrolyte comprising zinc ions and an ether of a type and providing a total amount of ether in the aqueous electrolyte, the type and the total amount selected to maximize a capacity retention value of the battery wherein the total amount of ether is in a range from 1 vol. % to 5 vol. %.
An aqueous rechargeable zinc ion battery comprising:
- a cathode comprising a V3O7.H2O-graphene composite, the composite comprising a plurality of V3O7.H2O nanowires in contact with graphene,
- an anode in electrical communication with the cathode, the anode comprising zinc, and
- an aqueous electrolyte between the cathode and the anode, the aqueous electrolyte comprising zinc ions and an ether providing a total amount of ether in the aqueous electrolyte in a range of from 1 vol. % to 5 vol. %.
Dependencies are inferred from the claim text.