Rechargeable aqueous hybrid battery
AssigneeToyota Motor Engineering & Manufacturing North America, Inc.
InventorsRuidong Yang, Kensuke Takechi, Koji Suto
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Abstract
A zinc ion hybrid battery is provided. The battery contains an anode capable of intercalation and de-intercalation of zinc ions, a cathode having a 4V active material capable of intercalation and de-intercalation of zinc ions, lithium ions and both zinc and lithium ions; and an aqueous electrolyte which comprises: water, and a zinc salt of an anion comprising a fluoroalkylsulfonyl group of formula (I): R—SO2- (I) wherein R is a perfluoroalkyl group of 1-5 carbons.
Claims14
A single compartment zinc ion hybrid battery, comprising:
- an anode that intercalates and de-intercalates zinc ions;
- a cathode having a 4V active material that intercalates and de-intercalates zinc and lithium ions;
- and
- an aqueous electrolyte which comprises:
- water;
- and
- a zinc salt having an anion comprising a fluoroalkylsulfonyl group of formula (I):
- R—SO2— (I)
- wherein R is a perfluoroalkyl group of 1-5 carbons;
- wherein the 4V cathode active material is stable to the aqueous electrolyte and comprises at least one material selected from the group consisting of LiMn2O4, LiCoO2, LiFe2(PO4), LiMn1/3Ni1/3Co1/3O2, LiNi0.5Mn1.5O4, LiCoPO4, 2,2,6,6-tetra-methylpiperidine 1-oxyl (TEMPO) and 4-methoxy-2,2,6,6-tetra-methylpiperidine 1-oxyl (MeO-TEMPO), and
- wherein no physical barrier separates the aqueous electrolyte contacting the cathode from the aqueous electrolyte contacting the anode.
A two-compartment zinc ion hybrid battery, comprising:
- an anode compartment comprising an anode that intercalates and de-intercalates zinc ions and an anolyte which comprises:
- water;
- and
- a zinc salt having an anion comprising a fluoroalkylsulfonyl group of formula (I):
- R—SO2— (I)
- wherein R is a perfluoroalkyl group of 1-5 carbons;
- a cathode compartment comprising a cathode having a 4V active material which can intercalate and de-intercalate zinc ions, lithium ions or both zinc and lithium ions;
- and
- a catholyte comprising zinc ions and lithium ions;
- and
- a solid electrolyte permeable to lithium ions;
- wherein
- the 4V cathode active material is stable to the catholyte and comprises at least one material selected from the group consisting of LiMn2O4, LiCoO2, LiFe2(PO4), LiMn1/3Ni1/3Co1/3O2, LiNi0.5Mn1.5O4, LiCoPO4, 2,2,6,6-tetra-methypiperidine 1-oxyl (TEMPO) and 4-methoxy-2,2,6,6-tetra-methypiperidine 1-oxyl (MeO-TEMPO), and
- the solid electrolyte prevents the crossover of the anolyte and the catholyte.
Dependencies are inferred from the claim text.