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US 10,566,669 B2Granted
Lithium oxygen batteries having a carbon cloth current collector and method of producing same
AssigneeJohnson IP Holding, LLC
InventorLonnie G. Johnson
Life of this patent
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Abstract
A lithium oxygen or air battery (80) is disclosed having two halves (81) that are joined together along their edges. Each battery half (81) has a carbon cloth or mesh cathode current collector (82), a cathode (83), a cathode terminal (84), an anode (85), an anode current collector, anode terminal (88) and a solid separator (87). The cathode includes randomly distributed carbon fibers throughout. The manufacturing of the cathode includes embedding a carbon cloth between two layers of cathode material in a slurry state.
Claims14
A lithium oxygen battery comprising:
- a porous oxygen cathode comprising a catalyst, carbon powder, randomly distributed carbon fibers through said porous oxygen cathode, and a cathode current collector comprising a carbon cloth material encased in the cathode;
- a lithium based electrolyte distributed through said cathode;
- a lithium based anode, and
- a separator positioned between said cathode and said anode,
- wherein the porous cathode has a dual porosity network configuration comprising a network of large pores having a diameter size ranging between 1 to 10 microns from which extends a network of small pores having a diameter size of 100 nanometers or less in diameter.
2 more elements
A lithium oxygen battery comprising:
- a porous oxygen cathode comprising a catalyst, carbon powder, randomly distributed carbon fibers through said porous oxygen cathode, and a cathode current collector comprising a carbon cloth material embedded in the cathode;
- a lithium based electrolyte distributed through said cathode;
- a lithium based anode, and
- a separator positioned between said cathode and said anode,
- wherein the porous cathode has a dual porosity network configuration comprising a network of large pores having a diameter size ranging between 1 to 10 microns from which extends a network of small pores having a diameter size of 100 nanometers or less in diameter.
2 more elements
Dependencies are inferred from the claim text.