Rechargeable battery with hybrid cathode comprising conversion and intercalation active materials
AssigneeInternational Business Machines Corporation
InventorsYoung-Hye Na, Maxwell Giammona, Tsubasa Itakura, Saori Itabashi, Rei Tsukazaki, Katsutoshi Suzuki, Kazunari Takeda
Life of this patent
Estimating the term…
Abstract
A rechargeable battery is disclosed. The rechargeable battery includes an anode, a cathode including a lithium-ion intercalation host, and an electrolyte including a solvent and a halogen-containing compounding that functions as an active cathode conversion material, wherein the electrolyte is in contact with the anode and the cathode.
Claims22
A rechargeable battery, comprising:
- an anode;
- a cathode current collector, the cathode current collector including an electrically conductive porous material;
- a cathode contacting the cathode current collector, wherein the cathode includes a lithium-ion intercalation host that utilizes a lithium-ion intercalation mechanism of energy storage;
- and
- an electrolyte, wherein the electrolyte includes a solvent and a first halogen-containing active cathode conversion material that utilizes a chemical conversion mechanism of energy storage, and further wherein the electrolyte is in contact with the anode and the cathode.
A rechargeable battery, comprising:
- an anode;
- a cathode current collector, the cathode current collector including an electrically conductive porous material;
- a cathode contacting the cathode current collector, wherein the cathode includes a lithium iron phosphate intercalation host that utilizes a lithium-ion intercalation mechanism of energy storage;
- and
- an electrolyte, wherein the electrolyte includes a solvent and a lithium iodide active conversion material that utilizes a chemical conversion mechanism of energy storage, and further wherein the electrolyte is in contact with the anode and the cathode.
A method of forming a rechargeable battery, comprising:
- coating a slurry including a lithium containing intercalation material that utilizes a lithium-ion intercalation mechanism of energy storage onto a cathode current collector, the cathode current collector including an electrically conductive porous material;
- dissolving at least one of a first metal halide or halogen active cathode conversion material that utilizes a chemical conversion mechanism of energy storage into a solvent to form an electrolyte;
- and
- stacking an anode, a separator, and the cathode current collector coated with the slurry to form the rechargeable battery, wherein the rechargeable battery includes:
- the anode;
- the electrolyte, wherein the electrolyte includes at least one of the first metal halide or halogen active cathode conversion material;
- the separator;
- and
- the cathode current collector coated with the slurry.
A method of forming a rechargeable battery, comprising:
- coating a slurry including a lithium iron phosphate cathode intercalation material that utilizes a lithium-ion intercalation mechanism of energy storage onto a cathode current collector, the cathode current collector including an electrically conductive porous material;
- dissolving a lithium iodide active cathode conversion material that utilizes a chemical conversion mechanism of energy storage in a solvent to form an electrolyte;
- and
- stacking an anode, a separator, and the cathode current collector coated with the slurry to form the rechargeable battery, wherein the rechargeable battery includes:
- the anode;
- the electrolyte;
- the separator;
- and
- the cathode current collector coated with the slurry.
Dependencies are inferred from the claim text.