IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
UP-0978617
(2004-10-29)
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| 등록번호 |
US-7563541
(2009-07-29)
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|
발명자
/ 주소 |
- Howard, William G.
- Schmidt, Craig L.
- Scott, Erik R.
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| 출원인 / 주소 |
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| 대리인 / 주소 |
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| 인용정보 |
피인용 횟수 :
38 인용 특허 :
99 |
초록
▼
A battery includes a positive electrode including a current collector and a first active material and a negative electrode including a current collector, a second active material, and a third active material. The first active material, second active material, and third active material are configure
A battery includes a positive electrode including a current collector and a first active material and a negative electrode including a current collector, a second active material, and a third active material. The first active material, second active material, and third active material are configured to allow doping and undoping of lithium ions. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.
대표청구항
▼
What is claimed is: 1. A lithium-ion battery comprising: a positive current collector; a negative current collector; an active material provided on the positive current collector; an active material layer provided on the negative current collector, the active material layer comprising a primary act
What is claimed is: 1. A lithium-ion battery comprising: a positive current collector; a negative current collector; an active material provided on the positive current collector; an active material layer provided on the negative current collector, the active material layer comprising a primary active material and a secondary active material, the secondary active material exhibiting charge and discharge capacity below a corrosion potential of the negative current collector, wherein the secondary active material does not include lithium in the as-constructed state, and a mass of lithium provided in electrical contact with a portion of the negative current collector; wherein the zero voltage crossing potential of the battery is below the corrosion potential of the negative current collector and above the decomposition potential of the active material layer provided on the positive current collector. 2. The lithium-ion battery of claim 1, wherein the mass of lithium provides a lithium capacity sufficient to at least compensate for irreversible loss of capacity of the battery. 3. The lithium-ion battery of claim 2, wherein the mass of lithium provides a lithium capacity equal to the sum of the irreversible loss of capacity of the battery and the capacity of the secondary active material. 4. The lithium-ion battery of claim 3, wherein the mass of lithium is provided as a lithium patch. 5. The lithium-ion battery of claim 3, wherein the mass of lithium is provided as powdered lithium. 6. The lithium-ion battery of claim 1, wherein the active material provided on the positive current collector comprises LiCoO2. 7. The lithium-ion battery of claim 6, wherein the primary active material comprises a carbonaceous material. 8. The lithium-ion battery of claim 7, wherein the secondary active material comprises V6O13. 9. The lithium-ion battery of claim 7, wherein the secondary active material comprises a material selected from the group consisting of V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 10. The lithium-ion battery of claim 6, wherein the primary active material comprises Li4Ti5O12. 11. The lithium-ion battery of claim 10, wherein the secondary active material comprises V6O13. 12. The lithium-ion battery of claim 10, wherein the secondary active material comprises a material selected from the group consisting of V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 13. The lithium-ion battery of claim 1, wherein the active material provided on the positive current collector comprises a material having the form LiCoxNi(1-x)O2, where x is between approximately 0.05 and 0.8. 14. The lithium-ion battery of claim 13, wherein the primary active material comprises a carbonaceous material. 15. The lithium-ion battery of claim 14, wherein the secondary active material comprises V6O13. 16. The lithium-ion battery of claim 14, wherein the secondary active material comprises a material selected from the group consisting of V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 17. The lithium-ion battery of claim 13, wherein the primary active material comprises a lithium titanate material. 18. The lithium-ion battery of claim 17, wherein the secondary active material comprises V6O13. 19. The lithium-ion battery of claim 17, wherein the secondary active material comprises a material selected from the group consisting of V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 20. The lithium-ion battery of claim 1, wherein the lithium-ion battery has a capacity between approximately 10 mAh and 1000 mAh. 21. The lithium-ion battery of claim 1, wherein the lithium-ion battery has a capacity of approximately 75 mAh. 22. The lithium-ion battery of claim 1, wherein the lithium-ion battery has a capacity of approximately 300 mAh. 23. A lithium-ion battery comprising: a positive current collector; a negative current collector; an active material provided on the positive current collector; an active material layer provided on the negative current collector, the active material layer comprising a primary active material and a secondary active material, the secondary active material exhibiting charge and discharge capacity below a corrosion potential of the negative current collector, wherein the secondary active material does not include lithium in the as-constructed state, and a mass of lithium provided in electrical contact with a portion of the negative current collector, wherein the mass of lithium comprises at least one of a lithium patch and powdered lithium. 24. The lithium-ion battery of claim 23, wherein the mass of lithium is provided as a lithium patch. 25. The lithium-ion battery of claim 23, wherein the mass of lithium is provided as powdered lithium. 26. The lithium-ion battery of claim 23, wherein the mass of lithium provides a lithium capacity sufficient to at least compensate for irreversible loss of capacity of the battery. 27. The lithium-ion battery of claim 26, wherein the mass of lithium provides a lithium capacity equal to the sum of the irreversible loss of capacity of the battery and the capacity of the secondary active material. 28. The lithium-ion battery of claim 23, wherein the active material provided on the positive current collector comprises a material selected from the group consisting of LiCoO2 and LiCoxNi(1-x)O2, where x is between approximately 0.05 and 0.8. 29. The lithium-ion battery of claim 23, wherein the secondary active material comprises a material selected from the group consisting of V6O13, V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 30. The lithium-ion battery of claim 29, wherein the secondary active material comprises V6O13. 31. The lithium-ion battery of claim 29, wherein the primary active material comprises a carbonaceous material. 32. The lithium-ion battery of claim 29, wherein the primary active material comprises a lithium titanate material. 33. The lithium-ion battery of claim 23, wherein the lithium-ion battery has a capacity between approximately 10 mAh and 1000 mAh. 34. A lithium-ion battery comprising: a positive current collector; a negative current collector; an active material provided on the positive current collector; an active material layer provided on the negative current collector, the active material layer comprising a primary active material and a secondary active material, the primary active material comprising Li4Ti5O12 and the secondary active material exhibiting charge and discharge capacity below a corrosion potential of the negative current collector, wherein the secondary active material does not include lithium in the as-constructed state, and a mass of lithium provided in electrical contact with a portion of the negative current collector. 35. The lithium-ion battery of claim 34, wherein the mass of lithium is provided as a lithium patch. 36. The lithium-ion battery of claim 34, wherein the mass of lithium is provided as powdered lithium. 37. The lithium-ion battery of claim 34, wherein the secondary active material comprises a material selected from the group consisting of V6O13, V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 38. The lithium-ion battery of claim 37, wherein the secondary active material comprises V6O13. 39. The lithium-ion battery of claim 37, wherein the secondary active material comprises a material selected from the group consisting of V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 40. The lithium-ion battery of claim 37, wherein the active material provided on the positive current collector comprises LiCoO2. 41. The lithium-ion battery of claim 37, wherein the active material provided on the positive current collector comprises a material having the form LiCoxNi(1-x)O2, where x is between approximately 0.05 and 0.8. 42. The lithium-ion battery of claim 34, wherein the lithium-ion battery has a capacity between approximately 10 mAh and 1000 mAh. 43. A lithium-ion battery comprising: a positive current collector; a negative current collector; an active material provided on the positive current collector; an active material layer provided on the negative current collector, the active material layer comprising a primary active material and a secondary active material, the primary active material comprising Li4Ti5O12 and the secondary active material exhibiting charge and discharge capacity below a corrosion potential of the negative current collector, wherein the secondary active material does not include lithium in the as-constructed state and comprises a material selected from the group consisting of V6O13, V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof; and a mass of lithium provided in electrical contact with a portion of the negative current collector. 44. The lithium-ion battery of claim 43, wherein the mass of lithium is provided as a lithium patch. 45. The lithium-ion battery of claim 43, wherein the mass of lithium is provided as powdered lithium. 46. The lithium-ion battery of claim 43, wherein the secondary active material comprises V6O13. 47. The lithium-ion battery of claim 43, wherein the secondary active material comprises a material selected from the group consisting of V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof. 48. The lithium-ion battery of claim 47, wherein the active material provided on the positive current collector comprises LiCoO2. 49. The lithium-ion battery of claim 47, wherein the active material provided on the positive current collector comprises a material having the form LiCoxNi(1-x)O2, where x is between approximately 0.05 and 0.8. 50. The lithium-ion battery of claim 43, wherein the lithium-ion battery has a capacity between approximately 10 mAh and 1000 mAh.
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