Aspects of the present invention provide a high capacity electrochemical cell having an anode, a cathode, and a separator disposed between the anode and cathode. The cathode includes a mixture having a first component, a second component and a third component. The first component includes a first el
Aspects of the present invention provide a high capacity electrochemical cell having an anode, a cathode, and a separator disposed between the anode and cathode. The cathode includes a mixture having a first component, a second component and a third component. The first component includes a first element, the second component includes a second element, and the third component includes the first element and the second element. The mixture can, for instance, be a mixed metal oxide. The separator is configured to provide suitable ionic transport between the anode and the cathode.
대표청구항▼
We claim: 1. An electrochemical cell comprising: an anode; a cathode comprising a cathode active material, the cathode active material comprising a mixture, the mixture comprising a first metal oxide component, a second metal oxide component and a third metal oxide component, wherein the first, sec
We claim: 1. An electrochemical cell comprising: an anode; a cathode comprising a cathode active material, the cathode active material comprising a mixture, the mixture comprising a first metal oxide component, a second metal oxide component and a third metal oxide component, wherein the first, second and third metal oxide components are different, and further wherein the first metal oxide component consists of a first metallic element and oxygen, the second metal oxide component consists of a second metallic element different from the first metallic element and oxygen, and the third metal oxide component is a compound comprising the first metallic element manganese and the second metallic element; and a separator disposed between the anode and the cathode wherein the cathode active material displays a continuous discharge profile that is substantially at least 1.0V for the first 20% of cell discharge when discharged at a discharge rate of 30 mA in a half-cell test. 2. The electrochemical cell as recited in claim 1, wherein the second element is copper. 3. The electrochemical cell as recited in claim 2, wherein the copper content is greater than about 0.5% by weight of the mixture. 4. The electrochemical cell as recited in claim 1, wherein the third metal oxide component further comprises a third metallic element. 5. The electrochemical cell as recited in claim 1, wherein the third metal oxide component is a compound identified by MxCuyOz, and: M is a metallic element Mn capable of producing mixed metal oxide compounds or complexes, and x≦20, y≦20, and z≦100. 6. The electrochemical cell as recited in claim 1, wherein the ratio of the first metal oxide component to the second metal oxide component is greater than about 1:100. 7. The electrochemical cell as recited in claim 6, wherein the ratio of the first metal oxide component to the second metal oxide component is greater than about 1:20. 8. The electrochemical cell as recited in claim 5, wherein MxCuyOz has the formula where x is substantially equal to 3−y and z=4. 9. The electrochemical cell as recited in claim 5, wherein MxCuyOz has the formula where x is substantially equal to 2−y and z=2. 10. The electrochemical cell as recited in claim 5, wherein MxCuyOz has a spinel type of crystal structure. 11. The electrochemical cell as recited in claim 5, wherein MxCuyOz has a tenorite type of crystal structure. 12. The electrochemical cell as recited in claim 5, wherein the third metal oxide component further comprises an additional metal A, the third component having the formula AwMxCuyOz, wherein w≦20. 13. The electrochemical cell as recited in claim 12, wherein the additional metal is selected from the group consisting of Li, Na, K, Rb, Cs, Ca, Mg, Sr, Ni and Ba. 14. The electrochemical cell as recited in claim 5, wherein the third metal oxide component is amorphous. 15. The electrochemical cell as recited in claim 5, wherein the third metal oxide component is at least partially crystalline. 16. The electrochemical cell as recited in claim 1, wherein the first metal oxide component consisting of a manganese oxide. 17. The electrochemical cell as recited in claim 16, wherein the manganese oxide consisting of manganese dioxide. 18. The electrochemical cell as recited in claim 1, wherein the second component consisting of an oxide of copper. 19. The electrochemical cell as recited in claim 18, wherein the oxide of copper comprises cupric oxide. 20. The electrochemical cell as recited in claim 1, wherein the cathode achieves a discharge capacity of at least 220 mAh/g at 5 mA constant current to a 1.0V end point in a half-cell test. 21. The electrochemical cell as recited in claim 1, wherein the cathode achieves a discharge capacity of at least 180 mAh/g at 30 mA constant current to a 1.0V end point in a half-cell test. 22. The electrochemical cell as recited in claim 1, wherein the separator comprises a film, the separator being configured to effectively limit the migration of anode fouling soluble species. 23. The electrochemical cell as recited in claim 22, wherein substantially all fluid communication between the anode and the cathode occurs through the separator. 24. The electrochemical cell as recited in claim 1, wherein the mixture comprising the cathode active material has a BET surface area between 1 m2/g and 200 m2/g. 25. The electrochemical cell as recited in claim 1, wherein the cathode further comprises a conductive additive present in an amount between 3% and 8.5% by weight of the cathode. 26. The electrochemical cell as recited in claim 25, wherein the conductive additive is selected from the group consisting of a graphitic carbon and a carbon black. 27. The electrochemical cell as recited in claim 26, wherein the graphitic carbon comprises at least one of natural, synthetic or expanded graphite. 28. The electrochemical cell as recited in claim 26, wherein the carbon black comprises an acetylene black present in an amount within a range having a lower end of 0.2% and an upper end of 2% by weight relative to the total cathode. 29. The electrochemical cell as recited in claim 1, wherein the mixture has a particle size distribution between 0.1 microns and 200 microns. 30. The electrochemical cell as recited in claim 1, wherein the mixture is further combined with at least one of a copper oxide, a manganese oxide, a silver oxide, and a nickel oxide to produce an active material combination. 31. The electrochemical cell as recited in claim 30, wherein the manganese oxide is selected from the group consisting of EMD, NMD, and CMD. 32. The electrochemical cell as recited in claim 30, wherein the copper oxide is cupric oxide. 33. The electrochemical cell as recited in claim 30, wherein the mixture is present in the combination in a range having a lower end of 1% and an upper end of 99%, by weight, of the combination. 34. The electrochemical cell as recited in claim 33, wherein the lower end is 1% and the upper end is 70%. 35. The electrochemical cell as recited in claim 25, wherein the additive has a particle size substantially similar to the particle size of the mixture. 36. The electrochemical cell as recited in claim 31, further comprising an alkaline electrolyte. 37. The electrochemical cell of claim 36, wherein the alkaline electrolyte is present in an amount such that the cell includes a water/MnO2 molar ratio greater than about 1.3. 38. The electrochemical cell as recited in claim 1, wherein the cathode has a density in a range defined at its lower end by 3.0 gm/cc and its upper end by 4.2 gm/cc. 39. The electrochemical cell as recited in claim 1, wherein the anode capacity to cell internal volume ratio is between 0.55 Ah/cc and 0.9 Ah/cc. 40. An electrochemical cell comprising: an anode; a cathode comprising a cathode active material, the cathode active material comprising a mixture of three different metal oxide components, wherein the components are selected from an oxide consisting of manganese and oxygen, an oxide consisting of copper and oxygen, and a component identified by the formula MnxCuyOz; and a separator disposed between the anode and the cathode wherein (i) y has a positive value that is less than 3, x=3−y, and z=4, (ii) y has a positive value that is less than 2, x=2−y, and z=2, or (iii) 1≦x≦5,1≦y≦5, and 1≦z≦20; and wherein the cathode active material displays a continuous discharge profile that is substantially at least 1.0V for the first 20% of cell discharge when discharged at a discharge rate of 30 mA in a half-cell test. 41. The electrochemical cell as recited in claim 40, wherein the mixture is combined with at least one of a manganese oxide, a silver oxide, a copper oxide and a nickel oxide to produce an active material combination. 42. The electrochemical cell as recited in claim 41, wherein the manganese oxide is selected from the group consisting of EMD, NMD, and CMD. 43. The electrochemical cell as recited in claim 42, wherein the mixture is present in the active material combination in an amount ranging between 1% and 99%, by weight, of the active material combination. 44. The electrochemical cell as recited in claim 42, wherein the mixture is present in the active material combination in an amount ranging between 1% and 70%. 45. The electrochemical cell as recited in claim 42, the cell further comprises an alkaline electrolyte. 46. The electrochemical cell of claim 45, wherein the alkaline electrolyte is present in an amount such that the cell includes a water/MnO2 molar ratio of at least 1.4.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (153)
von Krusenstierna Otto (Taby SW), Accumulator battery apparatus and method.
Hsu Li-Chen (Westlake OH) Philipp Warren H. (N. Olmsted OH) Sheibley Dean W. (Sandusky OH) Gonzalez-Sanabria Olga D. (N. Olmsted OH), Alkaline battery containing a separator of a cross-linked copolymer of vinyl alcohol and unsaturated carboxylic acid.
Newman Gerald H. (Weymouth MA) Kelsey G. Stephen (Nashua NH) Magnuson Douglas C. (Westboro MA) Patel Bhupendra K. (Mansfield MA) Woodnorth Douglas J. (Needham MA) Miller John S. (Sudbury MA) Kasianow, Alkaline cell.
Wang, Francis P.; Rozelle, James; Xue, J. Simon; Anglin, David; Scheglov, Alexander; Drennan, Joseph, Alkaline cell with improved cathode including copper hydroxide and a sulfur additive.
Takeuchi Esther S. (East Amherst NY) Pyszczek Michael F. (LeRoy NY), Aqueous blended electrode material for use in electrochemical cells and method of manufacture.
Stuart M. Davis ; Qingqi Huang ; John S. Miller, Battery cathode including a mixture of manganese dioxide with carbon particles of expanded and non-expanded graphite.
O\Nan Thomas Charles (White Plains NY) Ciliberti Frank L. (Ossining NY), Battery with an agent for converting hydrogen to water and a second agent for retaining formed water.
Frysz Christine A. ; Frustaci Dominick J. ; Probst Joseph M. ; Thiebolt ; III William C. ; Paulot William M., Chemically machined current collector design.
Fetcenko Michael A. ; Fierro Christian ; Ovshinsky Stanford R. ; Sommers Beth ; Reichman Benjamin ; Young Kwo ; Mays William, Composite positive electrode material and method for making same.
Hsu Li-Chen (Westlake OH) Sheibley Dean W. (Sandusky OH) Philipp Warren H. (North Olmsted OH), Cross-linked polyvinyl alcohol and method of making same.
Gan, Hong; Takeuchi, Esther S., Double current collector cathode design for alkali metal electrochemical cells having short circuit safety characteristics.
Gan, Hong; Takeuchi, Esther S., Double current collector cathode design using mixtures of two active materials for alkali metal or ion electrochemical cells.
Takeuchi Esther S. (East Amherst NY) Smesko Sally Ann (North Tonawanda NY), Electrochemical cell having a cathode comprising differing active formulations and method.
Boer Frank Peter (Village of Golf FL) Idol ; Jr. James Daniel (Worthington OH) Shah Ketan Vasantlal (Bear DE) Vu Cung (Columbia MD), Flexible electrode, product and process of forming same.
Reichert Samuel Firestone ; Chang Bernice Shou-Hua ; Keough Kevin ; Harvey Andrew C. ; Kovar Robert Francis ; Tiano Thomas M., Formed in situ separator for a battery.
Reichert, Samuel Firestone; Chang, Bernice Shou-Hua; Keough, Kevin; Harvey, Andrew C.; Kovar, Robert Francis; Tiano, Thomas M., Formed in situ separator for a battery.
Langer Alois (Pittsburgh PA) Scala Luciano C. (Murrysville PA) Ruffing Charles R. (Edgewood PA), Heat resistant substrates and battery separators made therefrom.
Philipp Warren H. (North Olmsted OH) Hsu Li-Chen (Cleveland OH) Sheibley Dean W. (Sandusky OH), In situ self cross-linking of polyvinyl alcohol battery separators.
Langan Richard Allen (Parma OH) Smilanich Nicholas Joseph (Rocky River OH) Kozawa Akiya (Middleburg Heights OH), Metal oxide cells having low internal impedance.
Liang Charles C. (Clarence NY) Bolster M. Elizabeth (East Amherst NY) Murphy Robert M. (Lancaster NY), Metal oxide composite cathode material for high energy density batteries.
Watanabe Tsutomu (Itami JPX) Ota Toshiaki (Narashino JPX) Nakano Tsuyoshi (Tokyo JPX), Method for manufacturing color filter by electrodeposition and electrode used therefor.
Gan Hong ; Takeuchi Esther S., Method for reducing voltage delay in alkali metal electrochemical cells activated with a nonaqueous electrolyte having a phosphate additive.
Philipp Warren H. (North Olmsted OH) May Charles E. (Rocky River OH) Hsu Li-Chen (Westlake OH) Sheibley Dean W. (Sandusky OH), Method of cross-linking polyvinyl alcohol and other water soluble resins.
Qicong Ying ; Steven A. Carlson ; Terje A. Skotheim, Method of making separators for electrochemical cells comprising a microporous pseudo-boehmite layer.
Kadija Igor V. (Cleveland TN) Woodard ; Jr. Kenneth E. (Cleveland TN), Method of sealing separators for electrolytic cells for alkali metal chloride brines.
Qicong Ying ; Steven A. Carlson ; Terje A. Skotheim, Methods of making separators for electrochemical cells comprising pseudo-boehmite layers and a protective coating layer.
Takeuchi Esther S. (East Amherst NY) Leising Randolph A. (Williamsville NY), Nonaqueous electrochemical cell having a mixed cathode and method of preparation.
Ashida Tetsuya,JPX ; Tsukuda Takahiro,JPX, Nonwoven fabric for separator of non-aqueous electrolyte battery and non-aqueous electrolyte battery using the same.
Sheibley Dean W. (Sandusky OH) Rieker Lorra L. (Cleveland OH) Hsu Li-Chen (Westlake OH) Manzo Michelle A. (Cleveland OH), Polyvinyl alcohol cross-linked with two aldehydes.
Dabrowski Bogdan (Bolingbrook IL) Vaughey J. T. (Houston TX) Poeppelmeier Kenneth R. (Evanston IL), Preparation and composition of superconducting copper oxides based on Ga-O layers.
Mas Jean-Claude (Levallois Perret FRX) Mendiboure Andr (Levallois Perret FRX), Separator for an electrochemical cell of the metal-air type and having an alkaline electrolyte.
Kelemen Marc P. (North Olmsted OH) Huhndorff Harry R. (Bay Village OH) Cooper Craig A. (Randleman NC), Separator for electrochemical cell and process for the assembling it into the cell.
Tsukuda, Takahiro; Funae, Haruyoshi, Separator for nonaqueous electrolyte batteries, nonaqueous electrolyte battery using it, and method for manufacturing separator for nonaqueous electrolyte batteries.
D\Agostino Vincent F. (Huntington Station NY) Lee Joseph Y. (Lake Grove NY) Sentisi Joseph C. (Ozone Park NY), Separator membranes for electrochemical cells.
Deslandes Francis (Saint Ouen FRX) Michel Claude (Herouville Saint Clair FRX) Provost Jackie (Villons Les Buissons FRX) Raveau Bernard (Beuville FRX) Sulpice Andr (Grenoble FRX) Tholence Jean-Louis (, Superconductive mixed valence copper oxide, and method of making it.
Kordesch Karl V. (Lakewood OH) Sharma Yatendra (Graz ATX) Tomantschger Klaus (Mississauga CAX), Zinc anodes for alkaline galvanic cells, and cells containing them.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.