Patents Assigned to Wildcat Discovery Technologies, Inc.
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Patent number: 9287586Abstract: Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures, high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and an additive compounds.Type: GrantFiled: January 16, 2015Date of Patent: March 15, 2016Assignee: Wildcat Discovery Technologies, Inc.Inventors: Gang Cheng, Bin Li, Steven Kaye
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Publication number: 20150372299Abstract: A material for forming an electrode represented by the formula: Li1+x+aMn1?x?y?z?wDwNiyCozO2?? where 0?a?0.1, 0.1?x?0.5, 0?y<1, 0?z?0.5, 0<w?0.5, and 0???0.3. The material reduces the voltage fade in electrochemical cells that use lithium-rich layered oxide electrode materials.Type: ApplicationFiled: June 18, 2014Publication date: December 24, 2015Applicants: Wildcat Discovery Technologies, Inc., Tianjin B&M Science and Technology Joint-Stock Co., Ltd.Inventors: Bin Li, Jen-Hsien Yang, Wei Tong
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Publication number: 20150372302Abstract: A material for forming an electrode. The material is a lithium phosphate with a stoichiometric excess of lithium and dopants, such as alkaline earth metal or transition metal dopants, in lithium sites and other sites.Type: ApplicationFiled: June 18, 2014Publication date: December 24, 2015Applicants: Wildcat Discovery Technologies, Inc., Tianjin B&M Science and Technology Joint-Stock Co., Ltd.Inventors: Bin Li, Jen-Hsien Yang, Wei Tong
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Patent number: 9159994Abstract: A composition for forming an electrode. The composition includes a metal fluoride compound doped with a dopant. The addition of the dopant: (i) improves the bulk conductivity of the composition as compared to the undoped metal fluoride compound; (ii) changes the bandgap of the composition as compared to the undoped metal fluoride compound; or (iii) induces the formation of a conductive metallic network. A method of making the composition is included.Type: GrantFiled: March 19, 2014Date of Patent: October 13, 2015Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC.Inventors: Wei Tong, Steven Kaye, David Keogh, Cory O'Neill
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Patent number: 9160001Abstract: A cobalt-containing phosphate material can comprise lithium (Li) (or, alternatively or additionally other alkali metal(s)), cobalt (Co), phosphate (PO4), and at least two additional metals other than Li and Co (e.g., as dopants and/or metal oxides), and can have a molar ratio of Co to a total amount of Co and the additional metals (e.g., as dopants and/or metal oxides) of at least 0.2, at least 0.3, at least 0.5, at least 0.7, or at least about 0.75. The cobalt-containing phosphate material can have a molar ratio of Co to a total amount of Co and the additional metals (e.g., as dopants and/or metal oxides) ranging from 0.2 to 0.98, from 0.3 to 0.98, from 0.3 to 0.94, from 0.5 to 0.98, from 0.5 to 0.94, or alternatively from 0.5 to 0.9, from 0.7 to 0.9, or from 0.75 to 0.85.Type: GrantFiled: December 23, 2011Date of Patent: October 13, 2015Assignee: Wildcat Discovery Technologies, Inc.Inventors: Bin Li, Steven Kaye, Doron Greenberg, Conor Riley, Jingning Shan, Jen-Hsien Yang
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Patent number: 9153818Abstract: A composition for use in a battery electrode including lithium-sulfur particles coated with a transition metal species bonded to a sulfur species. Methods and materials for preparing such a composition. Use of such a compound in a battery.Type: GrantFiled: March 19, 2014Date of Patent: October 6, 2015Assignee: Wildcat Discovery Technologies, Inc.Inventors: Marissa Caldwell, Steven Kaye, David Keogh
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Patent number: 9123959Abstract: A composition for use in a battery electrode comprising a compound including lithium, manganese, nickel, and oxygen. The composition is characterized by a powder X-ray diffraction pattern having peaks including 18.6±0.2, 35.0±0.2, 36.4±0.2, 37.7±0.2, 42.1±0.2, and 44.5±0.2 degrees 2? as measured using Cu K? radiation.Type: GrantFiled: February 10, 2014Date of Patent: September 1, 2015Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC.Inventors: Bin Li, Marissa Caldwell, Wei Tong, Steven Kaye, Vinay Bhat
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Patent number: 9099735Abstract: An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material.Type: GrantFiled: March 15, 2013Date of Patent: August 4, 2015Assignee: WILDCAT DISCOVERY TECHNOLOGIES, INC.Inventors: Marissa Caldwell, Steven Kaye, Cory O'Neill, Wei Tong, David Keogh
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Patent number: 9093703Abstract: A method of forming an electrode active material by reacting a metal fluoride and a reactant. The reactant can be a metal oxide, metal phosphate, metal fluoride, or a precursors expected to decompose to oxides. The method includes a milling step and an annealing step. The method can alternately include a solution coating step. Also included is the composition formed following the method.Type: GrantFiled: March 19, 2014Date of Patent: July 28, 2015Assignee: Wildcat Discovery Technologies, Inc.Inventors: Steven Kaye, David Keogh, Cory O'Neill
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Patent number: 9034516Abstract: A method for extracting ions from an active material for use in a battery electrode includes mixing the active material and an activating compound to form a mixture. The mixture is annealed such that an amount of ions is extracted from the active material, an amount of oxygen is liberated from the active material, and an activated active material is formed. Embodiments of the invention include the activated active material, the electrode, and the primary and secondary batteries formed from such activated active materials.Type: GrantFiled: April 15, 2014Date of Patent: May 19, 2015Assignees: Wildcat Discovery Technologies, Inc., Tianjin B&M Science and Technology Joint-Stock Co., Ltd.Inventors: Bin Li, Wei Tong, Jen Hsien Yang
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Patent number: 8916062Abstract: A composition for forming an electrode. The composition includes a metal fluoride, such as copper fluoride, and a matrix material. The matrix material adds capacity to the electrode. The copper fluoride compound is characterized by a first voltage range in which the copper fluoride compound is electrochemically active and the matrix material characterized by a second voltage range in which the matrix material is electrochemically active and substantially stable. A method for forming the composition is included.Type: GrantFiled: March 19, 2014Date of Patent: December 23, 2014Assignee: Wildcat Discovery Technologies, Inc.Inventors: Wei Tong, Steven Kaye, David Keogh, Cory O'Neill
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Publication number: 20140302388Abstract: A method for extracting ions from an active material for use in a battery electrode includes mixing the active material and an activating compound to form a mixture. The mixture is annealed such that an amount of ions is extracted from the active material, an amount of oxygen is liberated from the active material, and an activated active material is formed. Embodiments of the invention include the activated active material, the electrode, and the primary and secondary batteries formed from such activated active materials.Type: ApplicationFiled: April 15, 2014Publication date: October 9, 2014Applicants: Wildcat Discovery Technologies, Inc., Tianjin B&M Science and Technology Joint-Stock Co., Ltd.Inventors: Bin Li, Wei Tong, Jen Hsien Yang
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Publication number: 20140272553Abstract: Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures, high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics.Type: ApplicationFiled: March 19, 2014Publication date: September 18, 2014Applicant: WILDCAT DISCOVERY TECHNOLOGIES, INC.Inventors: Gang Cheng, Bin Li, Steven Kaye
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Publication number: 20140264198Abstract: A composition for forming an electrode. The composition includes a metal fluoride, such as copper fluoride, and a matrix material. The matrix material adds capacity to the electrode. The copper fluoride compound is characterized by a first voltage range in which the copper fluoride compound is electrochemically active and the matrix material characterized by a second voltage range in which the matrix material is electrochemically active and substantially stable. A method for forming the composition is included.Type: ApplicationFiled: March 19, 2014Publication date: September 18, 2014Applicant: Wildcat Discovery Technologies, Inc.Inventors: Wei Tong, Steven Kaye, David Keogh, Cory O'Neill
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Publication number: 20140264190Abstract: A composition for forming an electrode. The composition includes a metal fluoride compound doped with a dopant. The addition of the dopant: (i) improves the bulk conductivity of the composition as compared to the undoped metal fluoride compound; (ii) changes the bandgap of the composition as compared to the undoped metal fluoride compound; or (iii) induces the formation of a conductive metallic network. A method of making the composition is included.Type: ApplicationFiled: March 19, 2014Publication date: September 18, 2014Applicant: Wildcat Discovery Technologies, Inc.Inventors: Wei Tong, Steven Kaye, David Keogh, Cory O'Neill
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Publication number: 20140272586Abstract: A method of forming an electrode active material by reacting a metal fluoride and a reactant. The reactant can be a metal oxide, metal phosphate, metal fluoride, or a precursors expected to decompose to oxides. The method includes a milling step and an annealing step. The method can alternately include a solution coating step. Also included is the composition formed following the method.Type: ApplicationFiled: March 19, 2014Publication date: September 18, 2014Applicant: WILDCAT DISCOVERY TECHNOLOGIES, INC.Inventors: Steven Kaye, David Keogh, Cory O'Neill
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Publication number: 20140272581Abstract: A method of forming an electrode active material by reacting a metal fluoride and a reactant. The reactant can be a metal oxide, metal phosphate, metal fluoride, or a precursors expected to decompose to oxides. The method includes a milling step and an annealing step. The method can alternately include a solution coating step. Also included is the composition formed following the method.Type: ApplicationFiled: March 19, 2014Publication date: September 18, 2014Applicant: Wildcat Discovery Technologies, Inc.Inventors: Steven Kaye, David Keogh, Cory O'Neill
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Publication number: 20140272570Abstract: A composition for use in a battery electrode including lithium-sulfur particles coated with a transition metal species bonded to a sulfur species. Methods and materials for preparing such a composition. Use of such a compound in a battery.Type: ApplicationFiled: March 19, 2014Publication date: September 18, 2014Applicant: Wildcat Discovery Technologies, Inc.Inventors: Marissa Caldwell, Steven Kaye, David Keogh
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Publication number: 20140225029Abstract: A composition for use in a battery electrode comprising a compound including lithium, manganese, nickel, and oxygen. The composition is characterized by a powder X-ray diffraction pattern having peaks including 18.6±0.2, 35.0±0.2, 36.4±0.2, 37.7±0.2, 42.1±0.2, and 44.5±0.2 degrees 2? as measured using Cu K? radiation.Type: ApplicationFiled: February 10, 2014Publication date: August 14, 2014Applicant: Wildcat Discovery Technologies, Inc.Inventors: Bin Li, Marissa Caldwell, Wei Tong, Steven Kaye, Vinay Bhat
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Patent number: 8795887Abstract: A method for extracting ions from an active material for use in a battery electrode includes mixing the active material and an activating compound to form a mixture. The mixture is annealed such that an amount of ions is extracted from the active material, an amount of oxygen is liberated from the active material, and an activated active material is formed. Embodiments of the invention include the activated active material, the electrode, and the primary and secondary batteries formed from such activated active materials.Type: GrantFiled: March 15, 2013Date of Patent: August 5, 2014Assignee: Wildcat Discovery Technologies, Inc.Inventors: Marissa Caldwell, Steven Kaye, Wei Tong, David Keogh, Chen Zheng