Patents by Inventor Xuekun Xing
Xuekun Xing has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6844109Abstract: A Li-ion and/or Li-ion polymer battery, comprised of a plurality of battery cells, each battery cell comprised of at least one cathode section, an anode section and at least one separator layer disposed between the anode section and the at least one cathode section. A first, planar metal mesh layer is disposed within the anode section, the first metal mesh layer having a coplanar tab extending beyond the separator layer to define a negative lead. A second, planar metal mesh layer is disposed within the cathode section, the second metal mesh layer having a coplanar tab extending beyond the separator layer to form a positive lead. A plurality of reinforcing bands are wrapped around the peripheral edges of the battery cells securing the battery cells together.Type: GrantFiled: December 18, 2001Date of Patent: January 18, 2005Assignee: NGK Spark Plug Co., Ltd.Inventors: Xuekun Xing, Frough K. Shokoohi, Wanjun Fang, Hiroki Sugiura
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Patent number: 6790557Abstract: A battery section for a Li-ion and/or Li-ion polymer cell, comprised of: a planar metal mesh layer having a body portion and a coplanar tab portion defining a battery lead extending from one edge of the mesh layer; electrode film laminated to opposite surfaces of the body portion of the metal mesh layer; and a protective layer on at least one side of the tab, the protective layer having a portion of the tab that is adjacent to the electrode film, the protective layer comprised of an outer polymer layer and an inner adhesive layer adhering the outer polymer layer to the portion of the tab.Type: GrantFiled: August 21, 2002Date of Patent: September 14, 2004Assignee: NGK Spark Plug Co., Ltd.Inventors: Xuekun Xing, Jeffrey M. Smith
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Publication number: 20040081890Abstract: A battery section for a Li-ion and/or Li-ion polymer cell, comprised of:Type: ApplicationFiled: August 21, 2002Publication date: April 29, 2004Applicant: NGK Spark Plug Co., Ltd.Inventors: Xuekun Xing, Jeffrey M. Smith
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Patent number: 6641027Abstract: A method of connecting a generally flat battery lead to at least one flat current collector of a polymer battery, comprising the steps of: bending a generally planar lead about at least one generally planar current collector tab to form a layered area, wherein at least one planar tab is disposed between planar portions of the lead with the lead wrapped around one edge of at least one tab; clamping the layered area between two weld fixtures of an ultrasonic welder; and vibrating the weld fixtures to ultrasonically weld together the battery lead and at least one current collector tab.Type: GrantFiled: December 18, 2001Date of Patent: November 4, 2003Assignee: NGK Spark Plug Co., Ltd.Inventors: Ronald V. O'Connell, Mark L. Daroux, Shawn E. Thomas, Xuekun Xing
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Publication number: 20030186122Abstract: A package for a polymer battery, comprised of a generally rectangular sheet of a packaging laminate. The sheet of packaging laminate is comprised of a metallic foil layer disposed between two polymeric layers. A cavity is formed in the laminate at one end of the sheet. The cavity is generally rectangular in shape and has a bottom and four sides. The cavity is disposed in the sheet such that portions of the sheet define a flange that extends around at least three of the four sides of the cavity and a portion of the sheet defines a cover that is adapted to be folded over the cavity to overlay the flange. A protective/stiffening layer is disposed within the cavity along the four sides. The flange and the cover are hermetically sealed to each other.Type: ApplicationFiled: March 27, 2002Publication date: October 2, 2003Applicant: NTK Powerdex, Inc.Inventors: Xuekun Xing, Hiroki Sugiura
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Publication number: 20030186117Abstract: A primary lithium battery, comprised of a battery package formed from a thin metal/polymer laminate and a single, elongated battery cell having a cathode section, an anode section and a separator disposed between the cathode section and the anode section. The cathode section includes a copper foil having a cathode film thereon. The cathode film includes manganese dioxide, carbon, a polymer binder and a plasticizer, the plasticizer consisting of propylene carbonate (PC). The anode section includes a copper foil having a lithium foil thereon. The battery is folded within the battery package and an electrolyte including propylene carbonate (PC), ethylene carbonate (EC) and a lithium salt are contained within the battery package.Type: ApplicationFiled: March 27, 2002Publication date: October 2, 2003Applicant: NTK Powerdex, Inc.Inventors: Frough K. Shokoohi, Xuekun Xing
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Publication number: 20030111512Abstract: A method of connecting a generally flat battery lead to at least one flat current collector of a polymer battery, comprising the steps of: bending a generally planar lead about at least one generally planar current collector tab to form a layered area, wherein at least one planar tab is disposed between planar portions of the lead with the lead wrapped around one edge of at least one tab; clamping the layered area between two weld fixtures of an ultrasonic welder; and vibrating the weld fixtures to ultrasonically weld together the battery lead and at least one current collector tab.Type: ApplicationFiled: December 18, 2001Publication date: June 19, 2003Applicant: NTK Powerdex, Inc.Inventors: Ronald V. O'Connell, Mark L. Daroux, Shawn E. Thomas, Xuekun Xing
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Publication number: 20030113618Abstract: A Li-ion and/or Li-ion polymer battery, comprised of a plurality of battery cells, each battery cell comprised of at least one cathode section, an anode section and at least one separator layer disposed between the anode section and the at least one cathode section. A first, planar metal mesh layer is disposed within the anode section, the first metal mesh layer having a coplanar tab extending beyond the separator layer to define a negative lead. A second, planar metal mesh layer is disposed within the cathode section, the second metal mesh layer having a coplanar tab extending beyond the separator layer to form a positive lead. A plurality of reinforcing bands are wrapped around the peripheral edges of the battery cells securing the battery cells together.Type: ApplicationFiled: December 18, 2001Publication date: June 19, 2003Applicant: NTK Powerdex, Inc.Inventors: Xuekun Xing, Frough K. Shokoohi, Wanjun Fang, Hiroki Sugiura
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Patent number: 6562511Abstract: A separator for a Li-ion polymer battery comprised of a plurality of separator layers that are laminated together. The plurality of separator layers including a first layer formed of a first separator material, and a second layer formed of a second separator material, wherein the second layer is compositionally and structurally different from the first layer.Type: GrantFiled: December 6, 2000Date of Patent: May 13, 2003Assignees: NTK Powerdex, Inc., NGK Spark Plug Co., Ltd.Inventors: Mark L. Daroux, Frough K. Shokoohi, Geoffrey Barlow, Xuekun Xing
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Patent number: 6551745Abstract: A cathode slurry for use in a lithium battery, comprised of: about 60% to about 70% by weight manganese dioxide; about 5% to about 10% by weight carbon; and about 25% to about 35% by weight of an electrolyte, said electrolyte comprised of: about 10% to about 40% by weight ethylene carbonate, about 60% to about 90% by weight propylene carbonate, and about 0.5 to about 1.5 moles of triflate salt.Type: GrantFiled: August 20, 2001Date of Patent: April 22, 2003Assignees: NGK Spark Plug Co., Ltd., NTK Powerdex, Inc.Inventors: George W. Moutsios, Xuekun Xing, Jay Nardi, Frough K. Shokoohi, Wanjun Fang
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Patent number: 6475674Abstract: A battery section for a Li-ion and/or Li-ion polymer cell, comprised of: a planar metal mesh layer having a body portion and a coplanar tab portion defining a battery lead extending from one edge of the mesh layer; electrode film laminated to opposite surfaces of the body portion of the metal mesh layer; and a protective layer on at least one side of the tab, the protective layer having a portion of the tab that is adjacent to the electrode film, the protective layer comprised of an outer polymer layer and an inner adhesive layer adhering the outer polymer layer to the portion of the tab.Type: GrantFiled: February 7, 2001Date of Patent: November 5, 2002Assignees: NGK Spark Plug Co., Ltd., NTK Powerdex, Inc.Inventors: Xuekun Xing, Jeffrey M. Smith
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Publication number: 20020102455Abstract: A separator for a Li-ion polymer battery comprised of a plurality of separator layers that are laminated together. The plurality of separator layers including a first layer formed of a first separator material, and a second layer formed of a second separator material, wherein the second layer is compositionally and structurally different from the first layer.Type: ApplicationFiled: December 6, 2000Publication date: August 1, 2002Applicant: NTK Powerdex, Inc.Inventors: Mark L. Daroux, Frough K. Shokoohi, Geoffrey Barlow, Xuekun Xing
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Patent number: 6403262Abstract: A Li-ion and/or Li-ion polymer cell, comprised of: a first cathode section and a second cathode section, each cathode section having a cathode current collector in contact therewith, the cathode current collector comprised of a sheet of metal mesh having a tab portion extending outwardly from the sheet beyond the cathode section to form a cathode section lead, the cathode section lead from the first cathode section being disposed adjacent to the cathode section lead from the second cathode section; an anode section disposed between the cathode sections, the anode section having an anode current collector having a tab portion extending therefrom beyond the anode section to form an anode section lead; a separator layer disposed between the anode section and each of the cathode sections; and an adhesive protective layer applied to the tab portion of each cathode current collector where the tab portion extends from the sheet, the protective layers disposed between the tab portions to prevent shorts when the tabType: GrantFiled: February 10, 2000Date of Patent: June 11, 2002Assignees: NTK Powerdex, Inc., NGK Spark Plug Co., Ltd.Inventors: Xuekun Xing, Jeffrey M. Smith
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Publication number: 20020041999Abstract: A cathode slurry for use in a lithium battery, comprised of:Type: ApplicationFiled: August 20, 2001Publication date: April 11, 2002Applicant: NTK Powerdex, Inc.Inventors: George W. Moutsios, Xuekun Xing, Jay Nardi, Frough K. Shokoohi, Wanjun Fang
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Publication number: 20010021471Abstract: A battery section for a Li-ion and/or Li-ion polymer cell, comprised of:Type: ApplicationFiled: February 7, 2001Publication date: September 13, 2001Applicant: NTK Powerdex, Inc.Inventors: Xuekun Xing, Jeffrey M. Smith
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Patent number: 6284406Abstract: An IC card comprising an electronic device and a battery within a plastic card for electrically energizing the electronic device. The battery is comprised of a monolithic electrochemical cell having a lithium-containing cathode, a carbon anode, and a porous polymer separator infused with electrolyte solution. The cell has a thickness of less than 0.7 mm. A package containing the cell formed of a sheet of flexible laminate material having at least one metal foil layer and a layer of an adhesive-like polymeric material. The battery has an overall thickness of less than 0.8 mm.Type: GrantFiled: June 9, 2000Date of Patent: September 4, 2001Assignee: NTK Powerdex, Inc.Inventors: Xuekun Xing, Frough K. Shokoohi, Mark L. Daroux, Joan Corniuk, Wanjun Fang, George W. Moutsios
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Patent number: 6277520Abstract: A cathode slurry for use in a lithium battery, comprised of: about 60% to about 70% by weight electrolytic manganese dioxide; about 5% to about 10% by weight carbon; and about 25% to about 35% by weight of an electrolyte, said electrolyte comprised of: about 10% to about 40% by weight ethylene carbonate, about 60% to about 90% by weight propylene carbonate, and about 0.5 to about 1.5 moles of triflate salt.Type: GrantFiled: March 19, 1999Date of Patent: August 21, 2001Assignee: NTK Powerdex, Inc.Inventors: George W. Moutsios, Xuekun Xing, Jay Nardi, Frough K. Shokoohi, Wanjun Fang
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Patent number: 6048646Abstract: A method of treating a copper current collector (copper mesh and/or copper foil) for use in Li-ion and/or Li-ion polymer batteries, comprising the steps of: positioning a copper current collector within an electrolytic solution adjacent an anode plate, the electrolytic solution comprised of about 2 to about 25 grams/liter of Cu.sup.+2, and about 30 to about 100 grams/liter of H.sub.2 SO.sub.4 ; energizing the system to have a predetermined current density; maintaining the current density of the system for about 0.5 to about 3.0 minutes; and removing the copper current collector from the electrolyte solution and rinsing the same.Type: GrantFiled: July 21, 1998Date of Patent: April 11, 2000Assignee: GA-TEK Inc.Inventors: Xuekun Xing, Wan Jun Fang, James R. Winchester, III
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Patent number: 5837397Abstract: In one embodiment, the present invention provides a lithium-ion battery and a method of preparing a lithium-ion battery containing a slurry anode including a carbonaceous material, a first electrolyte salt and a first organic solvent; and a slurry cathode including a conductor, a second electrolyte salt, a second organic solvent and a lithium transition metal oxide, with the proviso that neither the slurry anode nor the slurry cathode contain a binder.Type: GrantFiled: November 8, 1996Date of Patent: November 17, 1998Assignee: Gould Electronics Inc.Inventor: Xuekun Xing
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Patent number: 5792576Abstract: The present invention provides a limited rechargeable lithium battery containing an anode; a cathode slurry containing about 55 to about 75% by weight of a transition metal oxide, about 3 to about 8% by weight of a conductor, and about 20 to about 40% by weight of an organic electrolyte containing an electrolyte salt and an organic solvent; a separator between the anode and the cathode slurry; and at least two current collectors. The present invention also provides a method of making a cathode slurry.Type: GrantFiled: November 8, 1996Date of Patent: August 11, 1998Assignee: Gould Electronics Inc.Inventors: Xuekun Xing, Tibor Kalnoki-kis, George W. Moutsios