Patents Examined by Frank A Chernow
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Patent number: 11904713Abstract: A system and method for mitigating the effects of a thermal event within a non-metal-air battery pack is provided in which the hot gas and material generated during the event is directed into the metal-air cells of a metal-air battery pack. The metal-air cells provide a large thermal mass for absorbing at least a portion of the thermal energy generated during the event before it is released to the ambient environment. As a result, the risks to vehicle passengers, bystanders, first responders and property are limited.Type: GrantFiled: August 31, 2020Date of Patent: February 20, 2024Assignee: Tesla, Inc.Inventor: Weston Arthur Hermann
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Patent number: 11901501Abstract: An insulating plate for a secondary battery includes a wound electrode group, an electrolyte, a cylindrical battery case that houses the electrode group and the electrolyte, and a sealing body that seals an opening of the battery case and includes a discharge valve. The insulating plate is disposed between the electrode group and the sealing body and has a disk shape with a thickness T of 0.1 mm or more. The insulating plate has a first hole formed centrally therein and at least one second hole formed around the first hole so as to extend along the outer periphery of the disk shape. The ratio (=T/D) of the thickness T to a diameter D of the insulating plate is 0.016 or less, and the insulating plate has an opening ratio of 36% or less.Type: GrantFiled: September 20, 2022Date of Patent: February 13, 2024Assignees: PANASONIC HOLDINGS CORPORATION, PANASONIC ENERGY CO., LTD.Inventors: Takeshi Enomoto, Tomohiko Yokoyama, Yuji Yamagami, Kazutoshi Kohira
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Patent number: 11888178Abstract: The present invention provides a method for manufacturing a battery cell component including providing a current collector foil and placing separators onto the current collector foil at spaced intervals. A battery cell component, battery and electric or hybrid vehicle is also provided.Type: GrantFiled: September 10, 2018Date of Patent: January 30, 2024Assignees: Volkswagen AG, Audi AG, Dr. Ing. h.c. F. Porsche AGInventors: Mirko Herrmann, Angela Speidel
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Patent number: 11876207Abstract: A battery includes a cathode (101), an anode (102), and an electrolyte (103). The cathode (101) is made of a bicontinuous body having a three-dimensional network structure including a plurality of nanostructures. The electrolyte (103) is sandwiched between the cathode (101) and the anode (102) and made of a salt. The electrolyte (103) may be made of, e.g., an aqueous solution of one of potassium chloride and sodium chloride, or a mixture thereof. The anode (102) may contain, e.g., a metal selected from magnesium, zin, iron, and aluminum.Type: GrantFiled: June 26, 2017Date of Patent: January 16, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masaya Nohara, Yoko Ono, Mikayo Iwata, Masahiko Hayashi, Takeshi Komatsu
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Patent number: 11830972Abstract: A negative active material for a rechargeable lithium battery includes a core including a SiO2 matrix and a Si grain, and a coating layer continuously or discontinuously coated on the core. The coating layer includes SiC and C, and the peak area ratio of the SiC (111) plane to the Si (111) plane as measured by X-ray diffraction analysis (XRD) using a CuK? ray ranges from about 0.01 to about 0.5.Type: GrantFiled: February 1, 2021Date of Patent: November 28, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Eun Park, Young-Ugk Kim
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Patent number: 11831054Abstract: A method of maintaining health of a flow battery includes determining an average oxidation state of a common electrochemically active elemental specie in first and second fluid electrolytes on, respectively, a positive side and a negative side of an electrochemical cell of a flow battery, and adjusting the average oxidation state in response to the average oxidation state deviating from a predefined average oxidation state value.Type: GrantFiled: May 3, 2013Date of Patent: November 28, 2023Assignee: RTX CorporationInventors: Robert Mason Darling, Michael L. Perry
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Patent number: 11806813Abstract: An accumulator assembly includes first and second accumulator cells, each of which includes at least one electrical connection element. The accumulator assembly also includes a cell connector element which electrically connects the electrical connection element of the first accumulator cell with the electrical connection element of the second accumulator cell. The cell connector element is welded at least onto one of the electrical connection elements via a plurality of welding locations. The number and the location of the welding locations are selected according to an expected current density in such a way that more welding locations are arranged at locations with a higher expected current density, and zero or fewer welding locations are arranged at locations with a lower expected current density.Type: GrantFiled: December 29, 2017Date of Patent: November 7, 2023Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Daniel Scherer, Bernhard Nitschke, Ruediger Daub, Christoph Born, Philip Kotter
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Patent number: 11772511Abstract: Provided are a vehicle-use energy storage apparatus, a vehicle-use discharge system, a discharge control method, and a vehicle-use energy storage device each capable of ensuring a sufficient amount of electricity as an amount of electricity used during a normal use time while ensuring an amount of electricity which is reserved as spare electricity, and possessing a sufficient charge-discharge cycle. According to an aspect of the present invention, there is provided a vehicle-use energy storage apparatus including an energy storage device having a negative electrode including a negative active material which contains: a first active material made of a carbon material; and a second active material having a higher oxidation potential than the carbon material and having a higher capacity per volume than the carbon material.Type: GrantFiled: October 19, 2017Date of Patent: October 3, 2023Assignee: GS Yuasa International Ltd.Inventors: Shuji Hitomi, Yuya Asada
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Patent number: 11777079Abstract: The present invention describes a silicon-carbon composite anode tor lithium-ion batteries comprising 40-80 weight % of silicon particles, 10-45 weight % of carbon, consisting of carbon black and graphite, and a combination of carboxymethyl cellulose (CMC) and styrene butadiene rubber (SB.R) as a binder. The invention also comprises a method of manufacturing the anode and a Li-ion battery comprising the Si—C composite anode according to the present invention.Type: GrantFiled: September 29, 2016Date of Patent: October 3, 2023Assignee: ELKEM ASAInventors: Hanne Flaten Andersen, Jorunn Voje
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Patent number: 11769905Abstract: An electrochemical device includes a cathode including elemental selenium, elemental sulfur, or selenium-sulfur containing composite; a negative electrode; a separator; and an electrolyte including a poly(alkyleneoxide) siloxane; and a salt; wherein a concentration of the salt in the electrolyte is sufficient to minimize dissolution of polysulfides/polyselenides formed during cycling of the device.Type: GrantFiled: August 7, 2017Date of Patent: September 26, 2023Assignee: UChicago Argonne, LLCInventors: Gui-Liang Xu, Jianzhao Liu, Zonghai Chen, Khalil Amine
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Patent number: 11757124Abstract: The present invention relates to an electrode assembly for a secondary battery. The electrode assembly for the secondary battery comprises a radical unit comprising first and second electrode sheets each of which is folded so that both ends thereof overlap each other; and a first separator folded several times and having an upper folded portion into which the first electrode sheet is coupled to be fitted and a lower folded portion into which the second electrode sheet is coupled to be fitted, wherein, in the radical unit, the folded portions of the first and second electrode sheets are cut to form two first electrodes and two second electrodes, which are completely separated from each other, and the first electrode, the first separator, the second electrode, the first separator, the first electrode, the first separator, and the second electrode successively stacked.Type: GrantFiled: July 30, 2020Date of Patent: September 12, 2023Inventors: Jin Young Son, Hyun Won Lee, Do Hwa Jung, Ye Lin Kim
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Patent number: 11749834Abstract: A lithium ion-conductive solid electrolyte including a freestanding inorganic vitreous sheet of sulfide-based lithium ion conducting glass is capable of high performance in a lithium metal battery. Such an electrolyte is also manufacturable, and readily adaptable for battery cell and cell component manufacture, in a cost-effective, scalable manner using an automated machine based system, apparatus and methods based on inline spectrophotometry to assess and inspect the quality of such vitreous solid electrolyte sheets and associated components. Suitable manufacturing methods can involve providing a sulfur precursor, providing a boron precursor material having lithium as a second constituent, combining the sulfur and boron precursor materials to form a precursor mixture, melting the mixture, and cooling the melt to form a solid lithium ion conducting glass. The glass may have a Li+ conductivity of at least 10?5 S/cm.Type: GrantFiled: July 11, 2019Date of Patent: September 5, 2023Assignee: PolyPlus Battery CompanyInventors: Steven J. Visco, Yevgeniy S. Nimon, Bruce D. Katz, Vitaliy Nimon
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Patent number: 11742544Abstract: The present disclosure provides a battery module, comprising: a plurality of batteries stacked in a length direction L of the battery module; and an end plate located at an end of the plurality of batteries in the length direction L. The end plate is provided with at least one end plate mounting hole, and each of the at least one end plate mounting holes extends along a height direction H of the battery module. The end plate includes an inner wall and an external wall that are disposed opposite to each other in the length direction L, and an axis of each of the at least one end plate mounting holes includes a first distance L1 from the inner wall and a second distance L2 from the external wall. The first distance L1 is greater than the second distance L2.Type: GrantFiled: August 19, 2019Date of Patent: August 29, 2023Assignee: Contemporary Amperex Technology Co., LimitedInventors: Sien Chen, Shoujiang Xu, Chunyan Feng
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Patent number: 11742526Abstract: Provided is a rechargeable battery including an electrode assembly comprising an electrode assembly body and an electrode tab protruding from the electrode assembly body, and a connecting member comprising a guiding plate and a first connecting plate connected to the guiding plate. The guiding plate extends in a width direction and the first connecting plate extends away from a plate surface of the guiding plate along the width direction or extends toward the plate surface of the guiding plate along the width direction. The electrode tab has a stacked multi-layer structure, the electrode tab protrudes from a portion of an end surface of the electrode assembly body in a longitudinal direction at a side of a split of the electrode assembly body perpendicular to the width direction, and the electrode tab is bent with respect to a longitudinal direction and is connected to the first connecting plate.Type: GrantFiled: September 23, 2022Date of Patent: August 29, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Chengyou Xing, Zhijun Guo, Peng Wang, Taosheng Zhu, Yulian Zheng
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Patent number: 11705573Abstract: When a temperature Tedge of a cell at an end of a battery pack is higher than a temperature Tcen of a cell in a pack central portion, a management server generates rebuilding information for rebuilding a battery pack such that a cell less likely to deteriorate than a cell arranged in the pack central portion is arranged at a pack end. When temperature Tcen is higher than temperature Tedge, the management server generates rebuilding information such that a cell less likely to deteriorate than a cell arranged at the pack end is arranged in the pack central portion.Type: GrantFiled: December 12, 2018Date of Patent: July 18, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Keita Komiyama
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Patent number: 11705574Abstract: When a temperature Tedge of a cell at an end of a battery pack is higher than a temperature Tcen of a cell in a pack central portion, a management server generates rebuilding information for rebuilding a battery pack such that a cell less likely to deteriorate than a cell arranged in the pack central portion is arranged at a pack end. When temperature Tcen is higher than temperature Tedge, the management server generates rebuilding information such that a cell less likely to deteriorate than a cell arranged at the pack end is arranged in the pack central portion.Type: GrantFiled: December 27, 2021Date of Patent: July 18, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Keita Komiyama
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Patent number: 11626601Abstract: To provide a hydrogen storage unit that can heat a storage container including hydrogen absorbing alloy with favorable thermal efficiency, and a fuel cell system provided with the hydrogen storage unit. The cell body of the fuel cell is provided with a fuel cell stack configured to react hydrogen and oxygen to generate electricity, and a stack cooling passage configured to cool the fuel cell stack by circulation of a heat medium. The hydrogen storage unit of the hydrogen supply unit of the fuel cell is provided with: a housing; a plurality of cylinders that are housed in the housing and include hydrogen absorbing alloy; and a temperature control member having a heat medium flowing through the temperature control member so as to heat or cool the cylinder.Type: GrantFiled: May 20, 2019Date of Patent: April 11, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventor: Mitsuaki Inagaki
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Patent number: 11616275Abstract: This application provides a connecting assembly, a battery module, a battery pack, a device, and a manufacturing method. The connecting assembly includes an insulation board and a busbar. The insulation board includes a hollow portion, a first side, and a second side. The busbar includes a first busbar and a second busbar. The first busbar is disposed on the first side of the insulation board. The second busbar is disposed from the second side into the hollow portion of the insulation board. The battery module includes a battery cell and a module frame. The battery cell is accommodated in the module frame. A device using a battery cell as a power supply includes: a power source configured to provide a driving force for the device; and a battery module configured to provide electrical energy to the power source.Type: GrantFiled: October 29, 2020Date of Patent: March 28, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventor: Xiangbin Huang
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Patent number: 11581583Abstract: A battery system has a battery cell including a can, and a ceramic substrate, including a patterned metallized surface, mounted to the can via a thermally conductive adhesive. The battery system also has a monolithic integrated circuit that measures and transmits data about the cell mounted to the patterned metallized surface such that the ceramic substrate and monolithic integrated circuit are electrically isolated from one another.Type: GrantFiled: July 9, 2018Date of Patent: February 14, 2023Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Benjamin A. Tabatowski-Bush, John Paul Gibeau, Chingchi Chen
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Patent number: 11563222Abstract: An all mechanically controlled, non-venting pressure control system for liquid hydrogen and liquid oxygen cryogenic tanks that requires no electrical control while managing disparate, non-stoichiometric reactant boil-off rates is provided. The pressure control system allows for the passive and repeatable stoichiometric consumption of hydrogen and oxygen boil-off from cryogenic tanks to form liquid water, while preventing the liquid hydrogen and liquid oxygen cryogenic tanks from overpressurizing and venting to the external environment. More particularly, in response to an overpressure condition in a first reactant reservoir, a backpressure regulator is opened, providing the overpressure first reactant to a fuel cell or other consumer, and providing a pilot signal to open a supply line from a second reactant reservoir to the consumer. Whether the second reactant is supplied from the second reactant reservoir as gas or a liquid is determined based on the pressure within the second reactant reservoir.Type: GrantFiled: February 27, 2017Date of Patent: January 24, 2023Assignee: Ball Aerospace & Technologies Corp.Inventor: Jeffrey A. Schmidt