Patents by Inventor Andrew C. Chu
Andrew C. Chu 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: 11791470Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first current collector, and may include a separator. The battery cell may include a first active material disposed between the first current collector and the separator. The battery cell may include an electrolyte diffusion material disposed between the first active material and the first current collector.Type: GrantFiled: October 21, 2019Date of Patent: October 17, 2023Assignee: Apple Inc.Inventors: Christopher T. Campbell, Andrew C. Chu, Tobias Zeilinger, Ghyrn E. Loveness, Qingcheng Zeng, Kenzo Nagai, Donald G. Dafoe
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Publication number: 20230318075Abstract: Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.Type: ApplicationFiled: June 5, 2023Publication date: October 5, 2023Inventors: Josef L. Miler, Luke A. Wilhelm, Andrew C. Chu
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Publication number: 20230291027Abstract: Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.Type: ApplicationFiled: May 8, 2023Publication date: September 14, 2023Inventors: Josef L. Miler, Luke A. Wilhelm, Andrew C. Chu
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Patent number: 11699821Abstract: Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.Type: GrantFiled: April 4, 2022Date of Patent: July 11, 2023Assignee: Apple Inc.Inventors: Josef L. Miler, Luke A. Wilhelm, Andrew C. Chu
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Publication number: 20230076651Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first cell and a second cell disposed adjacent the first cell. The devices may include a stacked current collector coupled between the first cell and the second cell. The current collector may include a grid or matrix, and may include a combination of conductive and insulative materials.Type: ApplicationFiled: November 11, 2022Publication date: March 9, 2023Inventors: Andrew C. Chu, Christopher T. Campbell, Qingcheng Zeng, Kenzo Nagai, Isaac S. Harper, Donald G. Dafoe
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Patent number: 11588155Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first battery cell. The first battery cell may include an anode current collector, and an anode active material disposed on the anode current collector. The first battery cell may include a cathode current collector and a cathode active material disposed on the cathode current collector. The current collectors may be polymeric materials. The batteries may include a first conductive band electrically coupled with the first battery cell. The first conductive band may be seated on the second surface of one of the anode current collector or the cathode current collector. The first conductive band may extend about a perimeter of the one of the anode current collector or the cathode current collector. The batteries may include a cell module including a first flexible extension electrically coupled with the first conductive band.Type: GrantFiled: September 8, 2020Date of Patent: February 21, 2023Assignee: Apple Inc.Inventors: Dylan Erb, Abraham B. Caulk, Ross L. Johnstal, Paul W. Firehammer, Edward T. Hillstrom, Christopher T. Campbell, Andrew C. Chu
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Patent number: 11532824Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first cell and a second cell disposed adjacent the first cell. The devices may include a stacked current collector coupled between the first cell and the second cell. The current collector may include a grid or matrix, and may include a combination of conductive and insulative materials.Type: GrantFiled: February 12, 2019Date of Patent: December 20, 2022Assignee: Apple Inc.Inventors: Andrew C. Chu, Christopher T. Campbell, Qingcheng Zeng, Kenzo Nagai, Isaac S. Harper, Donald G. Dafoe
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Publication number: 20220231364Abstract: Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.Type: ApplicationFiled: April 4, 2022Publication date: July 21, 2022Inventors: Josef L. Miler, Luke A. Wilhelm, Andrew C. Chu
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Patent number: 11296361Abstract: A bipolar battery including a first electrochemical cell and a second electrochemical cell is provided.Type: GrantFiled: July 6, 2016Date of Patent: April 5, 2022Inventors: Andrew C. Chu, Qingcheng Zeng, Donald G. Dafoe, Steven Kaye
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Patent number: 11296380Abstract: Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.Type: GrantFiled: January 28, 2019Date of Patent: April 5, 2022Assignee: Apple Inc.Inventors: Josef L. Miler, Luke A. Wilhelm, Andrew C. Chu
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Patent number: 10916741Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first current collector and a second current collector. At least one of the first current collector and the second current collector may be a non-metal current collector. The battery cell may include a seal between an edge region of the first current collector and an edge region of the second current collector. The seal may contact a first surface of the first current collector and a first surface of the second current collector. The battery cell may also include a metal material coupled with the non-metal current collector on a second surface of the non-metal current collector opposite the first surface.Type: GrantFiled: July 30, 2018Date of Patent: February 9, 2021Inventors: Donald G. Dafoe, Andrew C. Chu, Christopher T. Campbell, Tobias Zeilinger, Kenzo Nagai, Qingcheng Zeng
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Patent number: 10916796Abstract: Energy storage devices, battery cells, and batteries may include a first current collector having an anode active material disposed along a first surface of the first current collector. The cells may include a plurality of first electrodes positioned along a second surface of the first current collector opposite the first surface. The plurality of first electrodes may be characterized by a first orientation. The cells may include a second current collector having a cathode active material disposed along a first surface of the second current collector. The cells may include a separator positioned between the anode active material and the cathode active material. The cells may also include a plurality of second electrodes positioned along a second surface of the second current collector opposite the first surface. The plurality of second electrodes may be characterized by a second orientation substantially orthogonal to the first orientation.Type: GrantFiled: January 31, 2019Date of Patent: February 9, 2021Inventors: Tobias Zeilinger, Donald G. Dafoe, Paul W. Firehammer, Andrew C. Chu, Christopher T. Campbell, Mario Tippelhofer, Alexander A. Bondarenko, Qingcheng Zeng
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Publication number: 20200052305Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first current collector, and may include a separator. The battery cell may include a first active material disposed between the first current collector and the separator. The battery cell may include an electrolyte diffusion material disposed between the first active material and the first current collector.Type: ApplicationFiled: October 21, 2019Publication date: February 13, 2020Applicant: Apple Inc.Inventors: Christopher T. Campbell, Andrew C. Chu, Tobias Zeilinger, Ghyrn E. Loveness, Qingcheng Zeng, Kenzo Nagai, Donald G. Dafoe
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Publication number: 20190190030Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first cell and a second cell disposed adjacent the first cell. The devices may include a stacked current collector coupled between the first cell and the second cell. The current collector may include a grid or matrix, and may include a combination of conductive and insulative materials.Type: ApplicationFiled: February 12, 2019Publication date: June 20, 2019Inventors: Andrew C. Chu, Christopher T. Campbell, Qingcheng Zeng, Kenzo Nagai, Isaac S. Harper, Donald G. Dafoe
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Publication number: 20190157635Abstract: Battery packs are presented having structural members for improving thermal management of battery cells therein. In some embodiments, the battery packs include a first end-member positioned opposite a second end-member and parallel thereto. The battery packs also include a first side beam positioned opposite a second side beam and parallel thereto. The first side beam and the second side beam extend longitudinally between the first end-member and the second end-member. A longitudinal member is disposed between the first side beam and the second side beam and defines a plurality of longitudinal rows. The battery packs may additionally include a lateral member disposed between first end-member and the second end-member to partition the plurality of longitudinal rows into an array of battery cell compartments. A battery cell is disposed within at least one battery cell compartment.Type: ApplicationFiled: January 28, 2019Publication date: May 23, 2019Applicant: Apple Inc.Inventors: Josef L. Miler, Luke A. Wilhelm, Andrew C. Chu
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Publication number: 20180205118Abstract: A bipolar battery including a first electrochemical cell and a second electrochemical cell is provided.Type: ApplicationFiled: July 6, 2016Publication date: July 19, 2018Inventors: Andrew C. Chu, Qingcheng Zeng, Donald G. Dafoe, Steven Kaye
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Patent number: 9608292Abstract: A lithium-ion battery is provided that has a fast charge and discharge rate capability and low rate of capacity fade during high rate cycling. The battery can exhibit low impedance growth and other properties allowing for its use in hybrid electric vehicle applications and other applications where high power and long battery life are important features.Type: GrantFiled: December 30, 2013Date of Patent: March 28, 2017Assignee: A123 Systems LLCInventors: Antoni S. Gozdz, Andrew C. Chu, Ricardo Fulop, Yet-Ming Chiang, Gilbert N. Riley, Jr., Roger Lin
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Patent number: 9509019Abstract: Electroactive compositions are disclosed for use in lithium ion battery electrodes. The compositions, such as multifunctional mixed metal olivines, provide an electrochemical cell having a plurality of open circuit voltages at different states of charge. The compositions afford improved state-of-charge monitoring, overcharge protection and/or overdischarge protection for lithium ion batteries.Type: GrantFiled: May 29, 2012Date of Patent: November 29, 2016Assignee: A123 Systems LLCInventors: Yet-Ming Chiang, Andrew C. Chu, Young-Il Jang, Nonglak Meethong, Yu-Hua Kao, Gilbert N. Riley, Jr., Anthony E. Pullen, Karen E. Thomas-Alyea
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Patent number: 9299966Abstract: Subassemblies for use in an electrochemical device are provided, as are processes for preparing the subassemblies and electrochemical cells incorporating the subassemblies. In some embodiments, the subassemblies include (a) a first electrode and (b) a separator or a first current collector or both. The first electrode is bonded to the separator or the first current collector or both. In some embodiments, the subassemblies further include a second electrode and a second current collector. In some embodiments, the electrodes or separators are sintered. Bipolar cells are also provided, including a plurality of stacked electrochemical cells that are joined in series. The positive electrode and the negative electrode of each stack include a sintered electrode.Type: GrantFiled: March 25, 2009Date of Patent: March 29, 2016Assignee: A123 Systems LLCInventors: Yet-Ming Chiang, Andrew C. Chu, Young-Il Jang, Michael Wixom
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Publication number: 20140242445Abstract: A lithium-ion battery is provided that has a fast charge and discharge rate capability and low rate of capacity fade during high rate cycling. The battery can exhibit low impedance growth and other properties allowing for its use in hybrid electric vehicle applications and other applications where high power and long battery life are important features.Type: ApplicationFiled: December 30, 2013Publication date: August 28, 2014Applicant: A123 SYSTEMS, LLCInventors: Antoni S. GOZDZ, Andrew C. CHU, Ricardo FULOP, Yet-Ming CHIANG, Gilbert N. RILEY, JR., Roger LIN