Patents by Inventor Nivay Anandarajah

Nivay Anandarajah 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).

  • Publication number: 20240363915
    Abstract: A system includes a battery pack having a first sub-pack and a second sub-pack, the first sub-pack having a first cell group and a second cell group, and the second sub-pack having a third cell group. A cooling system supplies a liquid coolant to a heat exchanger that is in thermal communication with the battery pack. A first section, a second section, and a third section of the heat exchanger are arranged sequentially in a flow direction of the liquid coolant between the coolant inlet and the coolant outlet, with the first section of positioned adjacent to the first cell group of the first sub-pack, the second section positioned adjacent to the third cell group of the second sub-pack, and the third section positioned adjacent to the second cell group of the first sub-pack.
    Type: Application
    Filed: April 28, 2023
    Publication date: October 31, 2024
    Inventors: Dylan Erb, Alexander Bartlett, Evan D. Maley, Nivay Anandarajah, Zhongying Shi
  • Publication number: 20240339692
    Abstract: A battery pack includes a first busbar, a second busbar, and a thermal interface material (TIM) including a thermal conductivity constant (k) value between 1.0 and 7.0 watts per meter-kelvin (W/mK). The TIM establishes a thermal interface between the first busbar and the second busbar. The battery pack also includes a control assembly configured to regulate a charging mode of the battery pack in which the first busbar is active and receives an electrical current and the second busbar is inactive.
    Type: Application
    Filed: March 8, 2024
    Publication date: October 10, 2024
    Inventors: Dylan C Erb, John M Schoech, Nivay Anandarajah, Alexander Bartlett, Abraham B Caulk, Joseph D Rainey, Berton Vite
  • Publication number: 20240322329
    Abstract: A battery pack includes an enclosure defining an enclosure interior, a stack of battery cells disposed in the enclosure interior between a first wall of the enclosure and a second wall of the enclosure, and a side beam extending from the first wall to the second wall and adjacent to the stack of battery cells. The side beam includes a plurality of interconnected elements forming a web, where a portion of the web is configured to collapse in response to a force against a side of the battery pack exceeding a threshold force.
    Type: Application
    Filed: February 20, 2024
    Publication date: September 26, 2024
    Inventors: Evan D. Maley, Andrew J. Gunnion, Nivay Anandarajah, Daniel T. Williams, Yu-Hung Li, Anish Shah, Matthew I. Woods
  • Publication number: 20240304891
    Abstract: A battery pack includes an enclosure forming an enclosure interior, a stack of battery cells disposed within the enclosure interior, and an adhesive extending between a wall of the enclosure and the stack. The battery pack also includes a first gap filler extending between the wall and the stack, where the first gap filler is disposed adjacent to a first edge of the stack and includes a first thermal conductivity constant greater than a second thermal conductivity constant of the adhesive. The battery pack also includes a second gap filler extending between the wall and the stack, where the second gap filler is disposed adjacent to a second edge of the stack and includes a third thermal conductivity constant greater than the second thermal conductivity constant.
    Type: Application
    Filed: February 7, 2024
    Publication date: September 12, 2024
    Inventors: Edward T Hillstrom, Alexander Bartlett, Nivay Anandarajah, Dylan C Erb, Zhongying Shi
  • Publication number: 20240234895
    Abstract: A battery pack includes an enclosure comprising a first wall and a second wall opposing the first wall, battery cells disposed in an interior of the enclosure between the first wall and the second wall, a first coating and adhesive assembly, and a second coating and adhesive assembly. The first coating and adhesive assembly is configured to structurally couple the battery cells with the first wall of the enclosure and electrically isolate the battery cells from the first wall of the enclosure. The second coating and adhesive assembly is configured to structurally coupling the battery cells with the second wall of the enclosure and electrically isolate the battery cells from the second wall of the enclosure.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 11, 2024
    Inventors: Edward T Hillstrom, Nivay Anandarajah, Christopher T Campbell, Dustin Y Chen, Joseph D Rainey, Dylan C Erb, Rebecca L King, Evan D Maley
  • Publication number: 20240234909
    Abstract: A battery pack includes an enclosure comprising a first wall and a second wall opposing the first wall, battery cells disposed in an interior of the enclosure between the first wall and the second wall, a first coating and adhesive assembly, and a second coating and adhesive assembly. The first coating and adhesive assembly is configured to structurally couple the battery cells with the first wall of the enclosure and electrically isolate the battery cells from the first wall of the enclosure. The second coating and adhesive assembly is configured to structurally coupling the battery cells with the second wall of the enclosure and electrically isolate the battery cells from the second wall of the enclosure.
    Type: Application
    Filed: January 9, 2023
    Publication date: July 11, 2024
    Inventors: Edward T. Hillstrom, Nivay Anandarajah, Christopher T. Campbell, Dustin Y. Chen, Joseph D. Rainey, Rebecca L. King, Evan D. Maley, Dylan C. Erb
  • Publication number: 20240195024
    Abstract: Batteries according to embodiments of the present technology may include a housing including a first terminal disposed on a first side of the housing and a second terminal disposed on the first side of the housing. The batteries may include an electrode stack positioned within the housing. The electrode stack may include an anode current collector. The anode current collector may define an anode tab along a second side of the anode current collector, and be electrically coupled with the first terminal. The electrode stack may include a cathode current collector. The cathode current collector may define a cathode tab along a second side of the cathode current collector. The cathode tab and anode tab may extend in a direction normal to a direction facing the first side of the housing. The cathode tab may be electrically coupled with the second terminal.
    Type: Application
    Filed: February 16, 2024
    Publication date: June 13, 2024
    Inventors: Christopher T. Campbell, Nivay Anandarajah, William A. Braff, Oskar Dondelewski, Russell A. McLellan
  • Patent number: 12002976
    Abstract: Battery packs according to some embodiments of the present technology may include a longitudinal beam. The packs may include a plurality of battery cells disposed adjacent the longitudinal beam. Each battery cell may be characterized by a first surface, and a second surface opposite the first surface. Each battery cell may be characterized by a third surface extending vertically between the first surface and the second surface. The first surface may face the longitudinal beam, and battery terminals may extend from the third surface. Each battery cell may be characterized by a fourth surface opposite the third surface. The packs may include a lid coupled with the first surface of each battery cell of the plurality of battery cells. The packs may include a base coupled with the second surface of each battery cell of the plurality of battery cells.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: June 4, 2024
    Assignee: Apple Inc.
    Inventors: Nivay Anandarajah, Evan D. Maley, Alexander J. Clarabut, Yu-Hung Li, John M. Schoech
  • Patent number: 12002977
    Abstract: Battery packs according to some embodiments of the present technology may include a longitudinal beam. The packs may include a plurality of battery cells disposed adjacent the longitudinal beam. Each battery cell may be characterized by a first surface, and a second surface opposite the first surface. Each battery cell may be characterized by a third surface extending vertically between the first surface and the second surface. The first surface may face the longitudinal beam, and battery terminals may extend from the third surface. Each battery cell may be characterized by a fourth surface opposite the third surface. The packs may include a lid coupled with the first surface of each battery cell of the plurality of battery cells. The packs may include a base coupled with the second surface of each battery cell of the plurality of battery cells.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: June 4, 2024
    Assignee: Apple Inc.
    Inventors: Nivay Anandarajah, Evan D. Maley, Alexander J. Clarabut, Yu-Hung Li, John M. Schoech
  • Patent number: 11973235
    Abstract: Battery packs according to some embodiments of the present technology may include a longitudinal beam. The packs may include a plurality of battery cells disposed adjacent the longitudinal beam. Each battery cell may be characterized by a first surface, and a second surface opposite the first surface. Each battery cell may be characterized by a third surface extending vertically between the first surface and the second surface. The first surface may face the longitudinal beam, and battery terminals may extend from the third surface. Each battery cell may be characterized by a fourth surface opposite the third surface. The packs may include a lid coupled with the first surface of each battery cell of the plurality of battery cells. The packs may include a base coupled with the second surface of each battery cell of the plurality of battery cells.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: April 30, 2024
    Assignee: Apple Inc.
    Inventors: Nivay Anandarajah, Evan D. Maley, Alexander J. Clarabut, Yu-Hung Li, John M. Schoech
  • Publication number: 20240106058
    Abstract: A battery pack can include a plurality of battery cells arranged adjacent one another in a row. The battery pack can include a first spacer plate aligned with and positioned adjacent the first cell of the plurality of battery cells, a second spacer plate aligned with and positioned adjacent the last cell of the plurality of battery cells, and a housing enclosing the plurality of battery cells. The housing can include a first sidewall positioned adjacent the first spacer plate and a second sidewall positioned adjacent the second spacer plate such that the plurality of battery cells can be positioned between the first sidewall and the second sidewall. The battery pack can include a cover. A layer of adhesive can be disposed between the battery cells and the cover. Various techniques can be employed to improve the durability of the battery pack.
    Type: Application
    Filed: January 31, 2023
    Publication date: March 28, 2024
    Inventors: Dylan Erb, Nivay Anandarajah, Alexander Bartlett, Abraham B. Caulk, Edward T. Hillstrom, Evan D. Maley, Erik C. Ostergaard, Matthew I. Woods
  • Publication number: 20240106062
    Abstract: A battery pack can include a plurality of battery cells arranged adjacent one another in a row. The battery pack can include a first spacer plate aligned with and positioned adjacent the first cell of the plurality of battery cells, a second spacer plate aligned with and positioned adjacent the last cell of the plurality of battery cells, and a housing enclosing the plurality of battery cells. The housing can include a first sidewall positioned adjacent the first spacer plate and a second sidewall positioned adjacent the second spacer plate such that the plurality of battery cells can be positioned between the first sidewall and the second sidewall. The battery pack can include a cover. A layer of adhesive can be disposed between the battery cells and the cover. Various techniques can be employed to improve the durability of the battery pack.
    Type: Application
    Filed: January 31, 2023
    Publication date: March 28, 2024
    Inventors: Dylan Erb, Nivay Anandarajah, Alexander Bartlett, Abraham B. Caulk, Edward T. Hillstrom, Evan D. Maley, Erik C. Ostergaard, Matthew I. Woods
  • Publication number: 20240106023
    Abstract: A battery pack can include an enclosure with a first panel opposite and spaced apart from a second panel. First and second battery cell stacks can be positioned between the first and the second panels. Each of the first and the second battery cell stacks can include a plurality of interconnected battery cells. A busbar fuse can be electrically connected between the first and the second battery cell stack and can include an exterior thermal contact that is thermally connected to the first panel. A thermal interface material (TIM) can be disposed between the exterior thermal contact and the first panel where the first panel can form a portion of a heat exchanger. A shell can at least partially enclose the busbar fuse and can retain a potting compound or phase change material around the busbar fuse.
    Type: Application
    Filed: January 31, 2023
    Publication date: March 28, 2024
    Inventors: Abraham B. Caulk, Dylan Erb, Nivay Anandarajah, Alexander Bartlett, David T. Rosenberg, Zhongying Shi
  • Publication number: 20240106076
    Abstract: A battery pack can include a plurality of battery cells arranged adjacent one another in a row. The battery pack can include a first spacer plate aligned with and positioned adjacent the first cell of the plurality of battery cells, a second spacer plate aligned with and positioned adjacent the last cell of the plurality of battery cells, and a housing enclosing the plurality of battery cells. The housing can include a first sidewall positioned adjacent the first spacer plate and a second sidewall positioned adjacent the second spacer plate such that the plurality of battery cells can be positioned between the first sidewall and the second sidewall. The battery pack can include a cover. A layer of adhesive can be disposed between the battery cells and the cover. Various techniques can be employed to improve the durability of the battery pack.
    Type: Application
    Filed: January 31, 2023
    Publication date: March 28, 2024
    Inventors: Dylan Erb, Abraham B. Caulk, Erik C. Ostergaard, Nivay Anandarajah, Alexander Bartlett, Edward T. Hillstrom, Evan D. Maley, Matthew I. Woods
  • Patent number: 11942661
    Abstract: Batteries according to embodiments of the present technology may include a housing including a first terminal disposed on a first side of the housing and a second terminal disposed on the first side of the housing. The batteries may include an electrode stack positioned within the housing. The electrode stack may include an anode current collector. The anode current collector may define an anode tab along a second side of the anode current collector, and be electrically coupled with the first terminal. The electrode stack may include a cathode current collector. The cathode current collector may define a cathode tab along a second side of the cathode current collector. The cathode tab and anode tab may extend in a direction normal to a direction facing the first side of the housing. The cathode tab may be electrically coupled with the second terminal.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: March 26, 2024
    Assignee: Apple Inc.
    Inventors: Christopher T. Campbell, Nivay Anandarajah, William A. Braff, Oskar Dondelewski, Russell A. McLellan
  • Publication number: 20240097210
    Abstract: A battery pack includes a housing defining a housing interior, a first stack of electrochemical cells disposed in the housing interior, a second stack of electrochemical cells disposed in the housing interior, and an electronics compartment disposed in the housing interior. The electronics compartment is positioned between the first stack of electrochemical cells and the second stack of electrochemical cells. Further, the electronics compartment extends along a majority of a length of the battery pack.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 21, 2024
    Inventors: Nivay Anandarajah, Evan D. Maley, Matthew I Woods, Dylan C. Erb, Abraham B. Caulk, Joseph D. Rainey, John M. Schoech
  • Patent number: 11936055
    Abstract: Battery packs according to some embodiments of the present technology may include a longitudinal beam. The packs may include a plurality of battery cells disposed adjacent the longitudinal beam. Each battery cell may be characterized by a first surface, and a second surface opposite the first surface. Each battery cell may be characterized by a third surface extending vertically between the first surface and the second surface. The first surface may face the longitudinal beam, and battery terminals may extend from the third surface. Each battery cell may be characterized by a fourth surface opposite the third surface. The packs may include a lid coupled with the first surface of each battery cell of the plurality of battery cells. The packs may include a base coupled with the second surface of each battery cell of the plurality of battery cells.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: March 19, 2024
    Assignee: Apple Inc.
    Inventors: Nivay Anandarajah, Evan D. Maley, Alexander J. Clarabut, Yu-Hung Li, John M. Schoech
  • Patent number: 11929522
    Abstract: Batteries according to embodiments of the present technology may include a housing including a first terminal disposed on a first side of the housing and a second terminal disposed on the first side of the housing. The batteries may include an electrode stack positioned within the housing. The electrode stack may include an anode current collector. The anode current collector may define an anode tab along a first side of the anode current collector, and be electrically coupled with the first terminal. The electrode stack may include a cathode current collector. The cathode current collector may define a cathode tab along a second side of the cathode current collector. The cathode tab may extend from the cathode current collector in a direction normal to a direction the anode tab extends from the anode current collector. The cathode tab may be electrically coupled with a busbar disposed within the housing.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: March 12, 2024
    Assignee: Apple Inc.
    Inventors: Christopher T. Campbell, Nivay Anandarajah, William A. Braff, Oskar Dondelewski, Russell A. McLellan
  • Patent number: 11870100
    Abstract: Batteries according to embodiments of the present technology may include a housing including a first terminal disposed on a first side of the housing and a second terminal disposed on the first side of the housing. The batteries may include an electrode stack positioned within the housing. The electrode stack may include an anode current collector. The anode current collector may define an anode tab along a first side of the anode current collector, and be electrically coupled with the first terminal. The electrode stack may include a cathode current collector. The cathode current collector may define a cathode tab along a second side of the cathode current collector. The cathode tab may extend from the cathode current collector in a direction normal to a direction the anode tab extends from the anode current collector. The cathode tab may be electrically coupled with the second terminal.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: January 9, 2024
    Assignee: Apple Inc.
    Inventors: Christopher T. Campbell, Nivay Anandarajah, William A. Braff, Oskar Dondelewski, Russell A. McLellan
  • Patent number: D1076868
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: May 27, 2025
    Assignee: Apple Inc.
    Inventors: Robert Brunner, Rhys Bonahoom, Gregoire Vandenbussche, Nivay Anandarajah, Christopher Fruhauf