Apple Inc.

Other

William A Braff

Brandon Pierquet

Nivay Anandarajah

Steven Kaye

Christopher T Campbell

Philip Juang

Christopher D Laws

Giridhar N Murching

Oskar Dondelewski

Alexander A Gorer

Cory R O'Neill

Russell A McLellan

Ghyrn E Loveness

Maria N Luckyanova

A system includes a first bus, a second bus, a first battery that includes a first plurality of cells, and a second battery that includes a second plurality of cells, wherein the second battery is connected to the second bus. A first converter connects the first battery to the first bus. A second converter connects the first bus to the second bus. A controller is configured to control operation of the first converter and the second converter.

Battery system

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.

Battery cells with tabs at right angles

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.

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.

Energy storage devices, battery cells, and rechargeable batteries of the present technology may include an anode and a cathode. The battery cells may include a separator positioned between the anode and the cathode. The battery cells may include an electrolyte incorporated with the anode and the cathode. The battery cells may also include a pseudo-reference electrode at least partially in contact with the electrolyte. The pseudo-reference electrode may be positioned between layers of the separator.

Rechargeable battery with pseudo-reference electrode

A system includes a first bus, a second bus, a first battery that includes a first plurality of cells, and a second battery that includes a second plurality of cells, wherein the second battery is connected to the second bus. A first converter connects the high-voltage battery to the first bus. A second converter connects the first bus to the second bus. A controller is configured to control operation of the first converter and the second converter.

Energy storage devices, battery cells, and rechargeable batteries of the present technology may include an anode and a cathode. The battery cells may include a separator positioned between the anode and the cathode. The battery cells may include an electrolyte incorporated with the anode and the cathode. The battery cells may also include a pseudo-reference electrode at least partially in contact with the electrolyte. The pseudo-reference electrode may be electrically isolated from the anode and the cathode.

Batteries are described that include a cathode material, and anode material, and a polymeric material that separates the cathode material from the anode material. The polymeric material has hydroxide ion conductivity of at least about 50 mS/cm, and a diffusion ration of hydroxide ions to at least one type of metal ion of at least about 10:1. Also described are methods of making a battery that include forming a layer of polymeric material between a first electrode and second electrode of the battery. In additional methods, the polymeric material is coated on at least one of the electrodes of the battery. In further methods, the polymeric material is admixed with at least one of the electrode materials to make a composite electrode material that is incorporated into the electrode.

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Palo Alto, CA, United States of America

William A Braff