Apple Inc.

Google Inc.

X Development LLC

Verily Life Sciences LLC

Apple Inc. Cupertino

Ramesh C Bhardwaj

Taisup Hwang

Richard M Mank

Tai Sup Hwang

James Etzkorn

Simon Prakash

Sheba Devan

John Raff

Russell N Mirov

Eliot Kim

Erik L Wang

Brian Otis

Sujeet Kumar

Stephen Robert McClure

Anurag Gupta

William James Biederman

Shabab Amiruddin

Bing Li

Tai Sup Huang

Taisum Hwang

Swapnil Dalavi

Example embodiments relate to multiple battery configurations for space utilization. One embodiment includes a device. The device includes a primary battery. The device also includes an auxiliary battery configured to supply auxiliary electrical power. A first surface of the auxiliary battery is positioned along a first surface of the primary battery. The auxiliary battery is a thin-film battery. The first surface of the auxiliary battery has a smaller area than the first surface of the primary battery.

Multiple battery configurations for space utilization

This disclosure relates to systems and methods for charging a battery. An example embodiment may include a battery, a battery charger device and a controller. The controller is configured to cause the battery charger device to charge the battery with a plurality of pulses and rests. Each pulse includes a respective pulse duration and a respective pulse current. Each rest includes a respective rest duration. While in a first charge phase, the controller is configured to adjust at least one of: the respective pulse duration, the respective pulse current, or the respective rest duration based on at least one sample of a characteristic voltage of the battery. Subsequently, the controller is configured to initiate a second charging phase. The controller is further configured to cause the battery charger device to charge the battery according to a second charge waveform.

Systems and methods for dynamic pulse charging

The disclosed embodiments provide a battery cell which includes a set of jelly rolls enclosed in a pouch. Each jelly roll includes layers which are wound together, including a cathode with an active coating, a separator, and an anode with an active coating. The battery cell also includes a first set of conductive tabs and a second set of conductive tabs. Each of the first set of conductive tabs is coupled to the cathode of one of the jelly rolls, and each of the second set of conductive tabs is coupled to the anode of one of the jelly rolls. At least one of the first set and one of the second set of conductive tabs extend through seals in the pouch to provide terminals for the battery cell.

Battery with multiple jelly rolls in a single pouch

The disclosure relates to pre-lithiation for batteries having silicon anodes. One example embodiment is a method. The method includes applying a voltage across an anode and a cathode of a battery during a formation charging process. The method also includes transferring lithium ions from the cathode to the anode to perform in situ pre-lithiation. A ratio of a capacity of the anode to a capacity of the cathode is less than 1.0.

Pre-lithiation for batteries having si-anodes

An example system includes an enclosure of a mobile computing device, where the enclosure includes an external surface and an internal surface. The system also includes a lithium-based battery having a plurality of battery layers deposited on the external surface of the enclosure such that the enclosure is a substrate for the plurality of battery layers. The plurality of battery layers include at least (i) a first conductive layer plated on a portion of the external surface of the enclosure, where the first conductive layer is configured as a cathode current collector of the lithium-based battery, and (ii) a second conductive layer plated on a respective portion of the external surface of the enclosure, where the second conductive layer is configured as a portion of an anode current collector of the lithium-based battery.

Solid state batteries made on a mobile computing device

The present disclosure relates to lithium-ion batteries and methods for their manufacture. Specifically, the method includes forming a cathode on a first substrate and forming an anode on a second substrate. The anode material includes silicon. The method includes slitting the first substrate and the second substrate. After slitting the respective substrates, the method includes depositing stabilized lithium metal particles on the anode and forming a cathode electrode tab coupled to the cathode and an anode electrode tab coupled to the anode. The method also includes coupling the anode and the cathode to form a layered structure. The method further includes winding the layered structure to form a rolled structure and placing the rolled structure in a container. The method additionally includes placing an electrolyte in the container sealing the container with the rolled structure and electrolyte placed therein to form a battery.

Lithium-ion cells and methods of manufacture

This disclosure relates to a battery and a method for its manufacture. An example method includes forming an anode comprising silicon monoxide and a forming a cathode comprising lithium cobalt oxide. The method also includes arranging the anode, the cathode, and a separator in a layered arrangement. The method further includes winding the layered arrangement to form a wound arrangement, compressing the wound arrangement, and packing it into a pouch. The method yet further includes soaking the wound arrangement in an electrolyte for a predetermined time and at a predetermined temperature. The electrolyte includes a lithium hexafluorophosphate salt dissolved in a solvent including ethylene carbonate and diethylene carbonate in about a 1:2 volume ratio. The additive includes fluoroethylene carbonate in an 8-12% weight ratio.

Batteries and electrolytes incorporating fluoroethylene carbonate

The disclosed embodiments provide a battery pack for use with a portable electronic device. The battery pack includes a first set of cells with different capacities electrically coupled in a parallel configuration. Cells within the first set of cells may also have different thicknesses and/or dimensions. The first set of cells is arranged within the battery pack to facilitate efficient use of space within a portable electronic device. For example, the first set of cells may be arranged to accommodate components in the portable electronic device.

Battery pack with cells of different capacities electrically coupled in parallel

An auxiliary component unit for use with a head-mounted device is disclosed. The device can have a first side arm with and an extension arm extending at least partially therealong and configured to present information to the user via a display extending therefrom, a second side arm opposite the first side arm, and an external connection feature. The auxiliary component includes a first housing containing a first electronic component therein and a first attachment member extending from the first housing and configured to removably affix the auxiliary component with a portion of the second side arm of the head-mounted device. The auxiliary component also includes a wiring component in electronic communication with the first electronic component and attachable with the external connection feature of the device.

Modular accessories for head-mountable device

This disclosure relates to a battery and a method for its manufacture. One embodiment of the battery may include a three-dimensionally structured thin film solid state battery having interdigitated cathode and anode volumes, which are separated by an electrolyte material. In an example method, a cathode current collector layer and an anode current collector layer may be formed on a substrate. The cathode current collector layer and the anode current collector layer may include a cathode current collector area and an anode current collector area, respectively. A cathode layer may be formed on the cathode current collector layer and an anode layer may be formed on the anode current collector layer. An electrolyte layer may be formed on the substrate. The electrolyte layer may include an electrolyte area, which separates the anode current collector area and the cathode current collector area.

3D-structured solid state battery

Disclosed are solid-state batteries having improved energy density and methods of manufacturing the solid-state batteries having improved energy density. In some embodiments, the solid-state battery may include a substrate of yttria-stabilized zirconia, a cathode current collector formed on the substrate, an anode current collector formed on the substrate, a cathode of lithium cobalt oxide in electrical contact with the cathode current collector, an anode of lithium in electrical contact with the anode current collector, and a solid-state electrolyte of lithium phosphorous oxynitride formed between the cathode and the anode.

Substrate for solid-state battery

In a first example, an imaging system includes a battery comprising a structural gap. The battery is configured to provide electrical power to the imaging system. The imaging system further includes an image sensor configured to sense light that passes through the structural gap. In a second example, a vehicle door includes a frame and a battery comprising a structural gap. The battery is positioned within the frame and is configured to provide electrical power to the vehicle. The vehicle door also includes a handle assembly configured to open the door. The handle assembly is positioned within the structural gap of the battery. In a third example, a loudspeaker includes a battery comprising a structural gap and an audio driver positioned within the structural gap. The battery is configured to provide electrical power to the audio driver to generate sound waves.

Battery with a structural gap

This disclosure relates to systems and methods for charging a battery. An example embodiment includes receiving information about an initial state of charge of a battery. If an initial state of charge is less than a predetermined threshold and if a charger is electrically coupled to the battery, a charger may be configured to charge the battery according to a preferred charge rate higher than a default charge rate. A charging duration is determined based on a type of the battery, the initial state of charge, a target state of charge, and the charge rate. A controller may determine a partial charge condition based on at least one of: providing electrical current to the battery at the charge rate for the charging duration or receiving information indicative of a state of charge of the battery reaching the target state of charge.

Growing community of inventors

Fremont, CA, United States of America

Ramesh C Bhardwaj