Enovix Corporation

American Lithium Energy Corporation

Enovix Operations Inc.

Robert M Spotnitz

Murali Ramasubramanian

Ashok Lahiri

Harrold Jones Rust, Iii

James D Wilcox

Nirav S Shah

Laurie Jane Lauchlan

Brian E Brusca

Michael J Armstrong

Gunther A Koblmiller

Christopher G Castledine

Robert A Cole

Vladimir K Dioumaev

Robert S Busacca

Robert Keith Rosen

Bruno A Valdes

Ken S Matsubayashi

Venkat Narayan Srinivasan

Christopher J Spindt

Jiang Fan

Kim Han Lee

Richard J Contreras

Neelam Singh

Daniel J Noelle

Jonathan C Doan

David T Fouchard

Aditya Mandalam

John S Thorne

Kang Yao

Christopher Castledine, Iii

Ashok Lahiiri

Harold J Rust, Iii

Rajeswari Chandrasekaran

Brett Kiger

Spencer Gore

Ilya Dvoiris

James Moody

Harrold Jones Rust Iii

Harold J Rust Iii

Harrold J Rust Iii

A method includes stacking unit cells in a stacking direction. Each unit cell includes an electrode structure, a separator structure, and a counter-electrode structure. The electrode structure includes an electrode current collector and an electrode active material layer, and the counter-electrode structure includes a counter-electrode current collector and a counter-electrode active material layer. The electrode and counter-electrode structures extend in a longitudinal direction perpendicular to the stacking direction, and an end portion of the electrode current collector extends past the electrode active material and the separator structure in the longitudinal direction. The end portion of each electrode current collector is bent in a direction orthogonal to the longitudinal direction, an electrode busbar is positioned extending in the stacking direction with a surface adjacent the end portions, and heat and pressure are applied to the electrode busbar to adhere the end portions to the busbar through an adhesive layer.

Electrode assemblies including current limiters

Various three-dimensional battery structures are disclosed, in certain embodiments comprising a battery enclosure and a first plurality of electrodes within the enclosure. The first plurality of electrodes includes a plurality of cathodes and a plurality of anodes. The first plurality of electrodes includes a second plurality of electrodes selected from the first plurality of electrodes. The three-dimensional battery includes a first structural layer within the battery enclosure. Each of the second plurality of electrodes protrudes from the first structural layer. The three-dimensional battery includes a plurality of electrical current-reducing devices within the enclosure. Each of the second plurality of electrodes is coupled to one of the plurality of current-reducing devices.

Three-dimensional battery having current-reducing devices corresponding to electrodes

An electrode structure for use in an energy storage device, the electrode structure comprising a population of electrodes, a population of counter-electrodes and an electrically insulating material layer separating members of the electrode population from members of the counter-electrode population, each member of the electrode population having a longitudinal axis Athat is surrounded by the electrically insulating separator layer.

Separators for three-dimensional batteries

An electrode structure for use in an energy storage device comprising a population of electrodes, a population of counter-electrodes and a microporous separator separating members of the electrode population from members of the counter-electrode population. Each member of the electrode population comprises an electrode active material layer and an electrode current conductor layer, and each member of the electrode population has a bottom, a top, a length L, a width Wand a height H, wherein the ratio of Lto each of Wand His at least 5:1, the ratio of Hto Wis between 0.4:1 and 1000:1, and the electrode current collector layer of each member of the electrode population has a length Lthat is measured in the same direction as and is at least 50% of length L.

Electrode structures for three-dimensional batteries

A method is provided for activating a secondary battery having a negative electrode, a positive electrode, and a microporous separator between the negative and positive electrodes permeated with carrier-ion containing electrolyte, the negative electrode having anodically active silicon or an alloy thereof. The method includes transferring carrier ions from the positive electrode to the negative electrode to at least partially charge the secondary battery, and transferring carrier ions from an auxiliary electrode to the positive electrode, to provide the secondary battery with a positive electrode end of discharge voltage Vand a negative electrode end of discharge so voltage Vwhen the cell is at a predefined Vvalue, the value of Vcorresponding to a voltage at which the state of charge of the positive electrode is at least 95% of its coulombic capacity and Vis at least 0.4 V (vs Li) but less than 0.9 V (vs Li).

Replenished negative electrodes for secondary batteries

A battery pack having a population of secondary battery cells chargeable between a charged state and a discharged state, and a frame to hold secondary battery cells in the battery pack is provided, members of the population of secondary battery cells having an electrode assembly comprising a substantially polyhedral shape, and where the frame holds a cell array comprising a subset of the population of secondary batteries that are arranged adjacent to one another. A sealed secondary battery cell, electrode assembly, and methods of charging are also described.

Electrode assembly, sealed secondary battery cell, battery pack and methods

Electrode assemblies including current limiters and methods of assembling such electrode assemblies

A structure for use in an energy storage device, the structure comprising a backbone system extending generally perpendicularly from a reference plane, and a population of microstructured anodically active material layers supported by the lateral surfaces of the backbones, each of the microstructured anodically active material layers having a void volume fraction of at least 0.1 and a thickness of at least 1 micrometer.

Electrode structures

Various methods and apparatus relating to three-dimensional battery structures and methods of manufacturing them are disclosed and claimed. In certain embodiments, a three-dimensional battery comprises a battery enclosure, and a first structural layer within the battery enclosure, where the first structural layer has a first surface, and a first plurality of conductive protrusions extend from the first surface. A first plurality of electrodes is located within the battery enclosure, where the first plurality of electrodes includes a plurality of cathodes and a plurality of anodes, and wherein the first plurality of electrodes includes a second plurality of electrodes selected from the first plurality of electrodes, each of the second plurality of electrodes being in contact with the outer surface of one of said first plurality of conductive protrusions. Some embodiments relate to processes of manufacturing energy storage devices with or without the use of a backbone structure or layer.

Three-dimensional batteries and methods of manufacturing the same

An electrochemical stack comprising carrier ions, an anode comprising an anode active material layer, a cathode comprising a cathode active material layer, a separator between the anode and the cathode comprising a porous dielectric material and a non-aqueous electrolyte, and an ionically permeable conductor layer located between the separator and an electrode active material layer.

Ionically permeable structures for energy storage devices

Growing community of inventors

Pleasanton, CA, United States of America

Robert M Spotnitz