H01M4/664

Hybrid solid-state cell with a sealed anode structure
11165101 · 2021-11-02 · ·

A monolithic ceramic electrochemical cell housing is provided. The housing includes two or more electrochemical sub cell housings. Each of the electrochemical sub cell housing includes an anode receptive space, a cathode receptive space, a separator between the anode receptive space and the cathode receptive space, and integrated electron conductive circuits. A first integrated electron conductive circuit is configured as an anode current collector within the anode receptive space. A second integrated electron conductive circuit is disposed as a cathode current collector within the cathode receptive space.

Electrode plate, electrochemical apparatus, battery module, battery pack, and device

This application relates to an electrode plate that includes a current collector and an electrode active material layer disposed on at least one surface of the current collector. The current collector includes a support layer and a conductive layer disposed on at least one surface of the support layer. A single-side thickness D2 of the conductive layer satisfies 30 nm≤D2≤3 μm. The electrode active material layer includes an electrode active material, a binder, and a conductive agent unevenly distributed in a thickness direction of the electrode active material layer. A weight percentage of the conductive agent in an interior area of the electrode active material layer is higher than that in an exterior area of the electrode active material layer.

Secondary battery positive electrode and secondary battery

This positive electrode includes a current collector, an intermediate layer which is formed at least on one surface of the current collector, and a composite material layer which is formed on the intermediate layer. The intermediate layer includes metal compound particles, a conductive material, and a binding material. The metal compound particles comprise at least one selected from a sulfated oxide, hydroxide, or oxide of alkali earth metal or alkali metal.

Electrically conductive element

A microelectronic device is provided, including: a support; and an electrically conductive element including in a stack and successively above a first face of the support, a first layer based on a metal and a second layer, in contact with the first layer, based on a material selected from among MoSi and WSi.sub.y. A method for manufacturing the microelectronic device is also provided.

Positive electrode current collector, positive electrode piece, electrochemical device and apparatus

A positive electrode current collector, a positive electrode piece, an electrochemical device and an apparatus, where the positive electrode current collector includes a support layer and a conductive layer provided on the support layer, where a material of the conductive layer is aluminum or aluminum alloy, and a thickness D.sub.1 of the conductive layer is 300 nm≤D.sub.1≤2 μm; an elongation at break B of the support layer is 10,000%≥B≥12%, and a volume resistivity of the support layer is greater than or equal to 1.0×10.sup.−5 Ω.Math.m; when a tensile strain of the positive electrode current collector is 2%, a square resistance growth rate T.sub.1 of the conductive layer is T.sub.1≤10%. The positive electrode current collector provided in the present application can simultaneously take into account both high safety performance and electrical performance.

Method of insulating lithium ion electrochemical cell components with metal oxide coatings

Disclosed is a method for making a lithium-ion cell by depositing from an atmospheric plasma deposition device inorganic oxide particles produced from a precursor in an atmospheric plasma as a coating on a surface of a lithium-ion electrochemical cell component. The coating formed by the inorganic oxide particles may be an insulating coating or may provide dimensional stability during a thermal runaway.

Anodes for lithium-based energy storage devices, and methods for making same

An anode for an energy storage device includes a current collector having a metal oxide layer. A continuous porous lithium storage layer overlays the metal oxide layer, and a first supplemental layer overlays the continuous porous lithium storage layer. The first supplemental layer includes silicon nitride, silicon dioxide, or silicon oxynitride. The anode may further include a second supplemental layer overlaying the first supplemental layer. The second supplemental layer has a composition different from the first supplemental layer and may include silicon dioxide, silicon nitride, silicon oxynitride, or a metal compound.

MULTILAYER ANODES FOR LITHIUM-BASED ENERGY STORAGE DEVICES

A method of making an anode for an energy storage device such as a lithium-ion energy storage device is disclosed. The method may include depositing a first lithium storage layer over a current collector by a first CVD process. The current collector may include a metal oxide layer, and the first lithium storage layer is deposited onto the metal oxide layer. The method may also include forming a first intermediate layer over at least a portion of the first lithium storage layer. The method may further include depositing a second lithium storage layer over the first intermediate layer by a second CVD process. At least the first lithium storage layer may be a continuous porous lithium storage layer having a total content of silicon, germanium, or a combination thereof, of at least 40 atomic %.

Three-dimensional lattice batteries via additive manufacturing

Provided here is a method of manufacturing a lattice electrode useful in an energy storage device such as a battery or capacitor. A lattice electrode useful in an energy storage device such as a battery or capacitor also is provided, along with energy storage devices such as batteries or capacitors.

HYBRID SOLID-STATE CELL WITH A 3D POROUS CATHODE STRUCTURE
20230352741 · 2023-11-02 · ·

A solid-state electrochemical cell is provided including a first electrode connected to a first current collector, a second electrode connected to a second current collector, a separator interconnecting the first electrode and the second electrode, the separator including a solid-state electrolyte, first oriented pores including a first electrode material formed in the first electrode, and second oriented pores including a second electrode material formed in the second electrode, wherein at least one of the first oriented pores and the second oriented pores includes an electronically conducting network extending on sidewall surfaces thereof from a corresponding one of the first and second current collectors to the electrolyte separator. The second electrode includes a filling aperture including a seal configured to isolate the first electrode from cathode material in the second electrode.