A method of manufacturing a lithium metal negative electrode, a lithium metal negative electrode manufactured thereby, and a lithium-sulfur battery including the same is disclosed. The method of manufacturing a lithium metal negative electrode includes the steps of (a) applying lithium nitride powder on at least one surface of a lithium metal layer including lithium metal; and (b) rolling the applied powder to form a lithium nitride protective layer of a powder bed on at least one surface of the lithium metal layer.

A method for using an integrated battery and device structure includes using two or more stacked electrochemical cells integrated with each other formed overlying a surface of a substrate. The two or more stacked electrochemical cells include related two or more different electrochemistries with one or more devices formed using one or more sequential deposition processes. The one or more devices are integrated with the two or more stacked electrochemical cells to form the integrated battery and device structure as a unified structure overlying the surface of the substrate. The one or more stacked electrochemical cells and the one or more devices are integrated as the unified structure using the one or more sequential deposition processes. The integrated battery and device structure is configured such that the two or more stacked electrochemical cells and one or more devices are in electrical, chemical, and thermal conduction with each other.

The present disclosure provides a method for forming a bipolar current collector. The method may include heating a first current collector material having a first melting point to form a molten metal or metal alloy and disposing the molten metal or metal alloy on one or more surfaces of a second current collector material having a second melting point greater than the first melting point to form the bipolar current collector. The molten metal or metal alloy may be disposed on the one or more surfaces of the second current collector material using a twin-roll casting method or a spraying method. The bipolar current collector may include a first current collector including the first current collector material, a second current collector including the second current collector material, and an inter-diffusion layer that connects the first current collector and the second current collector.

Technologies and techniques for the dry manufacture of an electrode. A substrate is provided, and a primer material is dispensed on the substrate to provide a primer layer on the substrate, dispensing an electrode material on the primer layer and attaching the electrode material via pressure and/or temperature to provide an electrode material layer.

An aspect of the present disclosure is a system that includes a first deposition system that includes a first cylinder having a first outer surface configured to hold a first substrate, a first spray nozzle configured to receive at least a first fluid, and a first fiber nozzle configured to receive at least a second fluid, where the first spray nozzle is configured to operate at a first voltage, the first fiber nozzle is configured to operate at a second voltage, the first cylinder is configured to be electrically connected to ground, the first spray nozzle is configured to apply onto the substrate a first plurality of at least one of particles or droplets from the first fluid, the first fiber nozzle is configured to apply onto the substrate a first fiber from the second fluid, and the first plurality of particles or droplets and the first fiber combine to form a first composite layer on the substrate.

A disclosed film electrode includes an electrode base, and an active material layer formed on the electrode base, and a resin layer adhering to at least one of a peripheral portion of the active material layer and a surface of the active material layer in a direction extending along a plane of the electrode base.

In a method of manufacturing an electrochemical cell, a porous or non-porous metal substrate may be provided. A precursor solution may be applied to a surface of the metal substrate. The precursor solution may comprise a chalcogen donor compound dissolved in a solvent. The precursor solution may be applied to the surface of the metal substrate such that the chalcogen donor compound reacts with the metal substrate and forms a conformal metal chalcogenide layer on the surface of the metal substrate. A conformal lithium metal layer may be formed on the surface of the metal substrate over the metal chalcogenide layer.

The present invention relates to a three-dimensional structure electrode, a method for manufacturing same, and an electrochemical element including the electrode. The present invention is characterized by comprising: (a) an upper conductive layer and a lower conductive layer which have a structure constituting an assembly within which a conductive material and a porous nonwoven fabric including a plurality of polymeric fibers are three-dimensionally connected in an irregular and continuous manner, thereby forming a mutually connected porous structure; and (b) an active material layer forming the same assembly structure as the conductive layers and forming a three-dimensionally filled structure in which electrode active material particles are uniformly filled inside the mutually connected porous structure formed in the assembly structure, wherein the active material layer is formed between the upper conductive layer and the lower conductive layer.

A system for forming a particle layer on a substrate may include at least one sprayer and at least two masks configured to selectively mask a substrate in a first region and second region of the substrate. The at least one sprayer may be configured to spray particles at the substrate, where the at least two masks maintain the first region and second region substantially free of the deposited material. A heater may be employed to heat the substrate as the particles are sprayed by the at least one sprayer onto the substrate.

A method of manufacturing a functional sheet according to an embodiment of the present invention, comprise powdering a filler with specific functional component and a binder, charging the filler and the binder with second polarity, spraying the binder and the filler onto an upper surface of an electrode plate charged with first polarity opposite to the second polarity, heat-treating the binder and filler, pressing an upper surface of the filler with a rolling roller, and separating the binder and the filler from the electrode plate. Therefore, the method can improve functionality while reducing harmfulness by manufacturing the functional sheet using a powdered filler and binder without using an organic solvent.