128results about "Electrolyte layer coating" patented technology

A rotatable drum is provided for supporting a substrate. The rotatable drum includes a curved drum surface for supporting the substrate. The curved drum surface includes a dielectric portion and an electrode coupled to a power source. The electrode is electrically coupled to the curved drum surface and capable of chucking and dechucking the substrate from the curved drum surface at one or more circumferential segments of the curved drum surface.

According to exemplary embodiments, a method for generating a roll map is provided. The method comprises the steps of: collecting measurement data including measurement values of an electrode sheet on the basis of a measurement signal generated by measuring the electrode sheet, the electrode sheet including a plurality of coated part lanes and a plurality of uncoated parts; and processing the measurement data such that the plurality of coated part lanes are differentiated.

The present invention relates to a method for manufacturing cells for secondary batteries, and this method is - The first operation involves rewinding the separator film (3), - A second operation involves depositing the first electrode (1) onto the separator film (3), -A third operation in which the first horizontal edge (4) and the first vertical edge (6) of the first electrode (1) are held on the separator film (3) using the first holding element (8), and the second horizontal edge (5) on the opposite side of the first horizontal edge (4) and the first vertical edge (6) of the first electrode (1) is also held using the second holding element (10), - A fourth operation involves unwinding the separator film (3) to cover the first electrode (1), Includes.

Provided are: a sheet for an electrode, the sheet comprising an active material layer precursor layer containing an inorganic solid electrolyte, an active material, and a polymer binder, wherein the active material layer precursor layer contains at most 3 mass% of the polymer binder, an exhibits a filling rate of 35-50%; a method for producing the same; an all-solid secondary battery; and methods for producing an electrode sheet and an all-solid secondary battery using said sheet for an electrode.

The invention relates to a method for manufacturing a cell of a secondary battery, comprising:-a first operation of unwinding a separator (3),-a second operation of depositing a first electrode (1) on the separator (3),-a third operation of holding a first transverse edge (4) and a first longitudinal edge (6) of the first electrode (1) on the separator (3) by means of a first holding element (8), and holding a second lateral edge (5) and a first longitudinal edge (6) opposite the first lateral edge (4) of the first electrode (1) by means of a second holding element (10), a fourth operation of unwinding the diaphragm (3) to cover the first electrode (1).

Provided is an intermediate product of a solid electrolyte. The intermediate product of a solid electrolyte may comprise: a compound in which a cation including thiophenium or thiazolium and an anion including fluorohydrogenate are bound, and a solvent in which the compound is mixed.

A cathode material 10 of the present disclosure includes a cathode active material 100, a coating layer 104 containing a first solid electrolyte 101, and coating at least part of a surface of the cathode active material 100, and a second solid electrolyte 102. The first solid electrolyte 101 contains Li, Al, and X, and does not contain Ti. X is at least one selected from the group consisting of F, Cl, Br, and I. The ratio of the volume of the first solid electrolyte 101 to the total volume of the first solid electrolyte 101 and the cathode active material 100 is greater than or equal to 1.0% and less than or equal to 16.0%.

A cathode material of the present disclosure includes a cathode active material, a coating layer containing a first solid electrolyte, and coating at least part of a surface of the cathode active material, and a second solid electrolyte. The first solid electrolyte contains Li, Al, and X, and does not contain Ti. X is at least one selected from the group consisting of F, Cl, Br, and I. The ratio of the volume of the first solid electrolyte to the total volume of the first solid electrolyte and the cathode active material is greater than or equal to 5.6% and less than or equal to 8.1%.

Disclosed are a method for producing an electrode for a galvanic cell, an electrode for a galvanic cell, a galvanic cell, and uses of the galvanic cell. The method comprises: applying a separator membrane to a planar electrode such that an intermediate space is formed between the planar electrode and the separator membrane; subsequently applying a liquid comprising a particular material to the separator membrane, wherein the liquid comprising material penetrates, by way of capillary forces, at least into the pores of the separator membrane, into the intermediate space between the planar electrode and the separator membrane and into pores of the planar electrode, wherein the liquid is subsequently evaporated. The method makes it easily and inexpensively possible to provide an electrode which exhibits a high energy density at the cell level and high chemical, electrochemical and mechanical stability, exhibits high cycle stability and allows high operating currents.

A positive electrode 10 according to the present disclosure includes a positive electrode current collector 11 and a positive electrode active material layer 12 supported on the positive electrode current collector 11. The positive electrode active material layer 12 includes a positive electrode active material and a phosphorus compound. The phosphorus compound includes a P=O bond. The positive electrode active material layer 12 is divided into a first region 12a and a second region 12b in a plane direction, a mass ratio P1 / A1 of the phosphorus compound to the positive electrode active material in the first region 12a is 0.2 mass% or more and 8 mass% or less, and a mass ratio P2 / A2 of the phosphorus compound to the positive electrode active material in the second region 12b is less than 0.2 mass%.

Disclosed is a battery manufacturing method. A first stack part (10) is formed by applying a positive active material on one of two main surfaces of a first separator sheet (2.1) and applying a negative active material on the other one of the two main surfaces of the first separator sheet. A second stack part (20) is formed by applying the positive active material onto one of two main surfaces of a second separator sheet (2.2) and applying the negative active material onto the other one of the two main surfaces of the second separator sheet. The first stack part and the second stack part are stacked upon each other with a current collector plate interposed between the first stack part and the second stack part.

The present invention relates to a method for producing a thick electrode film having a layer thickness of 100 μm or more and 600 μm or less for a secondary alkali ion energy storage device, the method comprising the steps of: a) preparing a dispersion comprising at least one solvent and solids, the dispersion having a total solids content of 40 wt. % or more and 80 wt. % or less, the solids comprising an active material, one or more conductive additives, and one or more binders, and mixing butanediol into the dispersion at a concentration of 2 wt. % or more and 10 wt. % or less, based on the total weight of the dispersion; b) coating the dispersion in a layer thickness of 200 μm or more and 1200 μm or less; and c) drying the coated dispersion to obtain an electrode film. The present invention also relates to the use of the method according to the present invention for producing an electrode film, and to an electrode film having a layer thickness of 100 μm or more and 600 μm or less, and having a specific composition.

A cathode material of the present disclosure includes a cathode active material, a coating layer containing a first solid electrolyte, and coating at least part of a surface of the cathode active material, and a second solid electrolyte. The first solid electrolyte contains Li, Al, and X, and does not contain Ti. X is at least one selected from the group consisting of F, Cl, Br, and I. The ratio of the volume of the first solid electrolyte to the total volume of the first solid electrolyte and the second solid electrolyte is greater than or equal to 5.1% and less than or equal to 12.0%.

Provided are a method for dry-manufacturing an electrode for an all-solid state battery, an electrode free standing membrane prepared through the manufacturing method, an electrode, and an all-solid state battery including the same. This dry process eliminates solvents, making it environmentally friendly and efficient. The method involves forming an electrode active material complex by mixing the active material with a solid electrolyte, combining it with a conductive material and binder, and then rolling the mixture into an electrode film. The film is bonded to a current collector, ensuring strong adhesion and mechanical stability. The free-standing membrane enhances ion and electron conductivity, improving overall battery performance. The resulting all-solid-state battery offers higher energy density, longer cycle life, and increased safety, making it well-suited for electric vehicles, portable electronics, and advanced energy storage applications.

The invention relates to the technical field of negative-electrode-free batteries, in particular to a negative-electrode-free composite all-solid-state battery and a preparation method thereof.The preparation method comprises the steps that a negative electrode current collector is modified, and target metal is adopted for modification so as to improve the lithium-loving characteristic or the sodium-loving characteristic; the first solid electrolyte layer is formed on the modified negative electrode current collector; the second solid electrolyte layer is coated on the first solid electrolyte layer; and the positive electrode material layer is formed on the second solid electrolyte layer through magnetron sputtering. In order to solve the problem of poor interface bonding between a negative current collector and a solid electrolyte of a negative-electrode-free solid-state battery in the prior art, in the embodiment, the negative current collector is modified so as to improve the lithium-loving / sodium-loving characteristic of the surface of the current collector, and then a compact first solid electrolyte layer is formed through magnetron sputtering, so that the lithium-loving / sodium-loving characteristic of the surface of the current collector is improved. Therefore, the heterogeneous materials can be tightly combined, and then the complete solid electrolyte is formed in a coating mode to avoid the interface problem, so that the yield of the battery is improved.

In one aspect, the present invention provides a primer layer composition that is excellent in initial peel strength, hydrofluoric acid resistance, electrolyte resistance, and the like, as well as in formability, and a secondary battery pouch film using the same. [Solution] A primer layer composition for a secondary battery pouch film, which is sandwiched between a metal layer and a melt-extruded resin layer or a sealant layer of a secondary battery pouch film, the primer layer composition being formed from an organic solvent-based emulsion composition, the organic solvent-based emulsion composition being a two-component curing type containing an acid-modified polypropylene and a curing agent, having a curing initiation temperature of 150°C or less, and being dried at 150°C or less.

Regarding the related art, it has been desired that a reaction overvoltage of a battery is suppressed from increasing. A positive electrode material according to the present disclosure includes a positive electrode active material, a cover layer that covers at least part of a surface of the positive electrode active material and that contains a first solid electrolyte material, and a second solid electrolyte material that is a material different from the first solid electrolyte material. The first solid electrolyte material contains Li, M, and X and does not contain sulfur. M represents at least one element selected from the group consisting of metal elements other than Li and semi-metal elements, and X represents halogen elements including CI.

This application provides a solid electrolyte, a preparation method thereof, a secondary battery, a battery module, a battery pack, and an electric apparatus. The solid electrolyte includes a compact layer and a porous layer located on at least one side of the compact layer, where a porosity of the porous layer is greater than a porosity of the compact layer. The porous layer helps to improve the wettability of an interface between the solid electrolyte and a positive electrode plate / negative electrode plate, and also facilitates filling of positive and negative electrode active substances into pores, thereby reducing interface resistance of a battery and improving rate performance and low-temperature performance of the battery.

Embodiments of the present disclosure include an anode for a battery including a substrate, a metal film on the substrate, and a film stack on the metal film. The membrane stack includes a lithium carbonate membrane and a lithium halide membrane on the lithium carbonate membrane. The lithium carbonate film is located on the metal film.

According to one aspect, a feedstock for fabricating an iron electrode of an electrochemical cell may include iron-containing particles of a first material, sulfide-containing particles of a second material different from the first material, and a barrier material different from each of the first material and the second material, the barrier material at least partially physically separating the sulfide-containing particles from the iron particles, the at least partial physical separation of the iron-containing particles from the sulfide-containing particles maintainable by the barrier material at temperatures at which iron in the iron-containing particles bonds in the solid state.

A main object of the present disclosure is to provide a cathode active material capable of suppressing the reaction with a solid electrolyte. The present disclosure achieves the object by providing a coated cathode active material comprising: a cathode active material, and a coating portion coating at least a part of a surface of the cathode active material, and the coating portion includes a scandium lithium phosphate based compound or a lithium borate based compound.

Embodiments of the present disclosure include an anode for a battery including a substrate, a metal film disposed on the substrate, and a film stack disposed on the metal film. The film stack includes a lithium carbonate film and a lithium halide film disposed on the lithium carbonate. The lithium carbonate film is disposed on the metal film.

A method and apparatus for forming a lithium metal anode device stack are provided. The lithium metal is manufactured using a plastic-containing substrate on which a release layer is formed. A solid electrolyte is deposited on the release layer using a non-vacuum coating technique. The remainder of the device stack is deposited in a vacuum chamber and then laminated onto a current collector to form the anode stack.

A cathode material can include a substrate including an active cathode material and a coating overlying at least a portion of the substrate. The coating material may include CFx and M2CO3, wherein M may include an alkali metal. In a particular embodiment, the coating may include MF. In another particular embodiment, M may include Li.

Battery component structures and manufacturing methods for solid-state battery cells include a unitary Li ion conducting sulfide glass solid electrolyte structure that serves as the basic building block around which a solid-state battery cell can be fabricated. The unitary glass structure approach can leverage precision controlled high throughput processes from the semiconductor industry that have been inventively modified as disclosed herein for processing a sulfide glass solid electrolyte substrate into a unitary Li ion conducting glass structure, for example, by using etching and lithographic photoresist formulations and methods. The glass substrate may be precision engineered to effectuate a dense glass portion and a porous glass portion that can be characterized as sublayers having predetermined thicknesses. The porous glass sublayer includes a plurality of discrete substantially vertical closed-end holes or trenches that are precision engineered into one or both major substrate surfaces using microfabrication processes.

This invention provides a method for manufacturing a sheet for an all-solid-state secondary battery, a method for manufacturing an all-solid-state secondary battery manufactured by the method, and the sheet for an all-solid-state secondary battery and the all-solid-state secondary battery. In the method for manufacturing the sheet for the all-solid-state secondary battery, an inorganic solid electrolyte composition containing an inorganic solid electrolyte and a dispersion medium is coated onto a substrate to form a film. Either or both of the preparation temperature of the inorganic solid electrolyte composition and the temperature before coating are set to 35-90°C.

A manufacturing method and manufacturing apparatus are provided that are capable of manufacturing a membrane electrode assembly with improved performance. [Solution] The method for manufacturing a membrane electrode assembly includes a coating step of coating a catalyst ink 34 onto a first surface 12a of a polymer electrolyte membrane 12, and a drying step of drying the coated catalyst ink 34. The coating step is carried out while a second surface 12b of the polymer electrolyte membrane 12 opposite to the first surface 12a is in contact with a swelling solvent 32 that swells the polymer electrolyte membrane 12.

The invention relates to a method for forming a metal layer (i.e., a metal electric current conductor) on the surface of a solid ion-conducting substrate (for example, a lithium-ion secondary battery or a sodium-ion secondary battery), to a substrate which can be produced using the method, and to an anode-free battery. The method according to the invention allows parts of solid-state electrolyte batteries (e.g., the anode side of a solid-state electrolyte battery) to be provided in an industrially relevant scale in a quick, simple, and inexpensive manner, said parts being characterized by a homogenous electric current density and a suitability for high maximum charge and discharge currents.

The present invention provides: an all-solid-state lithium-ion secondary battery comprising a positive electrode layer, a solid-state electrolyte layer, and a negative electrode layer that are arranged in that order, the solid-state electrolyte layer including a non-crystalline solid-state electrolyte that includes a lithium-containing oxide that includes Li, B, and O, and a lithium salt, the ratio of the lithium salt content to the lithium-containing oxide content in the non-crystalline solid-state electrolyte being 0.001–1.5 in a molar ratio, and moisture that is included in a laminated body composed of a positive electrode active material layer, the solid-state electrolyte layer, and a negative electrode active material layer being in a specific state; and a method for manufacturing the same.