H01M50/1243

SHEET-TYPE CELL AND METHOD FOR MANUFACTURING SAME
20220149479 · 2022-05-12 · ·

A sheet-type cell disclosed in this application includes an outer case and a power generation element contained in the outer case. The power generation element includes a positive electrode, a negative electrode, a separator, and an electrolyte solution. The separator is constituted by a porous resin sheet. The outer case includes a first outer case member and a second outer case member. Each outer case member includes a thermally fusible resin layer. The first outer case member and the second outer case member are disposed on respective opposite sides of the power generation element. A periphery of the first outer case member and a periphery of the second outer case member are sealed by thermally welding, with a periphery of the separator interposed between the peripheries of the first and second outer case members.

ELECTRICAL HOUSING
20220149464 · 2022-05-12 ·

A housing for an electrical device such as a battery includes a casing with opposing ends. The casing is made of a composite material such that the housed device is surrounded by composite walls containing intumescent material which protects the outer composite materials from high temperatures generated inside the housing. An end cap is provided having a sandwich structure with a core, configured to evenly distribute compressive pre-load across a battery stack in the housing. A height adjustable end cap is also provided.

BATTERY, BATTERY PACK, ELECTRONIC DEVICE, ELECTRIC VEHICLE, POWER STORAGE APPARATUS, AND POWER SYSTEM
20220149457 · 2022-05-12 ·

A battery includes an electrode body and an exterior member that accommodates the electrode body. At least a part of the exterior member is covered with an insulating member, and the insulating member has a multi-layer structure. A side of the insulating member in contact with the exterior member is defined as an inner layer and a side of the insulating member opposite to the inner layer is defined as an outer layer. An innermost layer of the insulating member includes a nonflammable gas generating member that generates nonflammable gas at high temperature, and an outermost layer of the insulating member includes an insulating resin layer.

Sheet-type cell and patch

Provided is a sheet-type cell with excellent reliability. The sheet-type cell of the present invention includes power generation elements, including a positive electrode, a negative electrode, a separator, and an electrolyte solution, and a sheet-type outer case made of a resin film in which the power generation elements are contained. The electrolyte solution is an aqueous electrolyte solution. The resin film has an electrically insulating moisture barrier layer. The sheet-type cell is a primary cell. The moisture barrier layer of the resin film is preferably composed of at least an inorganic oxide. The pH of the electrolyte solution is preferably 3 or more and less than 12.

Laminate sheet for battery cases having thickness deviation and pouch-shaped battery case manufactured using the same
11322788 · 2022-05-03 · ·

Disclosed are a laminate sheet for battery cases with improved formability, the laminate sheet for battery cases including, as a preliminary recess portion configured to receive an electrode assembly, a preliminary bottom portion and a preliminary sidewall portion constituting the side surface of the preliminary recess portion, wherein a preliminary sealing portion is located at an outer edge extending from the preliminary sidewall portion, and the thickness of the preliminary sidewall portion is formed so as to be larger than the thickness of the preliminary bottom portion, a pouch-shaped battery case manufactured by forming the laminate sheet, and a battery pack including the pouch-shaped battery case.

COMPOSITION FOR ADHESIVES, OUTER PACKAGE MATERIAL FOR ELECTRICITY STORAGE DEVICES, AND METHOD FOR PRODUCING SAME

Provided are an outer package material that is for electricity storage devices such as batteries and has such a sufficient anti-electrolytic solution property that the time-dependent reduction of the adhesive strength between a metal foil layer and a sealant layer by an electrolytic solution is suppressed over a long time and a composition for adhesives for giving the outer package material. In an outer package material that is for electricity storage devices and has a structure in which at least a base material layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and a sealant layer are stacked in sequence, a composition containing an isocyanato group and a (meth) acryloyl group and further containing an acid-modified polyolefin (component 1), an active energy ray polymerization initiator (component 3), and a solvent (component 4) is used as a composition for adhesives to form the second adhesive layer.

Water activated battery
11721815 · 2023-08-08 · ·

A battery includes a battery casing defining a chamber therein, and an electrolyte powder disposed in the chamber. The electrolyte powder is configured to surround a zinc material that is separated from the electrolyte powder by a permeable separator sheet. The battery also includes a conductive member having a first end configured for electrical communication with an anode terminal of the battery, and, a second end configured for electrical communication with the zinc material. A conductive layer is also disposed between an inner surface of the casing and the electrolyte powder, the conductive layer being configured for electrical communication with a cathode terminal of the battery. There is also a liquid release mechanism configured for allowing release of a liquid in the chamber to activate an ion flow between the electrolyte powder and the zinc material via the permeable separator sheet.

Battery and process for producing a battery

A method for producing a battery includes providing a cup-shaped first housing part having a bottom and a side wall, the bottom and the side wall each having an inside and an outside. The method further includes covering the inside of the bottom of the first housing part with an electrically conductive covering, electrically connecting the electrically conductive covering to the bottom of the first housing part by welding, electrically connecting an electric conductor to the electrically conductive covering by welding, and assembling the first housing part and a second housing part to form a housing of the battery, the housing enclosing an interior space that includes a composite body therein. The composite body includes a positive electrode, a negative electrode, a separator, and the electric conductor. The inside of the bottom and the inside of the side wall of the first housing part face the interior space.

ADHESIVE FILM FOR METAL TERMINAL OF ALL-SOLID-STATE BATTERY, METAL TERMINAL WITH ADHESIVE FILM FOR METAL TERMINAL ATTACHED THERETO, ALL-SOLID-STATE BATTERY COMPRISING ADHESIVE FILM FOR METAL TERMINAL, AND METHOD FOR PRODUCING ALL-SOLID-STATE BATTERY

An adhesive film for a metal terminal of an all-solid-state battery effectively inhibits hydrogen sulfide generated inside an all-solid-state battery containing a sulfide solid electrolyte material from leaking outside. An adhesive film for a metal terminal of an all-solid-state battery, which is to be interposed between a metal terminal electrically connected to an electrode of a battery element and an all-solid-state battery packaging material for sealing the battery element, wherein the all-solid-state battery includes a sulfide solid electrolyte material, the adhesive film for a metal terminal includes at least one resin layer, and the resin constituting the resin layer has a hydrogen sulfide transmission amount of 1.0×10.sup.−9 cc.Math.mm/cm.sup.2.Math.sec.Math.cmHg or less.

BATTERY FOR AN AIRCRAFT

A battery for an aircraft. The present embodiments further relate to an aircraft with at least one such battery. The battery may include a battery casing with a casing wall that forms an interior volume, a plurality of battery cells that is arranged in the interior volume, and a functional layer that is arranged at the casing wall between the plurality of battery cells and the battery casing. The functional layer may include an intumescent material that, in case of a breach of the battery casing, is adapted to ensuring flame containment within the interior volume and mitigation of uncontrolled heat and gas emission from the interior volume through the breach of the battery casing.