Alerta

Hypogeal Battery Using Sandy Al-Ion Rechargeable Cells

Absstract of: US20260100423A1

A method and apparatus for storing electrical energy using ensemble electrochemical cells each comprising a cylindrical exterior container, a coiled anodic aluminum wire, carbon graphite cathode, a sandy electrolyte medium, and an ionic electrolyte based on a compound mixture of urea, sea-salt, and water. The invention teaches the use of inexpensive materials and simple assembling of sandy rechargeable cells into a hypogeal battery.

METHOD FOR SYNTHESIZING RGO-COATED SILICON-LITHIUM TITANIUM OXIDE COMPOSITE FOR IMPROVING LITHIUM-ION BATTERY EFFICIENCY

Absstract of: WO2026075289A1

Disclosed is a method for synthesizing a reduced graphene oxide (rGO)-coated silicon-lithium titanium oxide composite for improving lithium-ion battery efficiency, wherein in order to alleviate volume expansion of Si and improve electrochemical performance, Si particles are uniformly embedded in lithium titanium oxide (LTO) and rGO is applied on the LTO by spray drying to synthesize a rGO@SLTO composite. A method for synthesizing a rGO-coated silicon-lithium titanium oxide composite for improving lithium-ion battery efficiency according to the present invention comprises: a first step for uniformly mixing Si powder and lithium titanium oxide powder by ball milling; a second step for treating the mixture of the first step by chemical vapor deposition to prepare silicon lithium titanium oxide (SLTO); a third step for synthesizing graphite into graphene oxide (GO) by the Hummers method; and a fourth step for mixing the GO with the SLTO, and then producing a rGO@SLTO composite by spray drying and chemical vapor deposition.

BATTERY MANAGEMENT SYSTEM, BATTERY DEVICE INCLUDING SAME, AND WIRELESS UPDATE METHOD

Absstract of: WO2026075347A1

This master battery management system allocates a downlink time slot to the master battery management system and allocates a plurality of uplink time slots to each slave battery management system in an operation mode for monitoring a plurality of battery modules. The master battery management system allocates some of the plurality of uplink time slots allocated in the operation mode to downlink time slots in a wireless update mode for wireless update of software.

PHYSICAL SECONDARY BATTERY

Absstract of: WO2026075046A1

A physical secondary battery (100) comprises: a first electrode (10); a second electrode (20); a p-type semiconductor layer (30) provided between the first electrode (10) and the second electrode (20); an n-type semiconductor layer (80) that is provided between the p-type semiconductor layer (30) and the second electrode (20) and that has a thinner film thickness than that of the p-type semiconductor layer (30); and a dielectric layer (90) provided between the p-type semiconductor layer (30) and the n-type semiconductor layer (80), the p-type semiconductor layer (30) having a film thickness of 100 nm or less.

INTERCONNECTION STRUCTURE BETWEEN STACKS AND PROTECTOR

Absstract of: US20260100484A1

0000 An interconnection structure between stacks includes a first terminal electrically connectable to the connection terminal of the first battery stack, a second terminal electrically connectable to the connection terminal of the second battery stack, a protector formed in a hollow shape, and an electric wire having one end side connected to the first terminal and another end side connected to the second terminal, the electric wire being inserted into the protector. The protector includes a hinge portion bendable in a prescribed direction, and is switchable between a first state for connecting the connection terminals to each other and a second state in which the protector is bent in the prescribed direction using the hinge portion from the first state.

ELECTRICITY STORAGE DEVICE

Absstract of: US20260100456A1

The present disclosure provides an electricity storage device that includes a case and an electrode assembly accommodated in the case. The case includes a case body having an opening surrounded by side walls including a pair of first walls, and a lid configured to seal the opening. The electrode assembly includes a laminated part formed by laminating a positive electrode and a negative electrode in an insulated state in a direction toward the lid. The lid includes a base part and a pair of first bent parts extending from the base part along the pair of first walls of the case body, the pair of first bent parts facing each other. At least one of the pair of first bent parts is joined to at least one of the pair of first walls of the case body via a first welding joining part.

SECONDARY BATTERY AND BATTERY MODULE INCLUDING THE SAME

Absstract of: US20260100474A1

0000 A secondary battery, including an electrode assembly, a case accommodating the electrode assembly, and a vent in the case, the vent being deformable by a first operating pressure and rupturable by a second operating pressure greater than the first operating pressure.

ELECTROCHEMICAL REACTOR AND METHOD FOR PRODUCING ELECTROCHEMICAL REACTOR

Absstract of: WO2026074233A1

The invention relates to an electrochemical reactor for a hybrid redox flow battery, comprising at least one cell (1). The cell (1) comprises an electrode support (11), a first electrode (12) supported by the electrode support (11), a first flow divider (13), a membrane (14) arranged in the first flow divider (13), a second flow divider (15), a second electrode (16) arranged in the second flow divider (15), a first gasket (17) arranged between the electrode support (11) and the first flow divider (13) for creating a fluid-tight seal, the first gasket (17) being screen printed, a second gasket (18) arranged between the first flow divider (13) and the second flow divider (15) for creating a fluid-tight seal, the second gasket (18) being screen printed. The invention also relates to a method for producing an electrochemical reactor.

METHOD FOR MANUFACTURING MANGANESE SULPHATE COMPONENT, APPARATUS FOR MANUFACTURING MANGANESE AND ZINC SULPHATE COMPONENTS, SULPHATE COMPONENT COMBINATION AND USES

Absstract of: WO2026074234A1

The object of the invention is a method, to manufacture a manganese sulphate component from the black mass material (11) of used alkalin batteries (11'). The method comprises a first acid dissolution (201) carried out on the black mass material in the presence of water (12) and sulphuric acid (13) to dissolve zinc (20), potassium (30) and chlorine (35) from the black mass material into a zinc sulphate component (16); a first filtration (202) to separate the zinc sulphate component from a manganese component (15) remaining from the first acid dissolution; a second, acid dissolution (301) carried out on the manganese component in the presence of purified, water ( 12'), sulphuric acid and at least one reducing agent (14) to form a suspension (41) from the manganese component; a second filtration (302) to remove an insoluble solid, matter (26), such as, for example, graphite (27), carbon black (28) and plastic (29), from the suspension to form a process solution (17); a sulphide precipitation (105, 303) and at least one subsequent separation step (106, 304) to remove zinc (46) and copper (21) from the process solution formed, after which the manganese sulphate component (24) formed is suitable for use as a fertiliser (24.1) or as a fertiliser component in agriculture, or as an industrial raw material ( 24.2). In addition, the object of the invention is also an apparatus for manufacturing manganese and zinc sulphate components, a sulphate component combination and uses.

ELECTRODE LAYERED BODY, METHOD FOR MANUFACTURING SAME, AND ELECTROCHEMICAL ELEMENT

Absstract of: WO2026075179A1

Provided are: an electrochemical element with superior reliability and productivity; an electrode layered body for forming the electrochemical element; and a method for manufacturing the electrode layered body.　The electrode layered body is characterized in that: a first electrode, a second electrode, and an isolation layer interposed between the first electrode and the second electrode are layered; at least one of the first electrode and the second electrode has an electrode mixture layer obtained by pressure-molding a powdery electrode mixture, and a sheet-like porous metal substrate; and at least one of the first electrode and the second electrode has the following shape (A).　Shape (A): In a cross-section in the thickness direction of the electrode, when a portion equivalent to 15% of the length which is from an outer peripheral end of the electrode and which is the length in a direction orthogonal to the thickness direction, is defined as a peripheral edge portion, the thickness at the outer peripheral end of the electrode is thicker by 20 μm or more than the average thickness of the electrode at locations other than the peripheral edge portion.

ALL-SOLID-STATE BATTERY

Absstract of: WO2026075315A1

The present invention relates to an all-solid-state battery and, more specifically, to an all-solid-state battery comprising: a first electrode including a first substrate and a first mixture layer formed on the first substrate; a second electrode including a second substrate and a second mixture layer formed on the second substrate; a solid electrolyte layer positioned between the first electrode and the second electrode; and an inert member, wherein the first substrate includes a first tab part protruding in a second direction, and the inert member includes: a gasket surrounding the side surface of the first mixture layer and the side surface of the solid electrolyte layer; and an insulating part protruding from the gasket in the second direction and covering one surface of the first tab part, wherein the insulating part may be configured to prevent electrical connection between the first substrate and the second substrate.

ELECTRODES AND RECHARGEABLE LITHIUM BATTERIES INCLUDING THE SAME

Absstract of: US20260100371A1

An electrode may include a current collector, a coating layer on the current collector, and an active (e.g., electrically active) material layer on the coating layer, wherein the coating layer includes a carbon-based conductive (e.g., electrically conductive) material and a copolymer binder, and the copolymer binder includes about 5 mol % to about 20 mol % of a hydrophilic structural unit and about 80 mol % to about 95 mol % of a hydrophobic structural unit, based on 100 mol % of the copolymer binder. The electrode may maximize or increase capacity (e.g., electrical capacity) while minimizing or reducing production cost, thereby ensuring long cycle-life characteristics and improving or enhancing high-voltage characteristics and high-temperature storage characteristics. The rechargeable lithium battery including the electrode may exhibit high initial charge/discharge capacity and efficiency even under high voltage driving conditions and may implement long cycle-life characteristics.

MANDREL FOR WINDING ELECTRODE OF SECONDARY BATTERY

Absstract of: US20260100403A1

The present disclosure relates to a mandrel for winding an electrode of a secondary battery, and provides a mandrel for winding an electrode of a secondary battery including a first mandrel member comprising a plurality of exterior faces including longitudinal side surfaces and a first surface, wherein a first hollow portion is provided between the longitudinal side surfaces, and a second mandrel member spaced apart from the first mandrel member and comprising a plurality of exterior faces including second longitudinal side surfaces and a second surface, wherein a second hollow portion is provided between the second longitudinal side surfaces.

COATING DEVICE

Absstract of: WO2026074771A1

The purpose of the present invention is to provide a coating device capable of forming an insulating film so as to surround each of electrode films intermittently formed on a predetermined surface of a base material. Specifically, the coating device comprises: a conveyance mechanism that conveys a base material; and a coating mechanism that forms an electrode film and an insulating film by coating a predetermined surface of the base material being conveyed with an electrode material and an insulating material. The coating mechanism has: a main discharge unit that intermittently discharges the electrode material toward the predetermined surface of the base material; a side discharge unit that discharges the insulating material to a position adjacent to or at least partially overlapping both ends of each of electrode films in the width direction, the electrode films being intermittently formed on the predetermined surface of the base material; and a frame discharge unit that intermittently discharges the insulating material to a position adjacent to or at least partially overlapping the ends of each of the electrode films in the conveyance direction of the base material, the electrode films being intermittently formed on the predetermined surface of the base material.

SEPARATOR AND ZINC SECONDARY BATTERY

Absstract of: WO2026074750A1

This separator is used in a zinc secondary battery. The separator comprises: a porous resin base material; and an inorganic compound filled into the resin base material and composed of titanium and at least one element selected from the group consisting of magnesium, aluminum, and yttrium. The composition ratio of titanium to the entire inorganic compound is at least 40 atm%. When a liquid tank in which two tubes each having an inner diameter of 6 mm protrude upward, which is partitioned into two chambers by a separator having a diameter of 26 mm, and which is filled with a 6M KOH aqueous solution is used as a measurement device, the liquid permeation amount measured 168 hours after the liquid level difference of the tubes is set to 70 cm is at least 0.05 mL and at most 5 mL.

Vorrichtung zur Materialprüfung

Absstract of: DE102026107082A1

Die Erfindung betrifft eine Vorrichtung (100) zur Materialprüfung durch einen Heißgas-Massenstrom (310), umfassend eine Prüfkammer (110) mit einer Prüflingsaufnahme (120), die zur Aufnahme und Halterung eines Prüflings (400) ausgebildet und eingerichtet ist, eine Heißgas-Massenstrom-Quelle sowie eine Messeinrichtung (190), wobei die Heißgas-Massenstrom-Quelle ein Heißgas-Massenstrom-Generator (300) ist, der dazu ausgebildet und eingerichtet ist, einen Heißgas-Massenstrom (310) zu erzeugen und in einer Strahlrichtung auf einen Prüfling (400) zu leiten, wobei mindestens eine Kenngröße aus einer Gruppe von Kenngrößen, umfassend Strahldauer, Strahltemperatur, Druckimpuls, Impulskurve, Partikelgröße und Partikelmenge, vorgebbar oder/und einstellbar oder/und regelbar ist.

SYNTHESIS OF LITHIUM-RICH IRON SULFIDES BY CHEMICAL LITHATION

Absstract of: US20260097957A1

0000 Disclosed herein is a method of: providing a polyaromatic hydrocarbon-M adduct solution and reacting the adduct with a sulfide compound having the formula NiFe<1-x>S<2 >to form a product having the formula MNiFe<1-x>S<2>. M is lithium or sodium. The value x is at least 0 and less than 1, and y is a positive number of at most 2. Also disclosed herein is a composition comprising MNiFe<1-x>S<2>. The MNiFe<1-x>S<2 >has a particle size of less than 1 μm.

STACK HOUSING FOR BATTERY MODULES AND BATTERY SYSTEM INCLUDING THE SAME

Absstract of: US20260100466A1

0000 A stack housing for battery modules includes a multi-case, an arched mount, a stack layer, and a damping bracket. The multi-case defines loading compartments that are configured to hold multiple battery modules in a divided arrangement and positioned side-by-side at a set height. The arched mount connects the loading compartments and creates a defined space. The stack layer, attached to a top of the arched mount, serves as a frame allowing battery modules to be stacked on the multi-case. The damping bracket connects ends of the stack layer and includes a downwardly bent middle portion coupled to the arched mount.

METHOD FOR CONTROLLING AN ELECTROCHEMICAL BATTERY ON BOARD A MOTOR VEHICLE

Absstract of: WO2026073814A1

The invention relates to a method for controlling an electrochemical battery provided with electrodes comprising lead and an electrolyte comprising sulfuric acid, in particular a low-voltage battery of the order of 12 to 14 volts, the battery being on board a motor vehicle, the method comprising a test step (20) in which at least one parameter is periodically evaluated at a given time interval, referred to as a test period, in order to provide one or more items of information on a state of the battery, in particular a sulfation state, the method further comprising a step (30) of charging the battery using a charging current having a voltage higher than a nominal charging voltage, referred to as an overvoltage charging step, the overvoltage charging step (30) being carried out for a duration set in advance, as a function of the information on the state of the battery.

SOLID ELECTROLYTE MATERIAL AND BATTERY

Absstract of: US20260100408A1

0000 The present disclosure relates to a solid electrolyte material. The solid electrolyte material contains a sulfide solid electrolyte containing a lithium element, a sulfur element, and a phosphorus element, and an organic compound. The organic compound has two or more benzene rings, and a melting point of the organic compound is 82° C. or lower.

SYSTEMS AND METHODS FOR BATTERY INTERNAL SOFT SHORT DETECTION

Absstract of: US20260098914A1

0000 Cell group voltages for battery cell groups of a battery module are received from voltage sensors. Cell group currents for the battery cell groups are received from current sensors. Open circuit voltages are generated for each of the battery cell groups based on the cell group voltages and the cell group currents. A normalized open circuit voltage of a first battery cell group of the battery cell groups is generated based on the open circuit voltages of the battery cell groups. A normalized cell group voltage of the first battery cell group is generated based on the cell group voltages of the battery cell groups. An assessment of the normalized open circuit voltage and the normalized cell group voltage of the first battery cell group is performed to determine whether there is an internal soft short in the first battery cell group.

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM ION SECONDARY BATTERY

Absstract of: US20260100364A1

The positive electrode active material includes single crystal particles and polycrystalline particles, the polycrystalline particles are formed by associating a plurality of the single crystal particles, each of the single crystal particles and the polycrystalline particles includes a lithium nickel composite oxide having a layered structure, and the single crystal particles satisfy all relationships of the following formulas (1) to (3). In the formulas (1) to (3), D10, D50 and D90 each represent a particle diameter having an integrated value of 10%, a particle diameter having an integrated value of 50%, and a particle diameter having an integrated value of 90% in a volume-based particle size distribution of the single crystal particles, and D10, D50 and D90 each have units of micrometers.D⁢10≤2.5(1)D⁢50≤5.(2)(D⁢90-D⁢1⁢0)/D⁢5⁢0≥3.(3)

Stromabnehmerfolie, Batterie sowie Primerlack

Absstract of: DE102024128915A1

Die Erfindung betrifft Stromabnehmerfolie (1), insbesondere eine recyclefähige Stromabnehmerfolie (1), zur Verwendung in einer Batterie (2), umfassend eine Metallfolie (3, 3a, 3b) mit einer Oberseite (8a) und einer Unterseite (8b), wobei auf der Oberseite (8a) und/oder der Unterseite (8b) der Metallfolie (3, 3a, 3b) jeweils eine Primerschicht (5, 5a, 5b) angeordnet ist, und wobei die Primerschicht (5, 5a, 5b) ein oder mehrere wasserlösliche Bindemittel aufweist. Ferner betrifft die Erfindung eine Batterie (2), insbesondere eine recyclefähige Batterie (2), umfassend eine erfindungsgemäße Stromabnehmerfolie (1). Ferner betrifft die Erfindung einen Primerlack zum Aufbringen auf eine Metallfolie (3, 3a, 3b) umfassend Lösemittel, leitfähige Partikel und/oder Pigmente, und ein oder mehrere wasserlösliche Bindemittel.

SULFIDE-BASED GLASS-CERAMIC SOLID ELECTROLYTE

Absstract of: WO2026075535A1

The present invention relates to a sulfide-based glass-ceramic solid electrolyte including a lithium element (Li), a phosphorus element (P), a sulfur element (S), and a halogen element (Ha), and substituted with a first compound including an oxygen element (O).

ALL SOLID STATE BATTERY

Nº publicación: WO2026075058A1 09/04/2026

Applicant:

MAXELL LTD [JP]
\u30DE\u30AF\u30BB\u30EB\u682A\u5F0F\u4F1A\u793E

Absstract of: WO2026075058A1

Provided is an all solid state battery in which the moldability of an electrode laminate is improved and which has good properties.　An all solid state battery according to the present invention comprises an electrode laminate in which a positive electrode that includes a molded body of an positive electrode mixture containing an positive electrode active material and a negative electrode that includes a molded body of a negative electrode mixture containing a negative electrode active material are laminated with a solid electrolyte layer therebetween. The electrode laminate is an integral molded body of the molded body of the positive electrode mixture, the solid electrolyte layer, and the molded body of the negative electrode mixture. When LC is defined as the length, in a plan view of the molded body of the positive electrode mixture, of a part thereof where there is the greatest distance from a point on the outer peripheral edge to another point on the outer peripheral edge, LA is defined as the length, in a plan view of the molded body of the negative electrode mixture, of a part thereof where there is the greatest distance from a point on the outer peripheral edge another point on the outer peripheral edge, and LS is defined as the length, in a plan view of the solid electrolyte layer, of a part thereof where there is the greatest distance between a point on the outer peripheral edge and another point on the outer peripheral edge, relational expression (1) is satisfied