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SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SOLID-STATE BATTERY

Resumen de: EP4765286A1

0001 A solid-state battery, including a structure in which a solid electrolyte layer, a negative electrode layer and a negative electrode collector are disposed in that order, the negative electrode layer containing negative electrode active material particles, wherein when the negative electrode layer is divided in a thickness direction into a region X that is at a solid electrolyte layer side and a region Y that is at a negative electrode collector side, a degree of orientation X of negative electrode active material particles in the region X is greater than a degree of orientation Y of negative electrode active material particles in the region Y.

ELECTROCHEMICAL CELL WITH A SALT-IN-POLYMER ELECTROLYTE, A SYSTEM COMPRISING THE CELL AND A METHOD OF USING AN ASSOCIATED CATHODE

Resumen de: EP4765230A1

0001 An electrochemical cell having a cathode comprising a fluorinated carbon nanotube (F-CNT), an anode and a solid electrolyte; wherein the solid electrolyte comprises an electrolyte component comprising i. 5 to 50 wt.% of an alkali metal-containing electrolyte salt, and ii. 50 to 95 wt.% of a polymer. Embodiments do not require a carbon-based conductive-adjuvant in the cathode. The thickness of the solid electrolyte may be least 5 microns. A container comprising cell may have space to allow for thermal expansion thereof. They may be used at elevated temperatures greater than 65 °C. or more, such as in a subterranean well.

ELECTROCHEMICAL CELL WITH A POLYMER-IN-SALT ELECTROLYTE, A SYSTEM COMPRISING THE CELL AND A METHOD OF USING AN ASSOCIATED CATHODE

Resumen de: EP4765279A1

An electrochemical cell having a cathode comprising a fluorinated carbon nanotube (F-CNT), an anode and a solid electrolyte; wherein the solid electrolyte comprises an electrolyte component comprising 50 to 95 wt.% of an alkali metal-containing electrolyte salt, and 5 to 50 wt.% of a polymer. Embodiments do not require a carbon-based conductive-adjuvant in the cathode. The thickness of the solid electrolyte may be least 5 microns. A container comprising the cell may have space to allow for thermal expansion thereof. They may be used at elevated temperatures greater than 65 °C or more, such as in a subterranean well.

APPARATUS AND METHOD FOR BUILDING AN ELECTROCHEMICAL CELL FOR BATTERY PRODUCTION

Resumen de: EP4765446A1

An apparatus for building an electrochemical cell intended for battery production comprises a dispensing unit of a conductor element (3) having a main body (4) and a plurality of fins (4a) protruding from the main body (4), a coupling unit configured to couple the conductor element (3) with at least another element to form an internal assembly of the electrochemical cell. The apparatus further comprises a folding unit configured to fold the fins (4a) increasing the inclination of the fins with respect to the main body (4) while the conductor element (3) is moved from the dispensing unit to the coupling unit.The folding unit comprises a deflector element (13) configured to abut the fins (4a), and a nozzle (14) arranged at least partially upstream of the deflector element (13) and configured to dispense a jet of air (F) against the fins (4a) so that the fins (4a) are preliminarily folded before they abut the deflector element (13).

APPARATUS AND METHOD FOR IDENTIFYING THE POSITION OF ELECTROCHEMICAL CELL ELEMENTS IN A STACKING PLANE OF A STACKING DEVICE IN AN ELECTROCHEMICAL CELL MANUFACTURING MACHINE

Resumen de: EP4765297A1

0001 An apparatus (27) for identifying the position of electrochemical cell elements in a stacking plane comprises a measurement device (34) configured to take measurement data representative of the distance between a first vertex (V1) and a second vertex (F1) of an electrochemical cell element (100) to be deposited on a stacking plane (25); a detection device (28) placed in a display relationship with control areas (29) defined at a stacking plane (25), wherein the detection device (28) is configured to detect a plurality of display data of said electrochemical cell element (100) in said control areas (29); a processing unit (33) operatively associated with said measurement device (34) and said detection device (28). The control unit (33) is configured to: obtain said measurement data; on the basis of the measurement data obtained, calculate a first distance (D1) between the first vertex (V1) of the electrochemical cell element (100) and the second vertex (F1) of the electrochemical cell element (100); obtain the plurality of display data; on the basis of the plurality of display data obtained, determine a first position identifying a position of the first vertex (V1) of the electrochemical cell element (100); on the basis of the calculation of the first distance (D1) and on the basis of the determination of the first position, determine a second position identifying a position of the second vertex (F1) of the electrochemical cell element (100).

ELECTROCHEMICAL ACCUMULATOR INCORPORATING A CURRENT INTERRUPTING DEVICE WITH HIGH INTERRUPTING CAPACITY

Resumen de: EP4765363A1

0001 L'invention concerne un accumulateur électrochimique (A) métal-ion avec un dispositif d'interruption de courant ,(11) intégré dans l'accumulateur, qui comprend un réservoir (14) rempli d'au moins un matériau endothermique et isolant électrique. Le dispositif étant commandé en pression, et. possédant un haut pouvoir de coupure.

A BATTERY AND BATTERY SUBSTRING ASSEMBLIES FOR AN AIRCRAFT PROPULSION SYSTEM

Resumen de: EP4763707A1

A propulsion system (20) for an aircraft (1000) includes a battery (64) and a battery sensor assembly (92). The battery (64) includes a plurality of battery strings (74). A first battery string of the plurality of battery strings (74) includes a plurality of substring assemblies (94). Each of the substring assemblies (94) includes a battery substring (96), a first substring contactor (98), and a first substring controller (102). The battery substring (96) includes a plurality of battery cells (106) electrically connected together. The first substring contactor (98) is electrically connected with the battery substring (96). The first substring contactor (98) is positionable in a closed state or an open state. The first substring controller (102) is configured to control a position of the first substring contactor (98) in the closed state or the open state. The battery sensor assembly (92) includes a cell temperature sensor (92A) for each of the plurality of battery cells (106). The cell temperature sensor (92A) is connected in signal communication with the first substring controller (102).

APPARATUS AND METHOD FOR IDENTIFYING THE POSITION OF VERTICES OF ELECTROCHEMICAL CELL ELEMENTS ON A STACKING SURFACE IN A STACKING DEVICE IN AN ELECTROCHEMICAL CELL MANUFACTURING MACHINE

Resumen de: EP4765268A1

An apparatus (27) for identifying the position of vertices of electrochemical cell elements on a surface, comprising a detection device (28) placed in a display relationship with a first control area (29a) and a second control area (29b) both defined at a stacking surface (25) and configured to detect a first plurality of display data in the first control area (29a) and a second plurality of display data in the second control area (29b) which are represented by respective plurality of contrast transition zones in an image; wherein the first control area (29a) and the second control area (29b) are placed at a stacking surface (25) at respective expected positions of receiving a first edge (101) and a second edge (102) of an electrochemical cell element (100) not parallel to each other; a processing unit (33) operatively associated with the detection device (28) and configured to: obtain the first plurality of display data; obtain the second plurality of display data; on the basis of the first plurality of display data obtained determine a first line (A1) representative of the first edge (101) of the electrochemical cell element (100) and on the basis of the second plurality of display data obtained determine a second line (A2) representative of the second edge (102) of the electrochemical cell element (100) on the basis of statistical models applied to the plurality of contrast transition zones of the image; on the basis of the determination of the first line (A1) and the seco

APPARATUS FOR STACKING BATTERY PLATES

Resumen de: EP4763763A1

According to the invention there is provided an apparatus for stacking battery plates comprising:a first battery plate holding stage;a delivery conveyor system for delivering battery plates sequentially to the first battery plate holding stage;a second battery plate holding stage disposed beneath the first battery plate holding stage; anda removal conveyor system for removing stacks of battery plates from the apparatus;in which:the first battery plate holding stage comprises a plurality of moveable elements which are moveable between a first position in which the elements form a stage to support a battery plate delivered by the delivery conveyor system to a second position which allows the battery plate to fall under gravity onto the second holding stage; andthe second holding stage comprises a stage for holding a stack of battery plates received from the first holding stage; wherein the second holding stage is moveable between a first position in which battery plates are received from the first holding stage and a second position which allows the stack of battery plates to be removed by the removal conveyor system.

METHOD FOR CONTROLLING AN ELECTROLYTE FILLING UNIT

Resumen de: EP4765323A1

An electrolyte filling unit and method for controlling the filling of electrolyte in a battery cell structure comprising a battery casing and an electrode assembly arranged within the battery casing. The electrolyte filling unit comprises a pressure chamber, a filling arrangement arranged in the pressure chamber, and a pressure storage tank for holding a volume of electrolyte. The filling arrangement is fluidly connected to the pressure storage tank via a dosing arrangement. A tank pressure level in the pressure storage tank relative to the pressure level in the pressure chamber is controlled, such that the tank pressure level constantly is higher than the pressure level in the pressure chamber during filling of electrolyte from the pressure storage tank via the dosing arrangement and the filling arrangement into the battery casing.

METHOD FOR PRODUCING AN ELECTRIC BATTERY CELL

Resumen de: EP4765451A1

0001 Method for producing an electric battery cell comprising: - stacking in an interleaved manner a plurality of first sheets (1) in a first electrically conductive material and a plurality of second sheets (2) in a second electrically conductive material, wherein each first sheet (1) comprises a first tab (5) and wherein said first tabs form a first stack (7) in which said first tabs are in mutual contact; - in a first station, mutually pre-welding the first tabs (5) to each other in the first stack (7) by means of a laser beam (10) to spatially fix the first tabs (5) to each other; - subsequently, moving the first (1) and second sheets (2) interleaved from said first station to a second station; and - in the second station, welding the first stack (7) of first tabs (5) to a first electrical contact (13) to realize an electrical connection between all the first sheets (1) and the first electrical contact (12).

HIPOT TEST STATION FOR ELECTROCHEMICAL CELL ASSEMBLIES AND METHOD FOR PERFORMING HIPOT TESTS ON ELECTROCHEMICAL CELL ASSEMBLIES

Resumen de: EP4765310A1

0001 A Hipot test station (10) for electrochemical cell assemblies comprises a press (11) comprising a first plate (14) and a second plate (15) switchable between a test condition in which the first plate (14) is moved towards the second plate (15) to exert a compressive force on an electrochemical cell assembly (100) and an idle condition in which the first plate (14) is moved away from the second plate (15); a contacting assembly (13) switchable between a contacting condition in which it is configured to electrically contact an electrochemical cell assembly (100) and an idle condition in which it does not electrically contact said electrochemical cell assembly (100); a movement system (12) configured to insert and to remove an electrochemical cell assembly (100) between the first plate (14) and the second plate (15); wherein the first plate (14) is can be moved towards and away from the second plate (15) along a working direction contained in a horizontal plane.

BATTERY PACK ALARM SYSTEM

Resumen de: EP4765571A1

A system for managing addressing is provided, the system including a first subordinate device coupled to a communication bus, a first address line, and a second address line, the first subordinate device including a first switch coupled between the first address line and the second address line and configured to selectively connect the first address line to the second address line, a first alarm input configured to receive an alarm signal, and a second switch configured to establish an alarm voltage on the first address line.

SYSTEM AND METHOD FOR BATTERY MANUFACTURING

Resumen de: EP4764449A1

Disclosed herein is a battery manufacturing system comprising at least one intermediate conduit or intermediate container configured to receive a battery material mixture from a reactor configured for making the battery material mixture; and at least one measuring device configured to determine a physical property of the mixture in the at least one intermediate conduit or intermediate container downstream of the reactor.

ADVANCED FUMING

Resumen de: EP4764014A1

The invention is in the field of pyrometallurgy and describes a process for the recovery of lithium by fuming.The process comprises smelting Li-ion batteries or their waste in a furnace with slag formers, resulting in a molten bath with distinct alloy and slag phases, and flue dust. Notably, at least 30% of the lithium is transferred to the flue dust under the chosen conditions without adding alkali or earth alkali halides.Li can then be recovered from the flue dust, valuable metals, such as Co and/or Ni, can be recovered from the alloy, and the remaining slag can be re-used in new smelting operations.

POSITIVE ELECTRODE SLURRY FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ELECTRODE, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4763805A1

Provided are a positive electrode slurry for a rechargeable lithium battery, a positive electrode including the positive electrode slurry, and a rechargeable lithium battery. The positive electrode slurry for a rechargeable lithium battery including a positive electrode active material including lithium iron phosphatebased compound particles, an organic phosphoric acid dispersant, and a solvent.

CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4765216A1

A cathode (100) for a lithium secondary battery and a lithium secondary battery comprising the cathode are provided. The cathode comprises a cathode current collector (105), and a cathode active material layer (110) comprising a cathode active material on at least one surface of the cathode current collector. A G value and measured at a surface of the cathode active material layer is less than 2.0.

PRISMATIC TYPE BATTERY CELL, BATTERY PACK AND ROAD VEHICLE

Resumen de: EP4765356A1

Prismatic type battery cell (6) comprising: box-shaped metal case (9), which, in turn, comprises a first base wall (11) and a second base wall (12), opposite one another along a longitudinal axis (L) of the cell; a stack (10) comprising a plurality of electrode plates (19) alternating with each other and interspaced by separator material foils; wherein the electrode plates (19) are alternately anode plates (20) and cathode plates (21), which extend lengthwise along the longitudinal axis (L) and widthwise along a transverse axis (T), perpendicular to the longitudinal axis (L), respectively; wherein the anode plates (20) project, along the longitudinal (L) axis, first metal terminal elements (22) toward the first base wall (11); the cathode plates (21) project, along the longitudinal (L) axis, in the opposite direction relative to the first metal terminal elements (22), second metal terminal elements (23) toward the second base wall (12); the second metal terminal elements (23) extend across the entire width of the cathode plates (21).

LITHIUM MANGANESE IRON PHOSPHATE COMPOSITE POSITIVE ELECTRODE MATERIAL, METHOD OF PREPARING THE SAME, POSITIVE ELECTRODE SHEET AND SECONDARY BATTERY

Resumen de: EP4765214A1

0001 A lithium manganese iron phosphate composite positive electrode material, a method of preparing the same, a positive electrode sheet, and a secondary battery belonging to the technical field of battery active materials are provided. The lithium manganese iron phosphate composite positive electrode material includes a component A and a component B. The component A is a Ni/Ti co-doped lithium manganese iron phosphate material, and a chemical formula of the Ni/Ti co-doped lithium manganese iron phosphate material is LiMn<0.6(1-x-y)>Fe<0.4(1-x-y)>NiTiPO<4>, where 0≤x≤0.05 and 0≤y≤0.05. The component B includes amorphous carbon. The Ni+Ti co-doping strategy effectively addresses the problems such as energy density and capacity decay of the lithium manganese iron phosphate positive electrode material, so lithium manganese iron phosphate is enabled to better exert its advantages of high energy density, enhanced safety, and low costs, and the capacity and cycle stability of the lithium manganese iron phosphate battery are thus improved.

BATTERY ENERGY STORAGE SYSTEM AND A METHOD OF ELECTRICALLY ISOLATING A PLURALITY OF BATTERY CELLS

Resumen de: EP4765574A1

A battery energy storage system and methods for electrically isolating a plurality of battery cells (106) from an interface port (144) are disclosed. In one example, a method comprises measuring an electrical parameter on a DC bus (132) to which the plurality of battery cells are electrically coupled. An individual battery cell electrical parameter is determined using the electrical parameter and a quantity of the battery cells. Based at least on comparing the individual battery cell electrical parameter to a predefined threshold, the plurality of battery cells (106) are electrically isolated from the interface port (144).

SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4765433A1

Provided are a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate and a coating layer on the porous substrate. The coating layer includes boron nitride (BN) and a binder, and an amount of the boron nitride based on total 100 wt% of the coating layer is less than about 70 wt%.

DETECTION CABLE AND METHOD FOR DETECTING A LEAKAGE AND A SWELLING OF AT LEAST ONE BATTERY

Resumen de: EP4764440A1

0001 The present disclosure relates to a detection cable (10) configured to detect a leakage and a swelling of at least one battery (42). The detection cable (10) comprises a first leakage detection wire (18), a second leakage detection wire (22) and a swelling detection wire (26), all wires (18, 22, 26) are arranged inside a liquid-permeable cable jacket (14). Each leakage detection wire (18, 22) comprises a conductor wire (34, 35) provided inside a liquid-permeable wire jacket (30, 32), so that a leakage liquid (60) entering the liquid-permeable cable jacket (14) changes a resistance (R) between the conductor wires (34, 35) of both leakage detection wires (18, 22). The swelling detection wire (26) comprises an elastic material (36) with conductive additives (38), so that a resistance (Rs) of the swelling detection wire (26) changes when it is elongated.

PRISMATIC TYPE BATTERY CELL, BATTERY PACK AND ROAD VEHICLE

Resumen de: EP4765355A1

0001 Prismatic type battery cell (6) comprising: a box-shaped metal case (9), which, in turn, comprises a first base wall (11) and a second base wall (12), opposite each other along a longitudinal axis (L) of the cell; a stack (10) comprising a plurality of electrode plates (19) alternating with each other and interspaced by separator material foils; a venting system (24), which, upon exceeding a pressure inside the box-shaped metal case (9) above a predefined threshold value, is configured to allow gas to escape from the inside to the outside of the metal box-shaped metal case (9); wherein the venting system (24) is located in the area the first base wall (11) and/or the second base wall (12) and is configured to use the first base wall (11) and/or the second base wall as a valve.

POSITIVE ELECTRODE ACTIVE MATERIAL, BATTERY, AND METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: EP4765209A1

0001 A positive electrode active material comprising a plurality of secondary particles (2, 2a), wherein: each of the secondary particles (2, 2a) includes a plurality of primary particles (1); each of the primary particles (1) contains an olivine-type phosphate compound; carbon is attached to at least part of a surface of the primary particle (1); a cross-sectional surface of the secondary particle (2, 2a) includes a central portion (3a) and a peripheral portion (3b); and a relationship of 0.5 ≤ I/I is satisfied where I is an average value of signal intensities of carbon in the central portion (3a) in TEM-EDS line analysis along a diametrical direction of the secondary particle (2, 2a), and I is an average value of signal intensities of carbon in the peripheral portion (3b) in TEM-EDS line analysis along the diametrical direction of the secondary particle (2, 2a).