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1190
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Updated on
25/10/2026 [07:33:00]
Results 425 to 450 of 1190
Absstract of: WO2025125306A1
The invention relates to a method (200, 600, 700) for cleaning a surface (204, 602, 702) with the aid of an atmospheric plasma jet (26, 208, 326, 426, 526, 612, 709, 709), the surface (204, 602, 702) being contaminated with at least one at least partly organic substance (202), wherein the method is characterized in that water (216, 336, 540) is introduced into the atmospheric plasma jet (26, 208, 326, 426, 526, 612, 709, 709), and in that the surface (204, 602, 702) is simultaneously subjected to the water (216, 336, 540) introduced into the atmospheric plasma jet (26, 208, 326, 426, 526, 612, 709, 709) and to the atmospheric plasma jet (26, 208, 326, 426, 526, 612, 709, 709). The invention also relates to a use of a device comprising a plasma source configured to generate an atmospheric plasma jet (26, 208, 326, 426, 526, 612, 709) and comprising a supply line element (10, 212, 330, 436, 528) configured to introduce water (216, 336, 540) into the atmospheric plasma jet (26, 208, 326, 426, 526, 612, 709), for cleaning a surface (204, 602, 702), in particular a surface (204, 602, 702) of a battery cell (604), the surface (204, 602, 702) being contaminated with at least one at least partly organic substance (202).
Absstract of: EP4570934A1
0001 The present invention relates to a composition comprising lithium carbonate obtained from black mass. The composition can be obtained by a process comprising (i) mixing black mass with a liquid to provide black mass slurry; (ii) converting lithium into a lithium salt in and removing graphite from the black mass slurry of step (i); (iii) separating dissolved lithium carbonate from solids in the black mass slurry of step (ii) to provide a lithium-enriched liquid fraction and a lithium-depleted solid fraction; optionally, reducing the lithium salt in the lithium-enriched liquid fraction of step (iii) to provide elementary lithium; (v) optionally, purifying the lithium salt in the lithium-enriched liquid fraction of step (iii) or the elementary lithium of step (iv); and (vi) optionally, solidifying the lithium salt of step (iii) or (v) or the elementary lithium of step (iv) or (v).
Absstract of: EP4570952A1
The present invention is related to a method of producing a porous electrode comprising: preparing a slurry comprising a solvent, between 1 % and 25 % by weight of a polymeric binder material and between 10 % and 80 % by weight of particles comprising an electrochemically active material, based on the total weight of the slurry, the polymeric binder material being at least partially dissolved in the solvent; applying the slurry to a porous electrically conductive support; and subjecting the slurry of the coated support comprising the slurry to phase inversion, thereby forming the porous electrode, which comprises the porous electrically conductive support and a porous composite comprising a porous matrix, comprising the polymeric binder material, and the particles comprising the electrochemically active material, wherein the particles are dispersed in the porous matrix, wherein the weight ratio of the polymeric binder material to the particles in the slurry is between 2:98 and 50:50, and wherein a total amount of the polymeric binder material and the particles in the slurry is between 32 % and 80 % by weight, based on the total weight of the slurry. The invention further relates to a porous electrode comprising a porous electrically conductive support and a porous composite comprising a porous matrix, comprising a polymeric binder material, and particles comprising an electrochemically active material.
Absstract of: EP4826364A1
This application discloses a flexible connection system for a cell assembly (100) and a detection method for a cell assembly (100). The system includes: an upper-level computer, configured to send an image acquisition signal to a first camera (320) and a second camera (340); a first prism (310), configured to image a first side of the cell assembly (100) in a third direction; the first camera (320), configured to acquire, based on the image acquisition signal, an image of the first side of the cell assembly (100) in the third direction from the first prism (310) to obtain a first image; a second prism (330), configured to image a second side of the cell assembly (100) in the third direction; and the second camera (340), configured to acquire, based on the image acquisition signal, an image of the second side of the cell assembly (100) in the third direction from the second prism (330) to obtain a second image; where the upper-level computer is further configured to receive the first image and the second image, determine a first detection result of a cathode-end snap-fit member (130) based on the first image, and determine a second detection result of an anode-end snap-fit member (140) based on the second image. In this way, detection of whether the snap-fit members are installed in place is realized.
Absstract of: EP4825937A1
One embodiment of the present invention relates to a battery adhesive, a battery laminate, a battery packaging material, or a tab lead, and the battery adhesive satisfies the following requirements (i) to (iii).(i) a graft-modified product of at least one base polymer selected from polyolefins with at least one carbodiimide monomer selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2) is contained,(ii) 0.1 to 50 mmol of a carbodiimide group is contained per 100 g of the battery adhesive, and(iii) a density is 0.870 to 0.940 g/cm3;wherein in the formula (1), R1 is a hydrogen atom or a methyl group, R2 is an alkyl group or aryl group optionally having a substituent, in the formula (2), R3 is a hydrogen atom or a methyl group, R4 is an alkyl group or aryl group optionally having a substituent, and m is an integer of 2 or more.
Absstract of: WO2025125543A1
The present invention relates to a positive electrode active material for rechargeable batteries, wherein the positive electrode active material comprises lithium, oxygen, nickel, cobalt, and manganese, wherein the positive electrode active material is a powder comprising single particles and/or secondary particles, wherein each of the single particles consists of only one primary particle and each of the secondary particles consists of at least two primary particles and at most twenty primary particles as observed in a SEM image in a field of view of at least 45 μm x at least 60 μm, wherein the atomic content of Ni, relative to the total amount of Ni, Co, and Mn, of 45.0 to 95.0 at%, as determined by ICP-OES; having an atomic content of Al, relative to the total amount of Ni, Co, and Mn, of 0.3 to 3.0 at%, as determined by ICP-OES; wherein the atomic content of Co, relative to the total amount of Ni, Co, and Mn, of 3.0 to 30.0 at%, as determined by ICP-OES; wherein the atomic content of Mn, relative to the total amount of Ni, Co, and Mn, of 3.0 to 35.0 at%, as determined by ICP-OES; wherein the positive electrode active material further comprises: aluminum and has an atomic ratio of Al to the total amount of Ni, Co, and Mn of 1.0 to 7.0, as determined by XPS analysis, and cobalt and has an atomic ratio of Co to the total amount of Ni, Co, and Mn of 0.25 to 0.45, as determined by XPS analysis.
Absstract of: EP4826774A1
0001 The present invention relates to a lithium metal electrode and a method for manufacturing the same. The lithium metal electrode of the present invention includes a current collector, a metal layer positioned on at least one surface of the current collector and including a lithium alloy, a protective layer positioned on the metal layer, and a coating layer positioned on a surface of the protective layer and including at least a portion of LiF, wherein, when measured by X-ray photoelectron spectroscopy (XPS), an intensity of a peak appearing at 684 eV to 686 eV is greater than an intensity of a peak appearing at 687 eV to 689 eV.
Absstract of: EP4826779A1
The present invention relates to a lithium metal electrode and a method for manufacturing the same. The lithium metal electrode of the present invention includes a current collector and a protective layer disposed on at least one surface of the current collector, wherein the protective layer includes a powder-type carbon-based material and powder-type metal particles, and an average particle diameter of the metal particles is 250 nm or less.
Absstract of: EP4826855A1
0001 A battery assembly includes: a plurality of battery cells, each including a vent part on one side surface thereof; a plurality of cooling plates located between corresponding adjacent battery cells among the plurality of battery cells, and accommodating a coolant; a plurality of connecting members connecting the plurality of cooling plates to each other to allow the coolant to flow; and a vent plate below the plurality of cooling plates and located on a side surface where the vent part of each of the plurality of battery cells is located, the vent plate to allow the coolant discharged through the connecting members to flow.
Absstract of: EP4826853A1
0001 Battery module (100), comprising: a stack (10) of a plurality of battery cells (12) with spacers (14) arranged between the battery cells (12); and a battery module housing (20) for accommodating the stack (10) and comprising a bottom (22), a first side wall (24) and an opposing second side wall (26), wherein the battery module housing (20) is configured to hold a liquid coolant, the stack (10) is immersed in the liquid coolant, and the spacers (14) are configured to allow the liquid coolant to pass through from one side of the stack (10) to the other; wherein the first side wall (24) comprises a first bulge (50) having a first flow passage for the liquid coolant and extending over the entire length of the first side wall (24); the second side wall (26) comprises a second bulge (60) having a second flow passage for the liquid coolant and extending over the entire length of the second side wall (26), and wherein a coolant inlet (52) is provided at one end of the first bulge (50) and a coolant outlet (62) is provided at one end of the second bulge (60).
Absstract of: EP4826839A1
0001 Die Erfindung betrifft eine Vorrichtung (1) zum Nachfüllen von dielektrischem Kühlmedium (17) in einen Kühlkreislauf (2) mit einer Kammer (4), in welche das Kühlmedium (17) durch eine Öffnung (11) mit verschließbarem Deckel (Wartungsklappe 12) einbringbar ist, und mit einem Leitungselement (5) zum Verbinden der Kammer (4) mit dem Kühlkreislauf (2). Die erfindungsgemäße Vorrichtung ist dadurch gekennzeichnet, dass die Kammer (4) im bestimmungsgemäßen Einsatz in Richtung der Schwerkraft (Erdbeschleunigung g) oberhalb des Kühlkreislaufs (2) angeordnet und über das Leitungselement (5) mit diesem direkt oder mittelbar verbunden ist, wobei in dem Leitungselement (5) eine schaltbare Ventileinrichtung (8) angeordnet ist, welche dazu eingerichtet ist, sich in Abhängigkeit eines über einen Leitfähigkeitssensor (10) in der Kammer (4) erfassten Leitwerts des nachgefüllten Kühlmediums (17) zu öffnen und zu schließen.
Absstract of: EP4826854A1
Device (1) for thermal management of battery cells (10) of a battery, comprising a first component (2) and a second component (3), attached to each other, wherein the first component (2) is made of a first material and wherein the second component (3) is made of a second material, and wherein the second material is more flexible than the first material, and wherein the first component (2) is adapted to provide a structural function for the device (1), and wherein the second component (3) is adapted to provide a thermal function with at least one fluid channel (4).
Absstract of: EP4826816A1
A battery (10) includes a positive electrode layer (1), a solid electrolyte layer (2), and a negative electrode layer (3). The positive electrode layer (1), the solid electrolyte layer (2), and the negative electrode layer (3) are laminated in a thickness direction (D). The solid electrolyte layer (2) contains a solid electrolyte (2a) and a support body (2c) made of a plurality of fibers (2b). In a case where, with the solid electrolyte layer (2) seen in cross-section along the thickness direction (D), a direction orthogonal to the thickness direction (D) is called a first direction and the thickness direction (D) is called a second direction, and the length of the fiber (2b) in the first direction is denoted by A and the length of the fiber (2b) in the second direction is denoted by B, an average aspect ratio represented by A/B is 1.5 to 4.3, both inclusive.
Absstract of: EP4826848A1
0001 The present invention relates to thermal management systems for batteries, particularly batteries used in electric vehicles (EVs), stationary generators, or other high-performance energy storage applications. An energy storage device including a major component that includes first and second major subcomponents configured to interconnect at a thermally isolable interface arranged therebetween. The first and second major subcomponents being constituent components of an electrochemical system that is configured to store energy for the energy storage device and cooled via fluid flow in a primary outlet direction across the thermally isolable interface. The first and second major subcomponents being arranged such that the first major subcomponent is thermally isolable from the second major subcomponent for a minimum isolation duration when the energy storage device experiences a detrimental thermal event.
Absstract of: EP4826819A1
A lithium-ion battery configured to suppress alloying of the anode layer and the anode collector, the lithium-ion battery includes a cathode collector, a cathode layer, an electrolyte layer, an anode layer, an anode protective layer and an anode collector, which are stacked in this order; in a first direction perpendicular to a stacking direction, a first-directional end portion of the anode protective layer protrudes in the first direction more than a first-directional end portion of the anode collector; and the anode protective layer includes at least one selected from the group consisting of Ni, Cu, a carbonaceous material and an electroconductive resin.
Absstract of: EP4826847A1
A cooling device for cooling a cell is provided, which includes a first stack plate, a second stack plate, a cooling fluid, and a fusible material. The first stack plate is attached to the cell and has a first bonding portion and a first accommodating portion. The first bonding portion surrounds the first accommodating portion. The second stack plate is disposed on the first stack plate and has a second bonding portion and a second accommodating portion. The second bonding portion surrounds the second accommodating portion. The second bonding portion and the first bonding portion are bonded together and collectively form a sealed opening. The first accommodating portion and the second accommodating portion collectively form an accommodating space, and the accommodating space is in fluid communication with the sealed opening. The cooling fluid is disposed in the accommodating space. The fusible material is filled into the sealed opening.
Absstract of: EP4826865A1
A cell stack and a battery pack are disclosed. A battery pack includes a housing, one or more cell stacks accommodated in the housing and including a plurality of battery cells arranged in a first direction, a plurality of partition frames arranged in parallel such that the cell stacks are arranged in the first direction, and an end frame coupled to the partition frame and facing the cell stack in the first direction.
Absstract of: EP4825453A1
Provided is a battery module including a plurality of battery cells and a first fire-extinguishing cell arranged above the plurality of battery cells, and the first fire-extinguishing cell includes an upper frame and a lower frame forming a space in which a first fire-extinguishing material is accommodated, and the lower frame includes a heat-sensitive portion which opens when a heat-sensitive reaction occurs.
Absstract of: EP4826830A1
0001 In general, according to one approach, a secondary battery (100) including a container member (2), an electrode group (1) having a stacked structure including one electrode (5), the other electrode (3), and a separator (4). At least one side of the one electrode (5) protrudes more than at least one side of the other electrode (3) in a direction intersecting a stacking direction of the electrode group (1). The electrode group (1) satisfies the following formula (1): Ra 2 > Ra 1
where the Ra2 is an arithmetic average roughness of an end portion including the at least one side of the one electrode (5) in the electrode group (1), and the Ra1 is an arithmetic average roughness of an interior portion adjacent to the end portion of the electrode group (1).
Absstract of: EP4825452A1
A battery module, including a plurality of battery cells, a cover part covering the plurality of battery cells, and a fire-extinguishing sheet between the plurality of battery cells and the cover part, wherein the fire-extinguishing sheet includes a first region including a first fire-extinguishing material and a second region including a second fire-extinguishing material, and the second region is within the first region.
Absstract of: EP4826812A1
0001 The electrode assembly according to one or more embodiments includes a first electrode, a second electrode, and a separator for separating the first electrode and the second electrode, bent to form insertion parts respectively accommodating the first electrode and the second electrode, and including a first separator part at a lowermost portion, a second separator part at an uppermost portion and bonded to the first separator part, and a third separator part between the first separator part and the second separator part.
Absstract of: EP4826770A1
In general, according to an approach, an electrode (3) includes a current collector (3a) containing aluminum or an aluminum alloy, and an active material-containing layer(3b). The active material-containing layer (3b) contains particles (30) containing a niobium titanium-containing oxide. The electrode satisfies the following expression (1): 0.08≤I1/I2≤0.25 the I1 is an intensity of a first peak having the highest intensity within a range where 2θ is 46° or more and 48° or less in a diffraction diagram obtained by X-ray diffraction on a surface of the active material-containing layer. the I2 is an intensity of a second peak having the highest intensity within a range where 2θ is 25° or more and 27° or less in the diffraction diagram. In a cross section of the active material-containing layer along a thickness direction thereof, an average aspect ratio of the particles is 2 or less.
Absstract of: EP4826781A1
0001 A solid electrolyte layer includes a first layer (110) and a second layer (120) laminated on the first layer (110). The first layer (110) includes an outer peripheral region (112) and a central region (114) located inward of the outer peripheral region (112) in a plane direction. A reduction resistance of the second layer (120) is higher than a reduction resistance of the outer peripheral region (112) and a reduction resistance of the central region (114) in the first layer (110). An elongation of the outer peripheral region (112) of the first layer (110) at a yield point is greater than an elongation of the central region (114) of the first layer (110) at a yield point and an elongation of the second layer (120) at a yield point. An ionic conductivity of the central region (114) of the first layer (110) is greater than an ionic conductivity of the outer peripheral region (112) of the first layer (110) and an ionic conductivity of the second layer (120).
Absstract of: EP4826794A1
0001 Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery includes a positive electrode active material layer including a lithium nickel-based positive electrode active material, a polymer, and a linear conductive material; and a current collector supporting the positive electrode active material layer.
Nº publicación: EP4826882A1 21/10/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
Absstract of: EP4826882A1
0001 A rechargeable battery, including an electrode assembly, a case accommodating the electrode assembly, the case including one or more opened portions, a cap plate coupled to each of the one or more opened portions of the case, an electrode terminal at the cap plate, a first vent portion at one of the case and the cap plate, the first vent portion being rupturable by a first rupture pressure, and a second vent portion opposite to the first vent portion, the second vent portion being rupturable by a second rupture pressure different from the first rupture pressure.
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