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1369
results.
Updated on
24/10/2026 [08:31:00]
Results 150 to 175 of 1369
Absstract of: US20260331616A1
The present invention relates to a process for separating Li and Na ions from sulfate-containing solutions, and a device for carrying out the process.
Absstract of: US20260331471A1
0000 The present invention relates to a method for producing a carbon enriched material, said method comprising the steps of: a) providing lignin; b) mixing the lignin with a recirculated carbon enriched material fraction to obtain a lignin-carbon mixture; c) forming an agglomerated lignin-carbon composite material comprising lignin, the recirculated carbon enriched material fraction and optionally at least one additive; d) subjecting the agglomerated lignin-carbon composite material to heat treatment at one or more temperatures in the range of from 300 to 1500 °C, wherein the heat treatment is carried out for a total time in the range of from 30 minutes to 10 hours, so as to obtain a carbon enriched material; e) milling the obtained carbon enriched material to so as to reduce the average particle size of the carbon enriched material, and to obtain at least a first fraction of a carbon enriched material, and a second fraction of a carbon enriched material; and f) recirculating at least a part of the first fraction obtained in step e) to step b).
Absstract of: US20260331594A1
0000 A rectangular secondary battery includes a wound electrode body and an insulating protective film wound around the electrode body to cover the electrode body, wherein the insulating protective film has at least side circumferential surface parts that extend in a circumferential direction of side circumferential surfaces of the electrode body and a bottom surface part that covers a bottom surface of the electrode body, on the side circumferential surface of the wound electrode body, an end surface overlapping part in which end surface parts on both sides of the insulating protective film overlap each other is formed. The end surface overlapping part has penetration regions and reaching the side circumferential surface of the electrode body, and the periphery of the penetration regions of the end surface overlapping part and the side circumferential surface of the electrode body are bonded and fixed through the penetration regions with an electrically insulating tape.
Absstract of: US20260331680A1
A battery pack capable of lashing a battery group without using a side rail that connects a pair of end plates together is obtained. A battery pack 1 of the present invention has a battery main body 20 having a battery group 30 in which a plurality of single batteries 31 have been laminated and a pair of end plates 40 that are respectively disposed at both ends of the battery group 30 in a lamination direction, an installation portion in which the battery main body 20 is installed, and brackets 50 that fix the battery main body 20 to the installation portion, and the brackets 50 hold the battery main body 20 in a state of being pressurized in the lamination direction.
Absstract of: US20260331737A1
0000 The disclosure provides a lid-disassembling device and a battery electrolyte injection apparatus. The lid-disassembling device comprises a rack and a conveying mechanism. The conveying mechanism comprises a baseplate, a lifting assembly, and a gripping assembly and a plurality of blocking assemblies. The gripping assembly may first be driven by the lifting assembly to move downward, and the upper lid is then clamped by the gripping assembly. While the gripping assembly clamps the upper lid, the plugs of the plurality of blocking assemblies may respectively enter the plurality of injection cups and block the liquid-draining holes of the injection cups. Then, the gripping assembly is moved upward under the drive of the lifting assembly to remove the upper lid from the pallet and thus separate the injection cup from the battery.
Absstract of: US20260331580A1
An electrolyte solution for a lithium-sulfur battery and a lithium secondary battery comprising the same are provided. The electrolyte solution includes a nonaqueous solvent, a lithium salt, a nitrate salt, and an aryl derivative, wherein the nonaqueous solvent includes a linear ether compound and a conjugated heterocyclic compound, and the aryl derivative includes a thiolate compound, a thiol compound, a disulfide compound, or a mixture of two or more thereof, wherein each of R1 to R4 is independently a 5- or 6-membered heteroaryl containing at least one N or S atom as a ring atom, and the electrolyte solution is capable of effectively suppressing capacity fading over repeated charge and discharge cycles of the lithium secondary battery.
Absstract of: US20260331638A1
A thermal regulation device for a battery includes a housing having at least two side walls and a circuit for circulation of the heat transfer fluid, and configured to house the battery including at least two battery cells. The heat transfer fluid circulates around the battery cells being supplied and discharged by input and output collectors. A spacer is installed between the battery cells, at least one of the collectors extends along the side wall. The circuit of the heat transfer fluid is defined at least in part by the spacer, and at least two orifices are arranged on the spacer. Each of the orifices open into the input collector and into the output collector, respectively.
Absstract of: US20260331647A1
A pouch-type battery case including a cup part having a recessed shape; and a gas pocket part disposed at one side of the cup part and having a recessed shape is provided. A wrinkle part folds or unfolds so that a depth of the gas pocket part varies depending on an internal pressure of the gas pocket part may be defined on a circumferential portion of the gas pocket part. The wrinkle part may include: a convex portion protruding to the outside of the gas pocket part; and a concave portion which is alternately disposed with the convex portion in a depth direction of the gas pocket part. A remaining thickness of the convex portion may be less than a remaining thickness of the concave portion.
Absstract of: US20260331942A1
0000 The present document describes techniques associated with temperature-based battery-charging-profile architectures and applications thereof. Although advances in battery chemistries may enable batteries to be charged at temperatures that are higher or lower than the limits of conventional-battery chemistries (e.g., 0 °C to 60 °C), conventional hardware is generally restricted (e.g., hardcoded) to those limits. However, the temperature-based battery-charging-profile architectures and applications thereof, as described herein, provide a low-cost solution for conventional battery-charging hardware to be able to charge batteries with battery chemistries having expanded charging limits. The techniques described herein enable charging of batteries at temperatures that are outside of the standard JEITA mask by utilizing a switching mechanism operated by a controller that switches, based on the battery temperature, to a different charge profile with a reduced charge rate at a reduced voltage and/or current without affecting the JEITA mask.
Absstract of: US20260331464A1
0000 A negative electrode for secondary batteries according to one embodiment of the present disclosure is characterized by comprising a negative electrode current collector and a negative electrode mixture layer that is arranged on the negative electrode current collector, and is also characterized in that: the negative electrode mixture layer contains a binder and a negative electrode active material that contains a carbon material and an Si-based material; the pore size distribution of the negative electrode mixture layer as determined by a mercury intrusion method has two peak values R1 and R2; the peak value RI is within the range of 0.5 μm to 1.5 μm; the peak value R2 is within the range of 2 μm to 10 μm; and the content of the binder contained in the negative electrode mixture layer is 4% by mass or more with respect to the total mass of the negative electrode active material.
Absstract of: US20260331655A1
A battery pack includes a plurality of cell units each including at least one battery cell and a cell cover surrounding and supporting the at least one battery cell and a pack case accommodating and supporting the plurality of cell units in an internal space, wherein the cell cover includes: a first cover portion covering one side of the at least one battery cell, a second cover portion covering the other side of the at least one battery cell, and a cap portion connecting the first cover portion to the second cover portion and covering an upper end portion of the at least one battery cell, wherein the cap portion is detachably coupled to the first cover portion and the second cover portion.
Absstract of: US20260331459A1
A positive electrode is characterized in that: the positive electrode mixture layer contains, as a positive electrode active material, a lithium-containing transition metal composite oxide having a layered structure; the lithium-containing transition metal composite oxide is in the form of secondary particles formed by aggregation of primary particles; a sulfonic acid compound represented by formula (I) is present on the surface of each of the secondary particles; and the positive electrode mixture layer includes a first compound containing at least one element of Ca and Sr, and a second compound containing P, or includes a phosphoric acid salt containing at least one element of Ca and Sr.
Absstract of: US20260331521A1
This application provides a current collector, an application of the current collector, a secondary battery, a battery module, a battery pack, and an electrical device. An undercoat is formed on a surface of the current collector. The undercoat includes a carbon nanomaterial. The carbon nanomaterial includes at least two selected from a zero-dimensional carbon material, a one-dimensional carbon material, or a two-dimensional carbon material. The undercoat is conducive to reducing a nucleation overpotential in metal ion deposition, and can effectively induce uniform deposition of metal ions, regulate the metal ion deposition, effectively suppress dendrite growth of the metal ions, and improve cycle performance and safety of the battery.
Absstract of: US20260331506A1
0000 The binder composition for an all-solid-state secondary battery in which a sulfide inorganic solid electrolyte is used contains a polymer including a (meth)acrylic acid alkyl ester monomer unit and an acetic acid ester solvent in which a hydrocarbon group having a carbon number of 6 to 9 is bonded to a non-carbonyl oxygen atom. The (meth)acrylic acid alkyl ester monomer unit includes a first (meth)acrylic acid alkyl ester monomer unit in which an alkyl group having a carbon number of 3 to 8 is bonded to a non-carbonyl oxygen atom and a second (meth)acrylic acid alkyl ester monomer unit in which an alkyl group having a carbon number of 1 to 2 is bonded to a non-carbonyl oxygen atom. A mass ratio of the first (meth)acrylic acid alkyl ester monomer unit relative to the second (meth)acrylic acid alkyl ester monomer unit is 2.1 to 2.5.
Absstract of: US20260331473A1
A lithium secondary battery is provided, having a silicon-based negative electrode, a positive electrode, a separator; and an electrolyte, wherein the positive electrode or silicon-based negative electrode is a pre-lithiated electrode, and wherein the silicon-based negative electrode has a certain silicon discharge capacity use range, and certain upper and lower ends of the silicon discharge capacity.
Absstract of: US20260331697A1
0000 A battery pack includes: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case configured to house the cell module assembly, and including a venting port on at least one surface of the pack case; and an outer cover that covers an outer surface of the pack case and is arranged apart from the outer surface of the pack case by a prescribed distance. A space between the pack case and the outer cover forms a venting flow path through which a venting gas, generated during a thermal event of the plurality of battery cells, is able to move. The venting gas is discharged to an outside of the battery pack through an opened space formed on at least one end part of the outer cover.
Absstract of: US20260331623A1
A cooling plate for battery thermal management in a battery pack and a process of forming such battery pack is provided. The cooling plate is formed of a composite material in the shape of a hollow structure. This composite material has a composition that includes a thermally conductive filler dispersed within a polymeric matrix. The hollow structure has an external wall with a thickness that is in the range of about 0.3 millimeters (mm) to about 2.5 mm. The hollow structure includes a top section, the top section being in thermal contact with at least one battery; a bottom section; the bottom section being integrally formed with the top section; and one or more channels located between the top section and the bottom section, the one or more channels being configured to allow a fluid to flow there through in order to provide for thermal management of the battery.
Absstract of: US20260331581A1
0000 Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by Formula 1, and is excellent in electrode film protection and an O<2 >scavenging effect, so that cycle properties and resistance properties of a lithium secondary battery including the non-aqueous electrolyte may be simultaneously improved,
0000
wherein all the variables are described herein.
Absstract of: US20260331593A1
0000 In the present invention, a negative electrode has a non-facing part on the side of the electrode body on the inner end side in the winding direction. The non-facing part has a composite material non-facing part, in which the negative electrode composition layer is formed on at least one surface of the negative electrode core. In the composite material non-facing part, the winding-direction length of a negative electrode composite layer formed on an inner circumference surface of the negative electrode core is 0.3 turns or more along the winding direction of the composite material non-facing part, and the winding-direction length of a negative electrode composite layer formed on an outer circumference surface of the negative electrode core does not exceed ⅔ of the winding-direction length of the negative electrode composite layer formed on the inner circumference surface of the negative electrode core.
Absstract of: US20260331598A1
0000 An electrolyte composition and a lithium metal battery comprising the same are provided. The electrolyte composition comprises an ether-based solvent and a fluoroborate-based lithium salt or a non-fluoroborate-based lithium salt dissolved in the ether-based solvent, where the fluoroborate-based lithium salt or the non-fluoroborate-based lithium salt and the ether-based solvent form a complex, and the electrolyte composition has low corrosivity to a lithium metal anode and also enables formation of a uniform coating film on the lithium metal anode.
Absstract of: US20260331739A1
0000 A battery pack including a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case including an internal space, and housing the cell module assembly in the internal space; and a fire extinguishing unit configured to extinguish a thermal event in the plurality of battery cells by supplying a fire extinguishing agent into the pack case when the thermal event occurs in the plurality of battery cells, wherein the pack case includes at least one drain port on at least one of a longitudinal edge and a widthwise edge of a bottom surface of the pack case.
Absstract of: US20260331517A1
0000 With respect to a nonaqueous electrolyte secondary battery according to the present disclosure, the positive electrode contains a lithium-containing composite oxide and a sulfonic acid compound that is present on the particle surfaces of the lithium-containing composite oxide; the sulfonic acid compound is represented by formula (I); the negative electrode comprises a negative electrode core body, a first negative electrode mixture layer that is arranged on the surface of the core body, and a second negative electrode mixture layer that is arranged on the surface of the first negative electrode mixture layer; the thickness T1 of the first negative electrode mixture layer and the thickness T2 of the second negative electrode mixture layer satisfy the relational expression 0.1≤T1/(T1+T2)≤0.9; the first negative electrode mixture layer and the second negative electrode mixture layer each contain a negative electrode active material and a binder; the binder content CI in the first negative electrode mixture layer and the binder content C2 in the second negative electrode mixture layer satisfy the relational expression C1>C2. (In the formula, A represents a group 1 element or a group 2 element, R represents a hydrocarbon group; and n is 1 or 2.)
0000
Absstract of: US20260331487A1
0000 The present invention relates to a positive electrode active material for a lithium rechargeable battery, which is a lithium transition metal oxide containing nickel (Ni) and manganese (Mn), wherein the lithium transition metal oxide may be a single particle and has a crystal defect rate of less than 3%.
Absstract of: US20260331698A1
A battery pack and a vehicle including the same are provided. The battery pack is configured to improve energy density and ensure structural stability even when a thermal event occurs. The battery pack includes a cell assembly, a cell case accommodating the cell assembly, the cell case including an open portion at least at one side thereof, and a pack housing to which the cell case is coupled, the pack housing including a venting path facing the open portion.
Nº publicación: US20260331458A1 22/10/2026
Applicant:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd.
Absstract of: US20260331458A1
0000 A positive electrode contains, as a positive-electrode active material, a lithium transition metal composite oxide that has a layered structure and contains at least 75 mol % of Ni with respect to the total molar quantity of metal elements excluding Li. The lithium transition metal composite oxide is made of secondary particles formed by aggregation of primary particles. At least one selected from the group consisting of Ca and Sr, and at least one selected from the group consisting of W, Mo, Ti, Si, Nb, and Zr, are present at the interface between primary particles inside the secondary particles. An electroconductive auxiliary agent within a positive-electrode compound layer includes at least one selected from the group consisting of particulate carbon materials having an average grain diameter of 20 nm or less and fibrous carbon materials having an average fiber diameter of 20 nm or less, the carbon materials containing carbon.
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