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1601
results.
Updated on
20/03/2026 [07:15:00]
Results 900 to 925 of 1601
Absstract of: EP4708391A1
A lithium secondary battery includes: a positive electrode; a negative electrode; an electrolyte; and a separator. The positive electrode includes first and second positive electrode active materials having different average particle diameters (D<sub>30</sub>). The average particle diameter (D<sub>50</sub>) of the first positive electrode active material is larger than that of the second positive electrode active material. The first and second positive electrode active materials include single-particle type particles. The negative electrode includes a silicon-based negative electrode active material, and the lithium secondary battery has an IRF value of 1 to 1.4, defined by Equation 1 below. IRF=RpRn. In the Equation 1, each variable is the same as described above in this specification.
Absstract of: EP4708430A1
An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte are disclosed. The electrolyte may include a nonaqueous (e.g., water-insoluble) organic solvent, a lithium salt, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2. A more detailed description of the first additive and the second additive is provided in the present disclosure.
Absstract of: EP4708467A1
A secondary battery according to an embodiment of the present disclosure may include an electrode assembly, a support frame surrounding a part of the electrode assembly, a sheet-type outer packaging material surrounding a remaining part of the electrode assembly to form an accommodation space accommodating the electrode assembly together with the support frame, and coupled to the support frame to define the accommodation space separated from outside of the support frame, and an electrode terminal electrically connected to an electrode tab of the electrode assembly, and disposed in the sheet-type outer packaging material such that it is exposed to outside of the sheet-type outer packaging material.
Absstract of: EP4708502A1
A cell assembly according to an embodiment of the present disclosure may include a plurality of battery cells stacked on each other and each having an electrode lead; a first bonding body formed to contact the electrode leads of the plurality of battery cells; and a second bonding body formed to contact the plurality of battery cells and non-overlapped with the first bonding body, wherein the first bonding body may be made of a material having lower hardness than the second bonding body.
Absstract of: AU2024265063A1
The present disclosure concerns a method (100) for producing recycled graphite, the method (100) comprising the steps of providing a reclaimed graphite concentrate comprising any one or more of carboxymethyl cellulose and styrene-butadiene rubber, pre-treating (120) the reclaimed graphite concentrate by subjecting the reclaimed graphite concentrate to an oxidizing environment at a temperature in the range 250 - 380 °C, thereby reducing the total concentration of carboxymethyl cellulose and styrene- butadiene rubber to less than 0.25 %, and thermally treating (130) the pre-treated reclaimed graphite concentrate by subjecting the pre-treated reclaimed graphite concentrate to a non-oxidizing environment at a temperature of at least 2300 °C. The invention also describes a recycled graphite, use of a recycled graphite, and a battery comprising a recycled graphite.
Absstract of: WO2025022197A1
Castable compositions are described. The castable composition comprise a liquid silicone rubber, a thixotropic agent comprising organic fibrils, and hollow glass microspheres. Cured compositions and methods of making the castable compositions, as well as battery modules comprising a plurality of battery cells and such cured compositions are also described.
Absstract of: CN121039820A
The present invention relates to a composition for preparing a positive electrode undercoat layer comprising a polyacrylic acid binder having a low molecular weight and carbon particles. The invention also relates to the use of said composition for producing a positive electrode and to a positive electrode which can be used for producing a rechargeable battery cell.
Absstract of: TW202508973A
A process of synthesizing a lithium lanthanum zirconium oxide (LLZO) powder may include mixing a lithium salt, water, and a precursor blend comprising a lanthanum precursor and a zirconium precursor to form a mixture. The process may include heating the mixture at low pressure to form a dried lithiated powder. The process may include calcining the dried lithiated powder to form a lithium lanthanum zirconium oxide powder. The LLZO powder may include a cubic garnet phase purity of greater than 95 wt%.
Absstract of: CN121039177A
The present invention relates to a composition in powder form comprising a polymer P1 comprising monomeric units derived from a vinylidene fluoride monomer M0 or monomeric units derived from a monomer M2 of formula R1R2C = C (R3) C (O) R wherein the substituents R1, R2 and R3 are selected independently of each other from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3 or-OR ', wherein R' is selected from H and C1-C18 alkyl optionally substituted by one or more-OH groups or a five or six membered heterocycle comprising at least one nitrogen atom in its ring chain; or a mixture of M0 or M2 monomeric units; characterised in that the polymer P1 has a particle size distribution Dv99 of less than 89 mu m and a particle size distribution Dv10 of greater than 2.0 mu m.
Absstract of: MX2025013093A
Blended cathode active materials including an iron phosphate based active material and a nickel oxide based active material, and methods of manufacture, are described. The blended cathode active materials enable energy storage devices with improved performances, including but not limited to improved capacity retention and cycling lifetime.
Absstract of: WO2024227995A1
The invention relates to a device for controlling an electric motor (7) of a vehicle (1), comprising: a pedal assembly (14); means (23) for estimating state variables (Xi) each making it possible to estimate the value of one force from a set of forces (Fload) opposing or contributing to the progress of the vehicle (1); wherein the control means (25) comprise a memory storing a set of steady states (SSmap) of the pedal assembly (14) defining the instantaneous power (Pssp user) for keeping the speed (v) of the vehicle (1) constant according to the values of the state variables (Xi); the control means (25) being configured to accelerate or decelerate the vehicle (1) if the power applied by the user (Puser) is higher or lower, respectively, than the instantaneous power for keeping the speed of the vehicle constant (Pssp user).
Absstract of: AU2024275183A1
The present invention relates to a process for the concentration of lithium in metallurgical fumes wherein a metallurgical charge is smelted, thus obtaining a molten bath comprising a slag phase and optionally an alloy phase and fuming the lithium from the molten slag, by addition of a halogen intermediate, wherein the halogen intermediate is produced from the Li halide fumed from the molten slag. The halide is thus efficiently re-used in the process, while the lithium is recovered and isolated.
Absstract of: CN121038952A
A thermal barrier article includes a multilayer material including a first fabric layer disposed on a first side of a ceramic layer and a second fabric layer disposed on an opposite side of the ceramic layer. The thermal barrier article may also include an alternating arrangement of a plurality of fabric layers and ceramic layers. In each of these aspects, the thermal barrier article has sufficient flexural and thermal characteristics to withstand a flexural adjustment test and a pyrotechnic explosion test that has a temperature of at least 1200 DEG C and expels particles of non-solid mass.
Absstract of: CN121039819A
The invention relates to a method for preparing a positive electrode undercoat layer, which combines two polyacrylic acid binders of different molecular weights and carbon particles. The invention also relates to a composition suitable for use in said method and to a positive electrode useful in the manufacture of a rechargeable battery cell.
Absstract of: WO2024227929A1
The present invention relates to an electrode for use in a rechargeable alkaline battery. The electrode comprises a current collector, an active material which is loaded on the current collector, and an anion-exchange membrane, wherein the active material comprises MnO2 or Zn and the anion-exchange membrane comprises a crosslinked benzimidazole polymer. The present invention further relates to a rechargeable alkaline battery comprising the electrode as a positive electrode, when the active material comprises MnO2, or as a negative electrode, when the active material comprises Zn.
Absstract of: CN121100108A
The present invention provides a positive electrode active material for a non-aqueous electrolyte secondary battery, which is composed of Li Lix (Ni1-y-z-wCoyMnzMw) 1-x O2 (M is one or more elements other than Li, Ni, Co, Mn, and O; 0.1 < = x < = 0.15, 0lt; y < = 0.4, 0 < = z < = 0.4; and 0 < = w < = 0.1), and when a DTG curve of a sample charged using lithium as a counter electrode is divided into a plurality of peaks, has a first peak and a second peak in a temperature range of 150 DEG C to 350 DEG C, wherein a top portion of the first peak shows a maximum DTG value and a top portion of the second peak shows a maximum DTG value in peaks appearing at a peak top portion at a temperature that differs from a temperature appearing at the top portion of the first peak by at least 20 DEG C, and the DTG value at the top portion of the first peak is 1 to 9 times the DTG value at the top portion of the second peak.
Absstract of: CN121079268A
The invention relates to a solid material obtainable by melt quenching a mixture of lithium sulfide, boron sulfide, boron oxide and a lithium halide to form a glassy solid suitable for use as a lithium ion conductive electrolyte. These sulfide-based lithium ion conductive solid electrolytes exhibit high ionic conductivity.
Absstract of: WO2024231297A1
The present invention pertains to a binder for Li-ion battery positive electrode, to a method of preparation of said electrode and to its use in a Li-ion battery. The invention also relates to the Li-ion batteries manufactured by incorporating said electrode.
Absstract of: CN120826806A
The invention relates to a method for producing a battery cell (10), wherein the battery cell (10) has a housing. The battery cell (10) has an electrochemical cell arranged inside a housing having a first housing part (12). An electrically insulating first coating (14) is applied to at least the first housing part (12) before the electrochemical cell is introduced into the housing.
Absstract of: CN121194946A
The present invention relates to a resource-saving method for producing an alkali metal-containing positive electrode active material by using condensed water from a precursor without using additional purified water. The invention also relates to the purification of alkali metal-containing wash water produced during the production of positive electrode active materials. According to the invention, the alkali metal precursor recovered in the production process is returned to the production process.
Absstract of: EP4708490A1
The present disclosure is a housing stacking energy storage system. In the present disclosure, a first housing 10 and a second housing 20 having a predetermined size are stacked, and a rack 30 is installed in a first inner space 11 of the first housing 10 and a second inner space 21 of the second housing 20 to mount a plurality of battery packs 32. The first inner space 11 and the second inner space 21 communicate with each other to form one space, and a control unit 46, a fire extinguishing system 47 and a spray system 48 are installed therein. According to the present disclosure, it is possible to firmly install the energy storage system having a relatively large capacity in a specific installation area.
Absstract of: WO2024060827A1
A lithium ion battery cell and a lithium ion battery. The lithium ion battery cell comprises a battery cell unit, and the battery cell unit comprises: a positive electrode sheet; a negative electrode sheet; a separator located between the negative electrode sheet and the positive electrode sheet so as to separate the positive electrode sheet from the negative electrode sheet; and an overcharge protection layer which can conduct electrons and ions, wherein the overcharge protection layer is located between the negative electrode sheet and the separator, at least one side of the separator or negative electrode sheet is provided with the overcharge protection layer, and the oxidation of the overcharge protection layer is higher than that of lithium ions. The lithium ion battery cell has good battery thermal safety performance and overcharge performance.
Absstract of: FR3165999A1
Procédé de fabrication d'une cellule en sachet comprenant les étapes suivantes: - formation, dans un film (20) multicouche, d'une première cavité (11) et d'une deuxième cavité (12), la première cavité et la deuxième cavité ayant un bord (13) en commun intégrant une ligne (14) de pliage permettant un rabattement de la première cavité (11) sur la deuxième cavité (12) de sorte à former un sachet apte à recevoir un empilement d'électrodes;- formation d'une première goulotte (15) semi-cylindrique dans le bord de la première cavité (11) et d'une deuxième goulotte (16) semi-cylindrique dans le bord de la deuxième cavité (12) de sorte que, lorsque la première cavité (11) est rabattue sur la deuxième cavité (12), la deuxième goulotte (16) forme avec la première (15) goulotte un conduit (17) apte à recevoir un câble s'étendant dans ledit sachet. Figure pour l’abrégé : Fig.2
Absstract of: FR3166002A1
Cellule électrochimique comprenant :- une enveloppe comportant un premier et un deuxième logement formant un logement principal lorsque l’enveloppe extérieure est repliée autour d’un axe de pliage,le premier logement étant bordé transversalement par un premier bord et par un deuxième bord et parallèlement à l'axe de pliage par un troisième bord;le deuxième logement étant bordé transversalement par un quatrième bord et par un cinquième bord et parallèlement à l'axe de pliage par un sixième bord;- le premier bord et le quatrième bord étant solidaires selon une première jonction thermoscellée,- le deuxième bord et le cinquième bord étant solidaires selon une deuxième jonction thermoscellée,- le troisième bord et le sixième bord étant solidaires selon une troisième jonction thermoscellée;l’une au moins des jonctions comprenant une première portion d’une première épaisseur et une deuxième portion d’une deuxième épaisseur supérieure à la première épaisseur. Figure pour l’abrégé : Fig.2
Nº publicación: FR3165826A1 06/03/2026
Applicant:
STELLANTIS AUTO SAS [FR]
FCA US LLC [US]
STELLANTIS AUTO SAS,
FCA US LLC
Absstract of: FR3165826A1
Un procédé de gestion de la charge électrique d’un véhicule automobile ayant une motorisation électrique alimentée par une batterie est mis en œuvre par un processeur et comprend les étapes de : recueil (201) des consommations électriques de la motorisation, des fonctions de confort et de la mise en température de charge de la batterie ;détermination (203) à partir des consommations électriques recueillies et de la charge restante de la batterie d’une distance maximale atteignable ;recherche (205) d’une station de recharge de la batterie se trouvant à une distance inférieure à la distance maximale atteignable. Un dispositif pour mettre en œuvre ce procédé et un véhicule automobile comprenant le dispositif sont également décrits. Figure à publier avec l’abrégé : Fig 2
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