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953
results.
Updated on
15/03/2026 [07:16:00]
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: 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: EP4707833A1
A battery management apparatus according to an embodiment disclosed herein includes a voltage measurement unit configured to measure a voltage of each of a plurality of batteries and a controller configured to calculate a first deviation, which is a deviation between a long moving average and a short moving average of a battery voltage for each of the plurality of batteries, calculate a second deviation, which is a deviation between a long moving average and a short moving average of an average voltage of the plurality of battery cells, and calculate a first diagnosis deviation between the first deviation and the second deviation for each of the plurality of battery cells, calculate an accumulative deviation by accumulating the first diagnosis deviation when the first diagnosis deviation of at least one of the plurality of batteries exceeds a threshold value, and diagnose at least one of the plurality of batteries as an abnormal battery, based on the accumulative deviation.
Absstract of: EP4708540A1
A separator for an electrochemical device includes a porous polymer substrate; a coating layer provided on at least one surface of the porous polymer substrate and including a first polymer binder and inorganic particles; and an adhesive layer provided on the coating layer and including a second polymer binder, in which the first polymer binder is a solution type binder, and a content of the first polymer binder included in a portion of the coating layer adjacent to the porous polymer substrate is greater than a content of the first polymer binder included in another portion facing away from the porous polymer substrate.
Absstract of: EP4708454A1
This application discloses a battery module, a battery pack, and an electrical device. The battery module comprises a shell, a cell assembly, and a first heat dissipation element. The cell assembly is disposed in the shell. The cell assembly includes a plurality of battery cells. Each battery cell includes a cell housing and electrode terminals extends out of the cell housing. The first heat dissipation element is provided with a first heat dissipation channel. The first heat dissipation channel communicates with the outside. The first heat dissipation element is provided with a first heat dissipation recess. The first heat dissipation recess accommodates at least one cell housing. A part of each cell housing is disposed in the first heat dissipation recess. In this application, by disposing the first heat dissipation recess on the first heat dissipation element and disposing a part of the cell housing in the first heat dissipation recess, the heat of a battery cell can be directly conducted to the first heat dissipation element. The heat is taken away through the first heat dissipation channel, thereby shortening the heat dissipation path. The first heat dissipation recess can increase the heat dissipation area of the first heat dissipation element, thereby improving the heat dissipation efficiency, simplifying the structure of the battery module, and facilitating assembling.
Absstract of: EP4706478A1
The present disclosure relates to a cleaner, more particularly, to a battery including a protrusion protruding toward one side from the battery body; and a button configured to selectively fix the battery body to the battery receiving part, and is capable of allowing easy operation of the button to release the handle, and allowing the button to be formed compact without protruding outward.
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: EP4708456A1
Disclosed is a battery pack. The battery pack includes a case providing an inner space and having an opening; a plurality of battery cells positioned inside the case; and a cooling channel configured to partition the opening.
Absstract of: EP4708554A1
Disclosed herein relates to a battery pack for accommodating a cell assembly comprising a pair of external terminals, including: a pack case in which a cell assembly is seated, wherein the pack case includes: a base plate supporting a lower part of the cell assembly; and a protective cap coupled to a center part of the base plate, wherein the protective cap covers an external terminal of each cell assembly accommodated.
Absstract of: EP4708373A1
The present application provides a cathode material comprising the following raw materials in parts by weight: 10 parts of a porous carbon conductive agent, 7 to 14 parts of an additive, 38 to 44 parts of an active material, and 32 to 40 parts of a solid electrolyte, wherein the active material comprises sulfur powder, and the additive comprises one or both of phosphorus pentasulfide and phosphorus trisulfide. Elemental sulfur reacts with lithium ions during battery discharge to form lithium sulfide, which can react with the additive to in-situ generate a lithium phosphorus sulfur solid electrolyte. The lithium phosphorus sulfur solid electrolyte not only enables most of the active material to participate in the charge-discharge cycle, improving the utilization rate of the active material, but also forms an ionic conductive network, allowing lithium ions to conduct faster. It also enhances the ionic conductivity of the cathode material, achieving high specific capacity and cycling stability in all-solid-state lithium-sulfur batteries under high areal loading conditions.
Absstract of: EP4708598A1
A bracket structure and a battery pack are provided herein. The bracket structure includes a mounting bracket (1), the mounting bracket (1) comprises a first mounting end (1A) and a second mounting end (1B) disposed opposite to each other in a first direction(Z), the first mounting end (1A) is configured to mount a copper busbar (2), the second mounting end (1B) is configured to be connected to a battery box(11), at least one side of the mounting bracket (1) in a second direction (Y) is configured to mount a harness (3), the second direction (Y) intersects with the first direction(Z); in the first direction(Z), the harness (3) is located between the first mounting end (1A) and the second mounting end(1B).
Absstract of: EP4708428A1
The present invention provides a lead tab including a metal substrate including aluminum and a metal layer laminated on both sides of the metal substrate, wherein the metal layer includes 70 to 99.9 wt% of chromium, wherein the lead tab has a gloss of 60 to 100 (Gs 60°), and has a water contact angle of 60 to 80°.
Absstract of: EP4708403A1
A secondary battery, including: a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive current collector and a positive active material layer formed on the positive current collector, the positive active material layer includes a positive active material and polyvinyl butyral, and the electrolyte includes lithium difluorophosphate and a trinitrile compound. A shedding resistance of the positive electrode is improved, an initial resistance of the secondary battery is further reduced, and a low-temperature rate characteristic is further improved.
Absstract of: EP4708426A1
The present invention provides a lead tab comprising: a metal substrate including aluminum; and a metal layer disposed on both sides of the metal substrate; wherein the metal layer comprises 70 to 99.9 wt% of chromium and wherein the lead tab has an ultrasonic welding strength of 70 kgf/mm<sup>2</sup> or more.
Absstract of: EP4708427A1
The present invention provides a lead tab comprising: a metal substrate including aluminum; and a metal layer disposed on both sides of the metal substrate; wherein the metal layer comprises 70 to 99.9 wt% of chromium and wherein the lead tab has a laser welding strength of 40 kgf/mm<sup>2</sup> or more.
Absstract of: EP4708488A1
The present disclosure may provide a battery module including a plurality of battery cells having a storage portion and a sealing portion, respectively, and configured to be stacked on each other, a module case configured to store the plurality of battery cells in an inner space, and a pressing member positioned to face at least one surface of a terrace portion where an electrode lead is located in the sealing portion of the battery cell, and configured to pressurize the terrace portion when internal pressure inside the battery cell increases.
Absstract of: EP4708461A1
The present technology provides a battery pack including a pack housing including a bottom plate with a first cooling channel and a top plate with a second cooling channel, and a battery assembly between the bottom plate and the top plate of the pack housing, in which the battery assembly includes a separation structure including a plurality of cell accommodation spaces separated from each other in a first direction, and attached to the top plate via an upper thermally conductive adhesive layer, a plurality of battery cells accommodated in the plurality of cell accommodation spaces of the separation structure, and extending in a second direction perpendicular to the first direction, respectively, and a heat dissipation fin configured to thermally couple at least one of electrode leads of the plurality of battery cells to the bottom plate.
Absstract of: EP4708615A1
An integrated battery management system, including a first circuit board on which a wireless communication unit is mounted, and a second circuit board on which a microcontroller unit is mounted, the second circuit board being a predetermined distance above the first circuit board.
Absstract of: EP4707056A1
Embodiments of the present disclosure provide an energy storage apparatus, the energy storage apparatus including a cabinet body, an energy storage component, a charging gun and a cable, wherein air vents and a cable outlet are arranged on an outer surface of the cabinet body, the air vents include air inlets, and the air inlets are used for airflow entering the cabinet body; the energy storage component is arranged in the cabinet body; the charging gun is configured to be separable from the outer surface of the cabinet body; and a portion of the cable is positioned outside the cabinet body, one end of the cable is electrically connected to the charging gun, the other end enters the cabinet body through the cable outlet and is electrically connected to the energy storage component, and at least a portion of the cable passes through the air inlets.
Absstract of: EP4707054A1
The present disclosure discloses an energy storage device, belonging to the technical field of batteries. The energy storage device comprises a cabinet, a battery pack, a charging converter, a charging connector, a cooling system and a first heat dissipation apparatus. The battery pack is installed inside the cabinet. The charging converter is electrically connected to the battery pack. The charging connector is electrically connected to the charging converter to transmit electric energy converted by the charging converter. The cooling flow channels of the charging connector and the cooling flow channels of the charging converter are arranged in the cooling system. The first heat dissipation apparatus is at least partially arranged in the cooling system to cool the charging connector and the charging converter. The cooling flow channels of the charging converter and the cooling flow channels of the charging connector in the embodiments of the present disclosure are both arranged in the cooling system, and the first heat dissipation apparatus is cooled by a fan to cool the charging converter and the charging connector.
Absstract of: EP4707354A1
Disclosed is a heat resistant tape including a flexible tape base material, an adhesive layer added to an outer surface of one side of the tape base material, and a heat resistant layer located on a surface of the adhesive layer, wherein the heat resistant tape is reliably attached and secured by the adhesive layer exposed as the tape base material is stretched.
Absstract of: EP4708472A1
Disclosed are a battery cell with an improved structure and a battery module including the same, and more particularly a battery cell including an electrode assembly having an electrode tab protruding therefrom, the electrode assembly including a positive electrode, a separator, and a negative electrode, a pair of cover separators located so as to wrap the electrode assembly, the pair of cover separators including a first cover separator and a second cover separator, a pouch case configured to receive the electrode assembly and the pair of cover separators, an electrode lead having one side connected to the electrode tab and an other side protruding outward from the pouch case, and an insulating film located between the pouch case and the electrode lead and a battery module including the same.
Absstract of: EP4708499A1
An energy storage device according to the present disclosure comprises a plurality of battery modules including a plurality of battery cells; a case for accommodating the battery modules; and a support frame for supporting a plurality of the battery modules in the case, wherein the support frame comprises a lower support member on which at least one battery module is supported, and an upper support member on which at least one battery module is supported.
Nº publicación: EP4708377A1 11/03/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: EP4708377A1
Disclosed are positive electrodes and all-solid-state batteries including the positive electrodes. A positive electrode includes a positive electrode current collector, a positive electrode active material layer on the positive electrode current collector, and a porous film in the positive electrode active material layer. The positive electrode active material layer includes positive electrode active material particles and solid electrolyte particles. The positive electrode active material layer has a first section and a second section that are distinct across the porous film. The first section is between the positive electrode current collector and the porous film. An average particle diameter of the solid electrolyte particles in the first section is different from an average particle diameter of the solid electrolyte particles in the second section.
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