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1356
results.
Updated on
03/05/2026 [07:29:00]
Results 225 to 250 of 1356
Absstract of: US20260118442A1
A method for predicting a life deterioration point of a battery may be provided. The method for predicting a life deterioration point of a battery includes estimating a state of health (SoH) of a battery cell in each of a plurality of charge/discharge cycles, calculating a differentiation value representing a change in SoH of the battery cell in each of the plurality of charge/discharge cycles, calculating a threshold value for predicting the life deterioration point of the battery cell, and determining a point in time, at which an SoH differentiation curve representing the differentiation value of the battery cell for each of the plurality of charge/discharge cycles and the threshold value meet, as the life deterioration point of the battery cell.
Absstract of: DE102024131139A1
Die Erfindung betrifft eine Zwischenzellkühleinheit (16) für eine Batterie, zur Anordnung zwischen zwei Batteriezellen (14) eines Batteriemoduls (10) der Batterie, wobei die Zwischenzellkühleinheit (16) eine außenseitige erste Kühlfläche (16b), eine der ersten Kühlfläche (16b) bezüglich einer ersten Richtung (x) gegenüberliegende, außenseitige zweite Kühlfläche (16a), und einen von einem Kühlmittel durchströmbaren ersten Kühlkanal (30) umfasst. Dabei ist vorgesehen, dass die Zwischenzellkühleinheit (16) eine erste metallische Kühlplatte (26) umfasst, die die erste Kühlfläche (16b) bereitstellt, eine zweite metallische Kühlplatte (32) umfasst, die die zweite Kühlfläche (16a) bereitstellt, und eine komprimierbare Zwischenschicht (28) aus einem Kunststoffmaterial (M) umfasst, die zwischen der ersten und zweiten Kühlplatte (26, 32) angeordnet ist, und in der mindestens eine Gasblase (42) eingeschlossen ist.
Absstract of: WO2026087922A1
This invention is based on the behavior of VRLA batteries, unlike current lithium batteries. VRLA fully charged batteries store thermal energy while other batteries are charging and gradually release it back into the environment. It involves creating a bypass path on lithium batteries to keep the voltage slightly higher after charging, reducing power loss and allowing safe serialization without the need for a BMS. Components like diodes and voltage limiters manage the charging and discharging processes to optimize battery performance. Thermal energy is stored and exchanged with the external environment to prevent overheating. During discharging, the bypass path ensures continuous discharge for other batteries in the series. Transistors and controllers regulate the flow of energy during charging and discharging to maintain stable performance. Overall, this invention improves the efficiency and safety of lithium batteries by managing heat buildup and optimizing energy storage and discharge processes without needing a BMS.
Absstract of: DE102024131142A1
Die Erfindung betrifft eine Kühleinheit (16) für eine Batterie, wobei die Kühleinheit (16) eine metallische Kühlplatte (22) aufweist, eine an die metallische Kühlplatte (22) gefügte erste Kunststoffschicht (24) aus einem ersten Kunststoffmaterial (M1), und mindestens einen in der ersten Kunststoffschicht (24) verlaufenden Kühlkanal (26), der von einem Kühlmittel durchströmbar ist. Dabei ist vorgesehen, dass die Kühleinheit (16) eine an die erste Kunststoffschicht (24) gefügte zweite Kunststoffschicht (28) aus einem zweiten Kunststoffmaterial (M2) umfasst, so dass die erste Kunststoffschicht (24) zwischen der Kühlplatte (22) und der zweiten Kunststoffschicht (28) angeordnet ist, wobei die zweite Kunststoffschicht (28) bezüglich einer ersten Richtung (x) kompressibler ist als die erste Kunststoffschicht (24).
Absstract of: WO2026089242A1
The present invention relates to a negative electrode comprising: a negative electrode current collector layer; and a negative electrode active material layer disposed on one surface or both surfaces of the negative electrode current collector layer. The negative electrode active material layer contains a negative electrode active material layer composition containing a negative electrode active material. The negative electrode active material includes a silicon carbon composite. The negative electrode includes a first peak in the range of 0.25-0.35 V and a second peak in the range of 0.42-0.48 V in a dQ/dV spectrum of a discharge profile. Lithium metal is used as a counter electrode of the negative electrode for a lithium secondary battery. After N cycles of charging and discharging, the second peak (N cycles) satisfies Expression 1 below with respect to the first peak (N cycles) and the second peak (N cycles). Expression 1 (second peak (1 cycle) – second peak (2 cycles)) / second peak (1 cycle) × 100% ≤ 10
Absstract of: DE102024131683A1
Die Offenbarung betrifft eine Batteriezelle (1) für einen Batteriespeicher (12) mit einem zylindrischen, vorzugsweise kreiszylindrischen, Batteriezellgehäuse (2), welches einen Innenraum definiert, in welchem eine Elektrodenbaugruppe und ein Elektrolyt aufgenommen sind, und eine das Batteriezellgehäuse (2) zumindest abschnittsweise umgebende Hülle (4), wobei die Hülle (4) einen eine Mantelfläche des Batteriezellgehäuses (2) umgebenden Mantelabschnitt (6) und wenigstens einen Stirnabschnitt (8) aufweist, welcher wenigstens eine Stirnfläche des Batteriezellgehäuses (2) abschnittsweise umgibt, sowie einen Batteriespeicher (12) mit einer Mehrzahl an Batteriezellen (1).
Absstract of: WO2026086328A1
Disclosed in the present application are a marine battery system and a ship. The system comprises a battery assembly, a temperature regulation device and a control module, wherein the battery assembly comprises a battery, a temperature measurement device and a liquid cooling plate, the battery being mounted on the liquid cooling plate; the temperature regulation device is in communication with the liquid cooling plate; and the temperature measurement device and the temperature regulation device are each connected to the control module, and the control module is used for controlling the temperature regulation device to cool or heat the liquid cooling plate. The present application improves the reliability of a marine battery and prolongs the service life thereof.
Absstract of: US20260121441A1
A hybrid battery system (HBS) for supplying power during long-term outages and short-term outages for a datacenter and related methods are described. An example HBS comprising a set of solid-state hydrogen batteries (SSHBs) and a set of rechargeable batteries (RBs) is configured to supply power to compute resources associated with a datacenter. The hybrid battery system is coupled to fuel cells to supply hydrogen to the fuel cells by heating an SSHB. A power control system is configured to: (1) during a short-term outage associated with the datacenter, selectively cause a subset of the set of RBs to supply power to the compute resources, and (2) during a long-term outage associated with the datacenter, selectively cause heat to be supplied to the set of SSHBs, resulting in a supply of hydrogen to one or more of the fuel cells, allowing supply of power to the compute resources.
Absstract of: DE102025137251A1
Ein Kühlungssystem umfasst: ein Batteriepack, in dem ein Batteriemodul untergebracht ist; einen Einlasskanal und einen Auslasskanal, die mit dem Batteriepack verbunden sind; ein Gebläse, das in einem Pfad angeordnet ist, der sich von dem Einlasskanal zu dem Auslasskanal erstreckt; einen vorbestimmten Sensor, der so konfiguriert ist, dass er einen Erfassungswert erfasst, der sich auf die Kühlung des Batteriepacks bezieht; eine Speichereinheit, die so konfiguriert ist, dass sie Beziehungsinformationen speichert, die sich auf den Erfassungswert von dem Sensor und eine Kühlungsfähigkeit des Batteriepacks beziehen; und eine Verarbeitungseinheit, die so konfiguriert ist, dass sie einen Flutungspegel auf der Grundlage der Beziehungsinformationen und des Erfassungswerts von dem Sensor bestimmt.
Absstract of: WO2026088276A1
The present disclosure provides a means capable of improving the discharge capacity of a secondary battery that uses a solid electrolyte. The present disclosure relates to a secondary battery comprising a power generation element which has: a positive electrode active material layer that contains a positive electrode active material; a negative electrode active material layer that contains a negative electrode active material; and a solid electrolyte layer that is interposed between the positive electrode active material layer and the negative electrode active material layer. In the secondary battery, the solid electrolyte layer has, in order from the positive electrode active material layer side, a first polymer solid electrolyte layer that includes a first polymer solid electrolyte which contains a first ion conducting polymer and a first alkali metal salt, an inorganic solid electrolyte layer that contains an inorganic solid electrolyte, and a second polymer solid electrolyte layer that includes a second polymer solid electrolyte which contains a second ion conducting polymer and a second alkali metal salt. The concentration of the first alkali metal salt in the first polymer solid electrolyte layer is higher than the concentration of the second alkali metal salt in the second polymer solid electrolyte layer and is 70-90 mass%.
Absstract of: WO2026090325A1
Electrolyte blends for lowering resistance and enhancing charge-discharge cycle life in lithium-ion batteries (LiB) containing silicon include a lithium additive in a solvent. The solvent may include diethyl carbonate (DEC) and/or lithium difluorooxalatoborate (LiDFOB).
Absstract of: US20260121425A1
The present disclosure relates to a charging-discharging system comprising: a charging-discharging device defining a detachable space in which one or more battery cells are detachably disposed and charging and discharging the battery cells; and a calibration device detachably disposed in the detachable space. The charging-discharging device and the calibration device are referred to with reference to the contents described in the present specification.
Absstract of: WO2026089203A1
A battery pack according to an embodiment of the present invention comprises: a plurality of battery cell assemblies each including a battery cell and a cell cover surrounding the three surfaces, other than the bottom surface, of the battery cell; an upper case to which the plurality of battery cell assemblies are each detachably coupled; and a lower case coupled to the upper case so as to cover the bottom surfaces of the plurality of battery cell assemblies and made of a transparent material.
Absstract of: WO2026089167A1
Provided are an all-solid-state battery and a method of manufacturing the same. The all-solid-state battery including a negative electrode layer, a positive electrode layer, and a solid electrolyte layer disposed therebetween. The negative electrode layer includes a first negative electrode active material layer including a first negative electrode active material; a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second negative electrode active material; and a third negative electrode active material layer disposed on the second negative electrode active material layer and including a third negative electrode active material, an average D90 value of each of the first negative electrode active material and the third negative electrode active material is greater than or equal to 3.5 μm and less than or equal to 8 μm and is different from an average D90 value of the second negative electrode active material.
Absstract of: US20260121241A1
A power storage device includes a first power storage cell (power storage cell), a second power storage cell (power storage cell), and a conductor member. Each of the first power storage cell and the second power storage cell includes an electrode terminal near the conductor member. Each of the electrode terminal of the first power storage cell and the electrode terminal of the second power storage cell is connected to the conductor member via a conductive adhesive.
Absstract of: WO2026089356A1
The present invention relates to an electrolyte for a lithium secondary battery capable of improving the charging rate and lifespan characteristics of a lithium secondary battery, and a lithium secondary battery comprising same. The electrolyte for a lithium secondary battery comprises: a lithium salt; a solvent; and an additive, wherein the additive comprises a chlorine-substituted cyclic carbonate-based compound and a sulfone-based compound.
Absstract of: US20260121027A1
0000 Disclosed are positive electrodes and rechargeable lithium batteries. The rechargeable lithium battery includes a positive electrode that includes a current collector, an electrolyte, and a negative electrode. The positive electrode includes a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The second positive electrode active material layer includes a positive electrode active material that includes a lithium composite transition metal oxide, a plurality of pores, and a residual layer between the positive electrode active material and the pores. The residual layer includes sulfur (S).
Absstract of: WO2026089120A1
The present invention relates to a binder, a free-standing solid electrolyte membrane comprising same, and an all-solid-state battery comprising the free-standing solid electrolyte membrane. More specifically, a cyclic polymer is included, the cyclic polymer comprising first and second repeating units, and the first and second repeating unit being bonded to each other by a disulfide bond.
Absstract of: US20260121230A1
An electrode assembly, including a first electrode, a first separator on the first electrode, a second electrode on the first separator, a second separator on the second electrode, a winding including the first electrode, the second electrode, the first separator, and the second separator, wherein the second separator surrounds outer circumferences of the first electrode, the second electrode, and the first separator, resulting in a wound second separator, and an adhesive layer within the wound second separator.
Absstract of: WO2026087539A1
The invention pertains to the use of porous, chemically interconnected, carbon nanofibres-comprising carbon networks as electrochemically active material in an anode of a solid-state battery, as electrochemically active material in a cathode of an anode-less solid-state battery, and/or as matrix material in a solid-state electrolyte of a solid-state battery or of an anode-less solid-state battery.
Absstract of: US20260121115A1
A polymer electrolyte membrane for a lithium secondary battery according to the present disclosure includes a copolymer. The copolymer includes a main chain including a first repeating unit and a second repeating unit, a fluoroalkyl group bonded as a side chain to the main chain, and a nitrogen-based cationic functional group bonded as a side chain to the main chain via a linker. A lithium secondary battery according to the present disclosure includes the polymer electrolyte membrane for a lithium secondary battery.
Absstract of: WO2026089119A1
The present invention relates to an adhesive composition, an all-solid-state battery, and a method for manufacturing an all-solid-state battery. More specifically, a cyclic polymer is included, the cyclic polymer comprising first and second repeating units bonded to each other by a disulfide bond.
Absstract of: WO2026088624A1
This liquid-based lithium ion battery comprises: a positive electrode including a positive electrode current collector and positive electrode active material layers disposed on both surfaces of the positive electrode current collector; a negative electrode including a negative electrode current collector and negative electrode active material layers disposed on both surfaces of the negative electrode current collector; and a separator disposed between the positive electrode active material layers of the positive electrode and the negative electrode active material layers of the negative electrode, wherein the thickness of the positive electrode active material layers is 0.10 mm-0.22 mm, and the density of the positive electrode active material layers is 1.5 g／cm3-2.5 g/cm3.
Absstract of: DE102024130991A1
Batteriezellstack (20) aufweisend mindestens eine Batteriezelle (22) bei der an einer Zellwand (24), die weitestgehend nicht von einem Zellswelling bei Ladungs- und Entladungszyklen betroffen ist und die frei von einer Ventöffnung (26) ist, eine Kühlplatte (28) angeordnet ist.
Nº publicación: WO2026089148A1 30/04/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SOGANG UNIV RESEARCH & BUSINESS DEVELOPMENT FOUNDATION [KR]
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\uC11C\uAC15\uB300\uD559\uAD50 \uC0B0\uD559\uD611\uB825\uB2E8
Absstract of: WO2026089148A1
The present invention relates to an all-solid-state battery and a manufacturing method therefor. More specifically, a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive and negative electrode layers are included, wherein the solid electrolyte layer comprises electrolyte particles and cohesive polymer, the cohesive polymer comprising cyclic polymer which comprises first and second repeating units, and the first and second repeating units being bonded to each other by a disulfide bond.
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