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Publicaciones de los últimos 15 días/Last 15 days publications (excluidas pubs. CN y JP /CN and JP pubs. excluded)
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FÖRDERVORRICHTUNG

Publication No.:  DE102026104712A1 10/09/2026
Applicant: 
ISUZU MOTORS LTD [JP]
ISUZU MOTORS LIMITED
CN_122704615_PA

Absstract of: DE102026104712A1

Eine Fördervorrichtung umfasst einen Durchgangslochabschnitt 25, der den Drehkörper 20 durchdringt, ein Einführelement 30, das eine Vielzahl von Batteriezellen 90, die in einer ersten Ausrichtung angeordnet sind, so bewegt, dass die Vielzahl von Batteriezellen in den Durchgangslochabschnitt 25 eingeführt wird, wenn sich der Drehkörper 20 in dem ersten Zustand befindet, eine Begrenzungseinheit 35, die eine Bewegung der Vielzahl von Batteriezellen 90, die in die Durchgangslochabschnitte 25 eingeführt sind, begrenzt, eine Drehsteuereinheit 50, die den Drehkörper 20 aus dem ersten Zustand in den zweiten Zustand dreht, um die Vielzahl von Batteriezellen 90 aus der ersten Ausrichtung in eine zweite Ausrichtung, die um den vorbestimmten Winkel gedreht ist, zu verlagern, und ein Schiebeelement 40, das die Vielzahl von Batteriezellen 90 in der zweiten Ausrichtung aus dem Durchgangslochabschnitt 25 ausschiebt, wenn sich der Drehkörper 20 in dem zweiten Zustand befindet.

Heizsystem für ein Fahrzeug und Betriebsverfahren für ein Heizsystem eines Fahrzeugs

Publication No.:  DE102025108872A1 10/09/2026
Applicant: 
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft

Absstract of: DE102025108872A1

Die vorliegende Offenbarung betrifft ein Heizsystem für ein Fahrzeug, umfassend:- einen Kältekreislauf (100, 200) mit wenigstens einem Kältemittelverdichter (110, 210), der eingerichtet ist, um ein Kältemittel im Kältekreislauf (100, 200) zu zirkulieren, wobei der Kältekreislauf (100, 200) einen Bypass (BP) für den wenigstens einen Kältemittelverdichter (110, 210) umfasst, so dass der Kältekreislauf (100, 200) in einem Kurzschlussbetriebsmodus betreibbar ist, um Wärmeenergie für wenigstens eine Heizanwendung zu erzeugen; und- eines oder mehrere Steuermodule, die eingerichtet sind, um den Kurzschlussbetriebsmodus des Kältekreislaufs (100, 200) einzustellen und den wenigstens einen Kältemittelverdichter (110, 210) mit elektrischer Vertrimmung zur Wirkungsgradreduktion zu betreiben, so dass aufgrund der elektrischen Vertrimmung vom wenigstens einen Kältemittelverdichter (110, 210) erzeugte Wärmeenergie an das Kältemittel abgegeben wird, um weitere Wärmeenergie für die wenigstens eine Heizanwendung bereitzustellen.

BATTERY APPARATUS

Publication No.:  WO2026187078A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026187078_A1

Absstract of: WO2026187078A1

The technical concept of the present invention provides a battery apparatus comprising: a base frame; a plurality of battery cells mounted on the base frame; and a cooling structure which at least partially covers each of the plurality of battery cells, separates the plurality of battery cells from each other, and has a cooling channel configured to allow cooling fluid to flow therein.

Rundzelle mit zur effizienteren Kühlung optimiertem Design; sowie Batteriemodul

Publication No.:  DE102025108670A1 10/09/2026
Applicant: 
SCHAEFFLER TECHNOLOGIES AG [DE]
Schaeffler Technologies AG & Co. KG

Absstract of: DE102025108670A1

Die Erfindung betrifft eine Rundzelle (1) für ein Batteriemodul (2) eines zumindest teilweise elektrisch angetriebenen Kraftfahrzeuges, aufweisend ein Gehäuse (3) mit einer zylindrischen Außenmantelfläche (4) und einem zentralen Durchgangsloch (5) zur Durchführung eines der Temperierung dienenden Fluids. Zudem betrifft die Erfindung ein Batteriemodul (2) mit einer Vielzahl an Rundzellen (1).

BATTERY MODULE, BATTERY PACK COMPRISING BATTERY MODULE, AND VEHICLE

Publication No.:  WO2026187154A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026187154_A1

Absstract of: WO2026187154A1

A battery module, according to one embodiment of the present invention, comprises: a module case accommodating a plurality of battery cells therein and having a through-hole provided in one surface thereof; a cooling plate coupled to the one surface of the module case, having a flow path in which a refrigerant is accommodated, and configured to allow the refrigerant to be discharged into the through-hole upon occurrence of a thermal event of the battery cells; a sealing pad disposed between the module case and the cooling plate and sealing at least a portion of a space between the module case and the cooling plate; and a coupling part configured to bring the sealing pad into close contact with the module case and the cooling plate.

BATTERY PACK

Publication No.:  WO2026186516A1 10/09/2026
Applicant: 
AESC JAPAN LTD [JP]
\u682A\u5F0F\u4F1A\u793E\uFF21\uFF25\uFF33\uFF23\u30B8\u30E3\u30D1\u30F3
WO_2026186516_A1

Absstract of: WO2026186516A1

A battery pack (1) comprises battery cells (11), a housing (20) that accommodates the battery cells (11), and a flange (40) that is provided to the housing (20). The flange (40) has a pipe (411).

Computerimplementiertes Verfahren zum Bestimmen eines State of Health „SoH“-Zustands eines Hochvoltspeichers

Publication No.:  DE102025108876A1 10/09/2026
Applicant: 
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft

Absstract of: DE102025108876A1

Die Erfindung betrifft ein computerimplementiertes Verfahren (100) zum Bestimmen eines State of Health „SoH“-Zustands eines Hochvoltspeichers (10), aufweisend Schritte des Erhaltens einer ersten Schätzgröße(Da), welche auf wenigstens einem Parameter des Hochvoltspeichers (10) basiert; des Erhaltens wenigstens einer zweiten Schätzgröße(Db), welche auf wenigstens einem Parameter des Hochvoltspeichers (10) basiert; des Plausibilierens der erhaltenen Schätzgrößen (Da, Db, Dn) unter Verwendung eines vorbestimmten Plausibilisierungsalgorithmus; des Normalisierens der plausiblen Schätzgrößen (Da, Db, Dn); und des Verarbeitens der normalisierten Schätzgrößen (Da, Db, Dn).

POWER CONVERTER FOR ELECTRIC VEHICLE CHARGING

Publication No.:  WO2026185702A1 10/09/2026
Applicant: 
DCBEL INC [CA]
DCBEL LLC [US]
DCBEL INC.
DCBEL LLC
WO_2026185702_A1

Absstract of: WO2026185702A1

An EV battery charger capable of receiving AC power and delivering DC power to an electric power storage battery is adapted to operate with high-frequency isolation transformer on the DC side with one or two secondary coils and two DC outputs that can be used for lower voltage charging or higher voltage charging. A battery charger is also capable of bidirectional wireless power transfer between AC power supply and at least one EV battery.

DEVICE AND METHOD FOR DIAGNOSING BATTERY

Publication No.:  WO2026186963A1 10/09/2026
Applicant: 
SAMSUNG SDI CO LTD [KR]
\uC0BC\uC131\uC5D0\uC2A4\uB514\uC544\uC774 \uC8FC\uC2DD\uD68C\uC0AC
WO_2026186963_A1

Absstract of: WO2026186963A1

The present disclosure relates to a device and method for diagnosing a secondary battery. The device for diagnosing a battery may comprise a control device that detects a voltage and a capacity variation of a secondary battery during a plurality of consecutive charge/discharge cycles, and generates, for each of the plurality of charge/discharge cycles, a charge/discharge curve representing a relationship between the voltage and the capacity variation. Each of the plurality of charge/discharge cycles may include a charging period and a discharging period. The control device may determine, as a reference capacity, a capacity of the secondary battery at a start time or an end time of one of the charging period and the discharging period of a first charge/discharge cycle among the plurality of charge/discharge cycles, and obtain the capacity variation on the basis of the reference capacity.

BATTERY CELL, BATTERY APPARATUS AND ELECTRICAL APPARATUS

Publication No.:  WO2026183753A1 10/09/2026
Applicant: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026183753_A1

Absstract of: WO2026183753A1

Provided in the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises an electrode assembly, a casing and current collecting components, the electrode assembly comprising tabs, and the casing being used for accommodating the electrode assembly. The casing comprises a first end wall, a second end wall and a side wall, the first end wall and the second end wall being respectively arranged at two ends of the side wall in a first direction, the side wall being arranged around the electrode assembly, and one of the first end wall and the side wall having an abutting portion. A current collecting component is arranged between the first end wall and the electrode assembly, and is electrically connected to the electrode assembly and the abutting portion. In the first direction, the side of each current collecting component facing the electrode assembly is provided with a first recess, and the tabs are at least partially accommodated in the first recesses. By providing the first recesses on the side of the current collecting components facing the electrode assembly, and at least partially accommodating the tabs in the first recesses, the electrode assembly can utilize the space in the thickness direction of the current collecting components, so as to improve the space utilization rate of the battery cell, thus helping to increase the energy density of the battery cell.

CARBON MATERIAL, COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR, BATTERY NEGATIVE ELECTRODE AND SODIUM ION BATTERY

Publication No.:  WO2026184216A1 10/09/2026
Applicant: 
CHINA PETROLEUM & CHEMICAL CORP [CN]
SINOPEC DALIAN RESEARCH INST OF PETROLEUM AND PETROCHEMICALS CO LTD [CN]
\u4E2D\u56FD\u77F3\u6CB9\u5316\u5DE5\u80A1\u4EFD\u6709\u9650\u516C\u53F8
\u4E2D\u77F3\u5316\uFF08\u5927\u8FDE\uFF09\u77F3\u6CB9\u5316\u5DE5\u7814\u7A76\u9662\u6709\u9650\u516C\u53F8
WO_2026184216_A1

Absstract of: WO2026184216A1

The present invention relates to the technical field of negative electrode materials. Specifically disclosed are a carbon material, a composite material and a preparation method therefor, a battery negative electrode and a sodium ion battery. The pore size distribution of the carbon material exhibits two micropore distribution peaks, the pore size corresponding to a peak value of a first micropore distribution peak being smaller than the pore size corresponding to a peak value of a second micropore distribution peak, the pore size corresponding to the peak value of the first micropore distribution peak being 0.4-0.6 nm, and the pore size corresponding to the peak value of the second micropore distribution peak being 0.6-0.8 nm. The pore volume of the carbon material is 0.4-1 cm3/g. The composite material containing the carbon material and a carbon layer composited on a core surface has higher sodium storage specific capacity and first-cycle coulombic efficiency.

SECONDARY BATTERY AND PREPARATION METHOD THEREFOR, AND ELECTRIC DEVICE

Publication No.:  WO2026184256A1 10/09/2026
Applicant: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026184256_A1

Absstract of: WO2026184256A1

The present application belongs to the technical field of batteries, and provides a secondary battery and a preparation method therefor, and an electric device. The secondary battery comprises an electrode assembly, an electrolyte and an aluminum-plastic film, wherein the electrolyte comprises a first monomer, the first monomer comprising at least one of anhydride monomers and isocyanate monomers; along the thickness direction, the aluminum-plastic film comprises an aluminum foil, a bonding layer and an inner film, which are sequentially arranged; the inner film is close to the electrode assembly and has a melting point of 100-160°C; and the bonding layer comprises a binder and a second monomer, the second monomer comprising at least one aziridine monomer. The present application can improve the stability of the secondary battery while maintaining the cycle performance thereof.

SOLID-STATE BATTERY CELL, BATTERY DEVICE, ELECTRIC DEVICE, POSITIVE ELECTRODE, TWO-PHASE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Publication No.:  WO2026184285A1 10/09/2026
Applicant: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026184285_A1

Absstract of: WO2026184285A1

A solid-state battery cell, a battery device, an electric device, a positive electrode, a two-phase positive electrode material and a preparation method therefor. The solid-state battery cell comprises a positive electrode, an electrolyte layer, and a negative electrode. The electrolyte layer is located between the positive electrode and the negative electrode. The positive electrode comprises a positive electrode film layer. The positive electrode film layer comprises a positive electrode active material and a sulfide electrolyte. The positive electrode active material comprises a two-phase positive electrode material. The two-phase positive electrode material is composed of a first-phase positive electrode material and a second-phase positive electrode material. The first-phase positive electrode material comprises one or more of crystalline lithium titanium sulfide, crystalline lithium niobium sulfide, crystalline lithium titanium niobium sulfide, amorphous (lithium) niobium sulfide, and amorphous (lithium) titanium niobium sulfide. The second-phase positive electrode material comprises a material having the composition LibMeS a, wherein Me represents a transition metal element with variable valence, and the valence state of the Me element is lower than the highest valence state thereof; and a=(valence state of the Me element+b)/2. The solid-state battery cell exhibits high energy density, good cycle performance, and good rate performance.

BATTERY DEVICE

Publication No.:  WO2026187062A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026187062_A1

Absstract of: WO2026187062A1

A battery device according to embodiments may comprise: a plurality of battery cells; a plurality of bus bars electrically connected to the plurality of battery cells; a housing for accommodating the plurality of battery cells; a cooling unit disposed on at least one side of the plurality of battery cells and configured to cool the plurality of battery cells; and a heat transfer member for transferring, to the cooling unit, heat generated from the plurality of bus bars. At least one of the plurality of bus bars includes: a body portion connected to at least one lead tab of the plurality of battery cells; and a heat dissipation portion disposed on at least one side of the body portion and having a plurality of protrusions formed thereon, and the heat transfer member may be in contact with the heat dissipation portion.

BIPOLAR SECONDARY BATTERY ASSEMBLY AND BIPOLAR SECONDARY BATTERY PACK INCLUDING SAME

Publication No.:  WO2026187091A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026187091_A1

Absstract of: WO2026187091A1

A bipolar secondary battery assembly according to the disclosure of the present invention may include: a plurality of bipolar secondary batteries stacked on one another to be electrically connected to each other, and including a bipolar stack cell having a plurality of bipolar unit cells stacked therein, each bipolar unit cell having a positive electrode layer formed on one surface of an electrode plate and a negative electrode layer formed on the other surface of the electrode plate; and a cooling unit, at least a portion of which is disposed at a longitudinal end of the plurality of bipolar secondary batteries, so as to cool the plurality of bipolar secondary batteries.

ASSEMBLY WITH BATTERY STATUS DISPLAY

Publication No.:  US20260269343A1 10/09/2026
Applicant: 
ALSO INC [US]
Also, Inc.
US_20260269343_A1

Absstract of: US20260269343A1

An assembly of a micromobility device can include a housing. The housing can include an exterior surface defining at least one aperture. The assembly can include one or more battery cells. The one or more battery cells can power the micromobility device. The assembly can include a display assembly. The assembly can include a battery pack assembly. The housing can receive the battery pack assembly and the display assembly. The display assembly can be disposed interior to the exterior surface of the housing such that a display device aligns with the at least one aperture. The display device can present a status of the one or more battery cells based on a power level of the one or more battery cells. The display device can maintain presentation of the status of the one or more battery cells while requiring substantially no power to maintain the presentation of the status.

SECONDARY BATTERY MANUFACTURING APPARATUS AND SECONDARY BATTERY MANUFACTURING METHOD

Publication No.:  WO2026186981A1 10/09/2026
Applicant: 
SAMSUNG SDI CO LTD [KR]
\uC0BC\uC131\uC5D0\uC2A4\uB514\uC544\uC774 \uC8FC\uC2DD\uD68C\uC0AC
WO_2026186981_A1

Absstract of: WO2026186981A1

The present invention relates to a secondary battery manufacturing apparatus, and more specifically, comprises: a chamber part, the chamber part comprising an upper chamber and a lower chamber; a fixing die disposed inside the lower chamber, the fixing die being configured to seat a battery cell comprising a plurality of electrode tabs; a welding member disposed inside the upper chamber, the welding member being configured to weld the plurality of electrode tabs; and a cutting member disposed inside the lower chamber, the cutting member being configured to cut the plurality of electrode tabs, wherein the welding member may be configured to be positioned above the fixing die, and the cutting member may be configured to be positioned below the fixing die.

SECONDARY BATTERY AND ELECTRONIC APPARATUS

Publication No.:  WO2026183736A1 10/09/2026
Applicant: 
NINGDE AMPEREX TECH LIMITED [CN]
DONGGUAN AMPEREX TECH LIMITED [CN]
\u5B81\u5FB7\u65B0\u80FD\u6E90\u79D1\u6280\u6709\u9650\u516C\u53F8
\u4E1C\u839E\u65B0\u80FD\u6E90\u79D1\u6280\u6709\u9650\u516C\u53F8
WO_2026183736_A1

Absstract of: WO2026183736A1

A secondary battery and an electronic apparatus. The secondary battery comprises a housing, an electrode assembly, a first bonding member, and a plurality of bonding portions. A first electrode sheet of the electrode assembly comprises a first active material layer, a first current collector, and a second active material layer. The first current collector comprises a first surface facing a winding central axis and a second surface opposite the first surface, and the first active material layer and the second active material layer are respectively provided on the first surface and the second surface. The first electrode sheet of an outermost turn comprises a first region and a first ending region which are sequentially connected in a winding direction. The first ending region is not provided with the first active material layer and the second active material layer, and comprises a first edge and a second edge arranged opposite to each other in the winding direction. The plurality of bonding portions are bonded to the second surface located in the first ending region, and are also bonded to a surface of the housing facing the electrode assembly. The first bonding member bonds to the second surface located in the first ending region, and extends beyond the second edge and bonds to the second surface located in the first region.

VERFAHREN ZUR HERSTELLUNG EINES HOCHVOLTSPEICHERS

Publication No.:  DE102025108360A1 10/09/2026
Applicant: 
BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft

Absstract of: DE102025108360A1

Verfahren zur Herstellung eines Hochvoltspeichers, insbesondere für ein Kraftfahrzeug, umfassend ein Zellkontaktiersystem (2), das eine Vielzahl von Zellverbünden (3-8) des Hochvoltspeichers, umfassend jeweils wenigstens zwei Energiespeicherzellen (9), miteinander verbindet, wobei die Zellverbünde (3-8) mit einer Verbindungseinrichtung (16) für eine Verbindung mit einer Steuerungseinrichtung verbunden sind, wobei die Zellverbünde (3-8) mit jeweils wenigstens einem einzelnen Draht (10-15) mit der Verbindungseinrichtung (16) verbunden werden.

BATTERY CELL INCLUDING INSULATOR, AND BATTERY PACK AND VEHICLE INCLUDING BATTERY CELL, AND METHOD OF MANUFACTURING INSULATOR

Publication No.:  WO2026186998A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026186998_A1

Absstract of: WO2026186998A1

A battery cell including an insulator, and a battery pack and a vehicle including the battery cell, and a method of manufacturing the insulator are disclosed. The battery cell including the insulator, and the battery pack and the vehicle including the battery cell, and the method of manufacturing the insulator, according to one embodiment of the present invention, comprise: an electrode assembly including a cathode plate, an anode plate and a separator interposed between the cathode plate and the anode plate; a battery can in which the electrode assembly is accommodated; a cathode current collector plate electrically connected to the cathode plate; a cell terminal connected to the cathode current collector plate; and an insulator interposed between the battery can and the cathode current collector plate, wherein the insulator has an electrolyte discharge unit through which an electrolyte can be discharged.

BATTERY CORE TEMPERATURE PREDICTION METHOD AND SYSTEM BASED ON DEEP LEARNING ALGORITHM

Publication No.:  WO2026186950A1 10/09/2026
Applicant: 
INHA UNIV RESEARCH AND BUSINESS FOUNDATION [KR]
\uC778\uD558\uB300\uD559\uAD50 \uC0B0\uD559\uD611\uB825\uB2E8
WO_2026186950_A1

Absstract of: WO2026186950A1

The present invention proposes a battery core temperature prediction method and system based on a deep learning algorithm. The battery core temperature prediction system based on a deep learning algorithm, proposed in the present invention, comprises: a data collection unit for collecting real-time battery surface temperature data; a pre-processing unit for constructing a time-series training data set by using the correlation between the collected battery surface temperature data and core temperature data estimated on the basis of an equivalent thermal circuit; a learning unit for learning the time-series training data via a deep learning algorithm; and a prediction unit for predicting the temperature of a battery core on the basis of learning data derived from the learning unit and the real-time battery surface temperature data.

SOLID-STATE BATTERY CELL AND PREPARATION METHOD THEREFOR, SOLID-STATE BATTERY AND ELECTRIC DEVICE

Publication No.:  WO2026184257A1 10/09/2026
Applicant: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026184257_A1

Absstract of: WO2026184257A1

The present invention relates to the technical field of solid-state batteries. Disclosed are a solid-state battery cell and a preparation method therefor, a solid-state battery and an electric device. The solid-state battery cell comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer attached to the surface of the positive electrode current collector, with the positive electrode film layer comprising a positive electrode active material and a sulfide solid-state electrolyte, at least part of the surface of which contains lithium fluoride. By adding the sulfide solid-state electrolyte, at least part of the surface of which contains lithium fluoride, to the positive electrode film layer, lithium fluoride is stable in wet air, can isolate at least part of the sulfide solid-state electrolyte from direct contact with air, thereby improving the air stability of the sulfide solid-state electrolyte, and can further separate at least part of the sulfide solid-state electrolyte from the positive electrode active material, thereby alleviating the problem of side reactions between the two, and further enabling the solid-state battery cell to have good long-cycle stability.

CARBON MATERIAL, PREPARATION METHOD THEREFOR, USE THEREOF, AND SODIUM ION BATTERY

Publication No.:  WO2026184217A1 10/09/2026
Applicant: 
CHINA PETROLEUM & CHEMICAL CORP [CN]
SINOPEC DALIAN RESEARCH INST OF PETROLEUM AND PETROCHEMICALS CO LTD [CN]
\u4E2D\u56FD\u77F3\u6CB9\u5316\u5DE5\u80A1\u4EFD\u6709\u9650\u516C\u53F8
\u4E2D\u77F3\u5316\uFF08\u5927\u8FDE\uFF09\u77F3\u6CB9\u5316\u5DE5\u7814\u7A76\u9662\u6709\u9650\u516C\u53F8
WO_2026184217_A1

Absstract of: WO2026184217A1

The present invention relates to the field of carbon materials. Disclosed are a carbon material, a preparation method therefor, the use thereof, and a sodium ion battery. The carbon material has a fluffy surface layer formed by aggregation of fibrous structures, wherein the interlayer spacing d002 of aromatic layers of the carbon material is 0.37-0.42 nm, and d002 is calculated by means of Bragg's equation, d002=0.15406/(2sinθ(002)), where θ(002) is a Bragg angle corresponding to a (002) peak. The carbon material can optimize electrode material-electrolyte interface interaction, exhibits excellent overall performance, and has an initial specific discharge capacity as high as 320-450 mAh/g at the current density of 0.1 C and an initial coulombic efficiency of 87% or more.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Publication No.:  WO2026184269A1 10/09/2026
Applicant: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026184269_A1

Absstract of: WO2026184269A1

The present application relates to a battery cell, a battery device, and an electric device. A negative electrode active material of the battery cell comprises natural graphite having a particle size Dv50 of 5-25 μm; a conductive agent used for a negative electrode sheet includes a linear conductive agent; and the linear conductive agent has an average length of greater than or equal to 1 μm, and a length-to-diameter ratio of 500-20,000. The combined use of the natural graphite and the linear conductive agent having a certain length and length-to-diameter ratio significantly improves the low-temperature performance of a battery.

EMERGENCY ESTIMATION OF THE STATE OF CHARGE OF A BATTERY IN A SUBMARINE

Nº publicación: WO2026185116A1 10/09/2026

Applicant:

TKMS GMBH [DE]
THYSSENKRUPP AG [DE]
TKMS GMBH
THYSSENKRUPP AG

WO_2026185116_A1

Absstract of: WO2026185116A1

The present invention relates to a method for estimating the state of charge of an energy storage device on a submarine (10) having an on-board electrical system (40), wherein the string battery management system (24) has a protocol, wherein the protocol provides for an increase in the open-circuit voltage in accordance with the current-voltage characteristic curve, wherein the increase in voltage is selected depending on the remaining capacity, and wherein the lower the remaining capacity, the greater the increase in voltage.

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