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Resultados 1821 resultados
LastUpdate Última actualización 13/06/2025 [06:49:00]
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POSITIVE ELECTRODE MATERIAL OF SODIUM-ION BATTERY AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, BATTERY AND ELECTRIC DEVICE

NºPublicación:  WO2025112806A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112806_A1

Resumen de: WO2025112806A1

The present application belongs to the technical field of batteries. Provided are a positive electrode material of a sodium-ion battery and a preparation method therefor, a positive electrode sheet, a battery and an electric device. The positive electrode material of a sodium-ion battery comprises: a sodium-containing positive electrode material substrate and a modification layer formed on at least part of the surface of the sodium-containing positive electrode material substrate, wherein the modification layer comprises a sodium-metal oxide salt and a carbon material, the sodium-metal oxide salt comprising an assistant metal element, phosphorus and boron.

MULTI-ROW COATING DEVICE

NºPublicación:  WO2025113275A1 05/06/2025
Solicitante: 
JIANGYIN NANOPORE INNOVATIVE MATERIALS TECH LTD [CN]
\u6C5F\u9634\u7EB3\u529B\u65B0\u6750\u6599\u79D1\u6280\u6709\u9650\u516C\u53F8
WO_2025113275_PA

Resumen de: WO2025113275A1

A multi-row coating device. The multi-row coating device comprises an unwinding device, a coating structure, a water washing device, an anti-oxidation device, and a winding device which are sequentially and linearly arranged in an electrode sheet conveying direction. The coating structure comprises multiple rows of coating tanks, multiple cathode rollers (1) and multiple anode rollers (2) are correspondingly arranged on each row of coating tanks in the electrode sheet conveying direction, and an effective coating width between a single cathode roller (1) and a single anode roller (2) which are correspondingly arranged is less than or equal to 800 mm.

CONVEYING DEVICE AND BATTERY ASSEMBLY SYSTEM

NºPublicación:  WO2025112377A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112377_PA

Resumen de: WO2025112377A1

A conveying device (10) and a battery assembly system. The conveying device (10) comprises two conveyor belts (100), at least one clamping member set (120), and an adjusting assembly (140). The two conveyor belts (100) are arranged side by side and spaced apart from each other. Each clamping member set (120) comprises two clamping members (121), the two clamping members (121) are respectively arranged on the two conveyor belts (100), and the two clamping members (121) cooperate with each other to clamp an object to be conveyed. The adjusting assembly (140) is configured to adjust the spacing distance between the two clamping members (121) in response to a control signal.

SECONDARY BATTERY AND ELECTRIC DEVICE

NºPublicación:  WO2025112363A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112363_PA

Resumen de: WO2025112363A1

A secondary battery and an electric device. The secondary battery comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector, wherein the negative electrode film layer comprises a negative electrode active material; the negative electrode active material comprises a first carbon-based material and a second carbon-based material, both of which have a pore structure; and ID/IG of the first carbon-based material is less than or equal to 0.27, and ID/IG of the second carbon-based material is greater than or equal to 0.38, ID representing the D-peak intensity of a Raman spectrum at 1350±50 cm-1, and IG representing the G-peak intensity of the Raman spectrum at 1580±50 cm-1.

BATTERY PROCESSING APPARATUS AND PROCESSING METHOD

NºPublicación:  WO2025112374A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112374_PA

Resumen de: WO2025112374A1

A battery processing apparatus (600) and processing method. The battery processing apparatus (600) comprises a material conveying assembly (610), a pairing assembly (630) and a welding assembly (690); the material conveying assembly (610) is used for conveying a first electrode assembly (250) and a second electrode assembly (251), wherein the first electrode assembly (250) and the second electrode assembly (251) each comprise an electrode body portion (220) and a tab portion (201) arranged on the electrode body portion (220); the pairing assembly (630) is used for pairing the first electrode assembly (250) and the second electrode assembly (251), so as to make the electrode body portion (220) of the first electrode assembly (250) and the electrode body portion (220) of the second electrode assembly (251) overlap each other; the welding assembly (690) is used for welding the tab portion (201) of the paired first electrode assembly (250) and the tab portion (201) of the paired second electrode assembly (251) to each other. In this way, the production efficiency of a battery cell (1) can be improved.

NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

NºPublicación:  WO2025112489A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112489_A1

Resumen de: WO2025112489A1

A negative electrode sheet, a secondary battery, and an electrical apparatus. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active layer formed on at least one surface of the negative electrode current collector, the negative electrode active layer comprising a middle region and an edge region, and the edge region being located around the middle region. The mass percent of an alkali metal salt polymer in the middle region is greater than the mass percent of the alkali metal salt polymer in the edge region. The alkali metal salt polymer can improve the quick charging performance of the battery. Furthermore, in the negative electrode active layer, the mass percentage of the alkali metal salt polymer in the middle region is greater than the mass percentage of the alkali metal salt polymer in the edge region, such that the reabsorption of electrolyte during cycling of the secondary battery can be promoted, and the negative electrode active layer can be more fully infiltrated by the electrolyte, thereby further improving the cycle performance of the secondary battery.

LITHIUM SECONDARY BATTERY

NºPublicación:  WO2025116403A1 05/06/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025116403_A1

Resumen de: WO2025116403A1

The present invention relates to a lithium secondary battery with improved high-temperature cycle characteristics and, more specifically, to a lithium secondary battery comprising a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode comprises lithium iron phosphate as a positive electrode active material, the loading amount of the positive electrode is 32 mg/cm2 to 60 mg/cm2, and the electrolyte comprises a lithium salt, a first organic solvent, a second organic solvent, a first additive and a second additive, wherein the first organic solvent is a cyclic lactone compound, the second organic solvent is a carbonate organic solvent, the first additive is lithium nitrate (LiNO3) and the second additive is an imidazole compound.

LITHIUM SECONDARY BATTERY

NºPublicación:  WO2025116399A1 05/06/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025116399_A1

Resumen de: WO2025116399A1

The present invention relates to a lithium secondary battery having improved high-temperature cycle characteristics and, more specifically, to a lithium secondary battery comprising a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode comprises lithium iron phosphate as a positive electrode active material, the loading amount of the positive electrode is 32 mg/cm2 to 60 mg/cm2, and the electrolyte comprises a lithium salt, a first organic solvent, a second organic solvent, a first additive and a second additive, wherein the first organic solvent is a cyclic lactone compound, the second organic solvent is a carbonate organic solvent, the first additive is lithium nitrate (LiNO3) and the second additive is a sulfonyl imide compound.

GEL POLYMER ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY COMPRISING SAME

NºPublicación:  WO2025116396A1 05/06/2025
Solicitante: 
SAMSUNG SDI CO LTD [KR]
\uC0BC\uC131\uC5D0\uC2A4\uB514\uC544\uC774\uC8FC\uC2DD\uD68C\uC0AC
WO_2025116396_PA

Resumen de: WO2025116396A1

Provided are: a gel polymer electrolyte for a lithium battery; and a lithium battery comprising same. The gel polymer electrolyte for a lithium battery comprises a gel polymer and a liquid electrolyte. The gel polymer is i) a crosslinked product of a multifunctional acrylic monomer having three or more polymerizable functional groups, or ii) a crosslinked product of a first polymerizable monomer and a second polymerizable monomer, wherein the first polymerizable monomer is a multifunctional acrylic monomer having three or more polymerizable functional groups, and the second polymerizable monomer is a urethane acrylic monomer having two or more polymerizable functional groups, a polymerizable monomer containing a perfluoropolyether (PFPE) unit and having two or more polymerizable functional groups, or a combination thereof. The liquid electrolyte contains a lithium salt, an organic solvent, and butyronitrile, and the lithium salt includes lithium difluoro (oxalato) borate and lithium tetrafluoroborate.

SENSOR ASSEMBLY AND BATTERY CELL TEST DEVICE COMPRISING SAME

NºPublicación:  WO2025116379A1 05/06/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025116379_PA

Resumen de: WO2025116379A1

The present invention relates to a battery cell test device. The battery cell test device for checking the characteristics of a battery cell, according to one aspect of the present invention, comprises: a support frame capable of supporting the battery cell; and a sensor assembly provided on one side of the support frame so as to sense the characteristics of the battery cell, wherein the sensor assembly can include a sensor, and a holder coupled to the support frame to support the sensor.

SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

NºPublicación:  WO2025116407A1 05/06/2025
Solicitante: 
POSCO HOLDINGS INC [KR]
\uD3EC\uC2A4\uCF54\uD640\uB529\uC2A4 \uC8FC\uC2DD\uD68C\uC0AC
WO_2025116407_A1

Resumen de: WO2025116407A1

The present invention relates to a sulfide-based solid electrolyte comprising a sulfide-based compound which contains lithium (Li), phosphorus (P), sulfur (S), and a halogen element (D) and has an argyrodite-based crystal structure, wherein the compound further includes a basic functional group (E), the molar ratio (D/P) of the halogen element (D) to phosphorus (P) in the compound is 1-2, and the moisture stability of the compound is 75% or more.

ALL-SOLID-STATE LITHIUM-ION SECONDARY BATTERY

NºPublicación:  WO2025116397A1 05/06/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025116397_PA

Resumen de: WO2025116397A1

Disclosed is an all-solid-state lithium-ion secondary battery in which, by surface-treating a current collector included in a lithium-free anode with a lithiophilic material, the surface-treated material induces a uniform lithium plating reaction on the current collector even during rapid charging, thereby improving performance. The all-solid-state lithium-ion secondary battery comprises a cathode, a solid electrolyte layer, an anode current collector, and an anode active material layer disposed between the solid electrolyte layer and the anode current collector, wherein the anode current collector includes: a base material; and a lithiophilic layer positioned on the surface of the base material.

SOLID ELECTROLYTE AND ALL SOLID STATE BATTERY COMPRISING SAME

NºPublicación:  WO2025116421A1 05/06/2025
Solicitante: 
POSCO HOLDINGS INC [KR]
\uD3EC\uC2A4\uCF54\uD640\uB529\uC2A4 \uC8FC\uC2DD\uD68C\uC0AC
WO_2025116421_A1

Resumen de: WO2025116421A1

The present invention relates to a sulfide-based solid electrolyte which comprises lithium (Li), phosphorus (P), sulfur (S), and a halogen element (D), and has an argyrodite-based crystal structure, wherein at least a portion of the crystal structure is doped with at least one element among boron (B) and aluminium (Al), and the moisture stability is at least 75%.

SEALING DEVICE

NºPublicación:  WO2025116331A1 05/06/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025116331_PA

Resumen de: WO2025116331A1

A sealing device according to one embodiment of the present invention may comprise: a lead film that encompasses a lead metal of an electrode lead; a sealing block that seals a pouch encompassing the lead film and that has at least one sealing surface for pressing the lead film and the pouch, which overlap; and a sealing protrusion, which is provided at one portion of the sealing surface and protrudes a predetermined thickness from the sealing surface in the pressing direction of the sealing block so as to prevent the lead film from moving in the width direction of the sealing surface.

RESIN COMPOSITION FOR POLYMER SOLID ELECTROLYTE AND POLYMER SOLID ELECTROLYTE MEMBRANE FOR ALL-SOLID SECONDARY BATTERY COMPRISING SAME

NºPublicación:  WO2025116330A1 05/06/2025
Solicitante: 
LOTTE CHEMICAL CORP [KR]
SOELECT INC [US]
\uB86F\uB370\uCF00\uBBF8\uCE7C \uC8FC\uC2DD\uD68C\uC0AC,
\uC18C\uC77C\uB809\uD2B8 \uC778\uCF54\uD3EC\uB808\uC774\uD2F0\uB4DC
WO_2025116330_PA

Resumen de: WO2025116330A1

The present invention relates to: a resin composition for polymer solid electrolyte, comprising: a lithium salt; and a blended polymer of a polyacrilonitrile (PAN) polymer and a poly(acrylonitrile-co-methyl methacrylate) (PMMA) copolymer; and a polymer solid electrolyte membrane for an all-solid secondary battery, comprising same.

NONAQUEOUS ELECTROLYTE FOR SECONDARY BATTERY, AND SECONDARY BATTERY

NºPublicación:  WO2025115698A1 05/06/2025
Solicitante: 
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
\u30D1\u30CA\u30BD\u30CB\u30C3\u30AF\uFF29\uFF30\u30DE\u30CD\u30B8\u30E1\u30F3\u30C8\u682A\u5F0F\u4F1A\u793E
WO_2025115698_PA

Resumen de: WO2025115698A1

A nonaqueous electrolyte for a secondary battery, the nonaqueous electrolyte containing a nonaqueous solvent, a salt dissolved in the nonaqueous solvent, and an additive dissolved in the nonaqueous solvent, wherein: the additive contains a 1,4-dioxane compound and a sulfur-containing compound; and the sulfur-containing compound has a SO3 structure and/or a SO4 structure.

ELECTROLYTE ADDITIVE, ELECTROLYTE, BATTERY AND ELECTRIC DEVICE

NºPublicación:  WO2025113667A1 05/06/2025
Solicitante: 
GUANGZHOU TINCI MATERIALS TECH CO LTD [CN]
JIUJIANG TINCI MATERIALS TECH CO LTD [CN]
\u5E7F\u5DDE\u5929\u8D50\u9AD8\u65B0\u6750\u6599\u80A1\u4EFD\u6709\u9650\u516C\u53F8,
\u4E5D\u6C5F\u5929\u8D50\u9AD8\u65B0\u6750\u6599\u6709\u9650\u516C\u53F8
WO_2025113667_A1

Resumen de: WO2025113667A1

The present disclosure provides an electrolyte additive, an electrolyte, a battery, and an electric device. The electrolyte additive, which is for use in batteries having silicon-based negative electrodes, comprises a first additive and a first lithium salt, wherein the first additive comprises tetravinylsilane and tris(vinyldimethylsilyl) phosphate, and the first lithium salt comprises lithium tetrafluoro oxalato phosphate.

CONNECTION STRUCTURE, COVER PLATE ASSEMBLY AND BATTERY

NºPublicación:  WO2025112649A1 05/06/2025
Solicitante: 
HUIZHOU EVE POWER CO LTD [CN]
EVE POWER CO LTD [CN]
\u60E0\u5DDE\u4EBF\u7EAC\u52A8\u529B\u7535\u6C60\u6709\u9650\u516C\u53F8,
\u6E56\u5317\u4EBF\u7EAC\u52A8\u529B\u6709\u9650\u516C\u53F8
WO_2025112649_PA

Resumen de: WO2025112649A1

A connection structure (100), a cover plate assembly and a battery. The connection structure (100) comprises a tab connecting portion (1) and a terminal post connecting portion (2) which are arranged at an included angle, wherein the tab connecting portion (1) is configured to be connected to a tab (501) of a core pack (500), the terminal post connecting portion (2) is configured to be connected to a terminal post (300), and the thickness of the tab connecting portion (1) is greater than the thickness of the terminal post connecting portion (2), such that a distance from the tab (501) welded to the tab connecting portion (1) to a side surface of the core pack (500) is greater than the thickness of the terminal post connecting portion (2). The thickness of the terminal post connecting portion (2) being smaller than the thickness of the tab connecting portion (1) can increase a distance between a welding position of the tab connecting portion (1) and the core pack (500), so as to reduce the heat transfer speed; and the reduced thickness of the terminal post connecting portion (2) can reduce the space occupied by the tab connecting portion (1) in a housing, thus increasing the utilization rate of the space of the battery, and also increasing the battery capacity.

COOLING TUBE, BATTERY ASSEMBLY, AND ELECTRICAL APPARATUS

NºPublicación:  WO2025113159A1 05/06/2025
Solicitante: 
BYD COMPANY LTD [CN]
\u6BD4\u4E9A\u8FEA\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025113159_PA

Resumen de: WO2025113159A1

The present application discloses a cooling tube, a battery assembly, and an electrical apparatus, and relates to the technical field of battery cooling. The cooling tube is used to cool the battery assembly. The cooling tube comprises multiple first tubes arranged along a first direction and extending along a second direction, the first direction intersecting with the second direction, a first width of a first tube in the first direction being W1, a second width between every two adjacent first tubes being W2, and the first width W1 and the second width W2 satisfying the expression: W1≥(1/3)*W2. By means of defining the first width W1 of the first tube to be greater than or equal to one third of the second width W2 between adjacent first tubes, it is ensured that a contact area between the first tubes and the battery assembly is sufficiently large, and that the second width W2 between every two adjacent first tubes is identical, so that the cooling tube and the battery assembly are uniformly heated, thereby improving heat dissipation uniformity of the cooling tube and the battery assembly.

NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE

NºPublicación:  WO2025112768A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112768_PA

Resumen de: WO2025112768A1

A negative electrode active material, a negative electrode sheet, a battery, and an electric device. The negative electrode active material comprises artificial graphite particles and a carbon layer arranged on at least parts of the surfaces of the artificial graphite particles, wherein the volume average particle size Dv50 of the negative electrode active material satisfies: 3 µm≤Dv50≤7 µm; the volume distribution granularity Dv1 of the negative electrode active material satisfies: Dv1≤1.5 µm.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

NºPublicación:  WO2025112769A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112769_PA

Resumen de: WO2025112769A1

A battery cell (20), a battery (100), and an electrical device. The battery cell (20) comprises a housing (21), an electrode assembly (22), a pressure relief mechanism (23), and an insulating piece (24). The housing (21) comprises a first wall (211), and a second wall (212) connected to the first wall (211). The electrode assembly (22) is arranged in the housing (21). The second wall (212) surrounds the electrode assembly (22), and a first gap (25) is formed between the electrode assembly (22) and the second wall (212). The pressure relief mechanism (23) is arranged on the first wall (211). The insulating piece (24) is arranged between the first wall (211) and the electrode assembly (22), the insulating piece (24) is used for forming an airflow channel (26) in communication with the first gap (25), and the airflow channel (26) extends to the pressure relief mechanism (23).

WRAPPING DEVICE AND WRAPPING METHOD FOR ELECTRODE ASSEMBLY

NºPublicación:  WO2025112545A1 05/06/2025
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025112545_PA

Resumen de: WO2025112545A1

The present application discloses a wrapping device and wrapping method for an electrode assembly. The electrode assembly comprises an electrode main body; and the electrode main body has a first direction, a second direction, and a third direction which are orthogonal to one another, and comprises two main faces, two end faces, and two side faces. The wrapping device comprises a material storage and release assembly, a cutting assembly, and a first wrapping assembly. The material storage and release assembly is used for storing and releasing a material strip, the material strip comprises a plurality of wrapping films which are sequentially connected in the length direction of the material strip, and each wrapping film comprises two main wrapping areas which are spaced apart from each other and a connecting area connected between the two main wrapping areas. The cutting assembly is used for cutting a head end wrapping film located at the head end of the material strip from the material strip. The first wrapping assembly is used for wrapping the connecting area of the head end wrapping film onto the first of the two end faces, and wrapping the two main wrapping areas respectively onto the corresponding one of the two main faces to form an electrode wrapping body. In this manner, the operation complexity of a wrapping process can be simplified.

CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

NºPublicación:  WO2025116400A1 05/06/2025
Solicitante: 
LG CHEM LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uD654\uD559
WO_2025116400_A1

Resumen de: WO2025116400A1

The present invention relates to a cathode active material in a single particle form, the cathode active material comprising: a lithium composite transition metal oxide in a single particle form that has a layered structure; and a coating part containing cobalt formed on the lithium composite transition metal oxide in a single particle form, wherein the cathode active material satisfies expression 1 or expression 2 described in the present specification. Furthermore, the present invention relates to a cathode and a lithium secondary battery comprising the cathode active material.

COVER PLATE ASSEMBLY AND BATTERY

NºPublicación:  WO2025113688A1 05/06/2025
Solicitante: 
SVOLT ENERGY TECH CO LTD [CN]
\u8702\u5DE2\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2025113688_PA

Resumen de: WO2025113688A1

Provided are a cover plate assembly and a battery, relating to the field of battery structures. The cover plate assembly comprises poles (101) and a cover plate body (102); each pole (101) comprises a penetrating part (104) and a compressing part (105); the penetrating part (104) and the compressing part (105) are of an integrated structure; mounting holes (103) are formed in the cover plate body (102); the penetrating part (104) penetrates through a corresponding mounting hole (103) so as to be connected to an electrode group; on the outer side of the cover plate body (102), a material of the pole (101) flows outwards to form the compressing part (105) compressed on the outer side of the cover plate body (102), so that the pole (101) is formed and mounted at the corresponding mounting hole (103). According to the provided cover plate assembly, a riveting block structure in the prior art is omitted, thereby reducing the number of parts, and improving the production efficiency. Moreover, a cold heading process is performed on the poles (101), so that the compressing parts (105) are formed on the outer side of the cover plate body (102), thereby realizing the mounting and fixing of the poles (101), reducing material consumption, reducing the overall height of the poles (101) and heights of outer poles (101), and improving the battery capacity.

MESH-STRUCTURED LITHIUM ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Nº publicación: WO2025116174A1 05/06/2025

Solicitante:

SILI ENERGY INC [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC2DC\uB9AC\uC5D0\uB108\uC9C0

WO_2025116174_PA

Resumen de: WO2025116174A1

The present invention provides a mesh-type lithium electrode manufactured by forming a structure with a fiber bundle composed of a plurality of fibers and forming a conductive layer on the surface of the structure. The mesh-type lithium electrode uniformly disperses the distribution of an electric field applied during charging/discharging of a battery, and thus prevents the formation of dendrites and excess lithium in a negative electrode, made of lithium metal, during operation of the battery.

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