Resumen de: KR20260034494A
실시예에 따른 전고체 이차 전지는 양극, 음극, 그리고 고체 전해질을 포함하는 전고체 셀; 그리고 상기 전고체 셀을 가압하는 가압 모듈을 포함하고, 상기 가압 모듈은 서로 이격되어 대향하며, 상기 전고체 셀의 양면과 접촉하여 가압하는 하부 가압판 및 상부 가압판, 그리고 상기 하부 가압판 및 상기 상부 가압판 사이에 설치되며, 상기 하부 가압판 및 상기 상부 가압판을 서로 체결하며 상기 전고체 셀을 가압하는 압력을 제공하는 가압 부재를 포함하고, 상기 가압 부재는 상기 전고체 셀이 위치한 방향으로 상기 하부 가압판 및 상기 상부 가압판을 당기며, 상기 가압 부재는 상기 전고체 셀과 대응하여 위치한다.
Resumen de: US20260066501A1
A secondary battery temperature evaluation apparatus, including a case having an opening in at least one end of the case, an electrode assembly being accommodated in the case, a temperature detector attached to the electrode assembly accommodated in the case, the temperature detector detecting a temperature and outputting a temperature detection signal, and a wire connected to the temperature detector, the wire being exposed after passing from inside to outside of the case and through which the temperature detection signal is transmitted outside of the case.
Resumen de: WO2026054418A1
Disclosed are a lithium manganese iron phosphate (LMFP) positive electrode active material for a lithium secondary battery and a method for manufacturing same. The positive electrode active material according to the present invention comprises: an LMFP represented by LiMnaFebPO4 (a + b = 1, a > 0, b > 0); and a carbon layer coated on the surface of the LMFP, and satisfies relational expression 1. Relational expression 1 1.65 ≤ (WcХ10)/S0 ≤ 2.0 In relational expression 1, Wc represents the content (wt%) of carbon in the positive electrode active material as measured using an element analyzer, and S0 represents the sum of surface areas (m2/g) per unit mass of primary particles constituting one secondary particle of LMFP.
Resumen de: WO2026054193A1
The present invention relates to a negative electrode for a secondary battery, the negative electrode comprising: a negative electrode current collector; and a negative electrode coating layer disposed on the negative electrode current collector, wherein the negative electrode coating layer includes a carbon material and metal nanoparticles dispersed in the carbon material. The metal nanoparticles each include a core containing silver and an organic layer disposed on the core, wherein the organic layer has a thickness of 2-5 nm from the surface of the metal nanoparticle toward the center of the metal nanoparticle.
Resumen de: WO2026054365A1
Provided is an electrode assembly according to exemplary embodiments of the present invention. The electrode assembly comprises, laminated in a first direction, positive and negative electrodes, a separator, and an insulation member, wherein the insulation member comprises one or more holes overlapping the electrode in the first direction. The electrode assembly allows ions to move through the one or more holes and may be in the form of a stack.
Resumen de: KR20260034325A
본 발명은 리튬 p-톨루엔술피네이트(PTSL, lithium p-toluenesulfinate), 고분자 바인더 및 용매를 포함하는 분리막 코팅용 조성물, 다공성 지지체 일면 또는 양면에 리튬 p-톨루엔술피네이트(PTSL, lithium p-toluenesulfinate)가 코팅된 이차전지 분리막 및 상기 분리막을 포함하는 이차전지에 관한 것이다.
Resumen de: KR20260034324A
본 발명은 2차전지 스태킹 공정에 사용하기 위하여 매가진(magazine)에 적재된 전극재와 같은 박판들을 유체흐름의 코안다효과를 이용한 진공 흡착 및 진동 발생에 의하여 1매의 박판만을 낱장으로 분리하여 이송하는 박판의 진공분리 및 흡착 장치에 관한 것이다. 본 발명의 박판의 진공분리 및 흡착 장치는 진공포트(11) 및 흡착구(13)가 구비되어 있는 베이스(10)와, 상기 베이스(10)의 중앙 상부에 이송 로보트 팔이 연결되는 로보트 팔 연결대(12)를 포함하고, 상기 베이스(10)의 좌우에 각각 박판을 1매씩 분리하는 진공분리장치(X)가 구비되어 있으며; 상기 진공분리장치(X)는, 상기 베이스(10)에 대하여 스윙할 수 있도록 구성되어 있으며 하면에 압축공기를 분출하는 노즐(22)이 형성되어 있는 윙(20)과, 상기 윙(20)을 스윙하도록 구동하는 윙구동장치(30)를 포함하며; 상기 윙(20)의 노즐(22)로 압축공기를 공급하도록 되어 있으며; 상기 윙(20)의 노즐(22)로부터의 압축공기의 분사방향은 윙(20)의 저면쪽으로 향하도록 되어 있는 것을 특징으로 한다.
Resumen de: US20260066401A1
A folding processing apparatus for a battery cell includes a first guide member defining a first folding line on a first surface of a sealing portion of a battery cell, a second guide member defining a second folding line on the first surface of the sealing portion, a first bending member defining the first folding line on a second surface of the sealing portion and bending the sealing portion along the second folding line, and a second bending member bending the sealing portion by 180 degrees along the first folding line.
Resumen de: WO2026054267A1
A foreign substance sensing device according to one embodiment of the present invention comprises: a pipe along which a fluid passes; electrodes disposed to surround the pipe; and a foreign substance detection sensor that senses, by means of the electrodes, a change in capacitance caused by foreign substances in the fluid passing along the pipe. As the electrodes, a positive electrode and a negative electrode may be alternately disposed along the circumference of the pipe.
Resumen de: KR20260034308A
본 발명은 본 발명은 프리차지(Precharge) 수행 중 발생되는 방전전류의 사용을 차단하고 돌입 전류(inrush current)를 방지할 수 있도록 한 프리차지 회로 및 이를 구비하는 배터리 팩에 관한 것이다. 본 발명의 실시 예에 따른 프리차지 회로는, 하나 이상의 배터리 셀이 연결된 셀 집합체 및 커패시터(C)를 구비하고, 배터리 팩 출력단자(Pack+, Pack-)를 통해 부하로 전력을 공급하는 배터리 팩에 구비되는 프리차지 회로에 있어서, 배터리 팩의 충방전 선로(A)에 구비되어, 주 경로를 통한 상기 셀 집합체와 상기 배터리 팩 출력단자(Pack+, Pack-) 사이의 방전경로를 개폐하는 포지티브 컨텍터와, 배터리 팩의 충방전 선로(A)에 구비되어 상기 포지티브 컨텍터와 병렬로 연결되고, 프리차지 저항(R)과 직렬로 연결되어, 프리차지 경로를 통한 상기 셀 집합체와 상기 배터리 팩 출력단자(Pack+, Pack-) 사이의 방전경로를 개폐하는 프리차지 컨텍터와, 상기 커패시터(C)와 상기 부하 사이의 충방전 선로(A)에 구비되어, 상기 커패시터(C)와 상기 부하 간의 방전경로를 개폐하는 방전차단 컨텍터와, 상기 포지티브 컨텍터, 상기 프리차지 컨텍터 및 상기 방전차단 컨텍터의 개폐를 제어하는 제어신호를 출력하는 제어부를 포함한다.
Resumen de: US20260062380A1
Provided is a method of preparing a benzenesulfonyl compound by reacting a compound represented by the following Chemical Formula,and an n-hydric alcohol in the presence of a phase transfer catalyst and an alkali metal hydroxide, whereinR1 to R5 are independently of one another hydrogen, a halogen, C1-C7 alkoxy, or C1-C7 alkyl;X is a residue derived from the n-hydric alcohol;n is an integer of 1 to 4; andY is a halogen. The method has an excellent reaction speed even under mild reaction conditions and may produce the benzenesulfonyl compound in a high yield.
Resumen de: EP4708434A1
A battery with excellent cycle characteristics, the battery comprising a cathode layer, an electrolyte layer and an anode layer, wherein the cathode layer comprises a cathode active material and an add-in material; the cathode active material comprises a S element; the add-in material comprises a Cl element and at least one metal element selected from the group consisting of a Mn element, a Y element, a Sn element, a V element, a Nb element and a Ta element; and the add-in material is less than 10% by mass of the cathode layer.
Resumen de: EP4708450A1
A battery pack includes battery cells; a thermistor configured to measure temperature information of at least one of the battery cells; a cell holder configured to control an assembling position of the battery cells and including an assembling piece configured to cause an assembling position of the thermistor toward position not to deviate from the battery cells and an assembling posture of the thermistor oriented toward the battery cells; and a circuit portion connected to the thermistor that is configured to receive the measured temperature information from the thermistor. Accordingly, the reliability of the temperature measurement with respect to the battery cells may be improved.
Resumen de: EP4708545A1
A secondary battery according to embodiments of the present disclosure includes a first electrode assembly including a first electrode tab which includes a plurality of 1-1 uncoated parts, each bent in a first direction, and a first auxiliary electrode tab protruding from the same side as the first electrode tab, a second electrode assembly which is stacked on the first electrode assembly in the first direction and includes a second electrode tab including a plurality of 2-1 uncoated parts, each bent in a direction opposite to the first direction, and a second auxiliary electrode tab protruding from the same side as the second electrode tab, and a current collection plate that entirely covers the first electrode tab and the second electrode tab, and is electrically connected to the first electrode tab and the second electrode tab, wherein the first electrode tab is bent in the first direction to contact the second auxiliary electrode tab, and the second electrode tab is bent in the direction opposite to the first direction to contact the first auxiliary electrode tab.
Resumen de: EP4707272A1
Provided is a method of preparing a benzenesulfonyl compound which is performed in the presence of a phase transfer catalyst and an alkali metal hydroxide, and the method has an excellent reaction rate even under mild reaction conditions and may produce the benzenesulfonyl compound in a high yield.
Resumen de: EP4708522A2
A battery module according to one embodiment of the present disclosure includes first and second cell block assemblies that include a battery cell stack and are arranged along a direction perpendicular to the stacking direction of the battery cell stack; a module frame that houses the first and second cell block assemblies and is opened in a front and rear direction; and a cooling plate arranged below the bottom portion of the module frame, wherein a flow path through which refrigerant flows is formed in the cooling plate, and the flow path is formed in a direction parallel to the arrangement direction of the first and second cell block assemblies.
Resumen de: EP4708306A2
A system, device, method, and program for acquiring feature data for material composition information based on artificial intelligence are disclosed. The system may include a memory configured to store a first artificial intelligence (AI) model configured to output first feature data for composition information of a material and a second AI model configured to output second feature data for structure information of the material; and a processor configured to learn the first AI model and the second AI model. The processor may be configured to learn the first AI model based on the second feature data for the structure information of the material output by the second AI model, and/or to learn the second AI model based on the first feature data for the composition information of the material output by the first AI model.
Resumen de: EP4708547A2
The claimed invention relates to an energy storage device comprising: an electrode body; and an outer packaging that seals the electrode body, wherein the outer packaging is constituted by a film-like outer packaging member, the outer packaging includes a first sealing portion that is sealed by joining surfaces that face each other in a state in which the outer packaging member is wrapped around the electrode body, a base portion of the first sealing portion is formed at a boundary between a first surface and a second surface of the outer packaging, the first surface has a larger area than the second surface, and the first sealing portion does not overlap the first surface in a plan view, the outer packaging further comprising a lid body, and wherein the lid body: (A) is a metal molded article; (B) is a resin molded article; (C) has a plate shape; (D) is a member that is divided into a first portion and a second portion, and wherein a hole is configured to pass through the lid body; or (E) is a tray-shaped member having a bottom and a rectangular shape in a plan view.
Resumen de: EP4708452A1
The present disclosure relates to a battery cell replacement detection apparatus and method, and is directed to presenting a mechanism that permanently prevents a battery pack from being used by determining, through cell data retained by a battery management system (BMS) after the battery pack wakes up, that a battery cell has been replaced. To this end, the present disclosure provides a configuration that obtains the cell data related to charging of the battery from the BMS, and determines whether the battery cell has been replaced by comparing the cell data with data stored in a memory.
Resumen de: EP4708527A1
An energy storage system includes a container having an accommodation space therein, at least one battery rack in the accommodation space inside the container, the at least one battery rack having a plurality of battery modules stacked thereon, an event detection device inside the container, at least one vent on an outer surface of the container, a nitrogen supply device that supplies nitrogen gas into the container, and a control unit electrically connected to the event detection device and the nitrogen supply device, the control unit driving the nitrogen supply device in response to the event detection device detecting an event.
Resumen de: EP4708504A1
The present invention provides a structure of a battery module including: a cell stack wherein a plurality of battery cells are stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame, and also provides a method of manufacturing the same.
Resumen de: EP4708503A1
The present invention provides: a structure of a battery module comprising: a plurality of battery cells stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame; and a method of manufacturing the same.
Resumen de: EP4708489A1
The present application provides a button battery. The button battery comprises: a first substrate, a first annular wall, and a sealing member. The first annular wall is arranged around a periphery of the first substrate and forms an accommodating cavity with the first substrate, and at least a part of the sealing member is located on a side, away from the accommodating cavity, of the first annular wall. A second housing includes a second substrate and a second annular wall. The second substrate is configured to cover and seal the accommodating cavity, and the second annular wall is connected to a periphery of the second substrate.
Resumen de: EP4708460A2
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include a thermal barrier material that includes multiple layers. The multilayer thermal barrier material includes at least one insulation layer, at least one compressible pad, and optional one or more layers that have favorable heat-dissipating properties, have favorable fire, flame and/or abrasion-resistance properties, have favorable performance for use as thermal barriers. The present disclosure further relates to a battery module or pack with one or more battery cells and the multilayer thermal barrier material placed in thermal communication with the battery cell
Nº publicación: EP4708382A2 11/03/2026
Solicitante:
BTR NEW MAT GROUP CO LTD [CN]
BTR New Material Group Co., Ltd
Resumen de: EP4708382A2
Provided is an anode material and a battery. The anode material includes a carbon matrix and an active substance, and at least a portion of the active substance is distributed in the carbon matrix; and surface cleanliness of the anode material is γ, and γ≥60%. The anode material and the battery provided in the present disclosure can alleviate cyclic attenuation of the anode material, reduce side reactions between the anode material and an electrolyte solution, and reduce a gas production phenomenon of the anode material, thereby comprehensively improving the capacity, expansion performance, and cycling performance of the anode material.