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1903
results.
Updated on
06/10/2025 [07:12:00]
Results 1175 to 1200 of 1903
Absstract of: WO2025198377A1
The present invention relates to a battery cell quality inspection device for measuring whether cracks occur inside a battery cell and a method for inspecting the quality of a battery cell thereby. The battery cell quality inspection device of the present invention comprises: a pressurizing chamber for containing a battery cell therein; at least one pressurizing unit coupled to the pressurizing chamber so as to increase the internal pressure of the pressurizing chamber; and a measuring instrument for measuring the insulation resistance of the battery cell contained in the pressurizing chamber. The internal pressure of the pressurizing chamber is increased to contract the battery cell.
Absstract of: WO2025198429A1
The present invention relates to a pack housing comprising: a heat sink; a pair of side frames coupled to both side surfaces of the heat sink; and a front frame and a rear frame, which are coupled to the front and rear of the heat sink. In one example, the heat sink and the pair of side frames are formed as a single body by extrusion molding, and thus bonding surfaces are not formed between the heat sink and the pair of side frames.
Absstract of: WO2025198192A1
A battery diagnosis apparatus according to one embodiment disclosed in the present document may comprise: an interface for acquiring a voltage value of respective battery cells; and one or more controllers for calculating the average voltage value of the battery cells, calculating the cell voltage deviation of the respective battery cells on the basis of the average voltage value, generating diagnostic data related to the cell voltage deviation according to the average voltage value of the respective battery cells, and diagnosing states of the battery cells on the basis of the cell voltage deviation in a diagnosis period corresponding to a specified condition of a change amount of the cell voltage deviation of the diagnostic data.
Absstract of: WO2025198165A1
The present invention provides a cathode active material comprising a transition metal and a dopant, wherein the dopant comprises W, and selectively comprises at least one element selected from the group consisting of alkaline earth metals, transition metals of Group 3 to Group 12, post-transition metals and metalloids of Group 13 to Group 15, non-metals of Group 14 to Group 16, and lanthanide elements.
Absstract of: WO2025198422A1
Acrylic elastomer particles according to one aspect of the present disclosure can enhance binder properties of fluorine-based resin particles, leading to the production of an electrode mixture having stronger binder properties to an electrode active material. A dry electrode manufactured comprising same is not easily broken due to excellent mechanical properties thereof, leading to the provision of a secondary battery with superb stability, excellent battery performance, and long-term maintenance of excellent battery performance.
Absstract of: WO2025198164A1
A battery diagnostic device, according to one embodiment disclosed in the present document, comprises: an interface for acquiring a first charging profile at the middle of life (MOL) of a battery cell; and at least one processor for predicting a second charging profile by using a battery physical model indicating a battery state, and an input parameter dependent on a change in a degradation index corresponding to the first charging profile, and calculating a degradation index of the battery cell corresponding to each of the first charging profile and the second charging profile.
Absstract of: WO2025198130A1
Disclosed are a battery system and a vehicle including same, the battery system comprising: a battery module having venting parts formed on one surface thereof; a pack case having the battery module installed therein; and resilient parts provided on one surface of the battery module, disposed at points that do not overlap with the venting parts, and parts of which protrude toward the pack case and are supported, thereby pressing one surface of the battery module relative to the pack case.
Absstract of: WO2025198129A1
The present invention introduces a battery case, and a battery pack and a vehicle including same, the battery case comprising: a case body accommodating batteries in an inner space; exhaust holes formed in the case body and discharging gas generated from the batteries from the inside of the case body to the outside; and a gas discharge amplifier installed on the exhaust holes to amplify the flow rate of the gas discharged through the exhaust holes.
Absstract of: WO2025198372A1
The positive electrode active material according to the present invention is a positive electrode active material including a lithium nickel-based oxide in the form of a single particle consisting of one single nodule or a quasi-single particle which is a composite of 30 or fewer nodules, wherein the lithium nickel-based oxide includes cobalt (Co) and aluminum (Al) and the concentration ratios of cobalt (Co) and aluminum (Al) on the surface of the lithium-nickel-based oxide, as measured by energy dispersive X-ray spectroscopy (EDX), satisfy the following Equations 1 and 2, respectively: Equation 1 (Co concentration ratio inside the nodule with respect to the positive electrode active material) ≤ (Co concentration ratio at the nodule interface with respect to the positive electrode active material) ≤ (Co concentration ratio at the surface of the lithium-nickel-based oxide particles with respect to the positive electrode active material) Equation 2 (Al concentration ratio at the surface of the lithium-nickel-based oxide particles with respect to the positive electrode active material) ≤ (Al concentration ratio at the nodule interface with respect to the cathode active material) < (Al concentration ratio inside the nodule with respect to the cathode active material)
Absstract of: WO2025198121A1
Provided is an apparatus capable of monitoring the abrasiveness of a forming tool for applying pressure to a battery can in the radial direction of the battery can along the circumferential direction thereof while rotating the battery can, to perform plastic working of the battery can in the radial direction thereof. The apparatus comprises: a can table installed to be rotatable about the central axis thereof; a process tool which is installed to be rotatable about a predetermined rotational center, is installed to be movable in a direction in which the process tool approaches or moves away from a can installed on the can table, and has a processing surface provided around the rotational center; a pressure sensor pressurized by the processing surface and measuring a pressure distribution; and a monitoring unit for calculating information related to a profile of the processing surface from the pressure distribution.
Absstract of: US2025293308A1
For an electrode assembly having an optimized irregularity structure, an all-solid state battery including the same, a manufacturing method of the electrode assembly, and a manufacturing method of the all-solid state battery, the electrode assembly is manufactured through a wet-wet coating method and has an appropriate irregularity. Thus, exposure of a solid electrolyte contained in an electrode active material layer to moisture is minimized. As a binder migrates to a solid electrolyte layer, a binder distribution within the electrode active material layer is uniform, resulting in excellent durability and electrochemical performance.
Absstract of: KR20250140204A
이송 레일; 상기 이송 레일의 하부에 결합된 진공 유닛; 및 상기 이송 레일을 따라 순환 이동하고, 상기 진공 유닛을 거쳐가며 전지셀을 운반하는 이송 유닛을 포함하고, 상기 이송 유닛은, 진공 상태 또는 진공 해제 상태로 전환되는 챔버; 및 상기 챔버의 진공 상태에서 상기 전지셀을 진공 흡착하고, 상기 챔버의 진공 해제 상태에서 상기 진공 흡착된 전지셀을 분리하는 흡착부를 포함하는 전지셀 이송 장치는, 이차전지 제조 공정에서 전지셀을 진공 흡착하여 스택 지점으로 용이하게 운반할 수 있다.
Absstract of: WO2025198119A1
A battery module, and a battery pack and a vehicle including same are disclosed. The battery module according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module case housing the battery cell stack; flame retardant pads disposed between the plurality of battery cells inside the module case; and adhesion members attached to the module case to closely adhere to the flame retardant pads.
Absstract of: WO2025198120A1
A battery module, and a battery pack and a vehicle including same are disclosed. The battery module according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module case housing the battery cell stack; and flame retardant pads disposed between the plurality of battery cells inside the module case, wherein a cut part is provided at one end of each flame retardant pad.
Absstract of: KR20250140155A
본 개시는 전극 조립체를 포함하는 이차 전지에 관한 것으로, 해결하고자 하는 기술적 과제는 하나의 셀에서 동일 극성의 전극탭이 동일 측면의 상하로 위치하도록 하여 전극탭이 전극 조립체의 양방으로 돌출 형성됨으로써, 복수의 전지셀 간 병렬 연결시 전극탭 간 연결이 용이하도록 하고, 동일 전류로 장시간 사용 가능하도록 하는 전극 조립체를 포함하는 이차 전지를 제공하는데 있다. 이를 위해 본 개시는 양극 집전판 및 그 적어도 일면에 양극 활물질층이 형성된 양극판과, 음극 집전판 및 그 적어도 일면에 음극 활물질층이 형성된 음극판과, 양극판과 음극판 사이에 개재되어 이들을 절연시키는 세퍼레이터를 포함하고, 양극판에는 양극 활물질이 형성되지 않은 무지부가 적어도 하나 마련되고, 적어도 2개의 양극탭이 배치되며, 음극판에는 음극 활물질이 형성되지 않은 무지부가 적어도 하나 마련되고, 적어도 2개의 음극탭이 무지부 중 적어도 하나에 배치되며, 적어도 2개의 양극탭 중 적어도 하나는 전극 조립체의 상측부로부터 상방으로 돌출되고 적어도 2개의 양극탭 중 적어도 하나는 전극 조립체의 하측부로부터 하방으로 돌출되며, 적어도 2개의 음극탭 중 적어도 하나는 전극 조립체의 상측부로부터 상방으로 �
Absstract of: WO2025198227A1
The present invention relates to a battery module comprising: a plurality of battery cells; and a deformation member provided on at least one side of the battery cells and configured to expand in volume in the direction of the one side by changing the shape thereof at a specific temperature or higher.
Absstract of: KR20250140140A
실리콘-탄소 복합체 제조방법으로, APTES (Amino Propyl Tri Ethoxy Silane)인 실리콘 전구체 및 톨루엔을 포함하는 혼합 용액에 흑연을 함침시키는 단계; 상기 흑연이 합침된 용액을 초음파 처리하는 단계; 상기 초음파 처리된 용액에서 분만을 수득한 후, 건조시키는 단계; 및 상기 건조된 분말을 열처리하는 단계를 포함하는 실리콘-탄소 복합체 제조방법이 제공된다.
Absstract of: US2025293399A1
A power storage cell includes: a cell module including a plurality of cell units; a cell case that accommodates the cell module; and a bonding member provided within the cell case. The cell case is formed in a rectangular parallelepiped shape. The cell module has a facing corner that faces a three-dimensional corner of the cell case. The bonding member includes a corner bonding portion that bonds the three-dimensional corner of the cell case to the facing corner.
Absstract of: WO2025198530A1
A system and method for balancing the state of charge (SOC) in a multi-tank Vanadium Redox Flow Battery (VRFB) system, particularly in hybrid integration with Lithium Batteries (LiB), is disclosed It addresses SOC imbalance issues in VRFB systems utilizing multiple hydraulically disconnected electrolyte tanks, thereby improving round-trip efficiency by eliminating the need for intermediate DC-DC converters. A small-scale DC-DC converter operating in droop control mode facilitates charge balancing between VRFB clusters during both charging and discharging. the invention provides a droop control method for hybrid energy storage systems (ESS) consisting of VRFB and LiB in both DC and AC coupled configurations. This method dynamically adjusts droop coefficients and voltage/frequency reference levels based on real-time charging and discharging requirements, ensuring optimal power distribution and SOC balance across multiple battery clusters. The system enhances overall efficiency, reliability, and cost-effectiveness of hybrid energy storage solutions by leveraging the complementary strengths of VRFB and LiB technologies.
Absstract of: WO2025199502A1
Improved barriers for protecting cathodes and/or anodes in Li batteries are provided. We have found that F-doping of ALD-grown lithium metal oxides results in a barrier having a highly desirable combination of properties. In particular, these barriers have mixed conductivity where both electronic conductivity and ionic conductivity are important. Furthermore, these barriers also have the desirable mechanical properties of uniform and controllable thickness, and highly conformal deposition.
Absstract of: WO2025199456A1
Porous polymer films including membranes are disclosed that have an improved blend of properties. Porous polymer films made according to the present disclosure can show dramatically improved wicking properties when tested against electrolyte solutions, indicating a significant increase in ion conductivity. The films can also be formed with porosity properties, permeability properties, strength properties, and at thicknesses that further enhance performance.
Absstract of: WO2025199068A1
The present inventions relate to methods, systems, apparatuses, controllers, software, and composition of matter associated with rotary dicing of target starting material to generate components. The components may be utilized for energy manipulation device, e.g., battery. The components may be of a battery cell, e.g., a stacked arrangement of battery cells.
Absstract of: WO2025197891A1
The purpose of the present invention is to provide: a button-type battery comprising a battery container having an exterior can, a sealing can, and a resin gasket, the button-type battery making it possible to satisfactorily suppress intrusion of moisture from the outside to the inside and dissipation of moisture from the inside to the outside; and a method for manufacturing the button-type battery. A button-type battery according to the present invention is characterized by comprising a battery container having an outer can, a sealing can, and a resin gasket interposed between the outer can and the sealing can, said button-type battery furthermore being characterized in that: a positive electrode, a negative electrode, and an electrolyte are accommodated inside the battery container; a resin coating layer is formed on the surface of the gasket exposed to the outside; and (1) the resin in the resin coating layer is a cured product of a photocurable olefin resin, or (2) the resin coating layer contains an olefin resin having a glass transition temperature of 30°C or less and an elongation percentage of 300% or greater.
Absstract of: WO2025197854A1
The present invention reduces the damage incurred to a member used to mitigate the collapse of an end part of a laminate. This battery manufacturing device (1) press-forms laminates (10) in which a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer are laminated. The battery manufacturing device (1) comprises: press pins (31, 32) that apply pressure, to a plurality of the laminates (10) laminated in the thickness direction of the laminates (10), in the thickness direction; and a sandwich plate (6) that has a sandwiched part at least partially sandwiched by two of the laminates (10), a peripheral part provided spaced apart from and in the vicinity of the sandwiched part, and an intermediate part connected to the sandwiched part and the peripheral part and having a lower stiffness than the sandwiched part.
Nº publicación: WO2025198302A1 25/09/2025
Applicant:
IUCF HYU INDUSTRY UNIV COOPERATION FOUNDATION HANYANG UNIV [KR]
\uD55C\uC591\uB300\uD559\uAD50 \uC0B0\uD559\uD611\uB825\uB2E8
Absstract of: WO2025198302A1
The present invention relates to a polymer and aramid nanofibril composite membrane, a manufacturing method thereof, and a secondary battery comprising same. According to an embodiment of the present invention, it is possible to provide a membrane composed of a polymer and aramid nanofibril composite having a maximum porosity of about 98% by sequentially performing phase separation of the polymer, nanofibrillization of aramid nanoseeds, and pore generation by polymer swelling.
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