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852
resultados
Última actualización
28/09/2023 [07:29:00]
Resumen de: EP4250415A1
According to the present disclosure, there are provided an electrode plate including an active material portion in which an active material is formed on a substrate and a non-coated portion in which the active material is not formed, wherein the non-coated portion includes a first non-coated portion in which a non-coated portion tab is formed and a second non-coated portion extending from the first non-coated portion in a width direction of the active material portion, and an area of the first non-coated portion and an area of the second non-coated portion satisfy Expression 1 (described in the detailed description), and an electrode assembly and a secondary battery including the same.
Resumen de: EP4249189A1
Proposed is an apparatus for inserting an electrode assembly, the apparatus including a clamping unit configured to clamp or unclamp the electrode assembly, and an articulated robot including one or more links rotatably connected to each other by j oint shafts and configured to mount the clamping unit on a front link. Here, the electrode assembly is inclinedly introduced and accommodated in a pouch through an open space between an upper pouch and a lower pouch. In addition, proposed is a method of inserting an electrode assembly using the above-described apparatus.
Resumen de: EP4250430A1
A method (3000) and apparatus (5000) for compensating sampling voltages of battery cells, and an electric apparatus (6000). The method (3000) comprises: after it is confirmed that all battery cells (C11-C48) connected to voltage collection apparatuses (2001, 2002, 2003) are in a normal state, charging or discharging a battery pack (1400) at a preset current (3001); acquiring sampling voltage values of the plurality of battery cells (C11-C48) by means of the voltage collection apparatuses (2001, 2002, 2003) (3002); according to the acquired sampling voltage values of the plurality of battery cells (C11-C48), determining, from a plurality of modules (1401, 1402, 1403, 1404), battery cells (C31, C21) that need to undergo sampling voltage compensation, and calculating impedance voltages of cross-module busbars (1501, 1502) (3003); and according to the impedance voltages of the cross-module busbars (1501, 1502), performing sampling voltage compensation on the battery cells (C31, C21) that need to undergo voltage compensation (3004). The positions of battery cells (C31, C21) that need to undergo sampling voltage compensation and the magnitude of impedances of busbars (1501, 1502) can be determined, and voltages collected by voltage collection apparatuses (2001, 2002, 2003) at the positions of the battery cells are compensated, such that the collected voltages of the battery cells are consistent with the actual voltages of the battery cells.
Resumen de: WO2023282714A1
본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 및 전극 조립체 제조 방법에 관한 것이다.An electrode assembly manufacturing method includes the steps of: assembling an electrode stack; performing a primary heat press operation on the electrode stack; then performing a pre-heating operation on the electrode stack; and then performing a secondary heat press operation on the electrode stack. The pre-heating operation may include applying heat and pressure to the electrode stack for a time period from 10 seconds to 40 seco
Resumen de: WO2023282717A1
본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체를 제공한다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.본 출원은 전극 조립체 제조 장치 및 전극 조립체 제조 방법에 관한 것이다.An electrode assembly manufact
Resumen de: EP4250385A1
The present disclosure relates to the technical field of lithium ion battery cathode materials, and particularly discloses a method for preparing a carbon-coated lithium iron phosphate material from ferrous phosphate. The method comprises: mixing self-made ferrous phosphate with a carbon source, and sintering at a low temperature under nitrogen to remove a part of crystal water to obtain carbon--coated ferrous phosphate with a small amount of crystal water; evenly mixing ferrous phosphate with a lithium source, a phosphorus source and multiple carbon sources, and adjusting until a proper iron-to-phosphorus ratio is 0.960-0.975 and a carbon content is 1.5%-1.8%; subsequently drying slurry to obtain material powder; and sintering the material powder through a two-stage temperature rising curve, naturally cooling and then pulverizing to obtain the carbon-coated lithium iron phosphate material. The nano lithium iron phosphate material prepared by the method has high compaction, high capacity and long cycle performance.
Resumen de: EP4250384A1
Provided are a positive electrode for an all-solid-state battery, a method of preparing the same, and an all-solid-state battery including the same, the positive electrode for an all-solid-state battery includes a positive electrode active material including a first positive electrode active material including a lithium nickel-based composite oxide and being in a form of secondary particles in which a plurality of primary particles are aggregated and at least a portion of the primary particles are radially arranged, and a second positive electrode active material including a lithium nickel-based composite oxide and being in a form of single particles; a solid electrolyte; a conductive agent; and a binder.
Resumen de: EP4250392A2
In accordance with an embodiment of the present disclosure, there are provided a secondary battery and a battery module including the secondary battery as a unit battery, the secondary battery including an electrode assembly including a first electrode group including a first cathode; and a second electrode group including a second cathode, wherein the first cathode includes a first cathode active material, and the second cathode includes a first cathode active material and a second cathode active material, and wherein the first cathode active material is a lithium-nickel composite oxide having primary particles whose particle diameter is less than or equal to 1 µm, and the second cathode active material is a lithium-nickel composite oxide having primary particles whose particle diameter is greater than 1 µm.
Resumen de: EP4250433A1
The present disclosure provides a core-shell particle including a core including a porous substrate and a flame retardant, and a shell including a thermoplastic polymer and covering the core, and a secondary battery, a module, and a device including the same.
Resumen de: WO2022109570A2
배터리 셀들의 제조에서의 하나 이상의 프로세스 스텝들에 대한 음향 신호 기반 개선들을 위한 시스템들, 기술들, 및 컴퓨터 구현 프로세스들이 개시된다. 하나의 프로세스 스텝에서 음향 신호 기반 분석에 기초하여 수집된 정보는 음향 신호 기반 분석의 피드백 및/또는 피드포워드의 임의의 적절한 조합을 사용하여 하나 이상의 다른 프로세스 스텝들에서 사용될 수 있다. 이러한 피드백 및/또는 피드포워드는 제조 프로세스를 사용하여 생성된 배터리 셀들의 전체 품질, 제조 프로세스의 효율/비용, 제조 프로세스를 사용하여 생성된 배터리 셀들의 수율의 향상/손실량의 감소 및/또는 개별 프로세스 스텝들에서의 개선을 향상시킬 수 있다.배터리 셀들의 제조에서의 하나 이상의 프로세스 스텝들에 대한 음향 신호 기반 개선들을 위한 시스템들, 기술들, 및 컴퓨터 구현 프로세스들이 개시된다. 하나의 프로세스 스텝에서 음향 신호 기반 분석에 기초하여 수집된 정보는 음향 신호 기반 분석의 피드백 및/또는 피드포워드의 임의의 적절한 조합을 사용하여 하나 이상의 다른 프로세스 스텝들에서 사용될 수 있다. 이러한 피드백 및/또는 피드포워드는 제조 프로세스를 사용하여 생성된 배터리 셀들의 전체 품질, 제조 프로세스의
Resumen de: EP4250422A1
The invention relates to a method for producing a hybrid polymer membrane by directly and independently feeding the individual components of the membrane into a twin screw extrusion with no need for any sort of pre-processing, for example pre-mixing said components. The hybrid polymeric membrane can be used, for example, as a hybrid polymer electrolyte (HPE) or cathode in electrochemical cells and secondary solid-state batteries. The method of the invention displays several advantages: it is solvent-free, scalable and time- and resource-economical, thus it is of great relevance for the membrane manufacturing industry.
Resumen de: EP4250412A1
Eine Energiespeicherzelle (100) umfasst einen Elektroden-Separator-Verbund (104) in Form eines zylindrischen Wickels mit zwei endständigen Stirnseiten (104a, 104b). Der Verbund (104) umfasst eine erste Elektrode (105) mit einem ersten bandförmigen Stromkollektor (106), welcher einen Längsrand (106a) aufweist, der aus der endständigen Stirnseite (104b) austritt. Eine von dem Verbund (104) umfasste zweite Elektrode (108) umfasst einen zweiten bandförmigen Stromkollektor (109), an den mindestens ein metallischer Ableiterstreifen (155) fixiert ist. Dieser tritt aus der Stirnseite (104a) aus. Der Verbund (104) wird von einem Gehäuse umschlossen, das einen metallischen Gehäusebecher (101) mit einem Boden (101a), einem hohlzylindrisch ausgebildeten Zentralabschnitt (101b) und einem Verschlussabschnitt (101c) sowie ein Deckelbauteil (102) umfasst. Der an den zweiten bandförmigen Stromkollektor (109) fixierte metallische Ableiterstreifen (155) ist durch Verschweißung mit dem Deckelbauteil (102) oder einem durch das Deckelbauteil (102) geführten Pol verbunden, während der erste Längsrand (106a) des ersten bandförmigen Stromkollektors (106) an den Boden (101a) und/oder an ein unmittelbar auf dem Boden (101a) aufsitzendes Metallblech geschweißt ist. Alternativ kann auch der an den zweiten Stromkollektor (109) fixierte mindestens eine metallische Ableiterstreifen (155) an den Gehäusebecher (101) geschweißt sein, während der erste Längsrand (106a) des ersten Stromkollekto
Resumen de: EP4249638A1
Method for performing an electrolysis using an electrolysis stack (2) having multiple electrolysis cells (3), wherein each of the electrolysis cells (3) has:- an anode space (4) with an anode (6),- a cathode space (5) with a cathode (7),- a membrane (8) that separates the anode space (4) and the cathode space (5) from each other,- a recombination catalyst (9),wherein the method comprises:- feeding an electrolysis medium to the electrolysis stack (2) and determining a flow rate at which the electrolysis medium is fed to the electrolysis stack (2),- providing electrical energy to the electrolysis stack (2) for performing the electrolysis with the electrolysis medium fed to the electrolysis stack (2),- determining a degree of degradation of the membranes (8) based on the determined flow rate of the electrolysis medium.
Resumen de: EP4001379A1
本发明涉及一种混合发电厂，用于向设置在包括生物质源的地区中的建筑物、尤其是住宅楼物和工业设施的自给自足供应能量。混合发电厂优选地设置在待供电的建筑物和工业设施附近，以便在本地提供能量。该混合发电厂包括至少一个用于从可再生能源发电的系统和一个用于将来自可再生能源和生物质的电力热化学转换成其他能源载体的电力多元化转换装置，这些能源载体被储存并在需要时转换回电力。为了在黑暗无风期间向要被供应的建筑物和工业设施供应能量，混合发电厂包括一个或多个能量存储装置和至少一个用于将能量转换回电力的系统。通过混合发电厂向建筑物或工业设施供应能量是气候和二氧化碳中和。本发明涉及一种混合发电厂，用于向设置在包括生物质源的地区中的建筑物、尤其是住宅楼物和工业设施的自给自足供应能量。混合发电厂优选地设置在待供电的建筑物和工业设施附近，以便在本地提供能量。该混合发电厂包括至少一个用于从可再生能源发电的系统和一个用于将来自可再生能源和生物质的电力热化学转换成其他能源载体的电力多元化转换装置，这些能源载体被储存并在需要时转换回电力。为了在黑暗无风期间向要被供应的建筑物和工业设施供应能量，混合发电厂包括一个或多个能量存储
Resumen de: FR3116655A1
전기 에너지 저장 장치(10), 특히 자동차용의 전기화학적 파우치 셀(1)이 개시되며, 상기 전기화학적 파우치 셀(1)은, 일차 연결부(5) 및 이차 연결부(6)에 각각, 복수의 전극들(2), 적어도 하나의 전기 단자(4) 및 상기 전기 단자(4) 및 그 자체에 연결된 라이너(3)를 포함하고, 이에 의해 복수의 전극들 및 적어도 하나의 단자(4)의 전부 또는 일부가 그 안으로 연장되는 오목부(100)를 형성하고, 상기 전기 단자(4)는 복수의 전극들(2)의 스택의 제1 치수와 실질적으로 같거나 큰 제1 치수를 갖는다.전기 에너지 저장 장치(10), 특히 자동차용의 전기화학적 파우치 셀(1)이 개시되며, 상기 전기화학적 파우치 셀(1)은, 일차 연결부(5) 및 이차 연결부(6)에 각각, 복수의 전극들(2), 적어도 하나의 전기 단자(4) 및 상기 전기 단자(4) 및 그 자체에 연결된 라이너(3)를 포함하고, 이에 의해 복수의 전극들 및 적어도 하나의 단자(4)의 전부 또는 일부가 그 안으로 연장되는 오목부(100)를 형성하고, 상기 전기 단자(4)는 복수의 전극들(2)의 스택의 제1 치수와 실질적으로 같거나 큰 제1 치수를 갖는다.披露了一种尤其旨在用于机动车辆的电能储存设备(10)的电化学软包电池单体(1)，该电化学电池单体包括由多个电极(2)构成的堆叠、至少一个电端子(4)、以及内衬(3)�
Resumen de: WO2022106295A2
一种用于服务器机架上的灭火剂系统的设备，包括集成电池特征、歧管、管道和控制卡，其中集成电池特征包括外壳中的多个电池单元。该管道的第一端连接至该歧管上的控制阀，并且该管道的第二端连接至该集成电池特征。所述控制卡经配置以打开所述歧管上的所述控制阀，其中所述控制阀经配置以将灭火剂释放到所述集成电池特征的所述外壳中。在一个实施例中，灭火剂包含在安装在服务器机架上的加压灭火剂贮存器内。在另一实施例中，灭火剂是从服务器机架上的散热器冷却单元转向的冷却流体。一种用于服务器机架上的灭火剂系统的设备，包括集成电池特征、歧管、管道和控制卡，其中集成电池特征包括外壳中的多个电池单元。该管道的第一端连接至该歧管上的控制阀，并且该管道的第二端连接至该集成电池特征。所述控制卡经配置以打开所述歧管上的所述控制阀，其中所述控制阀经配置以将灭火剂释放到所述集成电池特征的所述外壳中。在一个实施例中，灭火剂包含在安装在服务器机架上的加压灭火剂贮存器内。在另一实施例中，灭火剂是从服务器机架上的散热器冷却单元转向的冷却流体。An apparatus for a fire suppressant system on a server rack includes an integrated battery feature, a manifold, a conduit, and a control card, where the int
Resumen de: WO2022106221A1
本文公开了一种用于锂离子电池(10)的阴极活性材料，所述阴极活性材料包括：具有无钴的层状锂氧化物的多个第一颗粒(11)以及具有橄榄石型磷酸盐的多个第二颗粒(12)。另外给出了一种锂离子电池(10)，所述锂离子电池具有带有所述阴极活性材料的阴极(2)。本文公开了一种用于锂离子电池(10)的阴极活性材料，所述阴极活性材料包括：具有无钴的层状锂氧化物的多个第一颗粒(11)以及具有橄榄石型磷酸盐的多个第二颗粒(12)。另外给出了一种锂离子电池(10)，所述锂离子电池具有带有所述阴极活性材料的阴极(2)。코발트가 없는 리튬 층 산화물을 구비하는 다수의 제1 입자(11) 및 포스포-올리빈을 구비하는 다수의 제2 입자(12)를 포함하는, 리튬 이온-배터리(10)용 캐소드 활성 물질(10)이 기재된다. 또한, 캐소드 활성 물질을 함유하는 캐소드(2)를 갖는 리튬 이온-배터리(10)가 특정된다.코발트가 없는 리튬 층 산화물을 구비하는 다수의 제1 입자(11) 및 포스포-올리빈을 구비하는 다수의 제2 입자(12)를 포함하는, 리튬 이온-배터리(10)용 캐소드 활성 물질(10)이 기재된다. 또한, 캐소드 활성 물질을 함유하는 캐소드(2)를 갖는 리튬 이온-배터리(10)가 특정된다.Es wird ein Kathodenaktivmaterial für eine Lithiumionen-Batterie (10) beschrieben, umfassend eine Vielzahl erst
Resumen de: WO2022106268A1
本发明涉及一种制备电极活性材料的方法，其中所述方法包括以下步骤：(a)提供氢氧化物TM(OH)2或至少一种氧化物TMO或至少一种TM的羟基氧化物或上述至少两种的组合，其中TM为一种或多种金属且含有至少97mol％的Ni和任选地总共至多3mol％的至少一种选自Al、Ti、Zr、V、Co、Zn、Ba和Mn的金属；(b)将所述氢氧化物TM(OH)2或氧化物TMO或TM的羟基氧化物或组合与锂源和Mg源混合，其中(Li+Mg)的摩尔量对应于TM的75‑95mol％；(c)将由步骤(b)获得的混合物在450‑650℃的温度下热处理，从而获得中间物；(d)将来自步骤(c)的中间物与Li源和至少一种选自Al、Zr、Co、Mn、Nb、Ta、Mo和W的金属M1的化合物混合；(e)将由步骤(d)获得的混合物在500‑850℃的温度下热处理。本发明涉及一种制备电极活性材料的方法，其中所述方法包括以下步骤：(a)提供氢氧化物TM(OH)2或至少一种氧化物TMO或至少一种TM的羟基氧化物或上述至少两种的组合，其中TM为一种或多种金属且含有至少97mol％的Ni和任选地总共至多3mol％的至少一种选自Al、Ti、Zr、V、Co、Zn、Ba和Mn的金属；(b)将所述氢氧化物TM(OH)2或氧化物TMO或TM的羟基氧化物或组合与锂源和Mg源混合，其中(Li+Mg)的摩尔量对应于TM的75‑95mol％；(c)将由步骤(b)获得的混合物在450‑650℃的温度下热处理，从而获得中间物；(d)将来自步骤(c)
Resumen de: GB2617011A
Disclosed in the present invention is a method for preparing a copper-based negative electrode material by using a waste battery. The method comprises the following steps: (1) disassembling a waste battery and taking out a negative electrode plate; (2) using the negative electrode plate of step (1) as an anode, using a copper foil current collector as a cathode, and electroplating same in an electroplating solution; (3) after the completion of the electroplating, collecting a negative electrode powder that is separated from the anode, and soaking the copper foil current collector in an acid solution; (4) washing and drying the soaked copper foil current collector; and (5) calcining the copper foil current collector to obtain a copper-based negative electrode material. By means of the method, the negative electrode powder on the waste battery negative electrode plate can be conveniently recycled, the environment is not polluted, and the prepared copper-based negative electrode material can be directly used as a battery negative electrode and has a relatively good cycling performance.
Resumen de: EP4250404A2
The present invention relates to a positive electrode active material for a lithium secondary battery, an electrode and a lithium secondary battery comprising same, and a method for preparing the active material, wherein the positive electrode active material comprises a nickel-based lithium composite metal oxide single particle, wherein the single particle includes a plurality of crystal grains, and one or more first metals selected from the group consisting of Al, Ti, Mg, Zr, W, Y, Sr, Co, Si, Mg, Na, Cu, Fe, Ca, and B are doped in a crystal lattice of the single particle.
Resumen de: GB2616991A
An electric compact tractor (110, Fig. 2) is provided. The electric compact tractor is powered by a plurality of lithium ion battery modules 112, 113 housed in a battery pack 101. A pair of electrical bus bars 122,123 connect the plurality of lithium ion battery modules 112 113 in the battery pack 101, and extend from the battery pack 101 to electric motors for traction drive, implement drive and steering. A low voltage control circuit (170, Fig. 4) may be used for turning on the plurality of lithium ion battery modules 112, 113 in the battery pack 101.
Resumen de: GB2617032A
The present invention relates to the technical field of battery materials. Disclosed are a silicon-carbon composite negative electrode material, a preparation method therefor and an application thereof. The preparation method comprises the following steps: dissolving graphite negative electrode powder into an acid solution, performing solid-liquid separation, obtaining a precipitate, washing and drying same, adding a reducing agent, and performing heat treatment to obtain a purified graphite material; and adding modified silicon powder to the graphite material and mixing the two, then adding the mixture to a polyimide-containing dimethyformamide solution, stirring, distilling, and performing carbonization treatment to obtain a silicon-carbon composite negative electrode material. According to the present invention, the recovered graphite negative electrode powder is purified by means of acid leaching, and is further purified by adding a reducing agent in a chlorine atmosphere for heat treatment, thereby improving the purity of the recovered graphite powder.
Resumen de: GB2617024A
Provided are a positive electrode material precursor, a preparation method therefor and an application thereof. The chemical formula of the positive electrode material precursor is NixCo yMnz(OH) 2, wherein 0.2≤x≤1, 0≤y≤0.5, 0≤z≤0.6, 0.8≤x+y+z≤1; the positive electrode material precursor is stacked sheet shaped, and the particle size broadening coefficient of the positive electrode material precursor is K, and K≤0.85. Using a controlled crystallization method and in combination with a theoretical model of Lamer nucleation and growth, the preparation process of a precursor can be effectively controlled and adjusted; in addition, the prepared precursor has the morphological features of concentrated particle size distribution and high proportion of active crystal planes {010}. Under the magnification rate of 20C, capacity retention rate can reach 91.33%.
Resumen de: GB2616988A
An electrolyte for a static zinc-based battery includes a) zinc bromide in molar concentration from 1.5M to 3.0M, b) tetraethylammonium bromide as a bromine complexing agent in half of the molar concentration of the zinc bromide, c) a glycol based anti-freezing agent in molar concentration from 1.0M to 2.0M, d) zinc chloride as supporting ionic conducting agent in molar concentration from 1.0M to 4.0M, and e) an additional supporting ionic conducting agent, especially potassium chloride and/or ammonium chloride, in molar concentration from 2.0M to 4.0M. The electrolyte minimizes self-discharge of the static zinc-based battery by providing the tetraethylammonium bromide in relatively high relative amounts compared with the zinc bromide. The presence of the glycol, zinc chloride and additional ionic conducting agent also serves to reduce dendrite formation at the zinc electrode and self-discharge. The electrolyte is preferably free of pH maintaining and buffering agents, while maintaining the pH at 3-5.
Nº publicación: EP4250449A1 27/09/2023
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4250449A1
The present invention relates to a pouch-shaped battery cell with improved safety and a battery module including the same, and more particularly to a pouch-shaped battery cell including a first cell case and a second cell case, each of which is made of a laminate sheet including an inner coating layer, a metal layer, and an outer coating layer, an edge of each of the first cell case and the second cell case being sealed by thermal fusion, an electrode assembly received in the first cell case and the second cell case, a positive electrode lead and a negative electrode lead, each having one side connected to the electrode assembly and the other side protruding outwards from the first cell case and the second cell case, and a pressing member wrapping a sealed portion formed by thermal fusion and a battery module including the same.
BOPI
Sede electrónica
