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WO/2021/134800A1 |
An electrode assembly, an electrochemical device, and an electronic device. The electrode assembly comprises: a positive electrode piece (10); a negative electrode piece (12); an isolation membrane (11) provided between the positive elec...
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WO/2021/135165A1 |
Disclosed are an energy storage device and a method for assembling the energy storage device. The energy storage device comprises an energy conversion element and a housing; the energy conversion element is provided with at least one ele...
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WO/2021/135224A1 |
Disclosed in the present invention are a welding-free connector electrically connected to a battery cell and a lithium ion battery comprising the connector. The connector comprises a current collector bar, a connecting plate is clamped t...
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WO/2021/135225A1 |
Disclosed are an integrated high-temperature decomposable connector and a lithium ion battery comprising same. The integrated high-temperature decomposable connector comprises a connecting plate and supporting columns fixedly arranged on...
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WO/2021/125454A1 |
Disclosed are a case for a secondary battery, and a secondary battery. According to one aspect of the present invention for achieving the above-described objective, provided is a case for a secondary battery in which can be accommodated ...
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WO/2021/125504A1 |
A secondary battery according to an embodiment of the present invention comprises: an electrode assembly comprising a first electrode, a second electrode, and a separator interposed therebetween; a case which has an opening on one side t...
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WO/2021/125409A1 |
The present invention relates to a battery pack wherein a battery module (20) and a support plate (21) are received in a protection case (10) including an accommodation space (11) having open opposite sides and a first gasket (13) and a ...
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WO/2021/125469A1 |
The present invention relates to a battery module comprising a venting structure and a battery pack comprising same, the battery module comprising: a battery cell stack body in which a plurality of battery cells are stacked; a frame for ...
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WO/2021/121646A2 |
The aim of the invention is to provide transfer capsules which are received by the target cell type and which permanently or transiently modify the target cell without thereby having toxic effects on the specific target cell type. The so...
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WO/2021/120043A1 |
A safety apparatus, a fabrication method and a battery. The safety apparatus is provided with a first etched line (1) and a second etched line (2), which are connected to form a closed line. The first etched line (1) and the second etche...
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WO/2021/114225A1 |
Provided are a method and device for flattening a fuel cell proton exchange membrane. The method is mainly applied to the proton exchange membrane obtained by a post-impregnation method, compared with traditional adsorption methods, said...
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WO/2021/114328A1 |
A wound bean-type battery, comprising a bottom housing (1) and a cap (2), wherein a space for accommodating a wound-type battery cell (3) is formed between the bottom housing (1) and the cap (2); a positive tab (311) of the wound-type ba...
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WO/2021/114324A1 |
A winding bean type battery, comprising a bottom housing (1) and a cover cap (2); a space that accommodates winding battery cells (3) is formed between the bottom housing (1) and the cover cap (2); one tab (31) of the winding battery cel...
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WO/2021/114329A1 |
A winding-type button cell. The winding-type button cell comprises a base housing (1), a cover cap (2) and an auxiliary member (5), wherein a space for accommodating a winding-type cell core (3) is formed between the base housing (1) and...
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WO/2021/110246A1 |
The present invention pertains to a supporting structure (1) for receiving battery cells (11) in a battery system of a hybrid or electrical vehicle, the supporting structure (1) comprising a bottom plate (2) and two side plates (31, 32) ...
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WO/2021/108980A1 |
Provided are a current collecting member and a manufacturing method therefor, a secondary battery and a manufacturing method therefor, a battery module, and a device. A current collecting member for the secondary battery comprises a term...
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WO/2021/112363A1 |
Disclosed are a secondary battery, a method for manufacturing a secondary battery, and a battery pack comprising the secondary battery. According to an aspect of the present invention, disclosed is a secondary battery wherein a sealing p...
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WO/2021/110245A1 |
The present invention pertains to a fixing system (10) for fixing battery components in a battery housing, the fixing system (10) comprising a positioning unit (1) and one or more slot nuts (2), wherein the positioning unit (1) is config...
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WO/2021/109401A1 |
An aluminum-air battery, comprising an aluminum electrode (1) and a negative electrode connector (21) connected to a current collecting portion (112) of the aluminum electrode (1). The current collecting portion (112) is sheet-shaped. Th...
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WO/2021/109315A1 |
A butterfly bean button-type soft package battery cell, comprising an upper aluminum-plastic film layer (3), a lower aluminum-plastic film layer (4), and a battery cell body (2); the lower aluminum-plastic film layer (4) is provided with...
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WO/2021/108986A1 |
A battery module (20), a battery pack (10), a device, and a manufacturing method for the battery module (20). The battery module (20) comprises: a battery unit (21) having a first total output electrode (21a) and a second total output el...
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WO/2021/109670A1 |
A packaging structure, comprising an accommodating portion and a sealing portion. The accommodating portion comprises a first surface, a second surface, a first side surface, and a second side surface. The first surface and the second su...
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WO/2021/107336A1 |
Disclosed is a battery module having improved safety against fire or thermal runaway. A battery module according to the present invention to achieve the above purpose comprises: a cell assembly including at least two battery cells; a mod...
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WO/2021/107318A1 |
A battery module according to an embodiment of the present invention comprises: a battery cell stack comprising multiple stacked battery cells including electrode leads; multiple bus bars comprising a first bus bar and a second bus bar, ...
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WO/2021/103518A1 |
The present application provides a separator, a battery combination, and an electric device. The separator comprises a conductive layer, a first insulation layer, and a second insulation layer that are stacked, wherein the conductive lay...
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WO/2021/102636A1 |
The present disclosure relates to a battery cell, a battery module, a battery pack, a device using a battery cell as a power supply, and a battery cell assembling method, for use in alleviating the problem of impurities falling into an e...
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WO/2021/102638A1 |
The present disclosure relates to a battery cell, a battery module, a battery pack, a device using the battery cell as a power supply, and a method for assembling the battery cell. The battery cell comprises an electrode assembly (20) an...
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WO/2021/102976A1 |
A battery, which comprises a battery main body and an electrical connection structure. The battery main body comprises a housing and a tab; the housing comprises a top wall, a bottom wall and side walls that connect the top wall and the ...
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WO/2021/102978A1 |
A battery assembly (100), comprising a battery main body (10) and a circuit board (30). The battery main body (10) comprises a housing (11) and a pole (12); the housing (11) comprises a top wall (111), a bottom wall (113), and a side wal...
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WO/2021/107317A1 |
A battery pack according to an embodiment of the present invention comprises: a first battery module and a second battery module, each including a plurality of battery cells; a first busbar extending from the first battery module and a s...
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WO/2021/098390A1 |
Provided are a battery module and vehicle. The battery module includes: a plurality of battery cells (1), the battery cell (1) includes a battery top cover (12); a thermally conductive sampling piece (3), one end of the thermally conduct...
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WO/2021/101075A1 |
A battery module according to one embodiment of the present invention comprises: a module case in which a predetermined accommodation space is provided; battery cells accommodated in the module case; a bus bar member provided on the batt...
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WO/2021/098465A1 |
A box body (1), a battery pack (100), and a device, relating to the technical field of energy storage devices. The box body (1) comprises a first beam (11) and a second beam (12); the first beam (11) and the second beam (12) are intersec...
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WO/2021/097644A1 |
The present disclosure relates to a battery pack and transport equipment. The battery pack comprises: a housing component (1); a restraining component (3), provided within the housing component (1), an accommodating cavity (6) being prov...
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WO/2021/100213A1 |
This sealing film is arranged between an exterior package and a lead conductor connected to a positive electrode or a negative electrode in a secondary battery covered by the exterior package. The sealing film is characterized by being a...
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WO/2021/096074A1 |
The present invention relates to a high-voltage battery module, which introduces a bridge bus bar exposed to the outside so as to reduce the risk of accident caused by an electric shock when handling the high-voltage battery module, ther...
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WO/2021/096021A1 |
A battery module according to one embodiment of the present invention comprises: a battery cell stacked body in which a plurality of battery cells are stacked; a busbar frame connected to the battery cell stacked body; cell terraces resp...
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WO/2021/096035A1 |
A secondary battery according to an embodiment of the present invention for solving the problem includes: an electrode assembly formed by stacking an electrode and a separator; and a pouch-type battery case for accommodating the electrod...
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WO/2021/093488A1 |
An isolation plate (1), a battery module (10), a battery pack (20), and an apparatus. The isolation plate (1) is used in the battery module (10), and comprises: a first assembling member (11) used for covering one battery unit (3) of the...
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WO/2021/092754A1 |
A battery energy storage module and a battery energy storage device. The battery energy storage module comprises: a structure body (101), a support member (102), and a cell group (103). A cavity for accommodating the cell group (103) is ...
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WO/2021/092886A1 |
There is provided battery cell assembly for a power tool battery pack. The battery cell assembly comprises a cell housing, a battery cell and a cell strap. The battery cell define a pole and is supported by the cell housing. The cell str...
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WO/2021/096048A1 |
The present invention relates to a secondary battery, and the technical problem to be solved is to provide a secondary battery having the reduced thickness, having no thickness deviation by regions due to high dimensional accuracy, and b...
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WO/2021/088570A1 |
A battery pack and an apparatus, relating to the technical field of energy storage devices. The battery pack comprises a first box body (1), the first box body (1) comprising a frame (12) and a cross beam (13), the cross beam (13) being ...
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WO/2021/088221A1 |
A button battery and an electronic device. The battery comprises: a battery cell (13); at least one tab (141, 142), one end of the at least one tab (141, 142) being connected to a current collector of the battery cell (13); and a housing...
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WO/2021/091064A1 |
The present invention relates to a secondary battery which has a groove formed on the inner surface of a bent portion of a can, and thus is easy to bend and can reduce the springback phenomenon. According to one embodiment of the present...
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WO/2021/085664A1 |
The present invention relates to a secondary battery having an electrode assembly contained in a pouch, the electrode assembly having positive-electrode tabs, positive electrodes of which are connected to each other, and having negative-...
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WO/2021/082758A1 |
The present application relates to a top cover assembly, a secondary battery, a battery module, and a device. The top cover assembly comprises: a top cover plate, which is provided with an electrode lead-out hole; an electrode terminal, ...
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WO/2021/082145A1 |
Disclosed is a storage battery box. The storage battery box comprises a box body and an upper cover. The inside of the box body is divided into a plurality of pole group unit cells by means of partition plates; one end, that is positione...
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WO/2021/082789A1 |
The present application relates to a battery pack and an electric tool system, comprising a battery cell assembly which is provided with a plurality of battery cells that are electrically connected to one another, a housing which forms a...
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WO/2021/082218A1 |
The present application discloses a sealing assembly and a lithium ion battery. The sealing assembly comprises a cover plate, conductors and a sealing mechanism. Fixing members for fixing poles are provided on the cover plate, the fixing...
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