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WO/2021/079525A1 |
A water refill plug for a storage battery includes a body portion having a main surface located outside the storage battery, and a float attached to the body portion. The body portion includes: a valve chamber provided inside the body po...
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WO/2021/080112A1 |
The present invention relates to a battery cell having an insulation performance, and a battery module including same. The battery cell comprises: a case for receiving an electrode assembly; electrode leads protruding from the case on th...
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WO/2021/079523A1 |
This water replenishment stopper comprises: a body part that has a channel for supplying water into a battery container and an inspection through-hole that communicates with the inside of the battery container, the body part being attach...
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WO/2021/080126A1 |
A battery module according to one embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module frame housing the battery cell stack and having open front and rear surface...
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WO/2021/080124A1 |
A 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 frame in which the battery cell stack is received, and a top portion of whic...
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WO/2021/078006A1 |
A wiring harness isolation plate assembly (1), a battery module (A), a battery pack and a device. The wiring harness isolation plate assembly (1) comprises: a plurality of isolation units (11), each comprising a busbar (112) and an insul...
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WO/2021/073441A1 |
A lithium ion battery composite diaphragm, comprising first particles and second particles, and a binder less than 5wt%. The lithium ion battery composite diaphragm is characterized in that: the first particles and the second particles h...
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WO/2021/073387A1 |
A battery pack (100) and a vehicle. The battery pack (100) comprises a container cover (12), a battery row (41), a protection member (42), and a restraining component (5). A first passage (P1) for guiding airflow to flow in a first direc...
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WO/2021/075690A1 |
A battery module according to an embodiment of the present invention comprises: a battery cell assembly comprising one or more battery cells; a cell block comprising a pair of terminal bus bars connected to the battery cell assembly so a...
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WO/2021/074323A1 |
A disconnection device, in particular for disconnecting two electrically connected electrochemical elements. The present invention also relates to a device for short-circuiting two electrodes of opposite polarity in an electrochemical el...
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WO/2021/074575A1 |
A battery pack (10) having a plurality of adjacent battery modules (12a-h) is described. Each battery module (12a-h) has a support (31) and a plurality of cell groups (13a-d) mounted on the support (31). Each cell group (13a-d) has a plu...
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WO/2021/074566A1 |
A battery module (110a-h) comprising a battery cell carrier (900), a plurality of battery cells (420), and a busbar (930) electrically connecting the plurality of battery cells (420) is described. The battery cell carrier (900) comprises...
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WO/2021/074571A1 |
A battery module (110a-h) having at least one cell group (220a-d) and a current collector (510a-d) is described. The cell group (220a-d) has an array of cells (420). The array has a plurality of sub-groups (410a-d) of cells (420), each o...
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WO/2021/075689A1 |
A battery module of the present disclosure comprises: a cell assembly including at least one battery cell; a busbar assembly including a terminal busbar electrically connected to an electrode lead of the cell assembly, and a busbar frame...
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WO/2021/072726A1 |
A lithium ion battery module for an electric forklift truck, and a power supply box, which belong to the technical field of lithium ion batteries. The battery module comprises a housing and a battery pack in the housing; the battery pack...
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WO/2021/073430A1 |
A battery pack and a vehicle. The battery pack comprises a first separator (31), a battery row (41), and a protection member (43). The first separator (31) is located between two adjacent batteries (411) along a first direction (W) in th...
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WO/2021/075733A1 |
A battery cell according to an embodiment of the present invention comprises: a battery case; an electrode assembly received within the battery case; an electrode lead electrically connected to the electrode assembly and protruding out o...
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WO/2021/075688A1 |
A battery module according to an embodiment of the present invention comprises: a battery cell assembly comprising one or more battery cells; a rectangular pipe-shaped module frame for receiving the battery cell assembly and comprising f...
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WO/2021/074574A1 |
A battery cell carrier (1100) for holding a plurality of battery cells (420) has an upper surface (1120a) and a lower surface (1120b). The battery cell carrier (1100) has a plurality of openings (1140) extending between the upper surface...
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WO/2021/071232A1 |
Disclosed are a secondary battery case, a secondary battery including the secondary battery case, and a method for manufacturing the secondary battery case. According to the present invention, a gas discharging device formed in the secon...
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WO/2021/068709A1 |
A fireproof member (1), a battery pack, and a device using batteries as a power source. The fireproof member (1) comprises a body (11) and an enclosure frame (12). The enclosure frame (12) comprises a main body part (12A), an extension p...
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WO/2021/068720A1 |
A housing comprises a first housing and a second housing. The second housing is provided with a protrusion portion, and the first housing comprises a bottom wall and a side wall. The side wall is provided at the periphery of the bottom w...
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WO/2021/068575A1 |
Provided in the present application is a modified separator of a metal negative electrode battery. The modified separator comprises a porous polyolefin separator and a thin film at least deposited on the surface of the porous polyolefin ...
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WO/2021/068864A1 |
A lithium ion battery diaphragm, comprising a substrate and a modification layer, wherein the modification layer is an inorganic coating; the inorganic coating is composed of a first particle layer and a second particle layer; the first ...
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WO/2021/071071A1 |
Provided are a battery pack capable of improving energy density while ensuring structural stability of a battery module and a vehicle comprising the battery pack. The battery pack according to the present invention comprises: at least on...
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WO/2021/071113A1 |
A battery module according to the present invention comprises: a plurality of cylindrical battery cells having gas vents for discharging internal gas; and a busbar plate which protrudes and extends from the inner edge of a connection ope...
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WO/2021/071082A1 |
A battery pack according to the present invention comprises: a battery module which comprises multiple secondary batteries and a module case having an outer wall configured to form an inner space for receiving the multiple secondary batt...
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WO/2021/069068A1 |
The invention relates to a thermal compensation element for arranging between two components, comprising a metal foil (4) and at least one contact element (6) formed integrally with the metal foil (4). The metal foil (4) has, at least in...
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WO/2021/068436A1 |
A battery casing assembly (100) comprises a post (10) and a first casing (20). The first casing comprises a first casing part (21) and a second casing part (22) connecting the first casing part. Compared to the second casing part, the fi...
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WO/2021/071114A1 |
Disclosed in the present invention is a battery pack with improved ease of use and durability. The battery pack according to the present invention for achieving the above objective comprises: a battery module having a plurality of second...
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WO/2021/071099A1 |
The present invention relates to a connection member for an electric connection of an electrode lead, and a battery cell stack comprising same. The connection member comprises a pair of members including a first connection member and a s...
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WO/2021/066360A1 |
The present invention relates to a cylindrical battery in which an electrode assembly is embedded in a battery case, a top cap is mounted on the upper side of the electrode assembly, the top cap and the electrode assembly are electricall...
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WO/2021/063678A1 |
The invention relates to a battery arrangement, comprising a battery cell (2), a contact element (3) for making electrical contact with the battery cell (2), and a holder (4) which is designed to press the contact element (3) against a p...
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WO/2021/057763A1 |
The present invention relates to a lithium battery and a method for testing the airtightness of a lithium battery. The lithium battery comprises: a battery body, the battery body being provided with a liquid injection hole and a liquid i...
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WO/2021/060770A1 |
The present invention relates to a method for manufacturing a secondary battery, and to a secondary battery. The method for manufacturing a secondary battery according to the present invention comprises: an accommodation step of accommod...
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WO/2021/058028A1 |
Disclosed is a battery module unit, comprising multiple first supports which are sequentially stacked and multiple cells, the first support comprising a support body, cells on one side of a first fixing support forming a first cell group...
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WO/2021/060712A1 |
Disclosed is a battery module which can prevent an electrolyte from leaking to outside thereof when the electrolyte leaks. The battery module according to the present invention for achieving the above purpose comprises: at least one cell...
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WO/2021/056983A1 |
The present application relates to a battery module. The battery module comprises a plurality of cells that are sequentially stacked, and at least one buffer member. The buffer member is arranged between at least two of the plurality of ...
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WO/2021/060704A1 |
A battery module according to the present invention comprises: a plurality of cylindrical battery cells each including a gas vent unit configured to discharge internal gas; and a bus bar plate including a negative electrode connection te...
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WO/2021/052019A1 |
Provided in the embodiments of the present application are a case, a secondary battery, a battery pack, a vehicle, and a method for manufacturing the secondary battery. The case comprises a bottom wall and a side wall, which define an ac...
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WO/2021/052037A1 |
Disclosed is a lower box body (1), a battery pack (100) and a vehicle. The battery pack (100) comprises the lower box body (1) and battery cells (3), wherein the lower box body (1) has an accommodating area (16), and the battery cells (3...
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WO/2021/052006A1 |
The present application provides a battery module, a battery pack, and a vehicle. The battery module comprises a battery, a first end plate, and a second end plate. A first protruding portion of the first end plate is provided with a fir...
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WO/2021/052004A1 |
A battery module, a battery pack, and a vehicle. The battery module comprises batteries (1) and buffer elements (2). A buffer element (2) is provided between two adjacent batteries (1), and each buffer element (2) comprises a main body (...
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WO/2021/051653A1 |
A battery comprising a first housing and an electrode pole. The first housing comprises a first cambered surface side wall and a planar surface side wall connected to the first cambered surface side wall, and the electrode pole is arrang...
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WO/2021/052005A1 |
The present application provides a battery module, a battery pack, and a vehicle. The battery module comprises a battery and a frame assembly. The frame assembly comprises two first clamping plates, two second clamping plates, and a firs...
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WO/2021/053133A1 |
The storage battery structure comprises: - a casing (5) defining, on the inside, a receiving space (7) shaped to receive electricity storage cells (3), the casing (5) comprising a lower bottom (9) facing a running surface of the vehicle;...
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WO/2021/052211A1 |
Embodiments of the present application provide an isolation membrane and a preparation method therefor, a lithium ion secondary battery, a battery module, a battery pack, and an apparatus. The isolation membrane provided by the present a...
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WO/2021/053930A1 |
The purpose of the present invention is to enable reduction in thickness in joining parts even in the case where the space between electrode tabs is narrow. In this assembled battery, a first electrode tab is provided with a first electr...
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WO/2021/054653A1 |
The invention of the present application relates to a separator for a secondary battery, the separator comprising a separator main body comprising polyolefin and having a porous structure, wherein the separator main body is in a form in ...
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WO/2021/052365A1 |
The present invention provides a ceramic microsphere, a separator comprising the ceramic microsphere, and a lithium ion battery comprising the separator. The present invention, which is different from the conventional lithium ion battery...
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