公开(公告)号：US12199299B1

公开(公告)日：2025-01-14

申请号：US18748854

申请日：2024-06-20

Applicant: Shenzhen Hithium Energy Storage Control Technology Co., Ltd. ,  Xiamen Hithium Energy Storage Technology Co., Ltd.

Inventor： Yongqiang Li ,  Deliang Zhong

IPC: H01M10/6556 ,  H01M10/613 ,  H01M10/6568 ,  H01M50/242 ,  H01M50/244

Abstract: Disclosed are a battery pack and an energy storage device. The battery pack includes a box, a battery module, a liquid cooling plate, a connection valve, a liquid supply pipe and a protection structure. The box is provided with an accommodation cavity and a mounting hole communicating with the accommodation cavity. The battery module is provided in the accommodation cavity. The liquid cooling plate is provided in the accommodation cavity and configured for cooling the battery module. The connection valve is provided in the mounting hole, and one end of the connection valve located outside the accommodation cavity is configured for connecting to a cooling cabinet. The liquid supply pipe is communicated with the liquid cooling plate and one end of the connection valve facing the accommodation cavity. The protection structure is detachably provided in the box, is located outside the accommodation cavity, and covers the connection valve.

公开(公告)号：US12191530B2

公开(公告)日：2025-01-07

申请号：US18388480

申请日：2023-11-09

Applicant: Shenzhen Hithium Energy Storage Technology Co., Ltd. ,  Xiamen Hithium Energy Storage Technology Co., Ltd.

Inventor： Jinyun Liang ,  Liangliang Zhang ,  Wancai Zhang ,  Ming Yang

IPC: H01M50/533 ,  H01M10/0587 ,  H01M50/103 ,  H01M50/15 ,  H01M50/536 ,  H01M10/052

Abstract: An energy-storage device, an electrical apparatus, and a winding method are provided in the disclosure. The energy-storage device includes an electrode and a separator, where the electrode and the separator are stacked and wound to form a cell. The electrode is connected with a tab at an end of the electrode in a width direction of the electrode, where the tab includes a first tab and at least one second tab. The first tab is positioned adjacent to an end of the electrode in a length direction of the electrode, and the first tab defines a U-shaped notch. The U-shaped notch is configured to indicate a winding end position of the electrode, facilitating identification and winding automation.

公开(公告)号：US20240429536A1

公开(公告)日：2024-12-26

申请号：US18731373

申请日：2024-06-03

Applicant: XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD.

Inventor： Zhenhua ZHENG

IPC: H01M50/264 ,  H01M50/209

Abstract: The present disclosure relates to a battery pack and an electric system. The battery pack includes: a battery module including a plurality of battery cells arranged in a thickness direction of each of the plurality of battery cells; a limit member abutting against an end of the battery module located in the thickness direction of the battery cell, the limit member having a first recess extending in the thickness direction of the battery cell; and a first binding strip surrounding the battery module and sleeved around the limit member in a height direction of each of the plurality of battery cells. The first binding strip is engaged in the first recess.

公开(公告)号：US20240429486A1

公开(公告)日：2024-12-26

申请号：US18735216

申请日：2024-06-06

Applicant: XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD.

Inventor： Haiming QI ,  Chunsheng HONG

IPC: H01M10/6555 ,  H01M10/613 ,  H01M10/6557 ,  H01M10/6568

Abstract: Provided are a liquid cooling plate and a battery module. The liquid cooling plate has a first liquid cooling portion and a second liquid cooling portion that are perpendicular to each other. The first liquid cooling portion is located at a middle position of the second liquid cooling portion in a first direction. The liquid cooling plate includes: a first plate body having a one-piece structure and including the first liquid cooling portion and a cover body portion of the second liquid cooling portion, the first plate body having a first flow channel of the first liquid cooling portion; and a second plate body having a one-piece structure and fixedly connected to the cover body portion, a second flow channel of the second liquid cooling portion being defined between the second plate body and the cover body portion. The first flow channel is in communication with the second flow channel.

公开(公告)号：US12176583B2

公开(公告)日：2024-12-24

申请号：US18119404

申请日：2023-03-09

Applicant: Shenzhen Hithium Energy Storage Technology Co., Ltd. ,  Xiamen Hithium Energy Storage Technology Co., Ltd.

Inventor： Wenyang Zhou ,  Yongfeng Xiong ,  Ming Yang

IPC: H01M50/593 ,  H01M50/586

Abstract: The present disclosure discloses a protective film assembly, applied to an electrode assembly of an energy storage device, and including an insulation sheet for wrapping the electrode assembly and arranged between a housing of the energy storage device and the electrode assembly. The first side surface covering region includes a first covering sub-region and a second covering sub-region which can overlap each other; the second side surface covering region includes a third covering sub-region and a fourth covering sub-region which can overlap each other; the maximum sizes of the first covering sub-region and the second covering sub-region in a thickness direction and height direction of the electrode assembly are equal, so that the first covering sub-region and the second covering sub-region have a high matching degree and a large bonding area. The present disclosure further discloses an energy storage device.

公开(公告)号：US20240413329A1

公开(公告)日：2024-12-12

申请号：US18662776

申请日：2024-05-13

Applicant: Shenzhen Hithium Energy Storage Technology Co., Ltd. ,  Xiamen Hithium Energy Storage Technology Co., Ltd.

Inventor： Jielin YUAN ,  Tong Yu

IPC: H01M4/583 ,  H01M4/02

Abstract: A negative electrode sheet includes a negative-electrode current collector and a negative-electrode material layer disposed on the negative-electrode current collector. The negative-electrode material layer includes a first active material that includes a first particle cluster and a second particle cluster. A compaction density of the first particle cluster after being compressed at a pressure of 5 tons is P1, and a compaction density of the second particle cluster after being compressed at a pressure of 5 tons is P2, where P1 and P2 satisfy: 1.0≤P1/P2≤1.5. When a volume percentage in the first particle cluster reaches 50%, a corresponding particle size value Dv50 satisfies: 13 μm≤Dv50≤20 μm, and when a volume percentage in the second particle cluster reaches 50%, a corresponding particle size value Dv50′ satisfies: 5 μm≤Dv50′≤12 μm.

公开(公告)号：US12160008B1

公开(公告)日：2024-12-03

申请号：US18766166

申请日：2024-07-08

Applicant: Xiamen Hithium Energy Storage Technology Co., Ltd.

Inventor： Jinyun Liang

IPC: H01M50/15 ,  H01M50/133 ,  H01M50/143 ,  H01M50/16 ,  H01M50/70

Abstract: The present disclosure provides a lower plastic part, an end cover assembly, an energy storage device, and electrical equipment. The lower plastic part has a first surface and a second surface opposite to the first surface. The lower plastic part defines a groove, a stream guidance hole, and a concave portion. The groove and the concave portion are located at opposite ends of the lower plastic part in its length direction. The stream guidance hole penetrates through a bottom wall of the groove. A hole diameter of the stream guidance hole is progressively smaller. The lower plastic part further comprises a plurality of first ejector pin parts, a plurality of second ejector pin parts, and a plurality of third ejector pin parts which are symmetrical with respect to a center line of the lower plastic part in a width direction.

公开(公告)号：US20240372184A1

公开(公告)日：2024-11-07

申请号：US18777960

申请日：2024-07-19

Applicant: Shenzhen Hithium Energy Storage Technology Co., Ltd. ,  Xiamen Hithium Energy Storage Technology Co., Ltd.

Inventor： Yongfeng Xiong ,  Jinqiang Chen

IPC: H01M50/15 ,  H01M50/103 ,  H01M50/342 ,  H01M50/367 ,  H01M50/383

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. A main body plate of an insulation holder includes a first surface and a second surface. A first wall plate and a second wall plate of the holder are both provided on the first surface and opposite to each other in the length direction of the main body plate. The first wall plate bends and extends away from the main body plate in the thickness direction of the main body plate. The second wall plate bends and extends away from the main body plate in the thickness direction of the main body plate. The main body plate, the first wall plate, and the second wall plate jointly define a receiving space to receive the explosion-proof-valve holder, and are all spaced apart from the explosion-proof-valve holder to form an airflow channel.

公开(公告)号：US20240363979A1

公开(公告)日：2024-10-31

申请号：US18636786

申请日：2024-04-16

Applicant: Xiamen Hithium Energy Storage Technology Co., Ltd.

Inventor： Tianpeng JIAO ,  Chenxu Fang

IPC: H01M50/536 ,  H01M50/534

CPC classification number: H01M50/536 ,  H01M50/534

Abstract: A connector, a battery, a battery pack, and an electricity-consumption device are provided in the disclosure. The connector includes a current collecting layer and a functional layer. The functional layer is disposed on at least part of a surface of the current collecting layer. An absorption rate of the functional layer for a laser is greater than an absorption rate of the current collecting layer for the laser, and the functional layer is partially soluble in the electrolyte.

公开(公告)号：US12107301B1

公开(公告)日：2024-10-01

申请号：US18610274

申请日：2024-03-20

Applicant: SHENZHEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD ,  XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD.

Inventor： Hepan Xiao ,  Jiben Tan

IPC: H01M50/567 ,  H01M50/15

CPC classification number: H01M50/567 ,  H01M50/15

Abstract: The present disclosure provides an end cover assembly, an energy storage device, and an electric apparatus. The end cover assembly includes: a cover plate having a first through hole; a pole including a pole body, the pole body passing through the first through hole and provided with a first thread at an outer peripheral surface of the pole body; an insulator provided on the cover plate and having a second through hole, the second through hole having a hole wall provided with a second thread, the pole body passing through the second through hole, and the first thread being connected to the second thread; an anti-loosening structure including a first anti-loosening portion and a second anti-loosening portion that are engaged with and connected to each other to prevent the insulator from loosening.