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公开(公告)号：US20200091487A1
公开(公告)日：2020-03-19
申请号：US16517448
申请日：2019-07-19
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun ZENG , Fenggang Zhao , Shengtian CAI , Yangzhi HUANG , Chuanlian CHEN , Daohui LIU
IPC: H01M2/20
Abstract: The present disclosure provides a battery module, a busbar and a busbar assembly thereof. The busbar comprises a first connecting portion, a second connecting portion and a first main portion. The first connecting portion is connected to a first battery of the battery module, the second connecting portion is connected to a second battery. The first main portion connects the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion are positioned at the same side of the first main portion in a transverse direction. The first connecting portion and the second connecting portion are spaced from each other in a longitudinal direction, and a first slit is formed between the first connecting portion and the second connecting portion. The first main portion is provided with a first notch, the first notch is communicated with the first slit.
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公开(公告)号：US20230299275A1
公开(公告)日：2023-09-21
申请号：US18322824
申请日：2023-05-24
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun ZENG
CPC classification number: H01M4/366 , H01M4/625 , H01M4/5825 , H01M4/48 , H01M10/054 , H01M4/131 , C01B25/45 , H01M2004/028
Abstract: A positive electrode active material includes a conductive base material and an active substance distributed at the conductive base material. The active substance has a core-shell structure including a core layer material and a shell layer material. The conductive base material includes a carbon material, the core layer material includes a phosphate-based sodium salt material, and the shell layer material includes a metal oxide.
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公开(公告)号：US20230231100A1
公开(公告)日：2023-07-20
申请号：US18190240
申请日：2023-03-27
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun ZENG
CPC classification number: H01M4/0404 , H01M4/623 , H01M4/661 , H01M4/131 , H01M2004/027
Abstract: An electrochemical device and electronic device, including a positive electrode plate and a negative electrode plate, wherein the positive electrode plate includes a positive electrode current collector and a positive electrode active material, and the negative electrode plate includes a negative electrode current collector and a group of step coatings disposed on surface of the negative electrode current collector close to the positive electrode plate, and a weight of the positive electrode active material per unit area on the positive electrode current collector is ga expressed in cm2, a gram capacity of the positive active material is Ca expressed in mAh/g, a thickness of the step coating is L expressed in μm, and a theoretical volume gram capacity of sodium metal is X expressed in mAh/cm3, and L satisfies Formula (I) are described.
L
=
C
a
*
g
a
X
*
1
0
0
0
0
*
(
1
±
0
.1
)
.
(
I
)-
公开(公告)号：US20230223666A1
公开(公告)日：2023-07-13
申请号：US18118753
申请日：2023-03-08
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Yuqun ZENG , Yongshou LIN , Zhenhua LI , Haizu JIN , Xiaowen ZHANG
IPC: H01M50/581 , H01M4/62 , H01G11/68 , H01M4/66 , H01G11/14 , H01M10/0525 , H01G11/70 , H01M4/02
CPC classification number: H01M50/581 , H01M4/628 , H01G11/68 , H01M4/667 , H01G11/14 , H01M10/0525 , H01G11/70 , H01M2004/028 , H01M2200/106
Abstract: The present invention relates to a positive electrode plate and an electrochemical device. The positive electrode plate comprises a current collector, a positive active material layer and a safety coating disposed between the current collector and the positive active material layer, and wherein the safety coating comprises a polymer matrix, a conductive material and an inorganic filler and wherein when the safety coating and the positive active material layer are collectively referred as a film layer, the film layer has an elongation of 30% or more and wherein the polymer matrix of the safety coating is fluorinated polyolefin and/or chlorinated polyolefin having a crosslinked structure. The positive electrode plate may improve the safety performance during nail penetration of the electrochemical device such as capacitor, primary battery or secondary battery and the like.
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公开(公告)号：US20220013839A1
公开(公告)日：2022-01-13
申请号：US17113013
申请日：2020-12-05
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun ZENG , Zhimin ZENG , Kai WU , Xingdi CHEN , Peng WANG , Xiaobo CHEN , Yao LI
IPC: H01M50/209 , H01M10/0525 , H01M10/42 , H01M10/625 , H01M50/249 , H01M50/271 , H01M50/287 , H01M50/342 , H01M50/375
Abstract: The present application discloses a battery and a related apparatus, production method, production device therefor. A battery includes a plurality of battery cells, a cover body and an insulating part. The plurality of battery cells are configured to be electrically connected to each other through a bus component; a cover body includes an accommodation space configured to install the bus component; and the insulating part is attached to the cover body and provided to cover at least the bus component. According to the present application, a bus component configured to electrically connect a plurality of battery cells in a battery is embedded on a cover body. This arrangement makes the structure of the battery more compact, and since the bus component is not sealed in a case, part of the structure of a battery management unit may be arranged outside the case of the battery.
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Patent Agency Ranking
公开(公告)号：US20220013756A1
公开(公告)日：2022-01-13
申请号：US17113018
申请日：2020-12-05
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun ZENG , Zhimin ZENG , Kai WU , Xingdi CHEN , Peng WANG , Zhanyu SUN
IPC: H01M2/12 , H01M2/10 , H01M10/6567
Abstract: The present application discloses a battery and a related apparatus, production method and production device therefor. The battery includes: a battery cell, the battery cell including a pressure relief mechanism configured to be capable of being actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; an attachment component adapted to be attached to the battery cell by an adhesive; and an isolation component configured to be capable of preventing the adhesive from being applied between the attachment component and the pressure relief mechanism. By providing the isolation component, it is possible to prevent the adhesive from being applied between the attachment component and the pressure relief mechanism in an effective manner in a process of battery production. Meanwhile, application efficiency and accuracy of the adhesive could be improved, thereby improving production efficiency of the battery.
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公开(公告)号：US20210376372A1
公开(公告)日：2021-12-02
申请号：US17135741
申请日：2020-12-28
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Chengdu LIANG , Hu XU , Haizu JIN , Yuqun ZENG
IPC: H01M10/04 , H01M50/204 , H01M10/0585 , H01M10/0587
Abstract: An electrode assembly and a related battery, and battery module are provided, wherein the electrode assembly includes: at least one positive electrode plate and at least one negative electrode plate, the number of all the positive and negative electrode plates is greater than or equal to 3; the positive and negative electrode plates are wound around the winding axis and arranged in a superimposing manner along a direction vertical to the winding axis, each positive electrode plate includes a positive main body part, at least part of the positive main body part is a positive active substance area, each negative electrode plate includes a negative main body part, at least part of the negative main body part is the negative active substance area, two ends of the negative active substance area along the winding axis both exceed corresponding ends of the adjacent positive active substance area.
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公开(公告)号：US20210119292A1
公开(公告)日：2021-04-22
申请号：US17137172
申请日：2020-12-29
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Haizu JIN , Fei HU , Zhenhua LI , Dongyang SHI , Rui YANG , Yuqun ZENG , Yongshou LIN
IPC: H01M50/20 , H01M50/15 , H01M50/147
Abstract: The present disclosure provides a battery module and a battery pack. The battery pack comprises a box and a battery module, the battery module is accommodated in the box. The battery module comprises batteries sequentially arranged in a first direction. The battery comprises an electrode assembly, a case and a cap assembly, the electrode assembly is received in the case, and the cap assembly is connected with the case. The case comprises two first side walls, and the two first side walls are respectively positioned at two sides of the electrode assembly in the first direction. The first side walls of two adjacent batteries face each other. An area of the first side wall is defined as S1, a distance between the electrode assemblies of two adjacent batteries in the first direction is defined as D, S1 and D satisfying a relationship: 1.2×10−5 mm−1≤D/S1≤500×10−5 mm−1.
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公开(公告)号：US20210111455A1
公开(公告)日：2021-04-15
申请号：US17129559
申请日：2020-12-21
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun ZENG , Fenggang ZHAO , Xingdi CHEN , Lei WANG , Linggang ZHOU , Peng WANG
Abstract: The present disclosure provides a battery box and a vehicle, the battery box comprises an upper box body, a lower box body, a connecting member, a fixing member. The upper box body comprises a first eave portion, the lower box body comprises a second eave portion. The first eave portion is provided with a first connecting hole, the second eave portion is provided with a second connecting hole and a mounting hole. The connecting member passes through the first connecting hole and the second connecting hole to connect the upper box body and the lower box body. The fixing member passes through the mounting hole to make the lower box body mounted to external equipment, compared with the conventional battery box, the lower box body is equivalent to the arrangement of eliminating the third eave portion, it simplifies the structure and reduces the weight, thereby improving the energy density.
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公开(公告)号：US20200094680A1
公开(公告)日：2020-03-26
申请号：US16364395
申请日：2019-03-26
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun ZENG , Kai WU , Chao WANG , Wei DAI , Qiandeng LI
Abstract: A control apparatus comprises a microcontroller, an auxiliary circuit, a delay module and a logical circuit; the microcontroller is connected to a first input end of the logical circuit via the auxiliary circuit and connected to a second input end of the logical circuit via the delay module, and an output end of the logical circuit is connected to a device to be controlled; if the microcontroller is reset in a process of outputting the closing control signal, a delay disabling signal becomes invalid, the delay module is enabled to output the closing control signal within a preset delay time, wherein the delay time is greater than or equal to a reset time. A power supply system is also provided to avoid a risk that an automobile suddenly loses power due to unexpected reset of the microcontroller.
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