Patents by Inventor Zhijun Guo
Zhijun Guo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11811017Abstract: A battery unit and a battery module, where the battery unit includes an electrode assembly, including a first electrode and a second electrode, which have opposite polarities, each of the first electrode and the second electrode includes a coated portion and an uncoated portion, and the uncoated portion is located at an end part of a coated portion along the length direction of the electrode assembly and forms a tab; two terminals, arranged at the top of the electrode assembly; and two current collectors for electrically connecting the tabs on both sides of the electrode assembly with the terminals on the same side respectively. At least one end of at least one current collector along the width direction of the electrode assembly is a flat plate structure, and the tab covers the flat plate structure from the outer side after being bent.Type: GrantFiled: January 17, 2020Date of Patent: November 7, 2023Assignee: Contemporary Amperex Technology Co., LimitedInventors: Jie Zhang, Zhijun Guo, Peng Wang
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Publication number: 20230344097Abstract: Embodiments of this application provide a battery cell, a battery, and an electric apparatus. The battery cell may include an electrode assembly, a housing, an electrode terminal, and a current collector. The electrode assembly may include a first tab. The housing may be configured to accommodate the electrode assembly. The electrode terminal may be disposed in the housing, and the electrode terminal may include a first concave portion and a connecting portion at the bottom of the first concave portion. The current collector may be connected to the first tab and welded to the connecting portion.Type: ApplicationFiled: July 6, 2023Publication date: October 26, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhisheng CHAI, Haizu JIN, Zhijun GUO, Hui GU
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Patent number: 11791068Abstract: A post insulator includes an insulating post including a first end and a second end that are opposite to each other, a high-voltage-end grading ring connected to the first end of the insulating post, the high-voltage-end grading ring being insulated from the insulating post, a grounding-end grading ring connected to the second end of the insulating post, the grounding-end grading ring being insulated from the insulating post, and a charge control ring disposed on an outer surface of the insulating post, the charge control ring being insulated from the insulating post, and the charge control ring being configured to accumulate surface charges.Type: GrantFiled: October 14, 2020Date of Patent: October 17, 2023Assignees: STATE GRID CORPORATION OF CHINA, SINOMA ADVANCED MATERIALS CO., LTD., NORTH CHINA ELECTRIC POWER UNIVERSITY, SINOMA JIANGXI INSULATOR AND ELECTRICITY CO., LTD.Inventors: Licheng Lu, Faqiang Yan, Bo Qi, Zhiyi Chong, Chengrong Li, Zhijun Guo, Xiao Yang, Yanxia Ding
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Publication number: 20230324774Abstract: Various embodiments of an interconnect mechanism facilitate the connection of an image capture device to an accessory (either directly or indirectly). In one embodiment, the interconnect mechanism includes a rotatable support that is movable between a series (plurality) of discrete rotational positions through an unlimited range of motion. In another embodiment, the interconnect mechanism includes a pivotable support, which allows for reconfiguration of the interconnect mechanism between a stowed configuration, in which the support is concealed, and a deployed configuration, in which the support is exposed so as to facilitate the connection of the interconnect mechanism and the accessory. In yet another embodiment, the interconnect mechanism includes protrusions that are pivotably reconfigurable between a stowed configuration, in which the protrusions are rotatably fixed, and a deployed configuration, in which the protrusions are rotatable through a range of motion about an axis of rotation.Type: ApplicationFiled: April 5, 2023Publication date: October 12, 2023Inventors: John George Muhlenkamp, IV, Matthew David Thomas, Huy Phuong Nguyen, Guillaume Abbe, Bessy Wen-Han Liang, Zhijun Guo, Jesse Frost Patterson
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Publication number: 20230299395Abstract: A battery cell may include: a housing, on which an opening is made; an electrode assembly, accommodated in the housing; and an end cap, configured to fit and cover the opening. The end cap may include a cap body and a protruding structure around the cap body, the protruding structure may protrude from an inner surface of the cap body toward the electrode assembly, and at least a part of the protruding portion may be located in the housing and configured to fit with the housing. A recess may be formed on the end cap at a position corresponding to the protruding structure, and the recess may be recessed from an outer surface of the cap body toward the electrode assembly and configured to release a stress while the protruding portion extends into the housing.Type: ApplicationFiled: May 25, 2023Publication date: September 21, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kun FANG, Zhijun GUO
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Publication number: 20230291040Abstract: A battery cell includes a housing, an electrode assembly, an end cover, and a current collecting member. The housing has an opening, the electrode assembly has a tab, the electrode assembly is configured to be accommodated in the housing, the end cover is configured to cover the opening, and the current collecting member is configured to connect the end cover to the tab to implement electrical connection between the end cover and the tab. The current collecting member is welded to the tab to form a first welded portion and a second welded portion, the current collecting member is welded to the end cover to form a third welded portion, the first welded portion is on an inner peripheral side of the third welded portion, and the second welded portion is on an outer peripheral side of the third welded portion.Type: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Inventors: Zhisheng CHAI, Kun FANG, Qingkui CHI, Dongsheng SUN, Hui GU, Zhijun GUO
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Patent number: 11742526Abstract: Provided is a rechargeable battery including an electrode assembly comprising an electrode assembly body and an electrode tab protruding from the electrode assembly body, and a connecting member comprising a guiding plate and a first connecting plate connected to the guiding plate. The guiding plate extends in a width direction and the first connecting plate extends away from a plate surface of the guiding plate along the width direction or extends toward the plate surface of the guiding plate along the width direction. The electrode tab has a stacked multi-layer structure, the electrode tab protrudes from a portion of an end surface of the electrode assembly body in a longitudinal direction at a side of a split of the electrode assembly body perpendicular to the width direction, and the electrode tab is bent with respect to a longitudinal direction and is connected to the first connecting plate.Type: GrantFiled: September 23, 2022Date of Patent: August 29, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Chengyou Xing, Zhijun Guo, Peng Wang, Taosheng Zhu, Yulian Zheng
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Battery cell, battery, power consumption device and manufacturing device and method for battery cell
Patent number: 11710872Abstract: An embodiment of the present application provides a battery cell, a battery, a power consumption device, and a manufacturing device and method for a battery cell. The battery cell includes a housing, an electrode assembly, an end cover assembly and a current collecting member. The electrode assembly is accommodated in the housing, and the electrode assembly includes a tab. The end cover assembly includes an end cover, an electrode terminal and an insulating member, the end cover is used to cover at an opening of the housing, the electrode terminal is mounted to the end cover, and the insulating member is located on one side of the end cover facing the electrode assembly. The current collecting member is used to connect the electrode terminal and the tab. This structure can make more space for the electrode assembly and can effectively increase the capacity of the battery cell.Type: GrantFiled: August 22, 2022Date of Patent: July 25, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Jianxiong Yang, Siying Huang, Jinmei Xu, Haizu Jin, Zhijun Guo, Linggang Zhou, Jiandong Yang -
Publication number: 20230216154Abstract: The present application relates to a current collecting member, a battery cell, a battery, and a power consuming device, which belong to the technical field of battery manufacturing. The present application provides a current collecting member for a battery cell. The current collecting member comprises: a terminal connecting portion for connection to an electrode terminal of the battery cell; a tab connecting portion for connection to a tab of the battery cell; and a transitional portion for connecting the terminal connecting portion and the tab connecting portion; wherein the transitional portion has a width greater than that of the tab connecting portion. The present application further provides a battery cell, a battery, and a power consuming device, which comprise the current collecting member. The battery cell, the battery and the power consuming device all have high safety performance and energy density due to the features of the current collecting member.Type: ApplicationFiled: March 15, 2023Publication date: July 6, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Denghua Lin, Jie Sun, Zhijun Guo, Yongbin Wu, Peng Wang, Haizu Jin
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Publication number: 20230216118Abstract: A battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device are provided. The battery cell comprises: an electrode assembly comprising a first tab, wherein the first tab is arranged around a central axis of the electrode assembly; a housing configured to accommodate the electrode assembly, wherein the housing comprises a barrel and a cover connected to the barrel, the barrel is arranged around a periphery of the electrode assembly, the cover is provided with an electrode lead-out hole, the central axis extends in a first direction and passes through the electrode lead-out hole, the first tab comprises a first annular portion, and a projection of the first annular portion in the first direction does not overlap with a projection of the electrode lead-out hole in the first direction; and an electrode terminal comprising a columnar portion.Type: ApplicationFiled: March 10, 2023Publication date: July 6, 2023Inventors: Kun Fang, Zhijun Guo
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Publication number: 20230207992Abstract: A battery cell may include: a housing having an opening; an electrode assembly, accommodated in the housing, where a first tab may be disposed on the electrode assembly at an end oriented toward the opening; and an end cap, configured to fit and cover the opening, where the end cap may include a first connector and a rupturable structure. The rupturable structure may be disposed along an edge of the first connector. The end cap may rupture along the rupturable structure when an internal pressure of the battery cell reaches a threshold, so as to release the internal pressure. The battery cell may further include a fixing structure, and the fixing structure may fixedly connect the first connector to the first tab, so as to restrict movement of the first connector.Type: ApplicationFiled: February 22, 2023Publication date: June 29, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kun FANG, Zhijun GUO
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Publication number: 20230207984Abstract: A battery cell may include: a housing having an opening; an electrode assembly, accommodated in the housing, where a first tab is disposed on the electrode assembly at an end oriented toward the opening; and an end cap, configured to fit and cover the opening. The end cap may include a cap body and a first protruding structure connected to the cap body. A rupturable structure may be disposed on the cap body. The end cap may rupture along the rupturable structure when an internal pressure of the battery cell reaches a threshold, so as to release the internal pressure. The first protruding structure may protrude from the cap body toward the electrode assembly, and support the first tab so that an avoidance clearance configured to avoid the rupturable structure is formed between the first tab and the cap body.Type: ApplicationFiled: February 23, 2023Publication date: June 29, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kun FANG, Zhijun GUO
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Publication number: 20230198108Abstract: A battery cell according to an embodiment of this application may include: a housing, on which an opening is made; an electrode assembly, accommodated in the housing, where the electrode assembly includes a first tab at an end oriented toward the opening; an end cap, configured to fit and cover the opening to seal the electrode assembly in the housing; and a current collecting structure, disposed between the end cap and the first tab, where the current collecting structure may be configured to be welded to the end cap and the first tab separately to implement electrical connection between the end cap and the first tab.Type: ApplicationFiled: February 16, 2023Publication date: June 22, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kun FANG, Zhijun GUO
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Publication number: 20230178860Abstract: A battery cell may include a housing; an end cap assembly comprising a cover plate and an electrode terminal; an electrode assembly comprising a main body and a tab extending from an end of the main body in a first direction, the first direction being perpendicular to a second direction; and a current collecting structure comprising a terminal connecting portion and a tab connecting portion that may be separately provided and connected to each other, and the tab connecting portion being configured such that: the tab connecting portion has a rigidity less than the rigidity of the terminal connecting portion to allow a relative movement between the cover plate and the electrode assembly by means of deformation of the tab connecting portion.Type: ApplicationFiled: January 18, 2023Publication date: June 8, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Denghua LIN, Zhijun GUO, Peng WANG, Haizu JIN
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Publication number: 20230140187Abstract: A rechargeable battery includes a battery core and a connection member. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate and connected to a tab of the battery core. The first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. The tab extends from a side of a core body of the battery core in a width direction. At least a portion of the guide plate protrudes, relative to the first connecting plate, towards the core body of the battery core to form a protrusion, and the protrusion abuts against the battery core.Type: ApplicationFiled: December 29, 2022Publication date: May 4, 2023Inventors: Chengyou XING, Yulian ZHENG, Taosheng ZHU, Peng WANG, Zhijun GUO
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Publication number: 20230136854Abstract: A rechargeable battery includes a battery core, a connection member, and a gasket. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate and connected to a tab of the battery core. The first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. The gasket is fastened to the first connecting plate and the tab. The tab is sandwiched between the first connecting plate and the gasket.Type: ApplicationFiled: December 29, 2022Publication date: May 4, 2023Inventors: Chengyou XING, Yulian ZHENG, Taosheng ZHU, Peng WANG, Zhijun GUO
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Publication number: 20230138054Abstract: A connection member includes a guide plate and a first connecting plate integrally formed on the guide plate. The first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. A portion, of the guide plate except a part corresponding to the at least one indentation, connected to the first connecting plate becomes gradually thinner in a direction from the guide plate to the first connecting plate.Type: ApplicationFiled: December 29, 2022Publication date: May 4, 2023Inventors: Chengyou XING, Yulian ZHENG, Taosheng ZHU, Peng WANG, Zhijun GUO
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Publication number: 20230118321Abstract: The present application relates to a battery cell, a battery, a power consumption apparatus, and a manufacturing method and device of a battery cell. The battery cell includes: a shell comprising a wall part; an electrode assembly disposed within the shell; and an insulating member disposed between the electrode assembly and the wall part to isolate the wall part from the electrode assembly in an insulating manner. The insulating member is configured to elastically support the electrode assembly to buffer vibration of the electrode assembly within the shell.Type: ApplicationFiled: April 20, 2022Publication date: April 20, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kun FANG, Zhijun GUO
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Publication number: 20230118437Abstract: Embodiments of the present application provide a battery cell, a method and a system for manufacturing the battery cell, a battery, and an electrical device. The battery cell provided by the embodiments of the present application include: an electrode assembly comprising a first tab; a casing for accommodating the electrode assembly, the casing comprising a wall provided with an electrode lead-out hole; an electrode terminal mounted at the electrode lead-out hole; and a current collecting member positioned between the wall and the first tab and configured to connect the electrode terminal and the first tab. A first recess is provided at an end of the electrode terminal that faces the first tab, a side wall of the first recess is bent outward so that the electrode terminal is fixed to the wall, and the current collecting member is abutted against and connected to a bottom surface of the first recess.Type: ApplicationFiled: April 15, 2022Publication date: April 20, 2023Applicant: Contemporary Amperex Technology Co., LimitedInventors: Kun FANG, Zhijun Guo
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Publication number: 20230122619Abstract: Embodiments of the present application provide a battery cell, a battery, a power consumption device, and a manufacturing method and device of a battery cell, which belong to the field of battery technology. A battery cell includes a housing, an electrode assembly, an end cover, and a current collecting member. The electrode assembly has a tab. The housing with an opening is configured to accommodate the electrode assembly. The end cover is configured to cover the opening and connected to the housing. The current collecting member is located in the housing, and is configured to connect the tab and the housing. An inner side surface of the housing is protruded with a first restraint member, and the current collecting member abuts against a side of the first restraint member facing the electrode assembly, which can reduce the risk of failure of electrical connection between a battery assembly and a housing.Type: ApplicationFiled: June 13, 2022Publication date: April 20, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kun FANG, Zhijun GUO, Ying LI