Patents by Inventor Shisong LI
Shisong LI 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: 11975355Abstract: A coating shim and a coating device, for applying a first slurry and a second slurry to an object to be coated are provided. The coating shim includes: a first flow channel for applying the first slurry to the object to be coated to form a first coating layer; and a second flow channel for applying the second slurry to the object to be coated to form a second coating layer. The first flow channel has a first slurry outlet at a first end face of the shim facing the object to be coated, the second flow channel has a second slurry outlet at the first end face, and the first slurry outlet and the second slurry outlet are configured to partially overlap in a thickness direction of the shim, such that the first coating layer and the second coating layer partially overlap in the thickness direction of the shim.Type: GrantFiled: July 7, 2023Date of Patent: May 7, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Huan Che, Wei Chen, Baohua Xu, Shisong Li
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Patent number: 11967698Abstract: Provided are a rolling apparatus and a processing device, which are used for rolling an electrode plate. The rolling apparatus includes a first roller and a second roller, where the first roller and the second roller are disposed at two sides of the electrode plate in a thickness direction of the electrode plate. The first roller is provided with a plurality of recessed portions, the electrode plate includes a plurality of insulation coating layer regions and a plurality of tabs, and in a projection of the electrode plate in the thickness direction, at least part of a projection of the insulation coating layer region and a projection of the tab are located within a projection of the recessed portion. The rollers deflect under a large rolling pressure.Type: GrantFiled: June 26, 2023Date of Patent: April 23, 2024Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITEDInventors: Zhikai Deng, Shisong Li, Tuo Zheng, Xuanyin Chen
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Publication number: 20240047642Abstract: Provided are an apparatus, process, and roller for forming electrode plate. The apparatus for forming electrode plate includes a first roller and a second roller. An inner cavity of a cylinder of the first roller is provided with a gas outlet structure, the gas outlet structure is connected to a gas supply apparatus, and surface of the cylinder of the first roller is provided with a circumferentially distributed cylinder gas discharge structure. The second roller is disposed opposite the first roller, and a gap is provided between the first roller and the second roller for rolling an electrode material into an electrode film.Type: ApplicationFiled: October 17, 2023Publication date: February 8, 2024Inventors: Hai Jia, Shisong Li, Kaiming Deng, Lei Lu, Yalong Wang, Ruochen Wang
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Patent number: 11850622Abstract: Provided are a coating apparatus and a coating system, where the coating apparatus includes: a coating module, the coating module including a coating roller and a coating die, where the coating roller is configured to drive, when rotating, a substrate to move toward the coating die, and the coating die is configured to apply a coating onto the substrate; an error acquisition module having a predetermined distance to the coating roller and configured to acquire a circular run-out error of rotation of the coating roller and transmit the circular run-out error to a linkage module; and the linkage module configured to adjust position of the coating die in real time according to the circular run-out error transmitted to the linkage module, so as to keep a distance between the coating roller and the coating die unchanged.Type: GrantFiled: June 26, 2023Date of Patent: December 26, 2023Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITEDInventors: Xiaoliang Gao, Xiaokang Yan, Xing Wang, Tuo Zheng, Shisong Li
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Patent number: 11855291Abstract: A surface treatment composition includes, expressed as parts by weight, a first ingredient of 1 to 30 parts and a second ingredient of 1 to 30 parts. The first ingredient is a polycaprolactone modified with an acidic group and/or a salt of the acidic group. The second ingredient is selected from polyether-modified polyolefin acid, polyether-modified polyalkenoate salt, polyether-modified polyalkenoate ester, or a combination thereof.Type: GrantFiled: June 19, 2023Date of Patent: December 26, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhiting Wei, Ning Wang, Xinghui Wang, Shisong Li, Shengwu Zhang, Sainan Mu
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Publication number: 20230411587Abstract: This application discloses an electrode plate rolling apparatus and an electrode plate rolling method that are configured to roll an electrode plate. The electrode plate includes a coated region and an uncoated region. The electrode plate rolling apparatus includes a roller group, a heating part, and a cooling part. The heating part is configured to heat the electrode plate, and the cooling part is configured to cool the electrode plate. The heating part further includes an extension assembly, and the extension assembly can extend the uncoated region when the heating part heats the electrode plate. The electrode plate passes through the cooling part after passing through the heating part. The heating part and the cooling part are configured to reduce a difference between an extensibility parameter of the uncoated region and an extensibility parameter of the coated region.Type: ApplicationFiled: August 16, 2023Publication date: December 21, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhiyang WU, Wang ZHANG, Shisong LI, Chao GUO, Chao YANG
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Publication number: 20230411627Abstract: A surface treatment composition includes, expressed as parts by weight, a first ingredient of 1 to 30 parts and a second ingredient of 1 to 30 parts. The first ingredient is a polycaprolactone modified with an acidic group and/or a salt of the acidic group. The second ingredient is selected from polyether-modified polyolefin acid, polyether-modified polyalkenoate salt, polyether-modified polyalkenoate ester, or a combination thereof.Type: ApplicationFiled: June 19, 2023Publication date: December 21, 2023Inventors: Zhiting WEI, Ning WANG, Xinghui WANG, Shisong LI, Shengwu ZHANG, Sainan MU
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Publication number: 20230395803Abstract: A negative electrode composition includes a negative active material and a plasticizer. The plasticizer includes a first plasticizer. The first plasticizer includes at least one of a POSS-containing block copolymer or a polyester containing a —[O—CH(CH3)—C(?O)]— structural unit.Type: ApplicationFiled: August 10, 2023Publication date: December 7, 2023Inventors: Lei LU, Gaihong ZHU, Shisong LI, Xinghui WANG
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Publication number: 20230384028Abstract: Provided are an air nozzle and a coater. The air nozzle includes an air outlet chamber, an air return chamber, and an infrared light assembly, where the air outlet chamber includes an air outlet panel, the air outlet panel facing a substrate to be treated; the air return chamber is provided with an air return panel on a side facing the substrate, the air return panel being provided with a plurality of punch holes for communication with the air return chamber; the air outlet panel is configured to convey a medium inside the air outlet chamber to outside the air nozzle, and the medium enters the air return chamber through the air return panel after passing through the substrate; and the infrared light assembly is provided on a path of the medium entering the air return chamber.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: Fang Luo, Huan Che, Wei Chen, Shisong Li
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Publication number: 20230369560Abstract: An electrode plate and a preparation method thereof are described. The electrode plate includes a current collector and an electrode active material layer disposed on at least one surface of the current collector, where the electrode active material layer has a maximum porosity on an outer surface side thereof. The electrode plate in this application has the maximum porosity on the outer surface side of the electrode active material layer, which can significantly increase an infiltration rate of electrolyte to the electrode plate.Type: ApplicationFiled: July 24, 2023Publication date: November 16, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Lei LU, Zheng WANG, Shisong LI
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Publication number: 20230356258Abstract: A coating extrusion head may include an extrusion head body and at least one pressure regulating assembly. The extrusion head body may be provided with a coating slot and an accommodating cavity which may be in communication with each other. The at least one pressure regulating assembly may be arranged in the accommodating cavity, and the pressure regulating assembly may be configured to be expandable in a first direction perpendicular to the coating slot.Type: ApplicationFiled: July 17, 2023Publication date: November 9, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Yang LIU, Huan CHE, Shisong LI, Yalong QING
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Publication number: 20230361305Abstract: The present application relates to an aqueous positive electrode sheet, including a current collector and a positive electrode active substance layer provided on at least one surface of the current collector, the positive electrode active substance layer including an aqueous binder, where bond strength AT between the positive electrode active substance layer and the current collector and cohesive CT of the positive electrode active substance layer itself satisfy the following relationship: 1?CT/AT?10. The present application further relates to a secondary battery including the aqueous positive electrode sheet, a battery pack including the secondary battery, and a power consumption apparatus including the battery pack.Type: ApplicationFiled: May 26, 2023Publication date: November 9, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Cong CHENG, Haile PEI, Junguang CHEN, Shengwu ZHANG, Xinghui WANG, Shisong LI
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Publication number: 20230347373Abstract: A coating shim and a coating device, for applying a first slurry and a second slurry to an object to be coated are provided. The coating shim includes: a first flow channel for applying the first slurry to the object to be coated to form a first coating layer; and a second flow channel for applying the second slurry to the object to be coated to form a second coating layer. The first flow channel has a first slurry outlet at a first end face of the shim facing the object to be coated, the second flow channel has a second slurry outlet at the first end face, and the first slurry outlet and the second slurry outlet are configured to partially overlap in a thickness direction of the shim, such that the first coating layer and the second coating layer partially overlap in the thickness direction of the shim.Type: ApplicationFiled: July 7, 2023Publication date: November 2, 2023Inventors: Huan Che, Wei Chen, Baohua Xu, Shisong Li
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Publication number: 20230352650Abstract: A strip diverting mechanism includes a negative pressure unit and an air discharge unit. The negative pressure unit and the air discharge unit are arranged opposite each other, and a gap through which a strip passes is formed between the negative pressure unit and the air discharge unit. The negative pressure unit is configured to provide a suction force to the strip and the air discharge unit is configured to provide a repulsive force to the strip, to prevent the strip from contacting the negative pressure unit and the air discharge unit.Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Inventors: Wei CHEN, Huan CHE, Yuting LI, Yalong QING, Tao NIE, Fang LUO, Shisong LI
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Publication number: 20230341184Abstract: Provided are an electrode plate drying device and a coating device, and relates to the technical field of batteries. The electrode plate drying device includes an oven, a first deflector roll, and a second deflector roll. The oven is configured to dry an electrode plate. The first deflector roll and the second deflector roll are disposed in the oven. The electrode plate winds around the first deflector roll and the second deflector roll. Positions of the first deflector roll and/or the second deflector roll in the oven are tunable so as to adjust a movement distance of the electrode plate in the oven.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Inventors: Wei Chen, Huan Che, Shisong Li
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Publication number: 20230335704Abstract: Provided are a rolling apparatus and a processing device, which are used for rolling an electrode plate. The rolling apparatus includes a first roller and a second roller, where the first roller and the second roller are disposed at two sides of the electrode plate in a thickness direction of the electrode plate. The first roller is provided with a plurality of recessed portions, the electrode plate includes a plurality of insulation coating layer regions and a plurality of tabs, and in a projection of the electrode plate in the thickness direction, at least part of a projection of the insulation coating layer region and a projection of the tab are located within a projection of the recessed portion. The rollers deflect under a large rolling pressure.Type: ApplicationFiled: June 26, 2023Publication date: October 19, 2023Inventors: Zhikai Deng, Shisong Li, Tuo Zheng, Xuanyin Chen
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Publication number: 20230330694Abstract: Provided are a coating apparatus and a coating system, where the coating apparatus includes: a coating module, the coating module including a coating roller and a coating die, where the coating roller is configured to drive, when rotating, a substrate to move toward the coating die, and the coating die is configured to apply a coating onto the substrate; an error acquisition module having a predetermined distance to the coating roller and configured to acquire a circular run-out error of rotation of the coating roller and transmit the circular run-out error to a linkage module; and the linkage module configured to adjust position of the coating die in real time according to the circular run-out error transmitted to the linkage module, so as to keep a distance between the coating roller and the coating die unchanged.Type: ApplicationFiled: June 26, 2023Publication date: October 19, 2023Inventors: Xiaoliang Gao, Xiaokang Yan, Xing Wang, Tuo Zheng, Shisong Li
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Publication number: 20230335738Abstract: A binder includes a polymer obtained by polymerizing at least a first component, a second component, and a third component. The first component includes a flexible monomer selected from C4-18 alkene. The second component includes a rigid monomer including at least one of an alkene having a rigid group or a polymerized monomer having a strong polar group. The rigid group is selected from C5-20 aryl, C4-8 saturated or unsaturated ring group, and C5-30 heterocyclyl. The third component includes a hydrophilic monomer containing a hydrophilic group selected from carboxyl, hydroxyl, amine, aldehyde, alcohol, amino, and amido.Type: ApplicationFiled: June 21, 2023Publication date: October 19, 2023Inventors: Lei LU, Gaihong ZHU, Kaiming DENG, Shisong LI
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Publication number: 20230327120Abstract: The present application discloses an electrode plate for a battery, a battery and a power consuming device. The electrode plate for a battery may comprise: a substrate, at least one binding layer and at least one barrier layer laminated in sequence on the substrate, wherein the binding layer and the barrier layer may be distributed alternately in the thickness direction; the binding layer may comprise a first binder; and the barrier layer may comprise a multi-component copolymer different from the first binder and an optional second binder, identical to or different from the first binder in the binding layer, wherein the multi-component copolymer may be a linear multi-component copolymer.Type: ApplicationFiled: June 12, 2023Publication date: October 12, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Fang LUO, Huan CHE, Wei CHEN, Shisong LI
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Patent number: 11777072Abstract: This application discloses an electrode plate rolling apparatus and an electrode plate rolling method that are configured to roll an electrode plate. The electrode plate includes a coated region and an uncoated region. The electrode plate rolling apparatus includes a roller group, a heating part, and a cooling part. The heating part is configured to heat the electrode plate, and the cooling part is configured to cool the electrode plate. The heating part further includes an extension assembly, and the extension assembly can extend the uncoated region when the heating part heats the electrode plate. The electrode plate passes through the cooling part after passing through the heating part. The heating part and the cooling part are configured to reduce a difference between an extensibility parameter of the uncoated region and an extensibility parameter of the coated region.Type: GrantFiled: December 29, 2020Date of Patent: October 3, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhiyang Wu, Wang Zhang, Shisong Li, Chao Guo, Chao Yang