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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Publication number: 20240363829Abstract: A pole piece manufacturing device is described. The pole piece manufacturing device includes a membrane forming mechanism, a composite mechanism, a detection mechanism and an adjustment mechanism. The membrane forming mechanism is configured to form an active substance into a membrane. The composite mechanism is configured to composite the membrane and a substrate into a pole piece. The detection mechanism is is configured to detect a thickness or a weight per unit area of the membrane. The adjustment mechanism is configured to adjust the membrane forming mechanism according to detection results of the detection mechanism, so as to control the thickness or the weight per unit area of the membrane within a preset range. The membrane is detected by providing the detection mechanism. When the membrane does not meet the design requirements, the membrane forming mechanism is adjusted timely through the adjustment mechanism to make it meet the design requirements.Type: ApplicationFiled: July 5, 2024Publication date: October 31, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Linzhen YU, Lei LU, Zheng WANG, Shisong LI, Shengwu ZHANG, Yalong QING
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Publication number: 20240356033Abstract: The present application provides a negative electrode slurry, and a method for preparing the same, as well as a negative electrode plate, a secondary battery, a battery module, a battery pack, and an electrical apparatus thereof, where the negative electrode slurry comprises a negative electrode binder, and the negative electrode binder comprises a polymer composed of a building block represented by formula (I). The negative electrode binder in the present application is used to effectively improve the problem of roller sticking of the negative electrode plate during cold pressing, and the negative electrode binder and the negative electrode active material are better cladded, thereby reducing solid electrolyte interface reconstruction during cycles, and improving cycling performance and storage performance of the secondary battery.Type: ApplicationFiled: July 1, 2024Publication date: October 24, 2024Inventors: Sainan Mu, Ning Wang, Xinghui Wang, Shisong Li, Shengwu Zhang, Zhiting Wei
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Publication number: 20240339621Abstract: Provided are a secondary battery including an electrode sheet, the electrode sheet including: a current collector and an active material layer; the active material layer is provided on at least one surface of the current collector; the active material layer is divided into a first region and a second region in its thickness direction; the first region is located in a direction close to the surface of the current collector, the thickness of the first region accounts for ½ of the thickness of the active material layer, the binder content in the first region is denoted as A; the second region is located in a direction away from the surface of the current collector, the thickness of the second region accounts for ½ of the thickness of the active material layer, and the binder content in the second region is denoted as B; the electrode sheet satisfies: 1<B/A?1.04.Type: ApplicationFiled: June 18, 2024Publication date: October 10, 2024Inventors: Kaiming Deng, Lei Lu, Yalong Wang, Zheng Wang, Linzhen Yu, Changyuan Hu, Shisong Li, Shunhao Dai
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Publication number: 20240313224Abstract: An electrode assembly includes a water-based positive electrode plate and a negative electrode plate, wherein the water-based positive electrode plate includes a positive electrode current collector and a positive electrode film layer located on at least one surface of the positive electrode current collector; and the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector; at least part of surface of the water-based positive electrode plate is provided with a plurality of first micropores, and satisfies: 0.001%?(S12×H12×D1)/(S11×C1×H11)?1%, at least part of surface of the negative electrode plate is provided with a plurality of second micropores, and satisfies: 0<(S22×H22×D2)/(S21×C2×H21)?2.5%.Type: ApplicationFiled: March 26, 2024Publication date: September 19, 2024Inventors: Junguang CHEN, Cong CHENG, Haile PEI, Shengwu ZHANG, Xinghui WANG, Shisong LI
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Publication number: 20240286164Abstract: A coating die head includes a die head body and at least two regulators. A discharge channel communicating with an external environment is disposed on the die head body. The discharge channel includes a discharge port. The discharge port extends along a first direction. The first direction intersects a discharge direction of the discharge channel. The at least two regulators are disposed on the die head body and distributed along the first direction. At least a part of each regulator is movable in the discharge channel along a second direction. The second direction is perpendicular to the discharge direction and the first direction. A dimension along the first direction differs between the at least two regulators.Type: ApplicationFiled: May 9, 2024Publication date: August 29, 2024Inventors: Shengwu ZHANG, Xuyong LIU, Hongwu SHANG, Shisong LI
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Publication number: 20240282958Abstract: In various embodiments, provided are an electrode plate, a method for preparing the same, a secondary battery, a battery module, and a battery pack comprising a main body region and an isolation region, where the isolation region is arranged on both sides of the main body region along a width direction of the electrode plate, the isolation region is provided with an insulating strip coating, and the main body region is provided with an active material layer. An outer edge of the active material layer is confined to a junction between the main body region and the isolation region, and a contact angle between a slurry forming the active material layer and the insulating strip coating is more than 90°, thereby improving the problem of diffusion of the active material slurry along the width direction of the electrode plate, and reducing a defective rate of the electrode plate.Type: ApplicationFiled: April 12, 2024Publication date: August 22, 2024Inventors: Wei Chen, Huan Che, Fang Luo, Shisong Li
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Publication number: 20240282910Abstract: 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. The negative pressure unit comprises two air channels located at two sides of the negative pressure unit and configured to discharge air to a direction away from the negative pressure unit, to generate a negative pressure area at a center of the negative pressure unit.Type: ApplicationFiled: May 2, 2024Publication date: August 22, 2024Inventors: Wei CHEN, Huan CHE, Yuting LI, Yalong QING, Tao NIE, Fang LUO, Shisong LI
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Publication number: 20240282967Abstract: A secondary battery is disclosed. The secondary battery includes a first binder and a second binder, the first binder includes at least one of polyvinylidene fluoride, rubber, epoxy resin, polyurethane, and acrylate, and the second binder includes at least one of polytetrafluoroethylene, polyimide, polypropylene, polyethylene, ethylene vinyl acetate copolymer, and styrene-ethylene-butylene-styrene block copolymer.Type: ApplicationFiled: May 1, 2024Publication date: August 22, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Changyuan HU, Lei LU, Yalong WANG, Zheng WANG, Kaiming DENG, Linzhen YU, Shisong LI, Shunhao DAI
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Publication number: 20240274783Abstract: An electrode plate manufacturing apparatus includes a roller press mechanism configured to roller press an electrode plate and a freezing mechanism disposed upstream of the roller press mechanism. The freezing mechanism is configured to freeze the electrode plate. An electrode plate manufacturing method includes freezing an electrode plate and roller pressing the frozen electrode plate.Type: ApplicationFiled: March 1, 2024Publication date: August 15, 2024Inventors: Yuantian ZHENG, Yong WANG, Huan CHE, Shisong LI
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Publication number: 20240247870Abstract: A drying apparatus for drying a material belt includes at least one material-belt turning mechanism, used for changing a travel direction of the material belt, and including a first passing roller, a turning roller, and a second passing roller sequentially arranged in the travel direction of the material belt. The turning roller is configured to move in a first direction relative to the first passing roller and the second passing roller to adjust a wrap angle of the material belt on the turning roller, the first direction perpendicular to an axial direction of the turning roller.Type: ApplicationFiled: April 3, 2024Publication date: July 25, 2024Inventors: Lei LU, Linzhen YU, Yalong WANG, Changyuan HU, Zheng WANG, Kaiming DENG, Shisong LI, Shengwu ZHANG
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Publication number: 20240243378Abstract: A battery electrode plate includes an electrode plate body, and each of two surfaces of the electrode plate body is provided with an active material layer. The battery electrode plate further includes an identification layer. The identification layer is arranged on at least one surface, and the coatings on the two surfaces are different in shape or position.Type: ApplicationFiled: March 29, 2024Publication date: July 18, 2024Inventors: Shisong LI, Baohua XU, Hongwu SHANG, Zi WANG
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Publication number: 20240238829Abstract: 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: April 1, 2024Publication date: July 18, 2024Inventors: Huan Che, Wei Chen, Baohua Xu, Shisong Li
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Publication number: 20240219311Abstract: The disclosure provides a system for electromagnetic monitoring of active cracks in a concrete dam. The system includes at least four electromagnetic signal acquisition devices and a main control module. Each electromagnetic signal acquisition device includes: an electromagnetic monitoring sensor, an electromagnetic signal acquisition module, a power supply module and a first wireless communication module, for collecting and extracting electromagnetic radiation signals generated by the active cracks in the concrete dam. The main control module includes: a second wireless communication module, a CPU, a data storage unit and a data display unit, for processing the electromagnetic radiation signals received by the second wireless communication module, positioning locations of the active cracks and quantifying sizes of the active cracks.Type: ApplicationFiled: June 6, 2023Publication date: July 4, 2024Applicant: Tsinghua UniversityInventors: Songling Huang, Lisha Peng, Xinjie Yu, Jinghua Zhang, Shisong Li, Shuzhi Wen
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Publication number: 20240207915Abstract: A flattening device includes a main roller and a plurality of sleeves. The plurality of sleeves are sleeved on the main roller at intervals in an axial direction of the main roller. At least one of the sleeves is detachably connected to the main roller, so that positions of the sleeves in the axial direction of the main roller are adjustable, and the sleeves are in contact with the electrode plate to flatten the electrode plate when the electrode plate passes through the sleeves.Type: ApplicationFiled: March 11, 2024Publication date: June 27, 2024Inventors: Xuyong LIU, Jingjing PU, Hongwu SHANG, Shisong LI, Shengwu ZHANG
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Publication number: 20240204164Abstract: The present disclosure relates to the field of battery production device technologies, and more particularly, to an oven and a battery assembly line production device. The oven at least includes a first oven unit, a second oven unit, a third oven unit, and a fourth oven unit that are sequentially connected in series in a conveying direction of the electrode plate. Based on drying physical characteristics of the electrode plate, the first oven unit and the third oven unit are internally provided with air nozzles and infrared heaters for drying the electrode plate by hot air and infrared rays. The second oven unit and the fourth oven unit are internally provided with the air nozzles for drying the electrode plate by hot air.Type: ApplicationFiled: January 19, 2024Publication date: June 20, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Fang LUO, Huan CHE, Tao NIE, Wei CHEN, Shisong LI
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Patent number: 12015138Abstract: 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: GrantFiled: July 11, 2023Date of Patent: June 18, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Wei Chen, Huan Che, Yuting Li, Yalong Qing, Tao Nie, Fang Luo, Shisong Li
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Publication number: 20240189946Abstract: An electrode plate supporting device may be used in coordination with the laser assembly and may include a body constructed with an abutting surface for abutting against an electrode plate to tension the electrode plate. The laser assembly may be configured to emit laser to the abutting surface. During laser cutting, the electrode plate may abut against the abutting surface and closely fits the abutting surface to extend fully and thus may be in a flattened state, and therefore, the problem of defocusing caused by a wavy edge may be solved. Moreover, supported by the abutting surface, the electrode plate may be tensioned and not prone to shaking, and therefore, problems such as failing to cut off the incoming material due to easy shaking of the electrode plate may be effectively solved.Type: ApplicationFiled: September 12, 2023Publication date: June 13, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Kaiwei ZHAO, Yuantian ZHENG, Yong WANG, Hongwu SHANG, Shisong LI
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Publication number: 20240178362Abstract: An electrode plate manufacturing apparatus includes a first coating device configured to apply a first active material coating on a first side of a current collector; a perforating device configured to perforate the current collector from a second side of the current collector, the second side being opposite to the first side; and a second coating device configured to apply a second active material coating on the second side of the current collector, where the perforating device is located downstream of the first coating device along a travel path of the current collector, and the second coating device is located downstream of the perforating device along the travel path of the current collector.Type: ApplicationFiled: February 9, 2024Publication date: May 30, 2024Inventors: Diwu LI, Hongwu SHANG, Shisong LI, Huan CHE, Zhenguang TANG, Linchen LIAO
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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