Patents by Inventor Xueqing Qiu
Xueqing Qiu 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: 20250123307Abstract: The present disclosure discloses a testing system, a battery production line, and a testing method. The testing system includes a control device and a test device. The test device includes at least two probe card adjustment assemblies. The control device is connected to the test device and configured to adjust the probe card adjustment assemblies according to an adjustment strategy, and drive the adjusted probe card adjustment assemblies to test the battery module currently to be tested. The adjustment strategy is determined based on current module information corresponding to the battery module and historical module information. The historical module information is the module information of a battery module tested last time. The technical solution provided by the embodiments of the present disclosure can quickly adjust the probe card adjustment assemblies to adapt to different battery modules.Type: ApplicationFiled: July 26, 2024Publication date: April 17, 2025Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Weihong XIE, Shlping QIU, Haijie WANG, Guangwei ZHOU, Xueqing GONG, Dingshan YU
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Patent number: 12275595Abstract: A logistics conveying line for conveying a workpiece includes a frame including at least two stations and a driving mechanism including a driving portion and a connecting member. The driving portion is movably mounted at the frame. The connecting member is movably mounted at the driving portion. The connecting member is configured to switch between a connected state and a disconnected state with respect to a carrier. The carrier is configured to bear the workpiece. The driving portion is configured to, when the connecting member is in the connected state with respect to the carrier, drive the carrier to move from one of the stations to another one of the stations.Type: GrantFiled: July 19, 2023Date of Patent: April 15, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Shunlin Liao, Xiuzhi Zhai, Dingshan Yu, Kun Qiu, Xueqing Gong
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Publication number: 20250116985Abstract: A cart remodeling control method includes: acquiring, when a cart reaches a preset position, current blueprint information of the cart; receiving target blueprint information sent by a manufacturing execution system, and matching the current blueprint information with the target blueprint information for consistency; controlling, when the current blueprint information is inconsistent with the target blueprint information, a jacking mechanism to perform positioning and jacking actions on the cart, and then sending a control instruction to a robot; wherein the control instruction is used for controlling a gripper mechanism arranged on the robot to perform a pick-and-place action on at least one position-limiting block on the tray; and determining, when a position of the at least one position-limiting block matches a position-limiting block position in the target blueprint information, that remodeling of the cart is successful, and controlling the jacking mechanism to perform a releasing action to release the caType: ApplicationFiled: September 20, 2024Publication date: April 10, 2025Inventors: Kai WU, Yuming XIE, Shiping QIU, Xueqing GONG, Fanke CHEN, Zhiqiang SUN
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Publication number: 20250116993Abstract: A system includes a control device, a material cabinet, a socket selector, a host computer, and a tightening gun controller. The control device, when receiving target material picking information sent by the host computer, controls the material cabinet to open a target cabinet door according to the target material picking information to indicate taking a target material away, and controls the socket selector to perform target socket indication processing. A cabinet body corresponding to the target cabinet door includes the target material. The control device, when determining that the target socket has been taken away, enables the tightening gun controller, or when determining that the target socket has not been taken away, does not enable the tightening gun controller. The tightening gun controller, when enabled, executes assembly processing of the target material through the target socket if a tightening trigger instruction is received.Type: ApplicationFiled: September 6, 2024Publication date: April 10, 2025Inventors: Yanlin SUN, Zhiqiang SUN, Yijun XIA, Shiping QIU, Fanke CHEN, Xueqing GONG
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Patent number: 12266405Abstract: A memory includes at least a target word line and a first word line group and a second word line group respectively stacked on both sides of the target word line. The first word line group includes first word lines, and the second word line group includes second word lines. A method for operating the memory includes, during a pre-charge operation, applying a first bias voltage signal to the plurality of first word lines, applying a second bias voltage signal to a target word line, and applying a third bias voltage signal to the plurality of second word lines. The method also includes, during a programming operation, applying a program voltage signal to a target word line.Type: GrantFiled: December 27, 2022Date of Patent: April 1, 2025Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.Inventors: Lu Qiu, Xueqing Huang, Junyao Zhu, Yao Chen
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Publication number: 20240315943Abstract: Disclosed in the present invention are a light-colored catechol lignosulfonate sunscreen microcapsule, and a preparation therefor and the use thereof. According to the present invention, lignosulfonate is modified by using a vulcanization method to prepare catechol lignosulfonate, and the catechol lignosulfonate, a sunscreen agent and a surfactant are then subjected to ultrasonic cavitation to prepare a catechol lignosulfonate/chemical sunscreen agent microcapsule emulsion, The preparation process of the lignin/chemical sunscreen agent microcapsule of the present invention is environmentally friendly, has low costs and an excellent ultraviolet absorption performance, has a lighter color compared to other lignin-based sunscreen agents, and has a good biological adhesion and penetration resistance, which solves the problems of poor water resistance, greater pollution caused by the preparation process, easy penetration into the skin to harm the human body, etc. of conventional sunscreen agents.Type: ApplicationFiled: July 28, 2022Publication date: September 26, 2024Inventors: Yong Qian, Xueqing Qiu, Dongjie Yang, Hongming Lou, Xinping Ouyang
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Publication number: 20240239964Abstract: Provided are a biodegradable self-healing rubber elastomer and its preparation method, which belongs to the field of elastomeric materials. The biodegradable self-repairing rubber elastomer is prepared by a melting method in which enzymatic lignin and itaconic acid are added to lipoic acid separately, melted and blended separately, and then cooled to obtain the rubber elastomer.Type: ApplicationFiled: July 28, 2023Publication date: July 18, 2024Inventors: Dongyu ZHU, Xueqing QIU, Xuliang LIN, Wenli ZHANG, Yanlin QIN, Liheng CHEN
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Patent number: 12024599Abstract: Provided are a biodegradable self-healing rubber elastomer and its preparation method, which belongs to the field of elastomeric materials. The biodegradable self-repairing rubber elastomer is prepared by a melting method in which enzymatic lignin and itaconic acid are added to lipoic acid separately, melted and blended separately, and then cooled to obtain the rubber elastomer.Type: GrantFiled: July 28, 2023Date of Patent: July 2, 2024Assignee: GUANGDONG UNIVERSITY OF TECHNOLOGYInventors: Dongyu Zhu, Xueqing Qiu, Xuliang Lin, Wenli Zhang, Yanlin Qin, Liheng Chen
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Patent number: 11952278Abstract: The present invention belongs to the technical field of biomass carbon materials, and relates to a lignin porous carbon nanosheet, a preparation method therefor, and an application thereof in supercapacitor electrode materials. The method of the present invention performs layer-by-layer self-assembly of sulfonated lignin and oxalate in a selective solvent to prepare a layer-by-layer self-assembled lignin/oxalate composite, which is then carbonized and pickled to obtain the lignin porous carbon nanosheets. The lignin porous carbon nanosheets prepared by the above method of the present invention have a specific surface area of 200-1500 m2/g, a micropore specific surface area of 100-500 m2/g, a mesoporous specific surface area of 100-1000 m2/g, a pore diameter of 0.5-30 nm, and a pore volume of 0.5-1.5 cm3/g; they can be applied to supercapacitor electrode materials, showing higher specific capacitance and excellent rate performance (with a specific capacitance retention rate of 76.Type: GrantFiled: October 23, 2019Date of Patent: April 9, 2024Assignee: South China University of TechnologyInventors: Xueqing Qiu, Dongjie Yang, Huan Wang, Zhiqiang Fang, Hongming Lou, Weifeng Liu, Zhixian Li, Jinhao Huang, Xinping Ouyang
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Patent number: 11905430Abstract: A lignosulfonate dispersion self-healing polyurea coating and a preparation method therefor. The coating is obtained by reacting the following components in parts by mass: 1-10 parts of microcapsules of a lignosulfonate-embedded healing agent; 10-100 parts a polyurea prepolymer; 20-120 parts of a mixed solution of an amino-terminated polyether and a sterically hindered amine chain extender. The preparation method for the coating comprises the steps of at room temperature, adding a mixed solution of microcapsules of a lignosulfonate-embedded healing agent, an amino-terminated polyether and a sterically hindered amine chain extender into a polyurea prepolymer and reacting same at room temperature for 10 min-4 h. The self-healing polyurea coating may be applied to the field of material surface protection, i.e., corrosion resistance of steel structures, especially marine steel structures.Type: GrantFiled: October 16, 2018Date of Patent: February 20, 2024Assignee: South China University of TechnologyInventors: Yong Qian, Xueqing Qiu, Dongjie Yang, Hongming Lou, Weifeng Liu, Xinping Ouyang, Conghua Yi
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Patent number: 11691121Abstract: The present invention discloses a lignin-based hierarchical porous carbon with high specific surface area and preparation method and application thereof. The present invention employs maleic anhydride, acrylic acid, and hypophosphorous acid to modify a lignin, then performs a cross-linking reaction with a glutaraldehyde-triethanolamine condensate to prepare a lignin graft-copolymerized by phosphino carboxylic acid copolymer, and then dropwise adding a soluble calcium salt solution and a soluble carbonate solution into the lignin graft-copolymerized by phosphino carboxylic acid copolymer dispersion successively, co-precipitates to prepare a lignin/nano CaCO3 complex, finally obtains a lignin-based hierarchical porous carbon with high specific surface area through carbonizing at a high temperature.Type: GrantFiled: October 21, 2022Date of Patent: July 4, 2023Assignees: SOUTH CHINA UNIVERSITY OF TECHNOLOGY, GUANGDONG UNIVERSITY OF TECHNOLOGYInventors: Xueqing Qiu, Dongjie Yang, Hongming Lou, Yanlin Qin, Yong Qian, Jinhao Huang, Zhixian Li, Yuxia Pang
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Publication number: 20230127268Abstract: The present invention discloses a lignin-based hierarchical porous carbon with high specific surface area and preparation method and application thereof. The present invention employs maleic anhydride, acrylic acid, and hypophosphorous acid to modify a lignin, then performs a cross-linking reaction with a glutaraldehyde-triethanolamine condensate to prepare a lignin graft-copolymerized by phosphino carboxylic acid copolymer, and then dropwise adding a soluble calcium salt solution and a soluble carbonate solution into the lignin graft-copolymerized by phosphino carboxylic acid copolymer dispersion successively, co-precipitates to prepare a lignin/nano CaCO3 complex, finally obtains a lignin-based hierarchical porous carbon with high specific surface area through carbonizing at a high temperature.Type: ApplicationFiled: October 21, 2022Publication date: April 27, 2023Inventors: Xueqing QIU, Dongjie YANG, Hongming LOU, Yanlin QIN, Yong QIAN, Jinhao HUANG, Zhixian LI, Yuxia PANG
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Patent number: 11332769Abstract: A method for promoting enzymolysis of lignocellulose by using a pH-responsive lignin amphoteric surfactant and recovery of a cellulase. The method includes: adding lignocellulose to a buffer solution, and then adding a pH-responsive lignin amphoteric surfactant and a cellulase; controlling the pH of the mixed solution to be 4.0-6.2, heating the solution to a temperature of 40° C. to 60° C. and reacting at said temperature for 24-96 h to obtain a saccharified hydrolyzate of lignocellulose; and obtaining an enzymolysed liquid by solid-liquid separation, and then adjusting the pH of the enzymolysed liquid to precipitate the pH-responsive lignin amphoteric surfactant and the cellulase for recycling. The method can effectively improve the enzymolysis efficiency of lignocellulose, recover a certain amount of cellulase, and expand the applications of industrial lignin. The method does not require additional equipment, and is simple to operate and environmentally friendly.Type: GrantFiled: November 27, 2017Date of Patent: May 17, 2022Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Hongming Lou, Xueqing Qiu, Yuxia Pang, Dongjie Yang, Yong Qian, Jinhao Huang, Conghua Yi, Weifeng Liu, Dafeng Zheng
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Patent number: 11059031Abstract: A three-dimensional lignin porous carbon/zinc oxide composite material and its preparation and application in the field of photocatalysis are disclosed. The method includes preparing a lignin/zinc oxide precursor composite by a hydrothermal method from a zinc salt, a weak alkali salt and an industrial lignin, and preparing a three-dimensional lignin porous carbon/zinc oxide composite material by high temperature calcination of the lignin/zinc oxide precursor composite. The composite material has a regular three-dimensional pore structure, with zinc oxide nanoparticles uniformly embedded among the three-dimensional lignin porous carbon nanosheets. Application of the composite material to the field of photocatalysis, especially as a photocatalyst for photocatalytic degradation of organic dye pollutants, can significantly improve the degradation efficiency and rate, and has potential application value in the field of photocatalytic degradation of organic pollutants.Type: GrantFiled: November 16, 2017Date of Patent: July 13, 2021Inventors: Dongjie Yang, Yong Qian, Xueqing Qiu, Hongming Lou, Weifeng Liu, Xinping Ouyang, Zhiqiang Fang, Yuxia Pang, Conghua Yi
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Publication number: 20200369912Abstract: A lignosulfonate dispersion self-healing polyurea coating and a preparation method therefor. The coating is obtained by reacting the following components in parts by mass: 1-10 parts of microcapsules of a lignosulfonate-embedded healing agent; 10-100 parts a polyurea prepolymer; 20-120 parts of a mixed solution of an amino-terminated polyether and a sterically hindered amine chain extender. The preparation method for the coating comprises the steps of at room temperature, adding a mixed solution of microcapsules of a lignosulfonate-embedded healing agent, an amino-terminated polyether and a sterically hindered amine chain extender into a polyurea prepolymer and reacting same at room temperature for 10 min-4 h. The self-healing polyurea coating may be applied to the field of material surface protection, i.e., corrosion resistance of steel structures, especially marine steel structures.Type: ApplicationFiled: October 16, 2018Publication date: November 26, 2020Inventors: Yong QIAN, Xueqing QIU, Lan LI, Dongjie YANG, Weifeng LIU, Xinping OUYANG, Hongming LOU, Conghua YI
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Patent number: 10729624Abstract: The present invention, belonging to the technical field of chemical sun-screening agent preparation, discloses a high-ultraviolet absorption lignin/chemical sun-screening agent microcapsule using lignin as a wall material and a preparation method therefor. The method of the present invention comprises the following steps: (1) dissolving 1-20 parts by weight of lignin in 100-200 parts by weight of an aqueous solution with a pH of 12, adjusting the pH of the solution to 7-10, and then removing insoluble substances by filtration to obtain a lignin solution; and (2) mixing 10-50 parts by weight of the lignin solution in step (1) with 1-10 parts by weight of a chemical sun-screening agent, and performing ultrasonic radiation under a power of 200-1500 W for 10 s to 25 min to obtain a lignin/chemical sun-screening agent microcapsule emulsion.Type: GrantFiled: November 21, 2017Date of Patent: August 4, 2020Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Xueqing Qiu, Yong Qian, Ying Li, Dongjie Yang, Hongming Lou, Shiping Zhu, Weifeng Liu
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Publication number: 20200208186Abstract: A method for promoting enzymolysis of lignocellulose by using a pH-responsive lignin amphoteric surfactant and recovery of a cellulase. The method includes: adding lignocellulose to a buffer solution, and then adding a pH-responsive lignin amphoteric surfactant and a cellulase; controlling the pH of the mixed solution to be 4.0-6.2, heating the solution to a temperature of 40° C. to 60° C. and reacting at said temperature for 24-96 h to obtain a saccharified hydrolyzate of lignocellulose; and obtaining an enzymolysed liquid by solid-liquid separation, and then adjusting the pH of the enzymolysed liquid to precipitate the pH-responsive lignin amphoteric surfactant and the cellulase for recycling. The method can effectively improve the enzymolysis efficiency of lignocellulose, recover a certain amount of cellulase, and expand the applications of industrial lignin. The method does not require additional equipment, and is simple to operate and environmentally friendly.Type: ApplicationFiled: November 27, 2017Publication date: July 2, 2020Inventors: Hongming LOU, Xueqing QIU, Yuxia PANG, Dongjie YANG, Yong QIAN, Jinhao HUANG, Conghua YI, Weifeng LIU, Dafeng ZHENG
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Publication number: 20190343736Abstract: The present invention, belonging to the technical field of chemical sun-screening agent preparation, discloses a high-ultraviolet absorption lignin/chemical sun-screening agent microcapsule using lignin as a wall material and a preparation method therefor. The method of the present invention comprises the following steps: (1) dissolving 1-20 parts by weight of lignin in 100-200 parts by weight of an aqueous solution with a pH of 12, adjusting the pH of the solution to 7-10, and then removing insoluble substances by filtration to obtain a lignin solution; and (2) mixing 10-50 parts by weight of the lignin solution in step (1) with 1-10 parts by weight of a chemical sun-screening agent, and performing ultrasonic radiation under a power of 200-1500 W for 10 s to 25 min to obtain a lignin/chemical sun-screening agent microcapsule emulsion.Type: ApplicationFiled: November 21, 2017Publication date: November 14, 2019Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Xueqing QIU, Yong QIAN, Ying LI, Dongjie YANG, Hongming LOU, Shiping ZHU, Weifeng LIU
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Publication number: 20190291081Abstract: A three-dimensional lignin porous carbon/zinc oxide composite material and its preparation and application in the field of photocatalysis are disclosed. The method includes preparing a lignin/zinc oxide precursor composite by a hydrothermal method from a zinc salt, a weak alkali salt and an industrial lignin, and preparing a three-dimensional lignin porous carbon/zinc oxide composite material by high temperature calcination of the lignin/zinc oxide precursor composite. The composite material has a regular three-dimensional pore structure, with zinc oxide nanoparticles uniformly embedded among the three-dimensional lignin porous carbon nanosheets. Application of the composite material to the field of photocatalysis, especially as a photocatalyst for photocatalytic degradation of organic dye pollutants, can significantly improve the degradation efficiency and rate, and has potential application value in the field of photocatalytic degradation of organic pollutants.Type: ApplicationFiled: November 16, 2017Publication date: September 26, 2019Inventors: Dongjie Yang, Huan Wang, Xueqing Qiu, Hongming Lou, Weifeng Liu, Yong Qian, Xinping Ouyang, Sisi Wen
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Patent number: 9695318Abstract: The preparation method includes: adding an activating agent into a basic alkaline lignin solution first, then adding a carboxylating agent and reacting to obtain a carboxylated alkaline lignin; dissolving a phosphorylating agent into water, adding epichlorohydrin, and reacting to obtain a hydroxyl phosphate type compound; mixing the carboxylated alkaline lignin and the hydroxyl phosphate type compound and reacting to obtain a lignin type polymer; adding an inorganic nanoparticle suspension into the lignin type polymer and adding an acid for codeposition to obtain the product after aging and drying.Type: GrantFiled: November 28, 2014Date of Patent: July 4, 2017Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Xueqing Qiu, Dongjie Yang, Wenyuan Guo, Mingsong Zhou, Jinhao Huang, Conghua Yi, Yuan Li