Patents by Inventor Jinxiu WEN
Jinxiu WEN 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: 11634332Abstract: The present invention discloses a selenium-doped MXene composite nano-material and a preparation method thereof, comprising the following steps: (1) adding MXene and an organic selenium source into a dispersant, and stirring to prepare a dispersion with a concentration of 1 mg/ml to 100 mg/ml; (2) transferring the dispersion into a reaction kettle, then heating, reacting, and then naturally cooling to a room temperature; (3) washing the product obtained in the step (2) with a cleaning agent, then centrifuging to collect a precipitate, and drying the precipitate under vacuum; and (4) placing the sample obtained in the step (3) into a tubular furnace for calcination, introducing protective gas, heating, and then cooling to a room temperature to obtain the selenium-doped MXene composite nano-material. The material prepared by the present invention has high specific surface area, good electrical conductivity, cycle stability performance, rate performance and high theoretical specific capacity.Type: GrantFiled: August 1, 2019Date of Patent: April 25, 2023Assignee: WUYI UNIVERSITYInventors: Yelong Zhang, Xiaodan Xu, Hongyang Sun, Chengwei Liu, Chi Zhang, Da Wang, Weidong Song, Jinxiu Wen, Yue Guo, Zheng Liu, Mei Chen, Qingguang Zeng, Zhangquan Peng
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Patent number: 11313743Abstract: A new tactile sensor having a sensing layer, and the sensing layer includes a flexible substrate, at least one stress sensing unit, and at least one temperature sensing unit. The stress sensing unit includes a flexible conductive fiber, a top electrode, and a bottom electrode, the flexible conductive fiber is laid flat on the flexible substrate, the top electrode is bendable, and when there is a potential difference between the top electrode and the bottom electrode, a current flows along a radial direction of the flexible conductive fiber; and the temperature sensing unit includes a thermal conductive fiber and two end electrodes, the thermal conductive fiber is laid flat on the flexible substrate, and when there is a potential difference between the two end electrodes, a current flows along an axial direction of the thermal conductive fiber.Type: GrantFiled: February 13, 2019Date of Patent: April 26, 2022Assignee: Wuyi UniversityInventors: Jianyi Luo, Jingcheng Huang, Guoning Chen, Songhui Li, Xiaoyan Hu, Baowen Liang, Jinxiu Wen
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Patent number: 11313734Abstract: Provided is a flexible temperature sensor including a flexible temperature-sensing fabric, wherein the flexible temperature-sensing fabric includes a fabric base and at least one flexible temperature-sensing conductive fiber, the fabric base is a flat fabric woven from a plurality of insulating fibers, and the temperature-sensing conductive fiber is fixed in the fabric base by weaving. The flexible temperature sensor has the advantages of being easy to fabricate, low in cost, washable, wide in temperature monitoring range, high in sensitivity, good in stability and repeatability, and compatible with existing textile technologies.Type: GrantFiled: February 13, 2019Date of Patent: April 26, 2022Assignee: Wuyi UniversityInventors: Jinxiu Wen, Jianyi Luo, Baowen Liang, Xiaoyan Hu, Jingcheng Huang, Zhundong Li
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Publication number: 20210215553Abstract: The present disclosure relates to a new tactile sensor, where the tactile sensor includes a sensing layer, and the sensing layer includes a flexible substrate, at least one stress sensing unit, and at least one temperature sensing unit. The stress sensing unit includes a flexible conductive fiber, a top electrode, and a bottom electrode, the flexible conductive fiber is laid flat on the flexible substrate, the top electrode is bendable, and when there is a potential difference between the top electrode and the bottom electrode, a current flows along a radial direction of the flexible conductive fiber; and the temperature sensing unit includes a thermal conductive fiber and two end electrodes, the thermal conductive fiber is laid flat on the flexible substrate, and when there is a potential difference between the two end electrodes, a current flows along an axial direction of the thermal conductive fiber.Type: ApplicationFiled: February 13, 2019Publication date: July 15, 2021Inventors: Jianyi LUO, Jingcheng HUANG, Guoning CHEN, Songhui LI, Xiaoyan HU, Baowen LIANG, Jinxiu WEN
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Patent number: 11005100Abstract: The present invention discloses a selenium-doped MXene material and a preparation method thereof, comprising the following steps: (1) adding MXene and an organic selenium source into a dispersant, and stirring to prepare a dispersion with a concentration of 10 mg/ml to 100 mg/ml, wherein a mass ratio of MXene and an organic selenium source is 0.1 to 1:1; (2) transferring the dispersion into a reaction kettle, heating to 110° C. to 230° C., reacting for 10 h to 30 h, and then naturally cooling to a room temperature; and (3) washing the product obtained in the step (2) with a cleaning agent, centrifuging to collect a precipitate, and drying the precipitate under vacuum to obtain the selenium-doped MXene material. The composite material prepared by the present invention has high specific surface area, good electrical conductivity, cycle stability performance, rate performance and high theoretical specific capacity.Type: GrantFiled: August 2, 2019Date of Patent: May 11, 2021Assignee: WUYI UNIVERSITYInventors: Yelong Zhang, Xiaodan Xu, Hongyang Sun, Hao Chen, Da Wang, Chi Zhang, Weidong Song, Yue Guo, Zheng Liu, Mei Chen, Jinxiu Wen, Qingguang Zeng, Zhangquan Peng
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Publication number: 20210131877Abstract: Provided is a flexible temperature sensor including a flexible temperature-sensing fabric, wherein the flexible temperature-sensing fabric includes a fabric base and at least one flexible temperature-sensing conductive fiber, the fabric base is a flat fabric woven from a plurality of insulating fibers, and the temperature-sensing conductive fiber is fixed in the fabric base by weaving. The flexible temperature sensor has the advantages of being easy to fabricate, low in cost, washable, wide in temperature monitoring range, high in sensitivity, good in stability and repeatability, and compatible with existing textile technologies.Type: ApplicationFiled: February 13, 2019Publication date: May 6, 2021Inventors: Jinxiu WEN, Jianyi LUO, Baowen LIANG, Xiaoyan HU, Jingcheng HUANG, Zhundong LI
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Patent number: 10847798Abstract: The present invention discloses a tellurium-doped MXene composite material and a preparation method thereof, comprising the following steps: (1) adding MXene and a tellurium source into a dispersant to prepare a dispersion, and then stirring the dispersion; (2) heating the dispersion, reacting, and then cooling; (3) centrifuging the product obtained in the step (2), then washing and drying under vacuum; and (4) placing the dry product obtained in the step (3) into a corundum ark, and then transferring into a tubular furnace, heating under the protection of inert gas, retaining the temperature, and then cooling to obtain the tellurium-doped MXene composite material. The composite material prepared by the present invention can be used as a cathode of a potassium ion battery, which increases the interlamellar spacing, and optimizes an ion diffusion channel, so that the electrochemical performance of the potassium ion battery is improved.Type: GrantFiled: July 31, 2019Date of Patent: November 24, 2020Assignee: WUYI UNIVERSITYInventors: Yelong Zhang, Hongyang Sun, Xiaodan Xu, Yuxuan Fan, Da Wang, Chi Zhang, Weidong Song, Mei Chen, Jinxiu Wen, Yue Guo, Qingguang Zeng, Zhangquan Peng
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Publication number: 20200227745Abstract: The present invention discloses a tellurium-doped MXene composite material and a preparation method thereof, comprising the following steps: (1) adding MXene and a tellurium source into a dispersant to prepare a dispersion, and then stirring the dispersion; (2) heating the dispersion, reacting, and then cooling; (3) centrifuging the product obtained in the step (2), then washing and drying under vacuum; and (4) placing the dry product obtained in the step (3) into a corundum ark, and then transferring into a tubular furnace, heating under the protection of inert gas, retaining the temperature, and then cooling to obtain the tellurium-doped MXene composite material. The composite material prepared by the present invention can be used as a cathode of a potassium ion battery, which increases the interlamellar spacing, and optimizes an ion diffusion channel, so that the electrochemical performance of the potassium ion battery is improved.Type: ApplicationFiled: July 31, 2019Publication date: July 16, 2020Inventors: Yelong ZHANG, Hongyang SUN, Xiaodan XU, Yuxuan FAN, Da WANG, Chi ZHANG, Weidong SONG, Mei CHEN, Jinxiu WEN, Yue GUO, Qingguang ZENG, Zhangquan PENG
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Publication number: 20200227744Abstract: The present invention discloses a selenium-doped MXene material and a preparation method thereof, comprising the following steps: (1) adding MXene and an organic selenium source into a dispersant, and stirring to prepare a dispersion with a concentration of 10 mg/ml to 100 mg/ml, wherein a mass ratio of MXene and an organic selenium source is 0.1 to 1:1; (2) transferring the dispersion into a reaction kettle, heating to 110° C. to 230° C., reacting for 10 h to 30 h, and then naturally cooling to a room temperature; and (3) washing the product obtained in the step (2) with a cleaning agent, centrifuging to collect a precipitate, and drying the precipitate under vacuum to obtain the selenium-doped MXene material. The composite material prepared by the present invention has high specific surface area, good electrical conductivity, cycle stability performance, rate performance and high theoretical specific capacity.Type: ApplicationFiled: August 2, 2019Publication date: July 16, 2020Inventors: Yelong ZHANG, Xiaodan XU, Hongyang SUN, Hao CHEN, Da WANG, Chi ZHANG, Weidong SONG, Yue GUO, Zheng LIU, Mei CHEN, Jinxiu WEN, Qingguang ZENG, Zhangquan PENG
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Publication number: 20200223702Abstract: The present invention discloses a selenium-doped MXene composite nano-material and a preparation method thereof, comprising the following steps: (1) adding MXene and an organic selenium source into a dispersant, and stirring to prepare a dispersion with a concentration of 1 mg/ml to 100 mg/ml; (2) transferring the dispersion into a reaction kettle, then heating, reacting, and then naturally cooling to a room temperature; (3) washing the product obtained in the step (2) with a cleaning agent, then centrifuging to collect a precipitate, and drying the precipitate under vacuum; and (4) placing the sample obtained in the step (3) into a tubular furnace for calcination, introducing protective gas, heating, and then cooling to a room temperature to obtain the selenium-doped MXene composite nano-material. The material prepared by the present invention has high specific surface area, good electrical conductivity, cycle stability performance, rate performance and high theoretical specific capacity.Type: ApplicationFiled: August 1, 2019Publication date: July 16, 2020Inventors: Yelong ZHANG, Xiaodan XU, Hongyang SUN, Chengwei LIU, Chi ZHANG, Da WANG, Weidong SONG, Jinxiu WEN, Yue GUO, Zheng LIU, Mei CHEN, Qingguang ZENG, Zhangquan PENG