[LI, Zhou 李舟, ZHENG, Qiang 郑强, SHI, Bojing 石波璟, LIU, Zhuo 刘卓, JIN, Yiming 金一鸣, ZOU, Yang 邹洋, OUYANG, Han 欧阳涵, ZHAO, Luming 赵璐明] Tower C, Techart Plaza, No.30 Xueyuan Road, Hai Dian District 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Beijing 100083 An implantable flexible pulse generator, comprising: an energy conversion unit (1), a power management unit (2), an energy storage unit (3), and an integrated circuit unit (4), these units being flexible structures, wherein the energy conversion unit (1) is used for converting an biomechanical energy of an implanted part into an electric energy; the power management unit (2) is used for converting the electric energy generated by the energy conversion unit (1) into stable electric energy applicable to be stored in the energy storage unit (3), receiving and processing a feedback signal from the integrated circuit unit (4) and monitoring the electric quantity of the energy storage unit (3), and controlling charging and discharging of the energy storage unit (3) according to the monitored condition; and the integrated circuit unit (4) is connected to the power management unit (2) for stimulating generation and amplification of pulse, and collecting, analyzing and feeding back related signals from an implant. The implantable flexible pulse generator can not only reduce the overall size, weight and cost of a device, and can also satisfy long-term power demands of the device by using the electric energy converted from the internal biomechanical energy.

[XU, Liang 许亮] Tower C, Techart Plaza, No. 30 Xueyuan Road, 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Hai Dian DistrictBeijing 100083 A high-voltage friction nano-generator, a high-voltage power source, a self-driven suction cup and a power generation method. By means of adding a charge compensation structure at the output end of a friction nano-generator, the friction nano-generator can be provided with charge compensation, so that the charge distribution of an electrode in the friction nano-generator is maintained in an optimal state, thereby ensuring that the friction nano-generator continuously and steadily outputs high voltage, which is greatly improved compared with the output voltage of a friction nano-generator in the prior art. Moreover, based on the high-voltage friction nano-generator provided in the embodiments of the present invention, a high-voltage power source can be realized, thereby continuously and steadily outputting and supplying high-voltage signals. Compared with the other existing high-voltage power sources, the high-voltage power source provided in the embodiments of the present invention can realize, based on the advantages of a friction nano-generator, self-driving, lightweight, rich material selection, a simplified structure and a flexible form, thereby greatly extending the field of application. A high-voltage friction nano-generator, a high-voltage power source, a self-driven suction cup and a power generation method. By means of adding a charge compensation structure at the output end of a friction nano-generator, the friction nano-generator can be provided with charge compensation, so that the charge distribution of an electrode in the friction nano-generator is maintained in an optimal state, thereby ensuring that the friction nano-generator continuously and steadily outputs high voltage, which is greatly improved compared with the output voltage of a friction nano-generator in the prior art. Moreover, based on the high-voltage friction nano-generator provided in the embodiments of the present invention, a high-voltage power source can be realized, thereby continuously and steadily outputting and supplying high-voltage signals. Compared with the other existing high-voltage power sources, the high-voltage power source provided in the embodiments of the present invention can realize, based on the advantages of a friction nano-generator, self-driving, lightweight, rich material selection, a simplified structure and a flexible form, thereby greatly extending the field of application.

[WANG, Zhonglin 王中林, HU, Chenguo 胡陈果, PU, Xianjie 蒲贤洁, GUO, Hengyu 郭恒宇] Tower C, Techart Plaza, No.30 Xueyuan Road, Hai Dian District 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Beijing 100083 A muscle micro-motion detection element, a switch device, a human-computer interaction system, and a front-end device, relating to the field of human-computer interaction. The muscle micro-motion detection element comprises a friction nanometer generator which is attached to a to-be-detected position and is used for converting mechanical energy of muscle micro-motion into electric signals. The friction nanometer generator comprises electricity generating components (101, 206, 301) and second electricity generating components (102, 202, 302) which are oppositely provided, one of which is configured to be attached to a living body that controls muscle micro-motion. The first electricity generating components (101, 206, 301) and the second electricity generating components (102, 202, 302) can be shifted relative to each other under the action of muscle micro-action to generate the electric signals. Friction layers (101, 206, 301, 102, 202, 302) with opposite electrical properties during friction are provided, and the micro displacement of the muscle micro-motion is used as a detection signal source, so that the sensitivity of the muscle micro-motion detection is improved. A muscle micro-motion detection element, a switch device, a human-computer interaction system, and a front-end device, relating to the field of human-computer interaction. The muscle micro-motion detection element comprises a friction nanometer generator which is attached to a to-be-detected position and is used for converting mechanical energy of muscle micro-motion into electric signals. The friction nanometer generator comprises electricity generating components (101, 206, 301) and second electricity generating components (102, 202, 302) which are oppositely provided, one of which is configured to be attached to a living body that controls muscle micro-motion. The first electricity generating components (101, 206, 301) and the second electricity generating components (102, 202, 302) can be shifted relative to each other under the action of muscle micro-action to generate the electric signals. Friction layers (101, 206, 301, 102, 202, 302) with opposite electrical properties during friction are provided, and the micro displacement of the muscle micro-motion is used as a detection signal source, so that the sensitivity of the muscle micro-motion detection is improved.

[WANG, Jie 王杰, YIN, Xing 尹星, LIU, Di 刘迪, ZHOU, Linglin 周灵琳, GUO, Hengyu 郭恒宇, WANG, Zhonglin 王中林] Tower C, Techart Plaza, No.30 Xueyuan Road, Hai Dian District 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Beijing 100083 A friction nanogenerator, and a self-driven vector sensor and a self-driven direction sensor, and a system thereof. The friction nanogenerator comprises: a first friction unit (100) comprising a first friction layer (101); and a second friction unit (200) comprising a second support layer (201), a second friction layer (202) provided on one surface where the second support layer is in contact friction with the first friction layer, and a charge collection layer (203) provided on at least one side surface of the second support layer adjacent to the second friction layer, and having an air gap with the first friction layer and a distance from the second friction layer, wherein the charge collection layer and the second friction layer respectively serve as electrical output ends of the friction nanogenerator. The generator implements direct conversion from mechanical energy to direct current electrical energy, without the use of an additional power management circuit, so that circuit design is simplified. The sensors can be used for monitoring information such as the speed, acceleration, displacement, angle, frequency, and rotational speed of a moving object, and can perform real-time tracking and imaging on a motion trajectory. A friction nanogenerator, and a self-driven vector sensor and a self-driven direction sensor, and a system thereof. The friction nanogenerator comprises: a first friction unit (100) comprising a first friction layer (101); and a second friction unit (200) comprising a second support layer (201), a second friction layer (202) provided on one surface where the second support layer is in contact friction with the first friction layer, and a charge collection layer (203) provided on at least one side surface of the second support layer adjacent to the second f

[ZHANG, Chi 张弛, ZHANG, Chi 张弛, TANG, Wei 唐伟, ZHANG, Chi 张弛, TANG, Wei 唐伟, ZHANG, Limin 张丽敏, ZHANG, Chi 张弛, TANG, Wei 唐伟, ZHANG, Limin 张丽敏, WANG, Zhonglin 王中林] Tower C, Techart Plaza, No.30 Xueyuan Road, Haidian District 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Beijing 100083 A back gate field-effect transistor based on friction and contact electrification effects. The back gate field-effect transistor comprises: a conductive substrate (10); an insulation layer (20) formed on the front face of the conductive substrate (10); a field-effect transistor assembly (30) comprising: a channel layer (31), a drain electrode (32), a source electrode (33) and a gate electrode (34); and a friction electricity generation assembly (40) comprising: a static friction layer (41) formed on a lower surface of the gate electrode (34), a movable friction layer (42) arranged opposite the static friction layer (41), and a second conductive layer (44) formed on the outside of the movable friction layer (42) and electrically connected to the source electrode (33), wherein the static friction layer (41) and the movable friction layer (42) are located at different locations of a friction electrode order, and under the action of an external force, the the static friction layer (41) and the movable friction layer (42) can switch back and forth between a separation state and a contact state. Using electrostatic potential generated by a frictional electricity generator as a gate electrode gate signal of the back gate field-effect transistor realizes the adjustment and control of carrier transport property in a semiconductor.

[WANG, Zhonglin 王中林, CHENG, Gang 程纲] Tower C, Techart Plaza, No.30 Xueyuan Road, Hai Dian District 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Beijing 100083 An energy management circuit and an energy management method for a triboelectric nanogenerator. The energy management circuit comprises: a pulse current control switch, an intermediate energy storage element, and a target energy storage element. The pulse current control switch is used for instantaneously turning on, after induced electrostatic charge is generated between two electrode layers of a triboelectric nanogenerator due to the movement of two relative motion parts of the triboelectric nanogenerator, the two electrode layers to generate instantaneous pulse current. The intermediate energy storage element is used for storing electric energy of the instantaneous pulse current. The target energy storage element is used for storing electric energy of the intermediate energy storage element. The configuration of the pulse current control switch overcomes the shortcoming of low output current of the triboelectric nanogenerator, so that large instantaneous pulse current can be output, and instantaneous output power is enhanced. Efficient energy storage of a triboelectric nanogenerator (TENG) is implemented by introducing an element having an inductive reactance characteristic as an intermediary for energy conversion and storage processes. An energy management circuit and an energy management method for a triboelectric nanogenerator. The energy management circuit comprises: a pulse current control switch, an intermediate energy storage element, and a target energy storage element. The pulse current control switch is used for instantaneously turning on, after induced electrostatic charge is generated between two electrode layers of a triboelectric nanogenerator due to the movement of two relative motion parts of the triboelectric nanogenerator, the two electrode layers to generate instantaneous pulse current. The intermediate energy storage element is used for storing electric energy of the instantaneous pulse current. The target energy storage element is used for storing electric energy of the intermediate energy storage element. The configuration of the pulse current control switch overcomes the shortcoming of low output current of the triboelectric nanogenerator, so that large instantaneous pulse current can be output, and instantaneous output power is enhanced. Efficient energy storage of a triboelectric nanogenerator (TENG) is implemented by introducing an element having an inductive reactance characteristic as an intermediary for energy conversion and storage processes.

[WANG, Jie 王杰, WANG, Zhonglin 王中林, WU, Changsheng 吴昌盛, DAI, Yejin 戴叶瑾, WANG, Qi 王琪] Tower C, Techart Plaza 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083No. 30 Xueyuan Road, Hai Dian DistrictBeijing 100083 A triboelectric nanogenerator, comprising a first power generation component and a second power generation component used for generating electric energy by rubbing or contacting with and separating from each other. There is a vacuum space between the surfaces of the first power generation component and the second power generation component rubbing or contacting with and separating from each other. The triboelectric nanogenerator can effectively avoid air breakdown during a triboelectrification process, thereby achieving a high power density. A triboelectric nanogenerator, comprising a first power generation component and a second power generation component used for generating electric energy by rubbing or contacting with and separating from each other. There is a vacuum space between the surfaces of the first power generation component and the second power generation component rubbing or contacting with and separating from each other. The triboelectric nanogenerator can effectively avoid air breakdown during a triboelectrification process, thereby achieving a high power density.

[WANG, Zhonglin 王中林, WANG, Zhonglin 王中林, LI, Zhou 李舟, WANG, Zhonglin 王中林, LI, Zhou 李舟, ZHENG, Qiang 郑强, WANG, Zhonglin 王中林, LI, Zhou 李舟, ZHENG, Qiang 郑强, ZHAI, Junyi 翟俊宜, WANG, Zhonglin 王中林, LI, Zhou 李舟, ZHENG, Qiang 郑强, ZHAI, Junyi 翟俊宜, PENG, Mingceng 彭铭曾, WANG, Zhonglin 王中林, LI, Zhou 李舟, ZHENG, Qiang 郑强, ZHAI, Junyi 翟俊宜, PENG, Mingceng 彭铭曾, ZHANG, Yalan 张亚岚] Tower C, Techart Plaza, No.30 Xueyuan Road, HaiDian District 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Beijing 100083 Provided are a device and method for measuring mechanical properties of a cell, the device comprising: a substrate layer (2); and a nanowire layer (1) arranged on the substrate layer (2) and comprising a nanowire array, wherein nanowires (11) in the array can emit an optical signal, and after a cell to be tested (3) is placed on the nanowire layer (1), a change in the optical signal emitted by the nanowires (11) supporting the cell to be tested (3) represents mechanical properties of the corresponding cell. Mechanical properties of a cell can be measured in real time according to a change in the optical signal emitted by the nanowires. Provided are a device and method for measuring mechanical properties of a cell, the device comprising: a substrate layer (2); and a nanowire layer (1) arranged on the substrate layer (2) and comprising a nanowire array, wherein nanowires (11) in the array can emit an optical signal, and after a cell to be tested (3) is placed on the nanowire layer (1), a change in the optical signal emitted by the nanowires (11) supporting the cell to be tested (3) represents mechanical properties of the corresponding cell. Mechanical properties of a cell can be measured in real time according to a change in the optical signal emitted by the nanowires.

[ZHANG, Chi 张弛, LIU, Guoxu 刘国旭, PANG, Yaokun 逄尧堃, LI, Wei 李伟, XI, Fengben 席丰本] Tower C, Techart Plaza, No.30 Xueyuan Road, Hai Dian District 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083Beijing 100083 Provided is a power management module for a triboelectric nanogenerator, used for processing electric energy generated by a triboelectric nanogenerator. The power management module comprises: a rectification and voltage reduction module for carrying out rectification and voltage reduction processing on the electric energy generated by the triboelectric nanogenerator, and outputting a direct-current signal; a storage module electrically connected to a rear end of the rectification and voltage reduction module, and used for storing electric energy of the direct-current signal; and a voltage stabilization module electrically connected to a rear end of the storage module, and used for outputting a direct-current signal with a stable voltage for a load at the rear end to use. Further provided is a self-driving intelligent buoy system, comprising: the triboelectric nanogenerator for collecting ocean wave energy to generate the electric energy; the power management module; and the load, wherein the electric energy processed by the power management module is supplied to the load. Provided is a power management module for a triboelectric nanogenerator, used for processing electric energy generated by a triboelectric nanogenerator. The power management module comprises: a rectification and voltage reduction module for carrying out rectification and voltage reduction processing on the electric energy generated by the triboelectric nanogenerator, and outputting a direct-current signal; a storage module electrically connected to a rear end of the rectification and voltage reduction module, and used for storing electric energy of the direct-current signal; and a voltage stabilization module electrically connected to a rear end of the storage module, and used for outputting a direct-current signal with a stable voltage for a load at the rear end to use. Further provided is a self-driving intelligent buoy system, comprising: the triboelectric nanogenerator for collecting ocean wave energy to generate the electric energy; the power management module; and the load, wherein the electric energy processed by the power management module is supplied to the load.

[NIU, Simiao 牛思淼, WANG, Xiaofeng 王晓峰, WANG, Zhonglin 王中林] Tower C, Techart Plaza 中国北京市海淀区学院路30号天工大厦C座, Beijing 100083No.30 Xueyuan RoadHai Dian DistrictBeijing 100083 An energy management method and a management circuit for a friction nano power generator, and a device comprising the management circuit. The energy management method comprises: temporarily storing electric energy output by a friction nano power generator in a temporary energy storage device (S201); and transferring the electric energy temporarily stored in the temporary energy storage device to an energy storage device (S202). By means of the technical solution, by periodically charging and discharging a temporary energy storage device, the charging of an energy storage device is realized, impedance matching of a friction nano power generator and the energy storage device is realized, and the energy storage efficiency is greatly increased, thereby being able to efficiently convert alternating current energy generated by the friction nano power generator into constant-voltage direct current for output. An energy management method and a management circuit for a friction nano power generator, and a device comprising the management circuit. The energy management method comprises: temporarily storing electric energy output by a friction nano power generator in a temporary energy storage device (S201); and transferring the electric energy temporarily stored in the temporary energy storage device to an energy storage device (S202). By means of the technical solution, by periodically charging and discharging a temporary energy storage device, the charging of an energy storage device is realized, impedance matching of a friction nano power generator and the energy storage device is realized, and the energy storage efficiency is greatly increased, thereby being able to efficiently convert alternating current energy generated by the friction nano power generator into constant-voltage direct current for output.