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Wearable energy harvesting-storage hybrid textiles as on-body self-charging power systems

Nano Research Energy 2023年第4期2卷 4-13页

作者： Feifan Sheng Bo Zhang Renwei Cheng Chuanhui Wei Shen Shen Chuan Ning Jun Yang Yunbing Wang Zhong Lin Wang Kai Dong CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and Sensor Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400China Hefei Normal University Hefei 230601China School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049China National Engineering Research Center for Biomaterials Sichuan UniversityChengdu 610064China School of Material Science and Engineering Georgia Institute of TechnologyAtlantaGA 30332USA

The rapid development of wearable electronics requires its energy supply part to be flexible,wearable,integratable and sustainable.However,some of the energy supply units cannot meet these requirements at the same time,and there is also a capacity limitation of the energy storage units,and the development of sustainable wearable self-charging power supplies is crucial.Here,we report a wearable sustainable energy harvesting-storage hybrid self-charging power textile.The power textile consists of a coaxial fiber-shaped polylactic acid/reduced graphene oxide/polypyrrole(PLA-rGO-PPy)triboelectric nanogenerator(fiber-TENG)that can harvest low-frequency and irregular energy during human motion as a power generation unit,and a novel coaxial fiber-shaped supercapacitor(fiber-SC)prepared by functionalized loading of a wet-spinning graphene oxide fiber as an energy storage unit.The fiber-TENG is flexible,knittable,wearable and adaptable for integration with various portable electronics.The coaxial fiber-SC has high volumetric energy density and good cycling stability.The fiber-TENG and fiber-SC are flexible yarn structures for wearable continuous human movement energy harvesting and storage as on-body self-charging power systems,with light-weight,ease of preparation,great portability and wide applicability.The integrated power textile can provide an efficient route for sustainable working of wearable electronics.

关键词： power textiles coaxial supercapacitors triboelectric nanogenerators self-charging sustainable working

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A water-evaporation-induced self-charging hybrid power unit for application in the Internet of Things

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科学通报：英文版 2019年第19期64卷 1409-1417页

作者： Haoxuan He Tianming Zhao Hongye Guan Tianyan Zhong Hui Zeng Lili Xing Yan Zhang Xinyu Xue School of Physics University of Electronic Science and Technology of ChinaChengdu610054China College of Sciences Northeastern UniversityShenyang110819China

A self-charging hybrid power unit has been developed by integrating a water-evaporation-induced nano- generator with a flexible nano-patterned supercapacitor. The nanogenerator can harvest environmental thermal energy and mechanical energy through the water evaporation process, and the supercapacitor can be charged simultaneously. The former offers stable electrical power as output, whereas the Ppy- based supercapacitor shows a capacitance of 12.497 m F/cm^2 with 96.42% retention after 4,000 cycles. After filling the power unit with water as the fuel, it can be fully charged in about 20 min. The power unit can be flexibly integrated with electronic devices such as sensor nodes and wireless transmitters employ- ing the Internet of Things. This new approach can offer new possibilities in continuous future operation of randomly distributed electronic devices incorporated in the Internet of Things.

关键词： self-charging Hybrid power unit Water evaporation Nanogenerator Supercapacitor Internet of Things

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Nanogenerator-Based self-charging Energy Storage Devices

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Nano-Micro Letters 2019年第2期11卷 5-23页

作者： Kun Zhao Yuanhao Wang Lu Han Yongfei Wang Xudong Luo Zhiqiang Zhang Ya Yang CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 100083People’s Republic of China State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals School of Materials Science and EngineeringLanzhou University of TechnologyLanzhou 730050People’s Republic of China Xinjiang Technical Institute of Physics and Chemistry Chinese Academy of Sciencesürümqi 830011XinjiangPeople’s Republic of China School of High Temperature Materials and Magnesite Resources Engineering University of Science and Technology Liaoning185 Qianshan Zhong RoadAnshan 114044People’s Republic of China School of Chemical Engineering University of Science and Technology Liaoning185 Qianshan Zhong RoadAnshan 114044People’s Republic of China School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049People’s Republic of China

One significant challenge for electronic devices is that the energy storage devices are unable to provide su cient energy for continuous and long-time operation,leading to frequent recharging or inconvenient battery replacement.To satisfy the needs of next-generation electronic devices for sustainable working,conspicuous progress has been achieved regarding the development for nanogenerator-based self-charging energy storage devices.Herein,the development of the self-charging energy storage devices is summarized.Focus will be on preparation of nanomaterials for Li-ion batteries and supercapacitors,structural design of the nanogenerator-based self-charging energy storage devices,performance testing,and potential applications.Moreover,the challenges and perspectives regarding self-charging energy storage devices are also discussed.

关键词： Nanomaterial Nanogenerator Energy storage device self-charging

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A survey of hybrid energy devices based on supercapacitors

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Green Energy & Environment 2023年第4期8卷 972-988页

作者： Dan Gao Zhiling Luo Changhong Liu Shoushan Fan Tsinghua-Foxconn Nanotechnology Research Center and Department of Physics Tsinghua University1Qinghua GardenBeijing100084China Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials College of Physics and EnergyFujian Normal UniversityFuzhou350117China

Developing multifunctional energy storage systems with high specific energy, high specific power and long cycling life has been the one of the most important research directions. Compared to batteries and traditional capacitors, supercapacitors possess more balanced performance with both high specific power and long cycle-life. Nevertheless, regular supercapacitors can only achieve energy storage without harvesting energy and the energy density is still not very high compared to batteries. Therefore, combining high specific energy and high specific power,long cycle-life and even fast self-charging into one cell has been a promising direction for future energy storage devices. The multifunctional hybrid supercapacitors like asymmetric supercapacitors, batteries/supercapacitors hybrid devices and self-charging hybrid supercapacitors have been widely studied recently. Carbon based electrodes are common materials used in all kinds of energy storage devices due to their fabulous electrical and mechanical properties. In this survey, the research progress of all kinds of hybrid supercapacitors using multiple effects and their working mechanisms are briefly reviewed. And their advantages and disadvantages are discussed. The hybrid supercapacitors have great application potential for portable electronics, wearable devices and implantable devices in the future.

关键词： Hybrid supercapacitors Pseudocapacitors Electric double layer capacitor self-charging Carbon materials

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Review:Multiple Functionalities of Aqueous Zinc-Ion Batteries

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Journal of Harbin Institute of Technology(New Series) 2022年第6期29卷 101-110页

作者： Sheng Zhu Jiangfeng Ni Institute of Molecular Science Shanxi UniversityTaiyuan 030006China School of Physical Science and Technology Soochow UniversitySuzhou 215006JiangsuChina

Aqueous zinc-ion batteries are a kind of attractive power supply devices due to their high energy, environmental benignity, and intrinsic safety. In recent years, tremendous enthusiasm has been devoted to the functionalities of aqueous zinc-ion batteries, aiming to extend their potential applications in multiple dimensions and multiple scales. Here, the latest advances in the design, construction, and performance evaluation of aqueous zinc-ion batteries are summarized. The focus is on various functionalities such as flexibility, self-healing, self-charging, and miniaturization. We also highlight the materials and structures that have been engineered to realize these functionalities. Finally, we offer some general insights into the challenges and chances in such exciting field.

关键词： zinc-ion battery multiple functionalities flexibility self-healing self-charging integration

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Sustainable wearable energy storage devices self-charged by human-body bioenergy

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SusMat 2021年第2期1卷 285-302页

作者： Jian Lv Jian Chen Pooi See Lee School of Materials Science and Engineering Nanyang Technological UniversitySingaporeSingapore Singapore-HUJ Alliance for Research and Enterprise(SHARE) Nanomaterials for Energy and Energy Water Nexus(NEW)Campus for Research Excellence and Technological EnterpriseSingaporeSingapore

charging wearable energy storage devices with bioenergy from human-bodymotions, biofluids, and body heat holds great potential to construct self-powered body-worn electronics, especially considering the ceaseless nature ofhuman metabolic activities. To bridge the gap between human-body bioen-ergy and storage of energy, wearable triboelectric/piezoelectric nanogenerators(TENGs/PENGs), biofuel cells (BFCs), thermoelectric generators (TEGs) havebeen designed to harvest energy from body-motions, biofluids, and body heat,respectively. Researchers have explored various strategies using bioenergy har-vesters to charge wearable supercapacitors and batteries to relieve or even fullyeliminate the recharging process from external power stations, thus, makingwearable electronics more sustainable, autonomous, and user friendly. In thisarticle, we review the advances in the design of sustainable energy storagedevices charged by human-body energy harvesters. The progress in multifunc-tional wearable energy storage devices that cater to the easy integration withhuman-body energy harvesters will be summarized. Then, the focus is laid onthe integrating strategies (single-cell strategy and separated-cell strategy), devicedesign, materials selection, and characteristics of different self-charging human-body energy harvesting-storage systems. Finally, the challenges that impedethe wide application of human-body energy harvesters charged supercapaci-tors/batteries and prospects will be discussed both from materials and structuraldesign aspects.

关键词： human-body bioenergy self-charging sustainable wearable energy storage devices

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