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Sensing as the key to the safety and sustainability of new energy storage devices

Protection and Control of Modern Power Systems 2023年第2期8卷 185-206页

作者： Zhenxiao Yi Zhaoliang Chen Kai Yin Licheng Wang Kai Wang School of Electrical Engineering Weihai Innovation Research InstituteQingdao UniversityQingdao 266000China Qingdao No.2 Middle School Qingdao 266199China Hunan key Laboratory of Nanophotonics and Devices School of Physics and ElectronicsCentral South UniversityChangsha 410083China School of Information Engineering Zhejiang University of TechnologyHangzhou 310014China

New energy storage devices such as batteries and supercapacitors are widely used in various fields because of their irreplaceable excellent *** there are relatively few monitoring parameters and limited under-standing of their operation,they present problems in accurately predicting their state and controlling operation,such as state of charge,state of health,and early failure *** monitoring can seriously affect the performance of energy storage ***,to maximize the efficiency of new energy storage devices without damaging the equipment,it is important to make full use of sensing systems to accurately monitor important parameters such as voltage,current,temperature,and *** are highly related to their ***,this paper reviews the sensing methods and divides them into two categories:embedded and non-embedded sensors.A variety of measurement methods used to measure the above parameters of various new energy storage devices such as batteries and super-capacitors are systematically *** methods with different innovative points are listed,their advantages and disadvantages are summarized,and the application of optical fiber sensors is ***,the challenges and prospects for these studies are *** intent is to encourage researchers in relevant fields to study the early warning of safety accidents from the root causes.

关键词： New energy storage devices Battery Supercapacitor Embedded sensors Non-embedded sensors Sensing

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Triboelectric nanogenerators:the beginning of blue dream

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Frontiers of Chemical science and Engineering 2023年第6期17卷 635-678页

作者： Wanli Wang Dongfang Yang Xiaoran Yan Licheng Wang Han Hu Kai Wang College of Electrical Engineering Weihai Innovation Research InstituteQingdao UniversityQingdao 266071China State key Laboratory of Heavy Oil Processing College of Chemistry and Chemical EngineeringChina University of Petroleum(East China)Qingdao 266580China Xi’an Traffic Engineering Institute Xi’an 710300China School of Information Engineering Zhejiang University of TechnologyHangzhou 310023China

Wave energy is inexhaustible renewable *** full use of the huge ocean wave energy resources is the dream of mankind for hundreds of ***,the utilization of water wave energy is mainly absorbed and transformed by electromagnetic generators(EMGs)in the form of mechanical ***,waves usually have low frequency and uncertainty,which means low power generation efficiency for ***,in this slow current and random direction wave case,the triboelectric nanogenerator(TENG)has a relatively stable output power,which is suitable for collecting blue *** article summarizes the main research results of TENG in harvesting blue ***,based on Maxwell’s displacement current,the basic principle of the nanogenerator is ***,four working modes and three applications of TENG are introduced,especially the application of TENG in blue *** currently used in blue energy harvesting is divided into four categories and discussed in *** TENG harvests water wave energy,it is meaningless if it cannot be ***,the modular storage of TENG energy is *** output power of a single TENG unit is relatively low,which cannot meet the demand for high ***,the networking strategy of large-scale TENG is further ***’s energy comes from water waves,and each TENG’s output has great randomness,which is very unfavorable for the energy storage after large-scale TENG *** this basis,this paper discusses the power management methods of *** addition,in order to further prove its economic and environmental advantages,the economic benefits of TENG are also ***,the development potential of TENG in the field of blue energy and some problems that need to be solved urgently are briefly summarized.

关键词： blue energy triboelectric nanogenerator water wave energy networking strategy micro nano-energy self-powered devices

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