Portable electronic devices(PEDs)are promising information-exchange platforms for real-time responses.Their performance is becoming more and more sensitive to energy consumption.Rechargeable batteries are the primary ...Portable electronic devices(PEDs)are promising information-exchange platforms for real-time responses.Their performance is becoming more and more sensitive to energy consumption.Rechargeable batteries are the primary energy source of PEDs and hold the key to guarantee their desired performance stability.With the remarkable progress in battery technologies,multifunctional PEDs have constantly been emerging to meet the requests of our daily life conveniently.The ongoing surge in demand for high-performance PEDs inspires the relentless pursuit of even more powerful rechargeable battery systems in turn.In this review,we present how battery technologies contribute to the fast rise of PEDs in the last decades.First,a comprehensive overview of historical advances in PEDs is outlined.Next,four types of representative rechargeable batteries and their impacts on the practical development of PEDs are described comprehensively.The development trends toward a new generation of batteries and the future research focuses are also presented.展开更多
Battery energy storage system(BESS)is one of the effective technologies to deal with power fluctuation and intermittence resulting from grid integration of large renewable generations.In this paper,the system configur...Battery energy storage system(BESS)is one of the effective technologies to deal with power fluctuation and intermittence resulting from grid integration of large renewable generations.In this paper,the system configuration of a China’s national renewable generation demonstration project combining a large-scale BESS with wind farm and photovoltaic(PV)power station,all coupled to a power transmission system,is introduced,and the key technologies including optimal control and management as well as operational status of this BESS are presented.Additionally,the technical benefits of such a large-scale BESS in dealing with power fluctuation and intermittence issues resulting from grid connection of large-scale renewable generation,and for improvement of operation characteristics of transmission grid,are discussed with relevant case studies.展开更多
Growing penetration of wind power challenges to power system security,since the conventional generators may not have sufficient capacity to compensate wind power fluctuation plus the reverse peak regulation.In this pa...Growing penetration of wind power challenges to power system security,since the conventional generators may not have sufficient capacity to compensate wind power fluctuation plus the reverse peak regulation.In this paper,the high-capacity pumped-storage and fast-response battery-storage are coordinated to compensate the variation of both wind power and load,aiming at shifting peak load,responding to wind power ramping,reducing the curtailment of wind and stabilizing the output of thermal units.A practical framework is designed for optimizing the operation of the hybrid system consisting of the wind,pumped-storage,and battery storage,which can take full advantages of pumped-storage and battery-storage.The detailed mathematical formulations of the pumpedstorage and battery-storage are built.Three cases are studied to demonstrate the advantages of the proposed coordination method.展开更多
基金This work was supported by National Key Research and Development Program(2016YFA0202500 and 2015CB932500)National Natural Science Foundation of China(21676160,51602107,21776019,21825501,21808124,and U1801257)+3 种基金the Tsinghua University Initiative Scientific Research Program,the China Postdoctoral Science Foundation(2017M620049)the Tip-top Scientific and Technical Innovative Youth Talents of Guangdong Special Support Program(2017TQ04C419)Y.Chen thanks funding support from Australian Research Council under the Future Fellowships scheme(FT160100107)Discovery Programme(DP180102210).
文摘Portable electronic devices(PEDs)are promising information-exchange platforms for real-time responses.Their performance is becoming more and more sensitive to energy consumption.Rechargeable batteries are the primary energy source of PEDs and hold the key to guarantee their desired performance stability.With the remarkable progress in battery technologies,multifunctional PEDs have constantly been emerging to meet the requests of our daily life conveniently.The ongoing surge in demand for high-performance PEDs inspires the relentless pursuit of even more powerful rechargeable battery systems in turn.In this review,we present how battery technologies contribute to the fast rise of PEDs in the last decades.First,a comprehensive overview of historical advances in PEDs is outlined.Next,four types of representative rechargeable batteries and their impacts on the practical development of PEDs are described comprehensively.The development trends toward a new generation of batteries and the future research focuses are also presented.
基金supported by National Natural Science Foundation of China(No.51107126 and No.512111046)the Key Projects in National Science and Technology Pillar Program(No.2011BAA07B07)+1 种基金the Beiing Nova Program(No.Z141101001814094)the Science and Technology Foundation of State Grid Corporation of China(No.DG71-14-032)
文摘Battery energy storage system(BESS)is one of the effective technologies to deal with power fluctuation and intermittence resulting from grid integration of large renewable generations.In this paper,the system configuration of a China’s national renewable generation demonstration project combining a large-scale BESS with wind farm and photovoltaic(PV)power station,all coupled to a power transmission system,is introduced,and the key technologies including optimal control and management as well as operational status of this BESS are presented.Additionally,the technical benefits of such a large-scale BESS in dealing with power fluctuation and intermittence issues resulting from grid connection of large-scale renewable generation,and for improvement of operation characteristics of transmission grid,are discussed with relevant case studies.
基金This work was supported in part by the National Key Research and Development Program of China(2016YFB0900101)in part by the National Natural Science Foundation of China(51377027).
文摘Growing penetration of wind power challenges to power system security,since the conventional generators may not have sufficient capacity to compensate wind power fluctuation plus the reverse peak regulation.In this paper,the high-capacity pumped-storage and fast-response battery-storage are coordinated to compensate the variation of both wind power and load,aiming at shifting peak load,responding to wind power ramping,reducing the curtailment of wind and stabilizing the output of thermal units.A practical framework is designed for optimizing the operation of the hybrid system consisting of the wind,pumped-storage,and battery storage,which can take full advantages of pumped-storage and battery-storage.The detailed mathematical formulations of the pumpedstorage and battery-storage are built.Three cases are studied to demonstrate the advantages of the proposed coordination method.
