Spectral measurement of tungsten(W)impurity is essential to study impurity transport.Therefore,an X-ray crystal spectrometer(XCS)on EAST was used to measure the line spectra from highly ionized W ions.On EAST,both pol...Spectral measurement of tungsten(W)impurity is essential to study impurity transport.Therefore,an X-ray crystal spectrometer(XCS)on EAST was used to measure the line spectra from highly ionized W ions.On EAST,both poloidal XCS and tangential XCS have been developed to measure the plasma temperature as well as the rotation velocity.Recently,He-like and H-like argon spectra have also been obtained using a two-crystal setup.W lines are identified in this study.Through a careful analysis,the W lines of 3.9336,3.9321,and 3.664(A)are found to be diffracted by He-like or H-like crystals.The lines are confirmed with the NIST database.We also calculated the ion temperature with Doppler broadening of these lines.The ion temperature from the W lines is entirely consistent with that from Ar line spectra.The measurement of these W line spectra could be used to study W impurity transport in future work.展开更多
In comparison with lithium-ion batteries(LIBs)with liquid electrolytes,all-solid-state lithium batteries(ASSLBs)have been considered as promising systems for future energy storage due to their safety and high energy d...In comparison with lithium-ion batteries(LIBs)with liquid electrolytes,all-solid-state lithium batteries(ASSLBs)have been considered as promising systems for future energy storage due to their safety and high energy density.As the pivotal component used in ASSLBs,composite solid polymer electrolytes(CSPEs),derived from the incorporation of inorganic fillers into solid polymer electrolytes(SPEs),exhibit higher ionic conductivity,better mechanical strength,and superior thermal/electrochemical stability compared to the single-component SPEs,which can significantly promote the electrochemical performance of ASSLBs.Herein,the recent advances of CSPEs applied in ASSLBs are presented.The effects of the category,morphology and concentration of inorganic fillers on the ionic conductivity,mechanical strength,electrochemical window,interfacial stability and possible Li+transfer mechanism of CSPEs will be systematically discussed.Finally,the challenges and perspectives are proposed for the future development of high-performance CSPEs and ASSLBs.展开更多
基金the National Magnetic Confinement Fusion Science Program of China(Nos.2017YFE0301300 and 2018YFE0301100)the Key Program of Research and Development of the Hefei Science Center(No.2017HSC-KPRD002)+7 种基金National Natural Science Foundation of China(Nos.11805231 and 11705151)the ASIPP Science and Research Grant(No.DSJJ-17-03)the Anhui Provincial Natural Science Foundation(Nos.1808085QA14 and 1908085J01)the Instrument Developing Project of the Chi-nese Academy of Sciences(No.YJKYYQ20180013)the Collaborative Innovation Program of Hefei Science Center,CAS(No.2019HSC-CIP005)the Nature Science Foundation of Hunan Province(2017JJ3268)the Hunan Nuclear Fusion International Science and Technology Innovation Coopera-tion Base(No.2018WK4009)the Key Laboratory of Magnetic Confinement Nuclear Fusion Research in Hengyang(No.2018KJ108).
文摘Spectral measurement of tungsten(W)impurity is essential to study impurity transport.Therefore,an X-ray crystal spectrometer(XCS)on EAST was used to measure the line spectra from highly ionized W ions.On EAST,both poloidal XCS and tangential XCS have been developed to measure the plasma temperature as well as the rotation velocity.Recently,He-like and H-like argon spectra have also been obtained using a two-crystal setup.W lines are identified in this study.Through a careful analysis,the W lines of 3.9336,3.9321,and 3.664(A)are found to be diffracted by He-like or H-like crystals.The lines are confirmed with the NIST database.We also calculated the ion temperature with Doppler broadening of these lines.The ion temperature from the W lines is entirely consistent with that from Ar line spectra.The measurement of these W line spectra could be used to study W impurity transport in future work.
基金supported by the Innovative and Entrepreneurial Talent Plan(Jiangsu Province,China)。
文摘In comparison with lithium-ion batteries(LIBs)with liquid electrolytes,all-solid-state lithium batteries(ASSLBs)have been considered as promising systems for future energy storage due to their safety and high energy density.As the pivotal component used in ASSLBs,composite solid polymer electrolytes(CSPEs),derived from the incorporation of inorganic fillers into solid polymer electrolytes(SPEs),exhibit higher ionic conductivity,better mechanical strength,and superior thermal/electrochemical stability compared to the single-component SPEs,which can significantly promote the electrochemical performance of ASSLBs.Herein,the recent advances of CSPEs applied in ASSLBs are presented.The effects of the category,morphology and concentration of inorganic fillers on the ionic conductivity,mechanical strength,electrochemical window,interfacial stability and possible Li+transfer mechanism of CSPEs will be systematically discussed.Finally,the challenges and perspectives are proposed for the future development of high-performance CSPEs and ASSLBs.
