Stretchable electronics have been recognized as intriguing next-generation electronics that possess huge market value,and stretchable electronic conductors(SECs)are essential for stretchable electronics,which not only...Stretchable electronics have been recognized as intriguing next-generation electronics that possess huge market value,and stretchable electronic conductors(SECs)are essential for stretchable electronics,which not only can serve as critical functional components but also are the indispensable electronic connections bridging various electronic components within stretchable electronic systems.Herein,we offer a comprehensive review of recent progress in SECs including the material categories,structure designs,fabrication techniques,and applications.The characteristics,performance enhancement strategies,and application requirements are emphasized.Based on the recent advances,the existing challenges and future prospects are outlined and discussed.展开更多
For large-scale energy storage devices,all-solid-state sodium-ion batteries(SIBs)have been revered for the abundant resources,low cost,safety performance and a wide operating temperature range.Na-ion solid-state elect...For large-scale energy storage devices,all-solid-state sodium-ion batteries(SIBs)have been revered for the abundant resources,low cost,safety performance and a wide operating temperature range.Na-ion solid-state electrolytes(Na-ion SSEs)are the critical parts and mostly determine the electrochemical performance of SIBs.Among the studied ones,inorganic Na-ion SSEs stand out for their good safety performance and high ionic conductivity.In this review,we outline the research progress of inorganic SSEs in SIBs based on the perspectives of crystal structure,performance optimization,synthesis methods,allsolid-state SIBs,interface modification and related characterization techniques.We hope to provide some ideas for the design of future high-performance Na-ion SSEs.展开更多
Lithium halide solid-state electrolytes,with the general formula of Li_(3±m)M_(n)X_(6),are regarded as the promising families of electrolyte material for all solid-state lithium-ion batteries because of the relat...Lithium halide solid-state electrolytes,with the general formula of Li_(3±m)M_(n)X_(6),are regarded as the promising families of electrolyte material for all solid-state lithium-ion batteries because of the relatively good ionic conductivity,high oxidative stability against high-voltage oxide cathodes,and broad electrochemical stability window[1].Here,M stands for one or multiple metal elements and X for one or multiple halogen elements.展开更多
The mechanical,thermodynamic properties and electrical conductivities of L1_(2)-Al_(3)X(X=Zr,Sc,Er,Yb,Hf)structural phases in aluminum conductors were investigated through a first-principles study.The results demonstr...The mechanical,thermodynamic properties and electrical conductivities of L1_(2)-Al_(3)X(X=Zr,Sc,Er,Yb,Hf)structural phases in aluminum conductors were investigated through a first-principles study.The results demonstrate that all structural phases have good alloy-forming ability and structural stability,where Al_(3)Zr is the most superior.Al_(3)Zr,Al_(3)Hf and Al_(3)Sc have enhanced shear and deformation resistance in comparison to other phases.Within the temperature range of 200−600 K,Al_(3)Er and Al_(3)Yb possess the greatest thermodynamic stability,followed by Al_(3)Hf,Al_(3)Zr and Al_(3)Sc.Al_(3)Er and Al_(3)Yb have higher thermodynamic stability than Al_(3)Hf,Al_(3)Zr and Al_(3)Sc.All structural phases exhibit substantial metallic properties,indicating their good electrical conductivity.The electrical conductivities of Al_(3)Hf and Al_(3)Zr are higher than those of Al_(3)Er,Al_(3)Yb and Al_(3)Sc.The covalent bond properties in Al_(3)Sc,Al_(3)Er and Al_(3)Yb enhance the hardness,brittleness and thermodynamic stability of the structural phase.The thermodynamic stability of Al_(3)Sc is significantly reduced by ionic bonds.展开更多
This paper introduces the key laboratory on bundle conductors for high voltage overhead lines built byElectric Power Construction Research Institute under the State Power Corporation of China. It consists of 4 sub-lab...This paper introduces the key laboratory on bundle conductors for high voltage overhead lines built byElectric Power Construction Research Institute under the State Power Corporation of China. It consists of 4 sub-laboratories, namely the Aeolian Vibration Lab, Spacer Vibration Lab, Conductor Fatigue Lab and Conductor CreepageLab. The paper introduces also laboratory’s facilities, functions and some experimental results.[展开更多
CeO_(2)/YSZ/CeO_(2)buffer layers were prepared on biaxial textured Ni-5at.%W substrate by direct-current magnetron reactive sputtering with the optimum process.YBCO thin films were deposited on CeO_(2)/YSZ/CeO_(2)buff...CeO_(2)/YSZ/CeO_(2)buffer layers were prepared on biaxial textured Ni-5at.%W substrate by direct-current magnetron reactive sputtering with the optimum process.YBCO thin films were deposited on CeO_(2)/YSZ/CeO_(2)buffered Ni-5at.%W substrate at temperature ranging from 500℃to 700℃by diode de sputtering.By optimizing substrate temperature,pure c-axis oriented YBCO films were obtained.The mierostruetures of CeO_(2)/YSZ/CeO_(2)buffer layers were characterized by X-ray diffraction.A smooth,dense and crack-free surface morphology was observed with scanning electron microscopy.The critical current density Jc about 0.75 MA/cm2 at 77 K was obtained.展开更多
基金supported by the National Natural Science Foundation of China(52172170)Guangdong Natural Science Foundation for Distinguished Young Scholars(2023B1515020114)+2 种基金Fundamental Research Funds for the Central Universities(24lgqb003)Guangdong University Innovation and Enhancement Program(2024KTSCX003)Science and Technology Projects of Guangzhou(2025A04J4230).
文摘Stretchable electronics have been recognized as intriguing next-generation electronics that possess huge market value,and stretchable electronic conductors(SECs)are essential for stretchable electronics,which not only can serve as critical functional components but also are the indispensable electronic connections bridging various electronic components within stretchable electronic systems.Herein,we offer a comprehensive review of recent progress in SECs including the material categories,structure designs,fabrication techniques,and applications.The characteristics,performance enhancement strategies,and application requirements are emphasized.Based on the recent advances,the existing challenges and future prospects are outlined and discussed.
基金supported by the National Natural Science Foundation of China(Nos.22175070,22293041)supported by the National Key Research and Development Program(Nos.2021YFB2500200,2021YFB2400300)+1 种基金the National Natural Science Foundation of China(No.52177214)China Fujian Energy Devices Science and Technology Innovation Laboratory Open Fund(No.21C-OP202211)。
文摘For large-scale energy storage devices,all-solid-state sodium-ion batteries(SIBs)have been revered for the abundant resources,low cost,safety performance and a wide operating temperature range.Na-ion solid-state electrolytes(Na-ion SSEs)are the critical parts and mostly determine the electrochemical performance of SIBs.Among the studied ones,inorganic Na-ion SSEs stand out for their good safety performance and high ionic conductivity.In this review,we outline the research progress of inorganic SSEs in SIBs based on the perspectives of crystal structure,performance optimization,synthesis methods,allsolid-state SIBs,interface modification and related characterization techniques.We hope to provide some ideas for the design of future high-performance Na-ion SSEs.
文摘Lithium halide solid-state electrolytes,with the general formula of Li_(3±m)M_(n)X_(6),are regarded as the promising families of electrolyte material for all solid-state lithium-ion batteries because of the relatively good ionic conductivity,high oxidative stability against high-voltage oxide cathodes,and broad electrochemical stability window[1].Here,M stands for one or multiple metal elements and X for one or multiple halogen elements.
基金National Natural Science Foundation of China (No. 52274403)。
文摘The mechanical,thermodynamic properties and electrical conductivities of L1_(2)-Al_(3)X(X=Zr,Sc,Er,Yb,Hf)structural phases in aluminum conductors were investigated through a first-principles study.The results demonstrate that all structural phases have good alloy-forming ability and structural stability,where Al_(3)Zr is the most superior.Al_(3)Zr,Al_(3)Hf and Al_(3)Sc have enhanced shear and deformation resistance in comparison to other phases.Within the temperature range of 200−600 K,Al_(3)Er and Al_(3)Yb possess the greatest thermodynamic stability,followed by Al_(3)Hf,Al_(3)Zr and Al_(3)Sc.Al_(3)Er and Al_(3)Yb have higher thermodynamic stability than Al_(3)Hf,Al_(3)Zr and Al_(3)Sc.All structural phases exhibit substantial metallic properties,indicating their good electrical conductivity.The electrical conductivities of Al_(3)Hf and Al_(3)Zr are higher than those of Al_(3)Er,Al_(3)Yb and Al_(3)Sc.The covalent bond properties in Al_(3)Sc,Al_(3)Er and Al_(3)Yb enhance the hardness,brittleness and thermodynamic stability of the structural phase.The thermodynamic stability of Al_(3)Sc is significantly reduced by ionic bonds.
文摘This paper introduces the key laboratory on bundle conductors for high voltage overhead lines built byElectric Power Construction Research Institute under the State Power Corporation of China. It consists of 4 sub-laboratories, namely the Aeolian Vibration Lab, Spacer Vibration Lab, Conductor Fatigue Lab and Conductor CreepageLab. The paper introduces also laboratory’s facilities, functions and some experimental results.[
文摘CeO_(2)/YSZ/CeO_(2)buffer layers were prepared on biaxial textured Ni-5at.%W substrate by direct-current magnetron reactive sputtering with the optimum process.YBCO thin films were deposited on CeO_(2)/YSZ/CeO_(2)buffered Ni-5at.%W substrate at temperature ranging from 500℃to 700℃by diode de sputtering.By optimizing substrate temperature,pure c-axis oriented YBCO films were obtained.The mierostruetures of CeO_(2)/YSZ/CeO_(2)buffer layers were characterized by X-ray diffraction.A smooth,dense and crack-free surface morphology was observed with scanning electron microscopy.The critical current density Jc about 0.75 MA/cm2 at 77 K was obtained.
