The separator is a key component of sodium-ion battery,which greatly affects the electrochemical performances and safety characteristics of the battery.Conventional glass fiber separator cannot meet the requirements o...The separator is a key component of sodium-ion battery,which greatly affects the electrochemical performances and safety characteristics of the battery.Conventional glass fiber separator cannot meet the requirements of large-scale application because of high cost and poor mechanical properties.Herein,the novel composite separators are prepared by a simple slurry sieving process using glass fiber separator scraps and ordinary qualitative filter paper as raw materials.As the composite mass ratio is 1:1,the composite separator has excellent comprehensive properties,including tensile strength of 15.8 MPa,porosity of 74.3%,ionic conductivity of 1.57×10^(-3)S·cm^(-1)and thermal stability at 210℃.The assembled sodium-ion battery shows superior cycling performance(capacity retention of 94.1%after 500 cycles at 1C)and rate capacity(retention rate of 87.3%at 10C),and it maintains fine interface stability.The above results provide some new ideas for the separator design of high-performance and low-cost sodium-ion batteries.展开更多
Lipid droplets(LDs)are lipid storage organelles with a central hydrophobic core of neutral lipids that is enclosed in a monolayer of phospholipids.Though the storage of lipids,mainly cholesterol and triglycerides,was ...Lipid droplets(LDs)are lipid storage organelles with a central hydrophobic core of neutral lipids that is enclosed in a monolayer of phospholipids.Though the storage of lipids,mainly cholesterol and triglycerides,was thought to be the primary function of LDs,studies have shown that they have important functions in maintaining lipid homeostasis and modulating various signaling pathways.Abnormal lipid accumulation has been recognized as a key feature in several human diseases such as obesity,diabetes,cancer,neurological diseases,cardiovascular diseases,insulin resistance,liver diseases and kidney diseases.LDs play an important role in innate immunity,in the fight against infections,and in the replication of SARS-CoV-2.Hence a tight regulation of LD metabolism is essential for proper functioning of a cell.展开更多
基金financially supported by the National Natural Science Foundation of China (Nos.52002106,22262013,and 52102261)the Talent Project of Anhui Provincial Department of Education (Nos.gxyqZD2021127 and gxbjZ D2022050)+1 种基金the Natural Science Foundation of Anhui Province,China (Nos.2108085QB68,2208085QB34,and2022AH052157)the Research Funds for Hefei Normal University (Nos.14098100 and 2021cyxy061)。
文摘The separator is a key component of sodium-ion battery,which greatly affects the electrochemical performances and safety characteristics of the battery.Conventional glass fiber separator cannot meet the requirements of large-scale application because of high cost and poor mechanical properties.Herein,the novel composite separators are prepared by a simple slurry sieving process using glass fiber separator scraps and ordinary qualitative filter paper as raw materials.As the composite mass ratio is 1:1,the composite separator has excellent comprehensive properties,including tensile strength of 15.8 MPa,porosity of 74.3%,ionic conductivity of 1.57×10^(-3)S·cm^(-1)and thermal stability at 210℃.The assembled sodium-ion battery shows superior cycling performance(capacity retention of 94.1%after 500 cycles at 1C)and rate capacity(retention rate of 87.3%at 10C),and it maintains fine interface stability.The above results provide some new ideas for the separator design of high-performance and low-cost sodium-ion batteries.
基金This project was supported by grants from National Institutes of Health(No.R01DK117599,R01DK104753 and R01CA227493)to A.F.and S.Mthe Miami Clinical Translational Science Institute(No.U54DK083912,UM1DK100846,U01DK116101 and UL1TR000460)to A.F,and the Ophthalmology mass spectrometry facility,Vision Core grant(No.EY14801).
文摘Lipid droplets(LDs)are lipid storage organelles with a central hydrophobic core of neutral lipids that is enclosed in a monolayer of phospholipids.Though the storage of lipids,mainly cholesterol and triglycerides,was thought to be the primary function of LDs,studies have shown that they have important functions in maintaining lipid homeostasis and modulating various signaling pathways.Abnormal lipid accumulation has been recognized as a key feature in several human diseases such as obesity,diabetes,cancer,neurological diseases,cardiovascular diseases,insulin resistance,liver diseases and kidney diseases.LDs play an important role in innate immunity,in the fight against infections,and in the replication of SARS-CoV-2.Hence a tight regulation of LD metabolism is essential for proper functioning of a cell.
