The electrolyte directly contacts the essential parts of a lithium-ion battery,and as a result,the electrochemical properties of the electrolyte have a significant impact on the voltage platform,charge discharge capac...The electrolyte directly contacts the essential parts of a lithium-ion battery,and as a result,the electrochemical properties of the electrolyte have a significant impact on the voltage platform,charge discharge capacity,energy density,service life,and rate discharge performance.By raising the voltage at the charge/discharge plateau,the energy density of the battery is increased.However,this causes transition metal dissolution,irreversible phase changes of the cathode active material,and parasitic electrolyte oxidation reactions.This article presents an overview of these concerns to provide a clear explanation of the issues involved in the development of electrolytes for high-voltage lithium-ion batteries.Additionally,solidstate electrolytes enable various applications and will likely have an impact on the development of batteries with high energy densities.It is necessary to improve the high-voltage performance of electrolytes by creating solvents with high thermal stabilities and high voltage resistance and additives with superior film forming performance,multifunctional capabilities,and stable lithium salts.To offer suggestions for the future development of high-energy lithium-ion batteries,we conclude by offering our own opinions and insights on the current development of lithium-ion batteries.展开更多
赣西萍乡地区变质岩广泛出露,变质岩岩石类型多而复杂。而且以面型分布的区域动压变质岩为主。根据该区不同变质岩成矿微量元素的初步研究:Au Ag Fe Pb Zn元素在萍乡地区含量普遍比地壳克拉克高,而Zn元素则高出二倍,Cu则相对低于地壳克...赣西萍乡地区变质岩广泛出露,变质岩岩石类型多而复杂。而且以面型分布的区域动压变质岩为主。根据该区不同变质岩成矿微量元素的初步研究:Au Ag Fe Pb Zn元素在萍乡地区含量普遍比地壳克拉克高,而Zn元素则高出二倍,Cu则相对低于地壳克拉克值。另外变质砂岩类中Au Ag含量高于地壳克拉克值;泥质岩类,Cu Pb Zn V Co Ni等元素含量相对变化较大;Au Ag Sn在千枚岩中含量较高,有的还比地壳克拉克值和中国东部沉积岩高出几倍。展开更多
基金supported by the Shandong Provincial Natural Science Foundation,China(No.ZR2019MEM014)。
文摘The electrolyte directly contacts the essential parts of a lithium-ion battery,and as a result,the electrochemical properties of the electrolyte have a significant impact on the voltage platform,charge discharge capacity,energy density,service life,and rate discharge performance.By raising the voltage at the charge/discharge plateau,the energy density of the battery is increased.However,this causes transition metal dissolution,irreversible phase changes of the cathode active material,and parasitic electrolyte oxidation reactions.This article presents an overview of these concerns to provide a clear explanation of the issues involved in the development of electrolytes for high-voltage lithium-ion batteries.Additionally,solidstate electrolytes enable various applications and will likely have an impact on the development of batteries with high energy densities.It is necessary to improve the high-voltage performance of electrolytes by creating solvents with high thermal stabilities and high voltage resistance and additives with superior film forming performance,multifunctional capabilities,and stable lithium salts.To offer suggestions for the future development of high-energy lithium-ion batteries,we conclude by offering our own opinions and insights on the current development of lithium-ion batteries.
文摘赣西萍乡地区变质岩广泛出露,变质岩岩石类型多而复杂。而且以面型分布的区域动压变质岩为主。根据该区不同变质岩成矿微量元素的初步研究:Au Ag Fe Pb Zn元素在萍乡地区含量普遍比地壳克拉克高,而Zn元素则高出二倍,Cu则相对低于地壳克拉克值。另外变质砂岩类中Au Ag含量高于地壳克拉克值;泥质岩类,Cu Pb Zn V Co Ni等元素含量相对变化较大;Au Ag Sn在千枚岩中含量较高,有的还比地壳克拉克值和中国东部沉积岩高出几倍。
