本文考察了中国第一位诺贝尔科学奖的提名人与被提名人的情况。中国本土第一位诺贝尔科学奖提名人为国际著名生物化学家吴宪(1893-1959),他于1932年提名了约翰·诺斯罗普(John H Northrop)和詹姆士·萨姆纳(James B Sumner)为...本文考察了中国第一位诺贝尔科学奖的提名人与被提名人的情况。中国本土第一位诺贝尔科学奖提名人为国际著名生物化学家吴宪(1893-1959),他于1932年提名了约翰·诺斯罗普(John H Northrop)和詹姆士·萨姆纳(James B Sumner)为诺贝尔生理学或医学奖候选人。而最早获得诺贝尔科学奖提名的中国人乃中国检疫和防疫事业先驱,公共卫生学家、中华医学会首任会长伍连德(1879-1960)博士,他因在肺鼠疫方面的工作尤其是发现土拨鼠在鼠疫传播过程中的作用而被提名角逐1935年诺贝尔生理学或医学奖。展开更多
The Li-and Mn-rich layered oxides(R-LNCM)are considered as promising cathode materials for high-energy density lithium-ion batteries(LIBs).However,the interface side reaction aggravates the voltage and capacity fading...The Li-and Mn-rich layered oxides(R-LNCM)are considered as promising cathode materials for high-energy density lithium-ion batteries(LIBs).However,the interface side reaction aggravates the voltage and capacity fading between cathode material and electrolyte at high voltage,which severely hinders the practical application of LIB s.Herein,lithium polyacrylate(LiPAA)as the binder and coating agent is applied to suppress the voltage and capacity fading of R-LNCM electrode.The flexible LiPAA layers with high elasticity are capable of impeding cathode cracks on the particle surface via mechanical stress relief.Thus,superior voltage and capacity fading suppression on R-LNCM electrode is finally achieved.As a result,LiPAA-R-LNCM cathode exhibits a remarkable specific capacity of 186 mA·h·g^(-1)with~73%retention at 1℃after 200cycles.Further,the corresponding average discharge potential is maintained to~3.1 V with only~0.4 V falling.展开更多
文摘本文考察了中国第一位诺贝尔科学奖的提名人与被提名人的情况。中国本土第一位诺贝尔科学奖提名人为国际著名生物化学家吴宪(1893-1959),他于1932年提名了约翰·诺斯罗普(John H Northrop)和詹姆士·萨姆纳(James B Sumner)为诺贝尔生理学或医学奖候选人。而最早获得诺贝尔科学奖提名的中国人乃中国检疫和防疫事业先驱,公共卫生学家、中华医学会首任会长伍连德(1879-1960)博士,他因在肺鼠疫方面的工作尤其是发现土拨鼠在鼠疫传播过程中的作用而被提名角逐1935年诺贝尔生理学或医学奖。
基金financial support from the National Key Research and Development Program of China (Grant No.2021YFB2400401)Project of Development Fund of Key Laboratory of Green Plateau and Ecological Community of Qinghai Province (Grant No.SL-2020-019)。
文摘The Li-and Mn-rich layered oxides(R-LNCM)are considered as promising cathode materials for high-energy density lithium-ion batteries(LIBs).However,the interface side reaction aggravates the voltage and capacity fading between cathode material and electrolyte at high voltage,which severely hinders the practical application of LIB s.Herein,lithium polyacrylate(LiPAA)as the binder and coating agent is applied to suppress the voltage and capacity fading of R-LNCM electrode.The flexible LiPAA layers with high elasticity are capable of impeding cathode cracks on the particle surface via mechanical stress relief.Thus,superior voltage and capacity fading suppression on R-LNCM electrode is finally achieved.As a result,LiPAA-R-LNCM cathode exhibits a remarkable specific capacity of 186 mA·h·g^(-1)with~73%retention at 1℃after 200cycles.Further,the corresponding average discharge potential is maintained to~3.1 V with only~0.4 V falling.