典型文献
Evaluation on a 400 Wh kg-1 lithium-sulfur pouch cell
文献摘要：
Lithium-sulfur(Li-S)batteries are highly regarded as next-generation energy storage devices due to their ultrahigh theoretical energy density of 2600 Wh kg-1.However,practical high-energy-density Li-S pouch cells suffer from limited cycling lifespan with rapid loss of active materials.Herein,systematic evaluation on a 400 Wh kg-1 Li-S pouch cell is carried out to reveal the working and failure mechanism of Li-S bat-teries under practical conditions.Electrode morphology,spatial distribution and species analysis of sul-fur,and capacity retention of electrodes are respectively evaluated after the first cycle of discharge or charge.Considerable lithium polysulfides are found in electrolyte even at the end of discharge or charge,where the sulfur redox reactions are reversible with high capacity retention.Meanwhile,severe morphol-ogy change is identified on lithium metal anode,yet there remains substantial active lithium to support the following cycles.This work not only demonstrates unique behaviors of Li-S batteries under practical conditions,which is essential for promoting the progress of Li-S pouch cells,but also affords a systematic evaluation methodology to guide further investigation on high-energy-density Li-S batteries.
文献关键词：
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作者姓名：
Ge Ye;Meng Zhao;Li-Peng Hou;Wei-Jing Chen;Xue-Qiang Zhang;Bo-Quan Li;Jia-Qi Huang
作者机构：
School of Materials Science and Engineering,Beijing Institute of Technology,Beijing 100081,China;Advanced Research Institute of Multidisciplinary Science,Beijing Institute of Technology,Beijing 100081,China;Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology,Department of Chemical Engineering,Tsinghua University,Beijing 100084,China;Beijing Key Laboratory of Lignocellulosic Chemistry,Beijing Forestry University,Beijing 100083,China
文献出处：
引用格式：
[1]Ge Ye;Meng Zhao;Li-Peng Hou;Wei-Jing Chen;Xue-Qiang Zhang;Bo-Quan Li;Jia-Qi Huang-.Evaluation on a 400 Wh kg-1 lithium-sulfur pouch cell)[J].能源化学,2022(03):24-29
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Evaluation,Wh,lithium,sulfur,pouch,Lithium,batteries,are,highly,regarded,as,next,generation,energy,storage,devices,due,their,ultrahigh,theoretical,density,However,practical,cells,suffer,from,limited,cycling,lifespan,rapid,loss,active,materials,Herein,systematic,evaluation,carried,out,reveal,working,failure,mechanism,under,conditions,Electrode,morphology,spatial,distribution,species,analysis,capacity,retention,electrodes,respectively,evaluated,after,first,discharge,Considerable,polysulfides,found,electrolyte,even,end,where,redox,reactions,reversible,Meanwhile,severe,change,identified,metal,anode,yet,there,remains,substantial,support,following,cycles,This,not,only,demonstrates,unique,behaviors,which,essential,promoting,progress,also,affords,methodology,guide,further,investigation
AB值：
0.564557
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