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典型文献
Advanced flame-retardant electrolyte for highly stabilized K-ion storage in graphite anode
文献摘要:
Although graphite anodes operated with representative de/intercalation patterns at low potentials are considered highly desirable for K-ion batteries,the severe capacity fading caused by consecutive reduc-tion reactions on the aggressively reactive surface is inevitable given the scarcity of effective protecting layers.Herein,by introducing a flame-retardant localized high-concentration electrolyte with retentive solvation configuration and relatively weakened anion-coordination and non-solvating fluorinated ether,the rational solid electrolyte interphase characterized by well-balanced inorganic/organic components is tailored in situ.This effectively prevented solvents from excessively decomposing and simultaneously improved the resistance against K-ion transport.Consequently,the graphite anode retained a prolonged cycling capability of up to 1400 cycles(245 mA h g-1.remaining above 12 mon)with an excellent capac-ity retention of as high as 92.4%.This is superior to those of conventional and high-concentration elec-trolytes.Thus,the optimized electrolyte with moderate salt concentration is perfectly compatible with graphite,providing a potential application prospect for K-storage evolution.
文献关键词:
作者姓名:
Hao-Jie Liang;Zhen-Yi Gu;Xin-Xin Zhao;Jin-Zhi Guo;Jia-Lin Yang;Wen-Hao Li;Bao Li;Zhi-Ming Liu;Zhong-Hui Sun;Jing-Ping Zhang;Xing-Long Wu
作者机构:
Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education,Northeast Normal University,Changchun 130024,China;Department of Chemistry,Northeast Normal University,Changchun 130024,China;School of Chemistry and Chemical Engineering,Henan Normal University,Xinxiang 453007,China;College of Electromechanical Engineering Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials,Qingdao University of Science and Technology,Qingdao 266061,China;Center for Advanced Analytical Science,School of Chemistry and Chemical Engineering Key Laboratory for Water Quality and Conservation of the Pearl River Delta of Ministry of Education,Guangzhou University,Guangzhou 510006,China
引用格式:
[1]Hao-Jie Liang;Zhen-Yi Gu;Xin-Xin Zhao;Jin-Zhi Guo;Jia-Lin Yang;Wen-Hao Li;Bao Li;Zhi-Ming Liu;Zhong-Hui Sun;Jing-Ping Zhang;Xing-Long Wu-.Advanced flame-retardant electrolyte for highly stabilized K-ion storage in graphite anode)[J].科学通报(英文版),2022(15):1581-1588
A类:
aggressively,retentive,solvating
B类:
Advanced,flame,retardant,electrolyte,highly,stabilized,storage,graphite,Although,anodes,operated,representative,intercalation,patterns,low,potentials,are,considered,desirable,batteries,severe,capacity,fading,caused,by,consecutive,reduc,reactions,reactive,surface,inevitable,given,scarcity,protecting,layers,Herein,introducing,localized,concentration,solvation,configuration,relatively,weakened,anion,coordination,fluorinated,ether,rational,solid,interphase,characterized,well,balanced,inorganic,components,tailored,situ,This,effectively,prevented,solvents,from,excessively,decomposing,simultaneously,improved,resistance,against,transport,Consequently,retained,prolonged,cycling,capability,cycles,mA,remaining,above,mon,excellent,retention,superior,those,conventional,trolytes,Thus,optimized,moderate,salt,perfectly,compatible,providing,application,prospect,evolution
AB值:
0.638439
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