典型文献
Regulating the radical intermediates by conjugated units in covalent organic frameworks for optimized lithium ion storage
文献摘要：
Organic active units often transform into radical intermediates during the redox processes but exhibit poor cycling stability due to the uncontrollable redox of the radicals.Herein,we report a facile and effi-cient strategy to modulate the molecular orbital energies,charge transport capacities,and spin electron densities of the active units in covalent organic frameworks(COFs)via regulating the conjugated unit size to optimize the redox activity and stability of the organic radicals.COFs based on different imide conju-gated units exhibit tunable discharge voltages,rate performance and cycling stabilities.Detailed charac-terizations and theoretical calculation reveal that imide radicals are the important active intermediates during the redox processes of these COFs.Specifically,increasing the size of the imide conjugated units could effectively delocalize the radical electrons and improve the stability of the COFs electrodes.This study offers a very effective strategy to modulate the redox chemistry of organic materials for electro-chemical energy storage.
文献关键词：
中图分类号：
作者姓名：
Shuai Gu;Xiaoxia Ma;Jingjing Chen;Rui Hao;Zhiqiang Wang;Ning Qin;Wei Zheng;Qingmeng Gan;Wen Luo;Muqing Li;Zhiqiang Li;Kemeng Liao;Hao Guo;Guiyu Liu;Kaili Zhang;Zhouguang Lu
作者机构：
Department of Materials Science and Engineering,Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials,Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices,Southern University of Science and Technology,Shenzhen 518055,Guangdong,China;Department of Mechanical Engineering,City University of Hong Kong,Kowloon,Hong Kong 999077,China
文献出处：
引用格式：
[1]Shuai Gu;Xiaoxia Ma;Jingjing Chen;Rui Hao;Zhiqiang Wang;Ning Qin;Wei Zheng;Qingmeng Gan;Wen Luo;Muqing Li;Zhiqiang Li;Kemeng Liao;Hao Guo;Guiyu Liu;Kaili Zhang;Zhouguang Lu-.Regulating the radical intermediates by conjugated units in covalent organic frameworks for optimized lithium ion storage)[J].能源化学,2022(06):428-433
A类：
delocalize
B类：
Regulating,intermediates,by,conjugated,units,covalent,organic,frameworks,optimized,lithium,storage,Organic,active,often,transform,into,during,redox,processes,but,exhibit,poor,cycling,stability,due,uncontrollable,radicals,Herein,we,report,facile,effi,cient,strategy,modulate,molecular,orbital,energies,transport,capacities,spin,densities,COFs,via,regulating,size,activity,different,imide,tunable,discharge,voltages,performance,stabilities,Detailed,charac,terizations,theoretical,calculation,reveal,that,are,important,these,Specifically,increasing,could,effectively,electrons,improve,electrodes,This,study,offers,very,chemistry,materials,chemical,energy
AB值：
0.530419
相似文献
机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
