CAS OpenIR
Rational synthesis of a ZIF-67@Co-Ni LDH heterostructure and derived heterogeneous carbon-based framework as a highly efficient multifunctional sulfur host
Li, Hongtai1,2; Jin, Quan3; Zhao, Jie1; Wang, Bao1; Guo, Xiaodong2
2020-09-28
Source PublicationDALTON TRANSACTIONS
ISSN1477-9226
Volume49Issue:36Pages:12686-12694
AbstractA facile one-pot surfactant-free solvothermal method was developed to synthesize ZIF-67@Co-Ni layered double hydroxide (LDH) heterostructures. By rationally controlling the sequential growth of ZIF-67 and re-precipitation process of 2-MeIM-inserted Co-Ni LDHs, a series of heterogeneous ZIF-67@Co-Ni LDH polyhedra with controllable void space and final hollow Co. Ni LDH polyhedra were obtained through in situ transformation. Typical core-shelled ZIF-67@Co-Ni LDHs, yolk-shelled ZIF-67@Co-Ni LDHs, hollow Co-Ni LDHs, and conventional ZIF-67 were calcined to obtain the derivatives that inherit the morphological characteristics of their corresponding precursors. Due to structural and compositional advantages, the derived core-shelled heterogeneous carbon-based framework composed of a cobalt particle anchored graphitic mesoporous N-doped carbon core and partially reduced Co- Ni layered double oxide (LDO) embedded shell of edge-to-face stacking defective carbon nanosheets exhibited outstanding physical and chemical properties required for high-performance sulfur carrier materials. When employed as a sulfur host, this multifunctional core-shelled carbonaceous derivative smoothly promoted the "immobilization-diffusion conversion-deposition" process of polysulfides. The as-fabricated sulfur cathode exhibited a remarkably improved electrochemical performance with a high initial discharge specific capacity of 1140 mA h g s(-1) at 0.2C and a high retention of 769 mA h g s(-1) after 400 cycles at 1C, demonstrating its high utilization of sulfur and effective suppression of the "shuttle effect".
DOI10.1039/d0dt02442b
Language英语
WOS KeywordMETAL-ORGANIC FRAMEWORKS ; HIGH-PERFORMANCE ; ELECTROCHEMICAL PERFORMANCE ; P-NITROPHENOL ; DOPED CARBON ; LITHIUM ; HYBRID ; COBALT ; ANODE ; MICROSPHERES
Funding Project100 Talents Program of the Chinese Academy of Sciences ; National Science Foundation of China[51772296] ; National Science Foundation of China[51672276] ; Foundation for the State Key Laboratory of Biochemical Engineering ; Fundamental Research Funds for the Central Universities, JLU
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear
Funding Organization100 Talents Program of the Chinese Academy of Sciences ; National Science Foundation of China ; Foundation for the State Key Laboratory of Biochemical Engineering ; Fundamental Research Funds for the Central Universities, JLU
WOS IDWOS:000571979900020
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/42201
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Bao; Guo, Xiaodong
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Sichuan Univ, Sch Chem Engn, Chengdu 610065, Peoples R China
3.Jilin Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Automobile Mat, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Li, Hongtai,Jin, Quan,Zhao, Jie,et al. Rational synthesis of a ZIF-67@Co-Ni LDH heterostructure and derived heterogeneous carbon-based framework as a highly efficient multifunctional sulfur host[J]. DALTON TRANSACTIONS,2020,49(36):12686-12694.
APA Li, Hongtai,Jin, Quan,Zhao, Jie,Wang, Bao,&Guo, Xiaodong.(2020).Rational synthesis of a ZIF-67@Co-Ni LDH heterostructure and derived heterogeneous carbon-based framework as a highly efficient multifunctional sulfur host.DALTON TRANSACTIONS,49(36),12686-12694.
MLA Li, Hongtai,et al."Rational synthesis of a ZIF-67@Co-Ni LDH heterostructure and derived heterogeneous carbon-based framework as a highly efficient multifunctional sulfur host".DALTON TRANSACTIONS 49.36(2020):12686-12694.
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