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- W3120227776 abstract "We developed a coordination-driven hierarchical assembly strategy for in-situ modification of guanosine supramolecular gels with homogeneously dispersed ZIF-67 to enhance the nanofiber framework stability, resulting in the first example of SMG/MOF composites with superior oxygen reduction reaction activity and potential application in rechargeable Zn–air battery. • A hierarchical assembly strategy is firstly developed to synthesis SMG/MOF composite. • The framework stability of SMG is enhanced by the homogeneously dispersed ZIF-67. • The SMG/MOF composite exhibited potential application in rechargeable Zn–air battery. Nanostructured gels have emerged as a unique material platform for energy-related applications and have been mainly focused on polymer gels in recent years. We developed a coordination-driven hierarchical assembly strategy for the general exploration of robustness supramolecular gel (SMG) materials as metal-organic framework (MOF) supports for further development of high efficiency oxygen reduction reaction electrocatalysts for rechargeable Zn–air batteries. As the first example of SMG/MOF composites, guanosine SMG (GSMG) fibres were modified by terpyridine ligands, cross-linked by Zn (II), and then anchored in-situ with ZIF-67 polyhedra to produce a special ZIF-67/Zn-GSMG heterostructure enriched in heteroatoms (B, N, C, Co, and Zn) and with a continuous rigid skeleton. Pyrolysis yielded cobalt-embedded porous carbon polyhedra/B,N dual-doped carbon nanofibers with superior oxygen reduction reaction activity, showing an exceptional potential for applications in rechargeable Zn–air batteries. The present work provides a new material platform for promising future design of functional multicomponent composites." @default.
- W3120227776 created "2021-01-18" @default.
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- W3120227776 date "2021-06-01" @default.
- W3120227776 modified "2023-09-24" @default.
- W3120227776 title "Conferring supramolecular guanosine gel nanofiber with ZIF-67 for high-performance oxygen reduction catalysis in rechargeable zinc–air batteries" @default.
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- W3120227776 doi "https://doi.org/10.1016/j.apcatb.2021.119888" @default.
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