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For improving the reversible capacity and long\u2010term cycle stability of COF materials, we propose a GQDs modified COF material (COF\u2010GQDs) and apply it as the anode for LIBs for the first time. This COF\u2010GQDs electrode delivers enhanced long\u2010term cycling performance with a large capacity of \u223c820\u2005mAh\u2009g<jats:sup>\u22121<\/jats:sup> after 300 cycles at 100\u2005mA\u2009g<jats:sup>\u22121<\/jats:sup> and an improved rate performance. The enhanced lithium\u2010storage performance, in terms of obvious\u2010shortened activation process and high reversible capacities, can be attributed to the modification of carboxyl GQDs, which would activate more active sites (activated C=C groups from benzene rings) for lithium\u2010storage, and provide fast lithium\u2010ion transportation kinetic. Besides, the decreased interphase resistance, enhanced electronic conductivity, and prevented aggregation of needle\u2010flake COF structure, originated from the addition of GQDs, which lead to the enhanced improved cycling stability of the COF\u2010GQDs electrode. This manuscript can promote the further exploration on the design of COF\u2010related materials with modification of functionalized carbonaceous materials to achieve enhanced lithium\u2010storage properties for next\u2010generation energy storage.<\/jats:p>","DOI":"10.1002\/chem.202103901","type":"journal-article","created":{"date-parts":[[2022,1,13]],"date-time":"2022-01-13T22:43:09Z","timestamp":1642113789000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Functionalized Graphene Quantum Dots Modified Dioxin\u2010Linked Covalent Organic Frameworks for Superior Lithium Storage"],"prefix":"10.1002","volume":"28","author":[{"given":"Han","family":"Wang","sequence":"first","affiliation":[{"name":"School of Environmental and Chemical Engineering Shanghai University  99 Shangda Road Shanghai 200444 P. R. 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