A general method of fabricating flexible spinel-type oxide/reduced graphene oxide nanocomposite aerogels as advanced anodes for lithium-ion batteries

ACS Nano
Guobo ZengMarkus Niederberger

Abstract

High-capacity anode materials for lithium ion batteries (LIBs), such as spinel-type metal oxides, generally suffer from poor Li(+) and e(-) conductivities. Their drastic crystal structure and volume changes, as a result of the conversion reaction mechanism with Li, severely impede the high-rate and cyclability performance toward their practical application. In this article, we present a general and facile approach to fabricate flexible spinel-type oxide/reduced graphene oxide (rGO) composite aerogels as binder-free anodes where the spinel nanoparticles (NPs) are integrated in an interconnected rGO network. Benefiting from the hierarchical porosity, conductive network and mechanical stability constructed by interpenetrated rGO layers, and from the pillar effect of NPs in between rGO sheets, the hybrid system synergistically enhances the intrinsic properties of each component, yet is robust and flexible. Consequently, the spinel/rGO composite aerogels demonstrate greatly enhanced rate capability and long-term stability without obvious capacity fading for 1000 cycles at high rates of up to 4.5 A g(-1) in the case of CoFe2O4. This electrode design can successfully be applied to several other spinel ferrites such as MnFe2O4, Fe3O4, ...Continue Reading

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Citations

Jun 9, 2016·ACS Applied Materials & Interfaces·Ayeong ByeonYury Gogotsi
Feb 6, 2017·Angewandte Chemie·Christoph ZieglerAlexander Eychmüller
Oct 16, 2018·Advanced Materials·Dong Sung ChoiSang Ouk Kim
Jan 24, 2018·Scientific Reports·Sheng-Kai TongDa-Hua Wei
Aug 9, 2019·Small·Franziska LübkemannNadja C Bigall
Jan 1, 2017·ChemPlusChem·Mario Bärtsch, Markus Niederberger
Sep 15, 2016·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Pan XiongXin Wang
Jan 1, 2017·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Felix Rechberger, Markus Niederberger
Jan 14, 2021·Carbohydrate Polymers·Fanshu YuanDongping Sun
Jun 2, 2021·ACS Applied Materials & Interfaces·Peer BärmannJesus Gonzalez-Julian
Jul 19, 2021·Advances in Colloid and Interface Science·Hong QinChanglin Wang
Dec 31, 2020·ACS Applied Materials & Interfaces·Chanhoon KimIl-Doo Kim
Nov 5, 2016·Inorganic Chemistry·Chandra Sekhar BonguKalaiselvi Nallathamby
Sep 4, 2021·Nanoscale·Dragana ParipovićHolger Frauenrath

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