http://www.cnr.it/ontology/cnr/individuo/prodotto/ID311435
Electrochemically exfoliated graphene oxide/iron oxide composite foams for lithium storage, produced by simultaneous graphene reduction and Fe(OH)3 condensation (Articolo in rivista)
- Type
- Label
- Electrochemically exfoliated graphene oxide/iron oxide composite foams for lithium storage, produced by simultaneous graphene reduction and Fe(OH)3 condensation (Articolo in rivista) (literal)
- Anno
- 2015-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.carbon.2014.12.007 (literal)
- Alternative label
Xia, Zhenyuan; Wei, Di; Anitowska, Elzbieta; Bellani, Vittorio; Ortolani, Luca; Morandi, Vittorio; Gazzano, Massimo; Zanelli, Alberto; Borini, Stefano; Palermo, Vincenzo (2015)
Electrochemically exfoliated graphene oxide/iron oxide composite foams for lithium storage, produced by simultaneous graphene reduction and Fe(OH)3 condensation
in Carbon
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Xia, Zhenyuan; Wei, Di; Anitowska, Elzbieta; Bellani, Vittorio; Ortolani, Luca; Morandi, Vittorio; Gazzano, Massimo; Zanelli, Alberto; Borini, Stefano; Palermo, Vincenzo (literal)
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- http://www.scopus.com/record/display.url?eid=2-s2.0-84922228793&origin=inward (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto Per La Sintesi Organica E La Fotoreattivita, Bologna; Nokia; Universita degli Studi di Pavia; Consiglio Nazionale delle Ricerche (literal)
- Titolo
- Electrochemically exfoliated graphene oxide/iron oxide composite foams for lithium storage, produced by simultaneous graphene reduction and Fe(OH)3 condensation (literal)
- Abstract
- We describe the production of graphene-based composites for energy storage, obtained by a combination of electrochemical and solution processing techniques. Electrochemically exfoliated graphene oxide sheets (EGO) are produced using an original setup that allows fast expansion of graphite flakes and efficient exfoliation of expanded graphite via an electrochemical route. The sheets are deposited on a sacrificial nickel foam together with an iron hydroxide colloidal precursor. Calcination treatment simultaneously renders the EGO foam conductive and transforms Fe(OH)3 into hematite (a-Fe2O3), yielding a nanoporous Fe2O3 layer on the surface of the mesoporous EGO foam, creating an ideal structure for
lithium storage. The obtained graphene/metal oxide hybrid is a continuous, electrically conductive three-dimensional (3D) composite featuring a hierarchical meso-nano porous structure. A systematic study of these composites, varying the Fe2O3:EGO ratio, is then performed to maximize their performance as nanostructured electrodes in standard coin cell batteries (literal)
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