Flexible Carbon Nanotube–Cu 2 O Hybrid Electrodes for Li‐Ion Batteries | Zendy

Goyal Anubha | Zendy; Reddy Arava L. M. | Zendy; Ajayan Pulickel M. | Zendy

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Flexible Carbon Nanotube–Cu 2 O Hybrid Electrodes for Li‐Ion Batteries

Author(s) -

Goyal Anubha,

Reddy Arava L. M.,

Ajayan Pulickel M.

Publication year - 2011

Publication title -

small

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.785

H-Index - 236

eISSN - 1613-6829

pISSN - 1613-6810

DOI - 10.1002/smll.201002051

Subject(s) - materials science , carbon nanotube , nanocomposite , electrolyte , electrode , separator (oil production) , chemical engineering , oxide , polymer , coating , nanotube , fluoride , nanotechnology , composite material , inorganic chemistry , metallurgy , chemistry , physics , engineering , thermodynamics

This study demonstrates the formation of a flexible and free‐standing carbon nanotube–copper oxide–poly(vinylidene fluoride) (CNT–Cu 2 O–PVDF) nanocomposite and its application as an electrode‐separator material for Li‐ion batteries. Binder‐free hybrid electrodes are obtained by conformally coating CNTs with Cu 2 O via electrodeposition and then embedding the resulting architecture into a porous poly(vinylidene fluoride‐hexafluoropropylene) PVDF‐HFP–SiO 2 polymer electrolyte membrane. The synergistic presence of high‐capacity transition metal oxides and conductive CNTs results in twice the reversible areal capacity of 2.3 mAh cm −2 as compared to 1.2 mAh cm −2 for pure CNTs.

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