A general salt-templating method to fabricate vertically aligned graphitic carbon nanosheets and their metal carbide hybrids for superior lithium ion batteries and water splitting

Jixin Zhu, Ken Sakaushi, Guylhaine Clavel, Menny Shalom, Markus Antonietti, Tim Patrick Fellinger

Research output: Contribution to journalArticlepeer-review

259 Scopus citations

Abstract

The synthesis of vertically aligned functional graphitic carbon nanosheets (CNS) is challenging. Herein, we demonstrate a general approach for the fabrication of vertically aligned CNS and metal carbide@CNS composites via a facile salt templating induced self-assembly. The resulting vertically aligned CNS and metal carbide@CNS structures possess ultrathin walls, good electrical conductivity, strong adhesion, excellent structural robustness, and small particle size. In electrochemical energy conversion and storage such unique features are favorable for providing efficient mass transport as well as a large and accessible electroactive surface. The materials were tested as electrodes in a lithium ion battery and in electrochemical water splitting. The vertically aligned nanosheets exhibit remarkable lithium ion storage properties and, concurrently, excellent properties as electrocatalysts for hydrogen evolution.

Original languageEnglish
Pages (from-to)5480-5485
Number of pages6
JournalJournal of the American Chemical Society
Volume137
Issue number16
DOIs
StatePublished - 29 Apr 2015
Externally publishedYes

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