Journal
NANO ENERGY
Volume 13, Issue -, Pages 346-354Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2015.02.015
Keywords
Nanofibrittated cellulose; Dispersant; Two-dimensional material; Films/fibers; Sodium ion battery
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Funding
- DOD (Air Force Office of Scientific Research) Young Investigator Program [FA95501310143]
- University of Maryland, College Park
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Graduate Student Innovation Program of the Jiangsu Province [CXLX12_0531]
- National Natural Science Foundation of China [31470599]
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The exfoliation/dispersion of two-dimensional (2D) materials is of great importance due to their unique properties and applications in electronics as well as energy storage devices. In this paper, we address the challenge of dispersing 2D materials in a scalable and environmentally friendly way. A methodology to efficiently disperse 2D materials [boron nitride (BN) and molybdenum disulfide (MOS2)] in an aqueous solution using a green dispersant, nanofibrillated cellulose (NEC), was introduced. The stable high concentration BN/MoS2 aqueous solutions allow the formation of multifunctional composites and may facilitate roll-to-roll manufacturing. Films and fibers with excellent mechanical strength were fabricated with the BN solution. Additionally, strong and flexible MoS2 films were prepared and used as anodes for sodium ion batteries, indicating flexible battery applications. (C) 2015 Elsevier Ltd. All rights reserved.
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