Abstract

The nitrogen doped graphene was synthesized by hydrothermal route utilizing 2-Chloroethylamine hydrochloride as nitrogen precursor in the presence of graphene oxide (GO). Nitrogen-doped graphene material is developed for its application in hydrogen storage at room temperature. Nitrogen doped graphene layered material shows ~1.5 wt% hydrogen storage capacity achieved at room temperature and 90 bar pressure.

Highlights

  • The low-cost, environmentally acceptable and superior energy storage materials have been under constant search in recent times [1] [2]

  • We report an approach to realize the synthesis of heteroatom (N) doped graphene material at a large scale by stepwise hydrothermal reaction that takes place at low temperature (180 ̊C) under ambient pressure in an autoclave followed by thermal annealing at (500 ̊C) of 2-Chloroethylamine hydrochloride as source of nitrogen coordinated with graphitic oxide (GO) under an inert atmosphere

  • 2 g of Graphitic oxide was taken into a beaker and was diluted with 50 mL of deionized water 6.5 g of 2-Chloroethylamine hydrochloride was added into the Graphitic Oxide (GO) dispersion under sonication for 2 hours and the mixture stirred for 12 hours under room temperature

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Summary

Introduction

The low-cost, environmentally acceptable and superior energy storage materials have been under constant search in recent times [1] [2]. The concern for green energy sources and over utilization of fossil fuels has prompted in creating hydrogen energy from renewable sources [3]. The first step in developing novel and nanostructured materials is in advanced stage in energy research. The second step is reversible hydrogen storage in suitable materials or adsorbed on appropriate surfaces which require several issues to be solved [5]. A significant application is in hydrogen-fueled vehicles [6]. The storage capacity for possible commercial utilization of hydrogen as energy source is 6.5 wt% as postulated by US-DOE (Department of energy) [7]. The US-department of energy has challenged energy storage research scientists to accomplish onboard vehicle hydrogen storage systems with 5.5 wt% hydrogen in 2020 with the ultimate target of

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Materials
Experimental Method
The Nitrogen-Doped Graphene Material Was Synthesized as Follows
Physical Characterization
X-Ray Diffraction Patterns
FT-IR Spectra Analysis
Raman Spectroscopy
Conclusion
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