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Electrocatalysis driven high energy density Li-ion polysulfide battery

https://doi.org/10.1016/j.electacta.2019.03.191

Sawas, Abdulrazzag ; Babu, Ganguli ; Thangavel, Naresh Kumar ; Arava, Leela Mohana ( June 2019 , Electrochimica Acta)

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CVD-Grown MoSe 2 Nanoflowers with Dual Active Sites for Efficient Electrochemical Hydrogen Evolution Reaction

https://doi.org/10.1021/acsami.8b07489

Masurkar, Nirul ; Thangavel, Naresh Kumar ; Arava, Leela Mohana ( July 2018 , ACS Applied Materials & Interfaces)

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Two-Dimensional Material-Reinforced Separator for Li–Sulfur Battery

https://doi.org/10.1021/acs.jpcc.8b02633

Babu, Ganguli ; Sawas, Abdulrazzag ; Thangavel, Naresh Kumar ; Arava, Leela Mohana ( April 2018 , The Journal of Physical Chemistry C)

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Facile synthesis of electrocatalytically active NbS 2 nanoflakes for an enhanced hydrogen evolution reaction (HER)

https://doi.org/10.1039/C7SE00376E

Gopalakrishnan, Deepesh ; Lee, Andrew ; Thangavel, Naresh Kumar ; Reddy Arava, Leela Mohana ( January 2018 , Sustainable Energy & Fuels)

We report a simple ambient pressure annealing technique for the synthesis of ultrathin niobium disulfide (NbS 2 ) nanoflakes. The structure, morphology and composition of the as-synthesized NbS 2 flakes are well characterized using various microscopic and spectroscopic techniques. The synthesized two-dimensional layered NbS 2 is in stoichiometric proportion, and has a single crystal 3R-NbS 2 polymorph structure with semiconducting behavior and has abundant catalytic defect sites. In this paper, the hydrogen evolution reaction (HER) activity of the NbS 2 nanoflakes/rGO composite having dense exposed basal planes with improved conductivity is explored, and it is found to be a good HER catalyst in terms of low onset potential, low Tafel slope and high exchange current density.
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