Application of WSe2 Nanoparticles Synthesized by Chemical Vapor Condensation Method for Li-Ion Battery Anodes

Ekaterina Vasilyeva, Albert Nasibulin, Oleg Tolochko 1 , Andrey Rudskoy 1 , Anil Sachdev 4 ,  and Xingcheng Xiao 4
  • 1 Saint Petersburg State Polytechnic University, 29 Polytechnicheskaya, Saint Petersburg, 195251, Russia
  • 2 Aalto University School of Science, Puumiehenkuja 2, Espoo, Finland
  • 3 Skolkovo Institute of Science and Technology, 100 Novaya st., Skolkovo, 143025, Russia
  • 4 Material and Processes Lab, General Motors Research and Development Center, Warren, MI 48090-9055, USA


Crystalline low agglomerated tungsten diselenide (WSe2) nanoparticles were successfully produced by the aerosol synthesis method. The particle size and morphology were changed by process parameters. The products were characterized by X-ray diffraction and high-resolution transmission electron microscopy. The WSe2 nanoparticle morphology varies from a spherical shape to flake-like, layered structures. Usually, as-prepared particles consist of 5–7 single layers of WSe2. These as-synthesized WSe2 nanoparticles were used as anodes to assemble lithium-ion batteries. A high reversible capacity and very stable cycle performance can be obtained, implying that these WSe2 nanostructures could provide new types of electrode materials for rechargeable Li-ion batteries.

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Founded in 1887, the Zeitschrift für Physikalische Chemie covers the main developments in physical chemistry, placing with an emphasis on experimental research. It represents a combination ofdiscusses reaction kinetics and spectroscopy, surface research and electrochemistry, thermodynamics and the structure analysis of matter in its various conditions, among other topics.