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PhD Studentship: Flexible Inkjet-Printed Energy Storage Devices (HUIO_U19SCIC)

University of East Anglia - School of Mathematics

Qualification Type: PhD
Location: Norwich
Funding for: UK Students, EU Students
Funding amount: £14,777 per annum and £1,000 per annum to support research training.
Hours: Full Time
Placed On: 12th October 2018
Closes: 26th November 2018

Start date: 1/10/2019

Supervisor Dr Oscar (Kwan San) Hui

Project description

Applications are invited to Engineering at the School of Mathematics, UEA, for a PhD in the field of nanotechnology, electrochemistry and manufacturing for energy storage.

High performance electronics have accelerated the development of advanced energy storage device such as supercapacitors (SCs)) [1]. SCs have demonstrated higher power density, shorter charging time, longer cycle life, and better operational safety compared with some rechargeable batteries [2, 3]. However, practical applications of SCs are still seriously hindered due to the relatively poor performance of the electrode materials, such as low specific capacitance in carbon based materials and poor cycling stability in transition metal oxides, etc [4, 5].

This project aims to develop a novel inkjet-printed technology to print solid-state SCs on flexible substrates. The PhD candidate will prepare some nano-sized electrode materials with controllable physical, electrical and chemical properties.  The candidate will determine how the properties of the electrode materials influence the diffusion mechanism of gel electrolyte and the structural stability of the SCs. Finally, the candidate will evaluate the performance of the solid-state SCs in terms of specific capacity, rate performance, energy and power densities, and cycle life.

References

  1. H. Sun, L. Mei, J. Liang, Z. Zhao, C. Lee, H. Fei, M. Ding, J. Lau, M. Li, C. Wang, X. Xu, G. Hao, B. Papandrea, I. Shakir, B. Dunn, Y. Huang, X. Duan, "Three-dimensional holey-graphene/niobia composite architectures for ultrahigh-rate energy storage," Science, 356 (6338), pp. 599-604, 2017.
  2. K.H. Choi, J. Yoo, C.K. Lee, S.Y. Lee, "All-inkjet-printed, solid-state flexible supercapacitors on paper," Energy & Environmental Science, 9 (9), pp. 2812-2821, 2016.
  3. L. Li, K.S. Hui, K.N. Hui, T. Zhang, J. Fu, Y.-R. Cho, "High-performance solid-state flexible supercapacitor based on reduced graphene oxide/hierarchical core-shell Ag nanowire@NiAl layered double hydroxide film electrode," Chemical Engineering Journal, 348, pp. 338-349, 2018.
  4. S. Wu, K.S. Hui, K.N. Hui, "Carbon nanotube@manganese oxide nanosheet core-shell structure encapsulated within reduced graphene oxide film for flexible all-solid-state asymmetric supercapacitors," Carbon, 132, pp. 776-784, 2018.
  5. S. Liu, Y. Yin, K.S. Hui, K.N. Hui, S.C. Lee, S.C. Jun, "High-Performance Flexible Quasi-Solid-State Supercapacitors Realized by Molybdenum Dioxide@Nitrogen-Doped Carbon and Copper Cobalt Sulfide Tubular Nanostructures," Advanced Science, 1800733, 2018. https://doi.org/10.1002/advs.201800733

Person Specification Minimum entry requirement is UK 2:1. First degrees in Chemistry, Materials Science, Engineering and other related disciplines will be considered.

Funding notes

This PhD project is in a Faculty of Science competition for funded studentships. These studentships are funded for 3 years and comprise home/EU fees, an annual stipend of £14,777 and £1,000 per annum to support research training. Overseas applicants may apply but they are required to fund the difference between home/EU and overseas tuition fees (which for 2018-19 are detailed on the University’s fees pages at https://portal.uea.ac.uk/planningoffice/tuition-fees. Please note tuition fees are subject to an annual increase).

N.B. Early application is encouraged

   
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