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Cutting-Edge Technologies in Nanomaterials and Polymers for Energy, Environment and Biomedical Applications: Celebrating the 76th Anniversary of Yeungnam University

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (15 April 2024) | Viewed by 1540

Special Issue Editors

School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
Interests: polymer composites; rheology; polymer processing; nanomaterials
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
Interests: electrocatalysts; ion exchange membranes; water electrolysis; fuel cells; flow batteries
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In 2022, Yeungnam University, Republic of Korea, celebrated its 75th anniversary. The prestigious Yeungnam University is known for its commitment  to research and its inventiveness. Novel structures and a combination of nanomaterials and polymers are mandatory for constructing high-performance, reliable systems and materials for energy, environment, and biomedical applications. Thus, research worldwide involves numerous efforts in nanomaterials and polymeric materials to attain phenomenal benefits. In this perspective, we invite the leading researchers/professors/technologists to contribute their manuscripts covering the topics of the following: developments of novel polymer materials, polymer blends, composites, reinforcement, cross-linking, ion exchange, membranes, separators, hydrogels, conductive polymers, bio-derived polymers and electrode materials, heterostructure nanomaterials, hetero-atom doped nanomaterials, the new composite of electrode materials, and core–shell structures. Examples of applications within the Special Issue’s scope include, but are not limited to: water splitting; hydrogen production; secondary batteries; fuel cells; supercapacitors; renewable energy systems; sensors; water filtration and purification; pollutant degradation/removal; polymer processing; and biomedical applications.

Dr. Taehwan Oh
Dr. Sadhasivam Thangarasu
Guest Editors

Manuscript Submission Information

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Keywords

  • polymer nanocomposites
  • hybrid Nanocomposite
  • electrocatalysts
  • hydrogels
  • electrode materials
  • membranes
  • separators
  • heterostructures

Published Papers (1 paper)

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Research

14 pages, 4229 KiB  
Article
Fe2O3/Ni Nanocomposite Electrocatalyst on Cellulose for Hydrogen Evolution Reaction and Oxygen Evolution Reaction
by Sadhasivam Thangarasu, Nimisha Baby, Mrunal Bhosale, Jaeman Lee, Changseong Jeong and Tae-Hwan Oh
Int. J. Mol. Sci. 2023, 24(22), 16282; https://doi.org/10.3390/ijms242216282 - 14 Nov 2023
Cited by 1 | Viewed by 973
Abstract
A key challenge in the development of sustainable water-splitting (WS) systems is the formulation of electrodes by efficient combinations of electrocatalyst and binder materials. Cellulose, a biopolymer, can be considered an excellent dispersing agent and binder that can replace high-cost synthetic polymers to [...] Read more.
A key challenge in the development of sustainable water-splitting (WS) systems is the formulation of electrodes by efficient combinations of electrocatalyst and binder materials. Cellulose, a biopolymer, can be considered an excellent dispersing agent and binder that can replace high-cost synthetic polymers to construct low-cost electrodes. Herein, a novel electrocatalyst was fabricated by combining Fe2O3 and Ni on microcrystalline cellulose (MCC) without the use of any additional binder. Structural characterization techniques confirmed the formation of the Fe2O3–Ni nanocomposite. Microstructural studies confirmed the homogeneity of the ~50 nm-sized Fe2O3–Ni on MCC. The WS performance, which involves the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER), was evaluated using a 1 M KOH electrolyte solution. The Fe2O3–Ni nanocomposite on MCC displayed an efficient performance toward lowering the overpotential in both the HER (163 mV @ 10 mA cm−2) and OER (360 mV @ 10 mA cm−2). These results demonstrate that MCC facilitated the cohesive binding of electrocatalyst materials and attachment to the substrate surface. In the future, modified cellulose-based structures (such as functionalized gels and those dissolved in various media) can be used as efficient binder materials and alternative options for preparing electrodes for WS applications. Full article
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