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  • Article
  • Open Access
175 Views
17 Pages

Yttrium-Enhanced Passive Films in Austenitic Stainless Steel

  • Maksym Bichev,
  • Denis Miroshnichenko,
  • Sergey Nesterenko,
  • Leonid Bannikov,
  • Leonid Saienko,
  • Volodymyr Tertychnyi,
  • Vladislav Reivi,
  • Kyrylo Serkiz and
  • Mariia Shved

It has been demonstrated that a monomolecular surface film with semiconducting characteristics forms on an austenitic, corrosion- and heat-resistant chromium–nickel steel with 0.10 wt.% C, 20 wt.% Cr, 9 wt.% Ni, and 6 wt.% Mn (10Kh20N9G6), micr...

  • Article
  • Open Access
152 Views
12 Pages

Ageing and Water Detection in Hydroscopic Organic Electrolytes

  • Eva Alonso-Muñoz,
  • Janwa El Maiss,
  • Wejdene Gongi,
  • Divya Balakrishnan,
  • Delphine Faye,
  • Karine Mougin and
  • César Pascual García

Electrolyte degradation and trace water contamination critically affect the lifetime and safety of lithium-ion batteries. In organic-based electrolytes such as acetonitrile (MeCN), even small amounts of water can trigger PF6 hydrolysis, produc...

  • Article
  • Open Access
402 Views
15 Pages

Synthesis and Structural Characterization of Ni/Mn-Doped Co-RGO Composites for Supercapacitor Electrodes

  • Andriono Manalu,
  • Moraida Hasanah,
  • Winfrontstein Naibaho,
  • Mario Geraldi Simanjuntak and
  • Maren Sius Girsang

In this study, Ni/Mn-doped cobalt–reduced graphene oxide (Co-RGO) composites were successfully synthesized as advanced electrode materials for supercapacitors. The structural and morphological properties of the composites were characterized usi...

  • Article
  • Open Access
482 Views
18 Pages

Experimental-Based Optimal Parameter Extraction for PEM Fuel Cell Semi-Empirical Model Using the Cloud Drift Optimization Algorithm

  • Mohamed A. El-Hameed,
  • Mahmoud M. Elkholy,
  • Mahfouz Saeed,
  • Adnan Kabbani,
  • Essa Al-Hajri and
  • Mohammed Jufaili

Accurate modeling of proton exchange membrane fuel cells (PEMFCs) is essential for predicting system performance under diverse operating conditions. This study introduces a refined semi-empirical modeling that combines experimental validation with an...

  • Review
  • Open Access
1 Citations
1,326 Views
22 Pages

As demand for high-performance energy storage grows across grid and mobility sectors, multivalent ion batteries (MVIBs) have emerged as promising alternatives to lithium-based systems due to their potential for higher volumetric energy density and ma...

  • Article
  • Open Access
543 Views
20 Pages

Yttrium–magnesium alloys are commonly employed as processing additives in magnesium alloy materials. Incorporating yttrium into magnesium alloys via Y-Mg intermediate alloys not only minimizes oxidation and burn-off loss but also simplifies ope...

  • Article
  • Open Access
551 Views
16 Pages

Influence of a Plasma Nitriding Treatment on the Corrosion Behavior of API 5L X70 Steel in Simulated Soil Solution

  • O. A. González Noriega,
  • A. Flores Nicolás,
  • J. Uruchurtu Chavarín,
  • A. Torres Islas,
  • E. C. Menchaca Campos and
  • H. Martínez Valencia

In this work, plasma nitriding was carried out to improve the corrosion resistance of API 5L X70 steel. The process was conducted at different treatment times, 4, 6, 8, and 10 h, to determine which one provides greater resistance to corrosion. The co...

  • Article
  • Open Access
945 Views
16 Pages

A New Hope for All-Diamond Electrodes? The Interdigitated Double Diamond Electrode

  • Manuel Zulla,
  • Carolin Messerschmidt,
  • Hanadi Ghanem,
  • Johannes Bähr,
  • Lukas Hegemann and
  • Stefan Rosiwal

Nowadays, the development of efficient water treatment processes is increasingly driven by the need to provide solutions for contaminants of emerging concern. Electrochemical advanced oxidation processes (EAOPs) based on diamond electrodes can be par...

  • Review
  • Open Access
1,405 Views
23 Pages

Surface modification of nucleic acid-based electrochemical biosensors has been at the forefront of research since their inception. Effective modification ensures the optimization of the sensitivity, specificity, and stability of modern biosensors. Re...

  • Article
  • Open Access
864 Views
18 Pages

Defect Engineering and Na-Ion Transport in NaMnPO4: A Computational Perspective

  • G. M. P. Dananjana Galappaththi,
  • Poobalasingam Abiman,
  • Poobalasuntharam Iyngaran and
  • Navaratnarajah Kuganathan

Rechargeable sodium-ion batteries (SIBs) have attracted considerable attention owing to the natural abundance and accessibility of sodium. Maricite NaMnPO4, a phosphate-based cathode material with high theoretical capacity, suffers from blocked sodiu...

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Electrochem - ISSN 2673-3293