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Electrochem, Volume 7, Issue 1

2026 March - 6 articles

Cover Story: Trace water and electrolyte ageing critically impact the stability and safety of lithium-ion battery systems. In acetonitrile-based electrolytes containing PF₆⁻ salts, moisture induces hydrolysis, generating corrosive protonic species (e.g., HF) that alter interfacial electrochemistry. Here, cyclic voltammetry is used to identify electrochemical signatures of water contamination and ageing in Bu₄NPF₆ and LiPF₆ systems. Distinct cathodic features between −0.7 and −1.0 V vs. Ag/AgCl are linked to proton-mediated reactions. By comparing flat, Nafion-coated, and nanostructured platinum electrodes, we demonstrate that surface morphology strongly enhances sensitivity, with nanostructured Pt enabling amplified detection of degradation processes and providing a pathway toward in situ electrolyte diagnostics. View this paper
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Articles (6)

  • Article
  • Open Access
3,080 Views
37 Pages

Molybdenum (Mo) is currently considered as a potential diffusion barrier material for copper (Cu) interconnects, and these interconnect structures are generally processed using the technique of chemical mechanical planarization (CMP). While a limited...

  • Article
  • Open Access
1 Citations
2,087 Views
20 Pages

Reaction Diffusion Modelling of 3D Pillar Electrodes in Single-Catalyst CO2 Reduction Cascades

  • Pablo Fernandez,
  • Marisé García-Batlle,
  • Bo Shang,
  • Hailiang Wang and ,
  • Gregory N. Parsons,
  • James F. Cahoon and
  • Rene Lopez
  • + 2 authors+ 0 author

Effective electrochemical CO2 reduction to liquid fuels requires that the local catalytic environment facilitates the desired reactivity, yet a microscopic understanding of this environment is difficult to achieve from experiment alone. In this work,...

(This article belongs to the Topic Electrocatalytic Advances for Sustainable Energy)
  • Article
  • Open Access
1 Citations
1,343 Views
16 Pages

The high reactivity of lanthanide metals poses a challenge to the electrochemical anodizing of surfaces for nanostructured coatings. This paper presents the first systematic experimental investigation of anodic oxidation of lanthanide gadolinium in a...

  • Article
  • Open Access
1 Citations
1,880 Views
17 Pages

Yttrium-Enhanced Passive Films in Austenitic Stainless Steel

  • Maksym Bichev,
  • Denis Miroshnichenko,
  • Sergey Nesterenko,
  • Leonid Bannikov and ,
  • Leonid Saienko,
  • Volodymyr Tertychnyi,
  • Vladislav Reivi,
  • Kyrylo Serkiz and
  • Mariia Shved
  • + 4 authors+ 0 author

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
1,835 Views
12 Pages

Ageing and Water Detection in Hydroscopic Organic Electrolytes

  • Eva Alonso-Muñoz,
  • Janwa El Maiss,
  • Wejdene Gongi,
  • Divya Balakrishnan and ,
  • Delphine Faye,
  • Karine Mougin and
  • César Pascual García
  • + 2 authors+ 0 author

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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
  • Article
  • Open Access
1 Citations
2,626 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...

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Electrochem - ISSN 2673-3293