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Electrochem, Volume 2, Issue 4

December 2021 - 9 articles

Cover Story: Measured DLCs were neither satisfied with the Stern model nor the Gouy–Chapman theory. Our model assumes that salts destroy hydrogen bonds at the electrode|solution interface to orient water dipoles toward the external electric field. A degree of orientation depends on the interaction energy between the salt ion and a water dipole. The observed DLC took the Langmuir-type in relation with concentration. The interaction energy for eight kinds of salts showed a linear relation with the energy of ion-solvent for viscosity, called the B-coefficient. View this paper.
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Articles (9)

  • Review
  • Open Access
6 Citations
4,000 Views
12 Pages

20 December 2021

π-conducting materials such as chiral polythiophenes exhibit excellent electrochemical stability in doped and undoped states on electrode surfaces (chiral electrodes), which help tune their physical and electronic properties for a wide range of us...

  • Review
  • Open Access
4,583 Views
13 Pages

18 December 2021

Silicon (Si) is a promising anode material to realize many-fold higher anode capacity in next-generation lithium-ion batteries (LIBs). Si electrochemistry has strong dependence on the property of the Si interface, and therefore, Si surface engineerin...

  • Article
  • Open Access
97 Citations
6,528 Views
21 Pages

Coupled Electrochemical-Thermal Simulations and Validation of Minichannel Cold-Plate Water-Cooled Prismatic 20 Ah LiFePO4 Battery

  • Chaithanya Akkaldevi,
  • Sandeep Dattu Chitta,
  • Jeevan Jaidi,
  • Satyam Panchal,
  • Michael Fowler and
  • Roydon Fraser

22 November 2021

This paper discusses the quantitative validation carried out on a prismatic 20 Ah LiFePO4 battery sandwiched between two minichannel cold-plates with distributed flow having a single U-turn. A two-way coupled electrochemical-thermal simulations are p...

  • Article
  • Open Access
4 Citations
4,088 Views
12 Pages

18 November 2021

Variations of the double layer capacitances (DLCs) at a platinum electrode with concentrations and kinds of salts in aqueous solutions were examined in the context of facilitating orientation of solvent dipoles. With an increase in ionic concentratio...

  • Article
  • Open Access
5 Citations
3,812 Views
27 Pages

Fault Structural Analysis Applied to Proton Exchange Membrane Fuel Cell Water Management Issues

  • Etienne Dijoux,
  • Nadia Yousfi Steiner,
  • Michel Benne,
  • Marie-Cécile Péra and
  • Brigitte Grondin-Perez

1 November 2021

Proton exchange membrane fuel cells are relevant systems for power generation. However, they suffer from a lack of reliability, mainly due to their structural complexity. Indeed, their operation involves electrochemical, thermal, and electrical pheno...

  • Review
  • Open Access
7 Citations
5,996 Views
14 Pages

22 October 2021

This mini-review presents a short account of materials with exceptional activity towards oxygen reduction reaction. Two main classes of catalytic materials are described, namely platinum group metal (PGM) catalyst and Non-precious metal catalyst. The...

  • Review
  • Open Access
17 Citations
7,237 Views
27 Pages

21 October 2021

Metal/carbon nanotube (CNT) composites are promising functional materials due to the various superior properties of CNTs in addition to the characteristics of metals, and consequently, many fabrication processes of these composites have been vigorous...

  • Article
  • Open Access
11 Citations
4,853 Views
17 Pages

Effect of Cr Content on Corrosion Resistance of Low-Cr Alloy Steels Studied by Surface and Electrochemical Techniques

  • Alicja Łukaszczyk,
  • Jacek Banaś,
  • Marcin Pisarek,
  • Antoine Seyeux,
  • Philippe Marcus and
  • Jolanta Światowska

18 October 2021

The electrochemical behavior of low alloyed Fe-Cr steels with 3 and 5% wt. of Cr in neutral Na2SO4 electrolyte combined with a detailed chemical and morphological characterization of these alloys performed by Auger electron spectroscopy, X-ray photoe...

  • Article
  • Open Access
7 Citations
4,079 Views
12 Pages

Synthesis and Characterization of Supercapacitor Materials from Soy

  • Iris Denmark,
  • Amna Khan,
  • Taylor Scifres,
  • Tito Viswanathan,
  • Fumiya Watanabe and
  • Noureen Siraj

14 October 2021

Renewable resources and their byproducts are becoming of growing interest for alternative energy. Here, we have demonstrated the use of Arkansas’ most important crop, soy, as a carbon precursor for the synthesis of carbonized activated materials for...

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Electrochem - ISSN 2673-3293