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Electrochem, Volume 2, Issue 4

2021 December - 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
4,777 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
5,313 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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
  • Article
  • Open Access
98 Citations
7,906 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 and ,
  • Michael Fowler and
  • Roydon Fraser
  • + 1 author+ 0 author

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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
  • Article
  • Open Access
6 Citations
5,327 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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
  • Article
  • Open Access
5 Citations
4,265 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...

(This article belongs to the Topic Electromaterials for Environment & Energy)
  • Review
  • Open Access
9 Citations
7,709 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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
  • Review
  • Open Access
21 Citations
9,531 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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
  • Article
  • Open Access
19 Citations
6,569 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 and ,
  • Philippe Marcus and
  • Jolanta Światowska
  • + 1 author+ 0 author

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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
  • Article
  • Open Access
8 Citations
4,746 Views
12 Pages

Synthesis and Characterization of Supercapacitor Materials from Soy

  • Iris Denmark,
  • Amna Khan,
  • Taylor Scifres,
  • Tito Viswanathan and ,
  • Fumiya Watanabe and
  • Noureen Siraj
  • + 1 author+ 0 author

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...

(This article belongs to the Special Issue Feature Papers in Electrochemistry)
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Electrochem - ISSN 2673-3293