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Electrochemical Polarization Part 1: Fundamentals and Corrosion (Presentation File)

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Version 2 2022-11-07, 04:38
Version 1 2022-10-31, 00:04
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posted on 2022-11-07, 04:38 authored by Kentaro KURATANI, Kazuhiro FUKAMI, Hiroaki TSUCHIYA, Hiroyuki USUI, Masanobu CHIKU, Shin-ichi YAMAZAKI

This supplementary material is a part of the presentation handout, pages 43–60, for the 51st Electrochemistry Workshop entitled “Fundamentals and New Approaches to Electrochemistry” organized by Kansai Branch of the Electrochemical Society of Japan on November 14–18, 2022 to be distributed at the workshop. / Polarization measurement is one of the major electrochemical methods used by electrochemists. The changes in current/potential with time at constant potential/current are investigated. The outcomes of these observations can be used to plot a current–potential curve. Therefore, it is important to understand the relationship between the three parameters: electrode potential, current, and time. In this paper, we described the fundamentals of the polarization, especially the current–potential curve (Butler–Volmer equation) and mass-transfer. In addition, the concept of polarization in corrosion reactions is explored. 

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Corresponding author email address

k-kuratani@aist.go.jp

Translated title

2.分極曲線の考え方~腐食,ナトリウムイオン電池,電気二重層キャパシタ,燃料電池~(その1)

Translated description

第51回電気化学講習会「電気化学の基礎と新しいアプローチ」 (主催:電気化学会関西支部・2022年11月14–18日) 配付資料, pp.43–60 / 分極測定は、電気化学者が用いる主要な電気化学的手法の一つである.一定の電位下における電圧,一定の電流下における電位の時間的変化を測定する。これらの観測結果は電流-電位曲線のプロットとして利用できる。したがって,電極電位・電流・時間の3つのパラメーターの関係を理解することが重要である.本論文では分極の基礎知識,特に電流-電位曲線(Butler–Volmer方程式)と物質移動について述べた.さらに腐食反応における分極の概念について検討した結果を述べる.

Translated authors

倉谷健太郎・深見一弘・土谷博昭・薄井洋行・知久昌信・山崎眞一

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© 2022 The Author(s).

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