Electrochemical contributions: Marcel Pourbaix (1904–1998)

IF 2.9 Q2 ELECTROCHEMISTRY Electrochemical science advances Pub Date : 2023-01-06 DOI:10.1002/elsa.202200015
Evgeny Katz
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Abstract

Marcel Pourbaix (Figure 1) was a Belgian chemist (born in Russia) who greatly contributed to studies on corrosion. His biggest achievement is the derivation of potential-pH diagrams, better known as “Pourbaix Diagrams” (Figure 2a). Pourbaix Diagrams are thermodynamic charts constructed using the Nernst equation. They visualize the relationship between possible redox states of a system, bounded by lines representing the reactions between them under thermodynamic equilibrium. The Pourbaix diagrams can be read much like phase diagrams. In 1963, Pourbaix produced “Atlas of Electrochemical Equilibria in Aqueous Solutions” (Figure 2b), which contains potential-pH diagrams for all elements known at the time. Pourbaix and his collaborators began preparing the work in the early 1950s and continued the diagram updates over many years.

The author declares no conflict of interest.

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电化学贡献:Marcel Pourbaix (1904-1998)
Marcel Pourbaix(图1)是一位出生于俄罗斯的比利时化学家,他对腐蚀的研究做出了巨大贡献。他最大的成就是推导出电位- ph图,更广为人知的是“Pourbaix图”(图2a)。Pourbaix图是用能斯特方程构造的热力学图。他们可视化了系统中可能的氧化还原状态之间的关系,并用代表它们之间在热力学平衡下的反应的线为界。Pourbaix图可以像相图一样阅读。1963年,Pourbaix制作了“水溶液中电化学平衡图谱”(图2b),其中包含了当时已知的所有元素的电位ph图。Pourbaix和他的合作者在20世纪50年代初开始准备这项工作,并在多年的时间里继续更新图表。作者声明不存在利益冲突。
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CiteScore
3.80
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审稿时长
10 weeks
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