V2EX anode

Anode

释义 Definition

阳极;正极:在电化学(如电池、电解)或电子器件中,发生氧化反应、电子从该电极流出的电极。常与 cathode(阴极) 相对。(在不同装置/工作状态下,“正极/负极”的叫法可能变化,但“阳极=氧化发生处”是更通用的定义。)

发音 Pronunciation (IPA)

/n.od/

例句 Examples

An anode attracts anions in an electrolytic cell.
在电解池中,阳极会吸引阴离子。

The engineers replaced the sacrificial anode to prevent the ship’s hull from corroding in seawater.
工程师更换了牺牲阳极,以防止船体在海水中腐蚀。

词源 Etymology

anode 来自希腊语:**ana-**(“向上、向前”)+ hodos(“路、路径”)。最初用于描述电流“进入”电解质的电极一侧(早期电学术语体系中“上行/出路”的意象),后来固定指电化学与电子学中的“阳极”。

相关词 Related Words

文学与著作举例 Literary Works

  • Encyclopaedia Britannica(相关“anode / cathode / electrolysis”条目中常出现)
  • The CRC Handbook of Chemistry and Physics(电化学与材料数据章节中常出现)
  • Electrochemical Methods: Fundamentals and Applications(A. J. Bard, L. R. Faulkner;教材/专著中高频出现)
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