electrolyzer

American  

[ih-lek-truh-lahy-zer] / ɪˈlɛk trəˌlaɪ zər /

especially British, electrolyser

noun

1. a system or device that uses electricity to split water molecules into hydrogen and oxygen, thereby producing hydrogen gas as a sustainable source of clean energy.

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Etymology

Origin of electrolyzer

First recorded in 1890–95; electrolyze ( def. ) + -er ¹ ( def. )

Example Sentences

See Examples For:

electrolyzer

At the heart of these systems is an electrolyzer, which converts electricity from solar cells into chemical energy.

From Science Daily ● Jun. 11, 2026

In a salt water electrolyzer, the HKU team found that the new steel can perform comparably to the titanium based structural materials used in current industrial practice for hydrogen production from desalted seawater or acid.

From Science Daily ● May 10, 2026

Shares jumped 26% on Wednesday after the company said it delivered External link its first 10-megawatt GenEco electrolyzer array to Galp External link, a Portuguese energy company.

From Barron's ● Oct. 6, 2025

Plug Power delivered its first 10-megawatt GenEco electrolyzer array to Galp, a Portuguese energy company, causing its stock to rise 12%.

From Barron's ● Oct. 1, 2025

The apparatus consists of a hermetically closed electrolyzer, A, into the lower part of which enters the electrodes, E and F, of any electrical machine whatever.

From Scientific American Supplement, No. 401, September 8, 1883 by Various