fuel cell

noun

: a device that continuously changes the chemical energy of a fuel (such as hydrogen) and an oxidant directly into electrical energy

Examples of fuel cell in a Sentence

Recent Examples on the Web

This advancement addresses a significant challenge in hydrogen fuel cells, specifically the rate at which protons traverse the catalyst layer responsible for electricity generation. — Sujita Sinha, Interesting Engineering, 11 Sep. 2026

The Bloom Energy fuel cell technology also has the flexibility to operate on cleaner fuels like hydrogen or biogas, along with being more compatible with carbon-capture systems. — Jeremy Hsu, ArsTechnica, 11 Sep. 2026

PGMs are vital to hydrogen technology, acting as catalysts in fuel cells to power electric vehicles. — Tiisetso Motsoeneng, semafor.com, 31 Aug. 2026

While the rendezvous target was deployed as planned and tracked by radar, Mission Control called the demo off when the pressure glitch occurred because the fuel cells were key to power Gemini 5 for its full 8-day mission. — Tariq Malik, Space.com, 29 Aug. 2026

Word History

First Known Use

1922, in the meaning defined above

Rhymes for fuel cell

• barbell
• bedwell
• befell
• bluebell
• bombshell
• bridewell
• capelle
• cartel
• carvel
• clamshell
• cogswell
• compel

Kids Definition

fuel cell

noun

: a device that continuously changes the chemical energy of a fuel (as hydrogen) into electrical energy