Jiân-liāu tiān-tî (燃料電池; Eng-gí: fuel cell) sī chi̍t chióng chú-iàu thàu-kòe sng-sò͘ ia̍h-sī kî-thaⁿ sng-hòa-che chìn-hêng sng-hòa hoân-goân hoán-èng, kā jiân-liāu lāi ê hòa-ha̍k-lêng choán-ōaⁿ chò tiān-lêng ê hoat-tiān chong-tì. Siāng chia̍p-khoàiⁿ ê jiân-liāu sī chúi-sò͘, kî-thaⁿ jiân-liāu lâi-goân lâi-chū jīm-hô thang hun-kái chhut chúi-sò͘ goân-chú ê thòaⁿ-hòa chúi-sò͘, chhan-chhiūⁿ thian-jiân-khì, alcohol téng. Jiân-liāu tiān-tî hām it-chhù tiān-tî bô kāng-khoán, hó-chhù tī thàu-kòe ún-tēng kiong-èng sng-sò͘ kap jiân-liāu lâi-goân, tio̍h ē-tàng chhî-sio̍k put-toān lâi thê-kiong ún-tēng tiān-le̍k, ti̍t-kàu jiân-liāu ēng liáu, hām it-poaⁿ hui-chhiong-tiān tiān-tî ēng liáu tiō tàn-tiāu bô-kāng.

Demonstration model of a direct-methanol fuel cell (black layered cube) in its enclosure.
Scheme of a proton-conducting fuel cell