storage cell vs electric cell

storage cell and electric cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
storage cell	Yes	No	No	No
electric cell	Yes	No	No	No

As nouns, electric cell is a hypernym of storage cell; that is, electric cell is a word with a broader meaning than storage cell:

storage cell: a cell that can be recharged
electric cell: a device that delivers an electric current as the result of a chemical reaction

Other hypernyms of storage cell include cell.

storage cell (noun)	electric cell (noun)
a cell that can be recharged	a device that delivers an electric current as the result of a chemical reaction