This is the 8582nd most frequent Catalan word.
elèctricsl
It seems like there might be a typo in the word "elèctricsl." If you meant "elèctrics," it means "electric" (plural form) in English.
In this sentence, 'elèctrics' is used as an adjective describing the noun 'cotxes' (cars), indicating that the cars are powered by electricity.
Els cotxes elèctrics són una alternativa sostenible.
Electric cars are a sustainable alternative.
Here, 'elèctrics' qualifies the noun 'aparells' (appliances), pointing out their functionality as devices that use electricity.
Els aparells elèctrics a casa consumeixen molta energia.
Electrical appliances at home consume a lot of energy.
In this instance, 'elèctrics' modifies 'vehicles,' establishing that the vehicles operate using electric power.