Primary cells Flashcards
1
Q
Can galvanic cells be portable or fixed chemical energy storage devices?
A
Yes
2
Q
Examples of fixed devices
A
SOlar energy systems, smoke detectors
3
Q
Examples of portable devices
A
mobile phones, laptops, watches
4
Q
Define: primary cell
A
Cannot be recharged or reused when flat
5
Q
How do primary cells go flat?
A
When they reach equilibrium
6
Q
Why can’t primary cells be charged?
A
Because products slowly migrate away from electrodes, or are consumed in side reactions in the cell