Question

What are some examples of chemical energy being transformed to electrical energy that isn't a battery.

Answer 1

- Switching on of a battery's circuit.
- Passage of K ions from food to nerve cells

Answer 2

fossil fuel electricity [AC] generators

Answer 3

biological respiration, generally

Answer 4

@IrishBoy123 can you explain the last point?
Apparently, under respiration, chemicals are broken by the aid of oxygen to burn them, forming heat energy which is to be dispersed by cells, tissues, organs and organisms to perform their tasks.