Battery in use
Movement of electrons
Positive
electrode
Cathode
Negative
electrode
Anode
1
Ions
2
Electrolyte
1
Electrons flow from negative to positive electrode creating an electric current
2
Positively charged ions travel in the same direction through the electrolyte
Battery charging
Movement of electrons
3
Ions
4
Electrolyte
3
When charging, the process is reversed – electrons flow back to the anode ...
4
... and positive ions flow back though the electrolyte
Battery in use
Battery charging
Movement of electrons
Movement of electrons
Positive
electrode
Cathode
Negative
electrode
Anode
1
3
Ions
Ions
2
4
Electrolyte
Electrolyte
1
Electrons flow from negative to positive electrode creating an electric current
2
Positively charged ions travel in the same direction through the electrolyte
3
When charging, the process is reversed – electrons flow back to the anode ...
4
... and positive ions flow back though the electrolyte