This video contains some information about types of capacitors and how they are constructed.
Ceramic Capacitors
Electrolytic Capacitors
Film Capacitors
0:00 Intro
0:36 Ceramic capacitors explained
0:53 Ceramic capacitors characteristics
1:15 Disc Ceramic Capacitors
1:30 MLCC Capacitors
1:44 Capacitance explained in MLCC
2:13 Feedthrough Capacitors
2:30 Electrolytic Capacitors Explained
2:40 Electrolytic Capacitors Disadvantages
2:57 Polarization of electrolytic capacitors
3:07 Electrolytic Capacitors Characteristics
3:35 Electrolytic Capacitors Structure
3:55 Using Capacitors in a Circuit
4:10 Film Capacitors Explained
5:00 Outro