- 5E20. Electrolysis
- 5E40. Cells and Batteries
- 5E50. Theremoelectricity
- 5E50.30 Thermoelectric Magnet Seebeck Effect Heat one side of a heavy copper loop closed by a different, unknown, metal to generate thermoelectricity for an electromagnet.
- 5E50.60 Peltier Effect The Thermoelectric Converter uses a series of semiconductor thermoelectric cells to convert thermal energy into electrical energy. The output from the cells drives a small electric motor.
- 5E60. Piezoelectricity