inverter, see Power electronics, efficiency
PV module, 330
round-trip, 303
solar cell, see Solar cell, efficiency
solar-to-hydrogen, 384, 387
Einstein, Albert, 21, 27, 150
Electric displacement, 395
Electricity, 5, 10
hydro, 10, 17
meter
analogue, 352
smart, 352
wind, 18
Electrochemistry, 298, 382
Electrolysis, 9, 221, 383–384
activation energy, 384
loss, 384
Electrolyte, 149, 151, 210, 299
Electromagnetic wave, 28–29
derivation, 396–397
properties, 397–399
Electromagnetism, 27
Electron
affinity, 85, 99, 100, 206
rule, 99
bond
covalent, 48, 78
dangling, 78, 162, 189