Electric planes do not need batteries - Ammonia in a Fuel cell may be better
Ammonia can be generated from renewables and in a fuel cell create no pollution
Has very high energy density compared to batteries, when considering its greater efficiency in an electric motor on a par with kerosene.
Drawback is has to be handled very carefully, however that level of competence is a given at the larger airports.
Currently the technology for the fuel cell not good enough but a little tinkering...