Are all EV batteries lithium-ion?

The majority of batteries for Electric Vehicle (EV) propulsion are Li-ion, with Toyota and other Japanese OEMs being the exception as they use Nickel Metal Hydride for EV propulsion.

Eurobat Battery Innovation Roadmap 2030

Eurobat Battery Innovation Roadmap 2030 – Lead Acid Batteries

EUROBAT Parameters		2020 State of the Art	2030 Target	UBC 2021
Electrochemical System	Cathode	PbO₂	PbO₂	PbO₂
Electrochemical System	Anode	Pb, Pb+C	Pb, Pb+C	Pb, Pb+C
Energy Density (Wh/Kg)	Battery	23 – 45	35 – 55	52 – 68
Energy Density (Wh/l)	Battery	36 – 100	50 – 110	112 – 139
Power Density (W/Kg)	Battery	41 – 400	65 – 450	380 – 410
Power Density (W/l)	Battery	76 – 840	72 – 900	820 – 920
Predicted Lifetime (Yr)	Calendaric	10 – 25	10 – 25	10 – 25
Operation Temperature Range (^oC)		-25 – +50	-25 – +50	-40 – +88
Energy Efficiency (%)		67 – 85	>90	85 – 90

EUROBAT = Association of European Automotive and Industrial Battery Manufacturers. The purpose of the association is to study all matters of interest to storage battery manufacturers and their sub-contractors in Europe, the Middle East and Africa.