1
Hydrogen; Battery electrolytes
4
Hydrogen fuel
9
Batteries; Rechargeable batteries; Batteries, electric; Lithium ion batteries; Battery chargers; Battery adapters; Car batteries; Batteries for vehicles; Battery boxes; Battery packs; Battery jars; Power units [transformers]; Power units [batteries]; Power packs [transformers]; Power packs [batteries]; Lithium secondary batteries; Lithium batteries; Electrical cells and batteries; Nickel-cadmium batteries; Rechargeable electric batteries; Battery charging devices for motor vehicles; Electric batteries for powering electric vehicles; Batteries, electric, for vehicles; Batteries for electric vehicles; Chargers for electric batteries; Electricity storage apparatus; Supercapacitors for energy storage; Ultracapacitors for energy storage; Apparatus and instruments for accumulating and storing electricity; Transformers [electricity]; Voltage transformers; Impedance transformers; Capacitive voltage transformers; Distribution transformers; Electronic transformers; Electrical reducing transformers; Electric voltage transformers; Electric current transformers; Mains transformers (Electric -); Electronic power transformers; Power transformers for amplification; Step-up transformers; High voltage transformers; High voltage capacitors; High voltage multipliers; High-voltage power supplies; High frequency convertors; Power distributors [electrical]; Charging stations for electric vehicles; Battery terminals; Branch terminals; Terminals [electricity]; Electrical terminal connectors; Electric car charging piles; Terminal boxes for electric conductors; Fuel cells; Fuel cell electrodes
37
Recharging of batteries; Recharging of batteries and accumulators; Charging of batteries and power storage devices, and rental of equipment therefore; Fueling of hydrogen gas for vehicles; Vehicle battery charging; Charging of electric vehicles
39
Storage of energy and fuels; Storage of electrical plant; Storage of electricity; Storage; Arrangement of the storage of fuels; Distribution of energy; Distribution of renewable energy; Arrangement of the storage of hydrocarbons; Storage of gaseous fuels; Supply of electricity
42
Research in the field of hydrogen fuel cells