Gwyddoniaeth Deunyddiau a Pheirianneg
Hydrogen
100%
Hydrogen storage
30%
Coke ovens
29%
Wind power
28%
Electricity
28%
Fuel cells
26%
Hydrogen production
25%
Hybrid vehicles
22%
Electrolysis
19%
Power markets
16%
Electric power distribution
16%
Solar energy
15%
Renewable energy resources
15%
Recovery
13%
Gases
13%
Purification
12%
Maximum power point trackers
11%
Fossil fuels
11%
Hydrogen fuels
10%
Energy storage
10%
Hydrogen economy
9%
Anaerobic digestion
9%
Life cycle
9%
Oxides
9%
Regenerative braking
8%
Adsorption
8%
Carbon
7%
Scheduling
7%
Methane
7%
Active networks
7%
MATLAB
7%
Proton exchange membrane fuel cells (PEMFC)
6%
Adsorbents
6%
Phenols
6%
Impurities
6%
Biomass
6%
Volatile fatty acids
5%
Network management
5%
Power management
5%
Food waste
5%
Energy management
5%
Sliding mode control
5%
Vehicle suspensions
5%
Hot Temperature
5%
Ffiseg a Seryddiaeth
coke
27%
hydrogen
25%
ovens
25%
electricity
16%
electrolysis
14%
gases
14%
purification
12%
recovery
8%
industrial wastes
8%
hydrogen production
8%
adsorbents
7%
carbon
7%
optimization
6%
refueling
6%
phenols
6%
oxides
6%
grids
6%
adsorption
6%
electric batteries
6%
solid oxide fuel cells
6%
cells
5%
energy storage
5%
fuel cells
5%
carbon dioxide
5%
synthesis gas
5%
vehicles
5%
stations
5%
greenhouses
5%
impurities
5%
Gwyddorau Amgylcheddol a’r Ddaear
hydrogen
13%
wheat
8%
energy supply
5%
research and development
5%
energy
5%
diesel
5%
