1.1 New Renewable Energy
New Renewable Energy= new energy+ Renewable Energy
New energy : future energy
Renewable energy: almost indefinitely energy
condition
1 Replace petroleum
2 Carbon emits less than petroleum.
3 Sustainable energy can be used without depletion
Hydrogen diffusion and effect of grain size on hydrogenation kinetics in magnesium hydrides”를 살펴보면 실험을 통해 100~300°C에서 Mg중의 수소 확산의 활성화 에너지 Ea = 24.07±0.48kJ/mol을 측정하였다.
결국, Mg2NiH4중의 수소 확산의 활성화 에너지가 Mg중의 수소 확산의 활성화 에너지가보다 더 작으므로 Mg에 Ni를 첨가하면, Mg2
hydrogen energy, tidal energy and so on are researched with activity by scientists. Among them, hydrogen energy system supremely comes into the spotlight. Hydrogen energy system bases an ideal principle which hydrogen is produced from water and returns to the original substance; water after being used. We can expect that after 2010, the cost of hydrogen as one of the resources should be lower th
future environment.
Disadvantage
Economical Problem
Storage problem , Transport problem
1.United States
Perform the research and development through
DOE(Department Of Energy)
Invest a lot of fund in Stack technology.
2.Japan
Hydro Fuel cell research and development program(~2002)
New Hydrogen Project(NEP) (2003~)
JHFC(Japan Hydrogen and Fuel Cell Demonstration Project)
hydrogen production costs. The main technical issues for these high-temperature processes relate to materials development for corrosion resistance at high temperatures, high-temperature
membrane and separation processes, heat exchangers, and heat storage media. Design aspects and safety are also important for high-temperature processes.
-Thermo-chemical water splitting
For example, Thermo-