At Continental Toyota we use Genuine Toyota Motor Oil formulated to help protect against corrosion, prevent foaming and maintain proper application of oil on cylinder walls. (continentaltoyota.com)
Firstly, it produces under sun light illumination a photovoltage of almost 0.5 volts and very high photocurrent densities of up to 38 mA / cm2; secondly, it acts as a catalyst to accelerate the formation of hydrogen, and finally, it is chemically protected against corrosion as well. (sciencedaily.com)