Pollution-free fuel cells
October 11th, 2010 | knowledge | Comments Off
Pollution-free fuel cells
“In the future if the phone battery died in the field, we only need a mobile phone back shell of the tube the size of the hair to add methanol to the cell phone is fully charged can continue like normal.” Painted this wonderful picture of the Guangzhou University Hydrogen fuel cell technology and new catalyst project leader Professor Lin Weiming. Chemistry and Chemical Engineering school has recently developed a hydrogen fuel cell technology and new catalysts, fuel cells can not only reduce the concentration of toxic components, but also to improve fuel utilization and extend the life of fuel cells can be computers, mobile phones , car, etc. application.
As we all know, fuel cell fuel is mainly composed of hydrogen and oxygen, the most prominent feature is the “clean”, known as the most attractive of the 21st century generation methods.
The performance of the fuel cell catalyst plays a key role in the fuel before the fuel cells need to add methane, methanol reaction, both are indispensable. However, Professor Lin Weiming the research team tested successfully using methanol as a fuel alone, the addition of the catalyst will be able to generate electricity, “Now the fuel cell power conversion rate of 70% -80%.”
By adding a catalyst to reduce the fuel cell reaction produces carbon monoxide, to extend battery life is also one of their research. Fuel cell reaction in the fuel will produce about 1% of carbon monoxide, and carbon monoxide will make fuel cell “poisoning” and shorten battery life. Wei-Ming Lin said they discovered after numerous tests, using the new catalyst, the absorption rate of carbon monoxide can be increased to about 99%, thereby reducing the battery “poisoning” the possibility of extending life.
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