Register     Login
Ask@  
Ask@ENGINEERING.com
All Categories
Unanswered Questions
Fun & Puzzles
General Engineering
Mechanical/Automotive
Civil/Structural
Chemical/Material
Electrical/Electronics
Industrial
Computer Engineering
View All Categories
Full Leaderboard
rahul gopinath
Level: 3
1022
Jake Banman
Level: 2
814
engr
Level: 2
752
View Full Leaderboard

Ask@ENGINEERING.com
Ask@ENGINEERING.comAll CategoriesFull LeaderboardEmail a QuestionGetting Started
Ask@ENGINEERING.com is a great place to get an answer to your practical engineering question or to share a fun puzzle. To ask or answer a question, you must login to your ENGINEERING.com account. If you are not a member, please register now. Find out more information on how to get started now.      
 
Ask@ENGINEERING.com
*Please put your question
in the subject line
Ask a Question

hamza
What do you meen by fuel cells & how it works? View All


3 months ago - 8 months left to answer. - 1 response - Report Abuse
Respond to question
    0      [lnkReport]        0       0       
  Responses


mikeyy
A fuel cell is an electrochemical energy conversion device. It produces electricity from various external quantities of fuel (on the anode side) and an oxidant (on the cathode side). These react in the presence of an electrolyte. Generally, the reactants flow in and reaction products flow out while the electrolyte remains in the cell. Fuel cells can operate virtually continuously as long as the necessary flows are maintained.

Fuel cells are different from batteries in that they consume reactant, which must be replenished, whereas batteries store electrical energy chemically in a closed system. Additionally, while the electrodes within a battery react and change as a battery is charged or discharged, a fuel cell's electrodes are catalytic and relatively stable.


3 months ago

Source: http://en.wikipedia.org/wiki/Fuel_cell

how it works
http://www.howstuffworks.com/fuel-cell.htm


  0     0         

ENGINEERING.com does not provide engineering advice. The Ask@ service is a forum for members to exchange ideas relating to the world of engineering. We caution users not to accept any responses that they receive without further validation, and not to rely on any engineering advice that they may get from other members of the Ask@ forum. ENGINEERING.com specifically disclaims any obligation to validate or verify any information posted within the Ask@ service. ENGINEERING.com encourages users to seek the services of a professional engineer for any engineering advice they may require.

Register today to get your ENGINEERING.com email account!




 


 

ABOUT US INVESTORS PRIVACY POLICY ADVERTISE WITH US CONTACT US FEEDBACK