Describe the operation of a direct-methanol fuel cell (DMFC)
What will be an ideal response?
Methanol and water is supplied to the fuel cell and hydrogen is extracted from the methanol by a steam reformer. Electrons are released from the hydrogen at the anode and travel through the external circuit to the cathode as electrical current. Oxygen is from air is ionized at the cathode and oxygen ions combine with hydrogen ions to form water.
You might also like to view...
The intervertebral articulations are classified as ________ joints.
A) syndesmosis and pivot B) hinge C) synchondrosis D) gliding and symphysis E) synovial and syndesmosis
A traction control system can often control all of these EXCEPT ________
A) Engage four-wheel drive B) Limit torque delivered to the drive wheels C) Upshift the transmission D) Apply the wheel brake to the wheel that is losing traction
The palatability of a piece of meat depends on a combination of such qualities as appearance, aroma, flavor, juiciness, and ____________________.
Fill in the blank(s) with the appropriate word(s).
The recess for a hinge is called a hinge gain or hinge ____.
a.mortise b.joint c.lock d.tenon