How do Astronauts Make Water In Space

How do Astronauts Make Water In Space

1. In certain cases astronaut make water by " fuel cell "
   
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2. The fuel cell consists of a cylindrical container is made up of alkali resistant material. it is divided into three components , the middle compartment continents hot concentrated solution of KOH. The anode is a porous carbon electrode impregnated which Platinum , which serve as catalyst and provides necessary electrical contact.
3. Pure and dry hydrogen gas enters the anodic compartment from one side. The cathode is also a porous carbon electrode impregnated with Platinum, which also act as catalyst and provides necessary electrical constant.
4. Pure and dry Oxygen gas enters the cathodic compartment from other side.
5. The only product of the reaction is water. Hence, fuel cell do not cause pollution. Thermal plants have efficiency of about 40% . Fuel cell have an efficiency of about 70%, which is is almost double.
   
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6. During operation at high temperature in spacecrafts, as soon as water is produced, it Evaporates. It is then condensed to provide pure water for drinking for astronauts. In future, power Generators for hospitals, hotels and homes may be constructed from fuel cells. Fuel cells might be used in cell phones, laptop computers and smart electronic products.
7. It needs specially designed cylinder to store hydrogen and oxygen in liquid form.
   
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