Copper is purified by electrolysis. Electricity is passed through solutions containing copper compounds, such as copper(II) sulfate. The anode (positive electrode) is made from impure copper and ...

The volume of hydrogen given off is twice the volume of oxygen given off.

Scientists have developed a copper catalyst that can efficiently convert carbon dioxide into acetaldehyde, a key chemical used in manufacturing. The breakthrough offers a green alternative to ...

This limitation causes significant ohmic losses, especially as electrode sizes increase, reducing the scalability and efficiency of CO 2 electrolysis ... 250-nm thick copper catalysts deposited ...

From there, the copper sulfate is placed in an electrolysis cell using a platinum ... all of the copper will have deposited itself on the copper electrodes. The other interesting thing about ...