please help me done with these questions thank you

1. Discuss the advantages of electrochemical machining over mechanical machining? 2. Draw a lithium-ion battery and describe how it works. What are the main problems are the Li-ion batteries facing? 3. How does a supercapacitor work? 4. Using the PPT given in lecture to compare the Li-ion batteries wuth supercapacitors. 5. Using the following figure to discuss the application of Pourbax plote E/ 20 Food 1 Oxygen line Hydrogen in Felow FelOH Fe 12 0 14 DH Fe 185 A simplified Pourhuis diagram for iron in water at 25C Dissolved iron concentration 10 m. The following equilibria are considered 6. Using the following figure to discuss the corrosion with and without the presence of oxygen. logli 0,+ ** 424,0 log.com, H* * * logico Econo 4