Week 2 Challenge

Q1,

Fuel cell systems are typically classified by the type of membrane used in it. The explanation of fuel cells mentioned below gives an overview of their working mechanism with respect to their areas of the application comparing their key advantages and Disadvantages with basic technical details.

Source:

• Fueling the Future of Mobility, Delloite, 2020, p. 6, (Link)
• Fuel cell technology for sustainable development in Pakistan – An over-view, Raza et al., 2016, p.454, DOI: 10.1016/j.rser.2015.08.049

Q2,

The below Ragone plot gives an overview of different energy storage devices based on energy density (Wh/kg) and power density (W/kg) where the sloping lines on the plot indicate the required time to get the charge in or out of the device.

Source:

• Lithium-Ion Batteries: Modelling and State of Charge Estimation, Mohammed Farag, June 2013, p.8, (Link).