This module will focus on electrochemical energy storage principles, energy storage materials, device design and manufacturing, and chemical engineering processes taking place in these type of technologies. It will address fundamental aspects of electrochemistry associated with electrochemical energy storage systems. This module will give the students a thorough knowledge of the importance of energy storage in the field of Sustainable Energy Engineering and provide them with an advanced understanding of key processes in devices such as batteries and supercapacitors, and their important role in the decarbonisation of the power sector.