electronic devices such as mobile phones and personal digital assistants, and of radio-controlled aircraft, as such batteries allow for a more flexible and compact design. They generally have a lower energy density than normal lithium-ion batteries. In 2019, John B. Goodenough, M. Stanley Whittingham, and Akira Yoshino, were awarded the Nobel Prize in Chemistry, for their development of lithium-ion batteries. See also Baghdad Battery, an artifact that has similar properties to a modern battery Memory effect Comparison of commercial battery types History of electrochemistry List of battery sizes List of battery types Search for the Super Battery, a 2017 PBS film Burgess Battery Company Notes and references Battery (electricity) Battery Alessandro Volta Battery