This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: People walk by Samsung SDI Co.' booth during the InterBattery 2021, the country's leading battery exhibition, at COEX in Seoul, South Korea, on June 9, 2021. Credit: AP Photo/Ahn Young-joon, File Production at an electric vehicle battery cell plant jointly run by General Motors and Samsung SDI has been delayed as EV sales have s ...