Tesla China battery cell supplier Contemporary Amperex Technology Co. Ltd. (CATL) unveiled its sodium-ion battery earlier today, along with a solution that could integrate the cells with lithium-ion batteries in a single pack. The sodium-ion cells are a more cost-effective option than the lithium-ion batteries, opening the door for lower prices in the EV battleground market of China. The introduction of sodium-ion cells is an alternative option to the lithium-ion cells Tesla has used in its vehicles. CATL Chairman Zeng Yuqun highlighted the favorable characteristics of utilizing sodium-ion cells during the company’s online launch event earlier today. “Sodium-ion batteries have...