[Prices Surge Over 37%! Is "Grandma Cobalt" Making a Comeback?] Cobalt, a mineral resource once humorously nicknamed "Grandma Cobalt," has once again demonstrated its critical role in the new energy industry through dramatic price fluctuations. Industry data shows that on March 7, the domestic average price of cobalt sulphate was 36,700 yuan/mt, compared to 26,650 yuan/mt on February 25, marking a cumulative increase of over 37% in just a few days, with the highest surge nearing 50%. Like a sudden thunderclap, it has shaken the new energy industry. (Battery China CBEA)

CATL has announced an international patent application for a sodium-ion battery