New Delhi, Sept. 16 -- China's export controls on critical know-how and raw materials are slowing India's push to develop an advanced electric vehicle (EV) battery technology poised to dominate global markets.

In July, China added battery cathode production technology for lithium iron phosphate (LFP) batteries, among other EV battery technologies, to its export-control list, just as several Indian firms like JSW Group were looking to strike partnerships with Chinese players.

The curbs, which apply globally, mean that despite partnerships, Indian firms are unlikely to get access to the latest technology without the Chinese government's approval.

Three companies-Reliance Industries Ltd (RIL), Exide Industries Ltd, and JSW Group-plan to s...