China’s Battery Breakthrough Could Challenge Lithium-Ion Dominance | OilPrice.com Felicity Bradstock Felicity Bradstock is a freelance writer specialising in Energy and Finance. She has a Master’s in International Development from the University of Birmingham, UK. More Info Premium Content By Felicity Bradstock – May 16, 2026, 2:00 PM CDT Chinese researchers developed an all-iron flow battery capable of more than 6,000 charge-discharge cycles without measurable capacity loss. Sodium-ion batteries are gaining traction in China due to lower material costs and reduced dependence on lithium and cobalt. Alternative battery technologies could improve the sustainability and affordability of renewable energy storage systems….