CATL Developing 12,000 Wh Per Kg Lithium-Air Battery
cleantechnica.com Jun 7, 2026

CATL Developing 12,000 Wh Per Kg Lithium-Air Battery

AI-summarised brief · reviewed before publication

CATL, the world's largest battery manufacturer, is developing lithium-air battery technology with a theoretical density of 12,000 Wh/kg, similar to gasoline's energy density. This technology utilizes lithium metal as the anode and oxygen from the air as the cathode reactant, reducing weight and complexity. Current prototypes have reached an energy density of over 1,200 Wh/kg, four times that of most commercial batteries. CATL is pursuing solid-state battery development as a mid-term goal, with lithium-air batteries as a long-term objective. The development of lithium-air batteries has been ongoing since the 1970s, with recent breakthroughs addressing hurdles such as moisture sensitivity and catalyst stability.

💡 Why It Matters

  • · Lithium-air batteries could revolutionize the EV industry by offering energy density comparable to gasoline, potentially making conventional cars and trucks obsolete.
  • · Their development underscores the ongoing shift towards more efficient and sustainable energy storage solutions.