engines compress and heat air with a fuel suitable for an . For example, burning natural gas or heats compressed air, and then a conventional engine or the rear portion of a expands it to produce work. can recharge an . The apparently-defunct
Electrochemical energy storage systems, commonly known as batteries, store energy in chemical compounds and release it as electrical energy. These systems play a crucial role in various applications, from portable electronics to grid-scale energy storage. 2 billion in 2025 and is projected to grow at a CAGR of 6.
