In recent years, the application of BESS in power system has been increasing. If lithium-ion batteries are used, the greater the number of batteries, the greater the energy density, which can increase safety risks.
What is battery energy storage?
Battery energy storage is widely used in power generation, transmission, distribution and utilization of power system . In recent years, the use of large-scale energy storage power supply to participate in power grid frequency regulation has been widely concerned.
While lithium-ion batteries have dominated the energy storage landscape, there is a growing interest in exploring alternative battery technologies that offer improved performance, safety, and sustainability .
Lithium-ion batteries play a crucial role in providing power for spacecraft and habitats during these extended missions . The energy density of lithium-ion batteries used in space exploration can exceed 200 Wh/kg, facilitating efficient energy storage for the demanding requirements of deep-space missions . 5.4. Grid energy storage
What is a solid-state battery?
Solid-state batteries stand at the forefront of energy storage, promising heightened safety, increased energy density, and extended longevity compared to conventional lithium-ion batteries.
Lithium-ion batteries employed in grid storage typically exhibit round-trip efficiency of around 95 %, making them highly suitable for large-scale energy storage projects .
Are sodium-ion batteries a cost-effective energy storage solution?
Sodium-ion batteries have emerged as a notable alternative due to the abundance of sodium, presenting a potential for cost-effective energy storage solutions . The working principle of sodium-ion batteries is illustrated in Fig. 5.