The safety issue of lithium-ion battery energy storage power station is an important factor that restricts energy transformation and the long-term goal achievement of ‘dual carbon’. Once a safety accident occurs in an energy storage power station

the resulting property losses and casualties will be very serious. In this paper

the cause for safety accidents due to lithium-ion battery energy storage power station is analyzed; all kinds of early warning technologies for safety device in the development of energy storage power station to the present is reviewed

the types

advantages and disadvantages of fire extinguishing agents inhibiting the thermal runaway diffusion of energy storage power station is introduced and the technical characteristics of safety warning and protection in engineering applications and experimental research in recent years are summarized and discussed. Finally

for various application scenarios of lithium-ion battery energy storage power station

the problems in safety accident warning and protection are pointed out from the perspective of industry health

order

and long-term development

and the future development trend of technology is prospected.