Electrochemical Energy Storage Power Station Safety Risk Analysis and Prevention Strategies

Shaoyu Zhang

doi:10.54691/8m713587

Authors

Shaoyu Zhang

DOI:

https://doi.org/10.54691/8m713587

Keywords:

Energy Storage Power Station; Full Life Cycle; Risk Factors; Safety Protection.

Abstract

Under the guidance of the two carbon emission reduction goals of carbon peak and carbon neutralization, the installed capacity of China 's electrochemical energy storage power stations is constantly expanding, but its associated safety problems are posing severe challenges. In recent years, the fire and explosion accidents of electrochemical energy storage power stations have continued, and the safety problems of energy storage power stations have attracted much attention. In order to strengthen the safety protection of the whole life cycle of electrochemical energy storage power station, this paper reviews the development status of electrochemical energy storage from the perspective of industry and policy, and systematically summarizes the four main risk factors faced by energy storage system: thermal runaway of energy storage battery, electric shock caused by electrical equipment, natural environment under extreme conditions and misoperation caused by staff. Then, the main reasons for these risk factors are analyzed comprehensively: electrochemical energy storage has shortcomings in safety policy, enterprise management, safety technology and industrial ecology. Finally, based on the analysis of the development status, risk factors and causes, this paper proposes a four-layer protection route to strengthen the risk prevention and control of the whole life cycle of the electrochemical energy storage power station. The first layer is the intrinsic safety protection layer, the second layer is the system emergency protection layer, the third layer is the intelligent control protection layer, and the fourth layer is the safety toughness protection layer. These four-layer safety protection routes have certain reference significance for improving the safety of the electrochemical energy storage power station.

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