Standard specifications for electrochemical energy storage batteries

What are the safety standards for lithium-ion electrochemical energy storage systems?

Safety Standards for Lithium-ion Electrochemical Energy Storage Systems Safety Standards for Lithium-ion Electrochemical Energy Storage Systems Introduction Summary: ESS Standards UL 9540: Energy Storage Systems and Equipment UL 1973: Batteries for Use in Stationary and Motive Auxiliary Power Applications UL 1642: Lithium Batteries

Are electrochemical energy storage systems ul 9540 certified?

As a basis, electrochemical energy storage systems are required to be listed to UL 9540 per NFPA 855, the International Fire Code, and the California Fire Code. As part of UL 9540, lithium-ion based ESS are required to meet the standards of UL 1973 for battery systems and UL 1642 for lithium batteries.

What is an energy storage system (ESS)?

Covers an energy storage system (ESS) that is intended to receive and store energy in some form so that the ESS can provide electrical energy to loads or to the local/area electric power system (EPS) when needed. Electrochemical, chemical, mechanical, and thermal ESS are covered by this Standard.

Are new battery technologies a risk to energy storage systems?

While modern battery technologies, including lithium ion (Li-ion), increase the technical and economic viability of grid energy storage, they also present new or unknown risks to managing the safety of energy storage systems (ESS). This article focuses on the particular challenges presented by newer battery technologies.

What should a battery room/chamber have?

The standard points out that the battery room/chamber should be equipped with an automatic fire extinguishing system, which is linked with the battery management system (BMS), fire detector or flammable gas detection device, air conditioner, and exhaust system, and has the functions of remote passive command start and emergency mechanical start.

How much power does a 20 module battery use?

Because 20 modules are combined into one battery the minimal commercial power and energy range is on the order of 1 MW, and 6.0 MWh to 7.2 MWh. These batteries are suitable for applications with daily cycling.