What gases are released from a battery energy storage system?

Off Gassing – The gasses that ae released from battery energy storage systems are highly flammable and toxic. The type of gas released depends on the battery chemistry involved but typically includes gases such as: carbon monoxide, carbon dioxide, hydrogen, methane, ethane, and other hydrocarbons.

What are the hazards associated with a battery?

These hazards can be associated with the chemicals used in the manufacture of battery cells, stored electrical energy, and hazards created during thermal runaway, (see below) which can include fire, explosions, and chemical byproducts.

Are lithium ion batteries flammable?

Some of these electrolytes are flammable liquids and requirements within OSHA’s Process Safety Management standard may apply to quantities exceeding 10,000 lb. Many of the chemicals used in lithium-ion battery manufacturing have been introduced relatively recently.

What are the risks of a battery fire?

BESS incidents can present unique challenges for host communities and first responders: Fire Suppression: Lithium battery fires are extremely difficult to extinguish and may reignite hours or days later. Emissions: Battery fires can release harmful gases that pose health risks to nearby residents and first responders.

What is a battery energy storage system (BESS)?

There has been a dramatic increase in the use of battery energy storage systems (BESS) in the United States. These systems are used in residential, commercial, and utility scale applications. Most of these systems consist of multiple lithium-ion battery cells. A single battery cell (7 x 5 x 2 inches) can store 350 Whr of energy.

Is battery vent gas toxic?

As well, there remain many questions about the toxicity of the battery vent gas. From 2014 to 2018, residential BESS installations have increased by 200% annually. Further research into residential BESS hazards is essential as BESS hazards could eventually become a regular part of dwelling fires.