Battery Room Ventilation and Safety
It is common knowledge that lead-acid batteries release hydrogen gas that can be potentially explosive. The battery rooms must be adequately ventilated to prohibit the build-up of
Thermal runaway of lithium-ion battery cells is essentially the primary cause of lithium-ion BESS fires or explosions. Under a variety of scenarios that cause a short circuit, batteries can undergo thermal runaway where the stored chemical energy is converted to thermal energy.
Combustible materials and gases within batteries can ignite uncontrollable fires. Water also degrades battery chemistry permanently. Statistics show water-induced reactions significantly elevate temperatures, emphasizing the need for protective enclosures in robotics and medical applications. 2.1 Freshwater Impact
The battery rooms must be adequately ventilated to prohibit the build-up of hydrogen gas. During normal operations, off gassing of the batteries is relatively small. However, the concern is elevated during times of heavy recharge or the batteries, which occur immediately following a rapid and deep discharge of the battery.
Apart from Li-ion battery chemistry, there are several potential chemistries that can be used for stationary grid energy storage applications. A discussion on the chemistry and potential risks will be provided.
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