Firefighters are expressing concerns over the challenges posed by hot, fast-burning fires in lithium batteries found in e-bikes at homes and large storage batteries in a solar farm in Prince Edward Island. The incidents have raised alarms about the safety of lithium batteries and led to restrictions on electric vehicles in various settings, impacting individuals who rely on them. Additionally, these incidents have instilled hesitancy in some people towards adopting electric vehicles.
This week, observed as Fire Prevention Week, focuses on lithium batteries as the official theme. Understanding the risks associated with lithium battery fires is crucial, and efforts to minimize these risks are essential.
Lithium battery fires are a growing concern, with an estimated 1,500 fires started by lithium batteries reported in 600 communities across Canada last year. These fires are most common in devices used in households, particularly e-bikes and e-scooters. While electric vehicle (EV) and energy storage battery fires are rare due to stringent testing and safety features, incidents involving them are closely monitored.
One significant cause of lithium battery fires is the breakdown of the barrier material that separates the positive and negative terminals, leading to a short circuit and subsequent fire. Factors such as wear and tear, damage, overheating, or improper charging can trigger these fires. Lithium battery fires can burn hotter and faster than conventional fires, posing unique challenges for firefighters due to their self-sustaining nature and potential for reignition.
To mitigate the risks associated with lithium battery fires, consumers are advised to purchase certified batteries with safety labels, charge devices properly, and recycle damaged batteries at designated drop-off sites. Proper handling, storage, and disposal of lithium batteries are crucial steps in preventing fire incidents and ensuring public safety.
Efforts to raise awareness about lithium battery safety and implement preventive measures are vital in safeguarding against the dangers posed by these high-energy-density batteries.