1. Electric Vehicles (EVs)• Tesla Fires. Fires have been reported with several Tesla models, often linked to battery malfunctions after crashes or severe impacts. For instance, incidents in 2021 involved vehicles catching fire post-collision, prompting investigations into battery safety protocols. Contact online >>
1. Electric Vehicles (EVs)• Tesla Fires. Fires have been reported with several Tesla models, often linked to battery malfunctions after crashes or severe impacts. For instance, incidents in 2021 involved vehicles catching fire post-collision, prompting investigations into battery safety protocols.
2. Consumer Electronics• Samsung Galaxy Note 7. Although it happened several years ago (2016), this incident is often cited due to its impact. The phones were recalled after multiple reports of battery fires caused by manufacturing defects, leading to a major safety overhaul in the industry.• Laptop Batteries. In 2021, Dell recalled certain laptop batteries due to overheating risks, which had led to several fire incidents. The recall affected specific models manufactured between 2017 and 2020.
3. Power Tools• Cordless Tool Fires. In 2023, several incidents involving cordless power tools catching fire due to faulty Li-based batteries were reported. These incidents often involved overheating during use or charging.
4. House Fires• Battery Charging Fires. There have been various reports in recent years of house fires started by Li-based power supplies left charging overnight. Some incidents involved chargers that failed, leading to overheating and ignition of nearby materials.
2. Chemical Hazards• Toxic Materials. Li-based power supplies contain hazardous materials such as lithium, cobalt, and nickel, which can be harmful if released.• Leakage. Damaged batteries can leak harmful chemicals, posing risks to health and the environment.• Gases. Li-based fires emit tremendous amounts of highly toxic chemicals that can do severe short-term or long-term damage. Do not approach without the proper Personal Protective Equipment, which includes a Self-Contained Breathing Apparatus.
4. Overcharging• Battery Degradation. Overcharging reduces battery lifespan and efficiency.• Safety Mechanism Failure. If protection circuits fail, it can lead to dangerous situations like overheating or fires when overcharged.• Heat. Overcharging a Li-based power supplies–powered device can cause it to overheat, which can lead to thermal runaway. In addition, never charge one unattended.
5. Environmental Impact• Improper Disposal. Li-based power supplies will cause soil and water contamination if not disposed of correctly. They also pose a danger to our sanitation and waste management professionals.• Resource Extraction. Mining for materials used in batteries has significant environmental impacts. Just recently, a Lithium refinement factory in Missouri caught on fire, causing extensive environmental damage.
6. Electrical Hazards• Short Circuits. Incorrect connections can cause short circuits, leading to overheating and potential fire.• Static Electricity. Mishandling can generate static charges that may cause discharges, especially in sensitive applications. Consult your Manufacturer''s Recommendation Handbook for more information.
8. User Misunderstanding• Misuse. Lack of understanding about charging protocols and safety can lead to improper usage, increasing risk. You must consult the manufacturer''s handbook before storing, charging, using, or disposing of the device.
3 arging• Monitor Charging. Never leave charging batteries unattended. Charge in a safe, open area away from flammable materials.• Follow Manufacturer Guidelines. Adhere to recommended charging times and procedures from the manufacturer. Consult the Manufacturer''s Recommendation Handbook.• Avoid Overcharging. It is important to make sure you unplug the devices when they are done charging. Do not rely on the built-in cutoff features.
4.Disposal• Recycle Properly. Do not throw Li-based power supplies in regular trash. Use designated recycling programs to ensure safe disposal.• Check Local Regulations. Follow local laws regarding battery disposal, as many regions have specific guidelines.
SummaryBoth Li-ion and Li-polymer batteries have advantages in the academic setting. However, they both have risks that must be addressed. The best way to address the hazards is to become familiar with the Manufacturer''s Recommendation Handbook and train students and staff on what to do if a Li-ion or Li-Poly battery fail occurs. Without knowledge and training, it is impossible to keep your students safer in a Li-ion/Li-polymer educational setting.
By adhering to these protocols, in addition to the training you should receive or provide, you can significantly reduce the risks associated with using Li-ion or Li-Poly batteries for a safer teaching/learning worksite.
ResourcesNSTA Web Seminar. 2024. FA24: Catching up and charging ahead: Safely using li-ion batteries in our school classrooms/laboratories. https://my.nsta /resource/132224.
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