原文传递
Understanding EV fire risks
| 题名： | Understanding EV fire risks |
| 正文语种： | eng |
| 作者： | Paul Trew |
| 摘要： | A lithium-ion fire is a potent chemical reaction, according to Paul Trew, former deputy assistant commissioner and head of fire safety delivery and enforcement at the London Fire Brigade. He is now technical support manager at the IFE (Institution of Fire Engineers) and was recently appointed as its alternative fuels coordinator. Trew says: "If you get a fire in a petrol car, you will be concerned about the fuel and its flammable properties. The difference with lithium-ion is that it goes into thermal runaway. Once started, it's very volatile, and comes from within the [battery] cell." Another problem is access. EV manufacturers install batteries in a sealed, waterproof unit. He adds: "To get extinguishing media to a battery, you have to get in there to really be effective, and the reality is that you can't." A suppressed fire event in a lithium-ion fire can look like it's out, but can start again hours later in some cases. "At the moment, we have firefighters tied up for days in some cases, allocating resources to a fire that is basically out but could start at any time; you can't just leave it and walk away. That is a major resourcing issue," states the technical support manager. |
| 出版年： | 2023 |
| 期刊名称： | Transport engineer |
| 期： | Jan. |
| 页码： | 25-25 |
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