u003cpu003eu003c/pu003e How to distinguish lithium battery pack
fire? u003cpu003eOne of the dangers of a fire caused by a lithium battery is that the fire cannot be determined visually. If it is not completely extinguished, it may re-burn. There is a related video on Youtube, you can search for “FAALithium Fire” (FAA lithium battery pack
fire). This video is specifically for instructing the crew how to put out the computer fire on the plane.u003c/pu003e To put out the lithium battery fire, you should How to do it? u003cpu003e1. Use a fire extinguisher to calm the flame. Usually, after doing this, the fire is extinguished and the battery is still smoking. Most fire extinguishers can achieve this effect. But there are...u003c/pu003eu003cp u003e2. Since the lithium battery pack will re-burn, if it is not cooled down, it is very important to use a lot of water to cool the battery. (Note) Keep watering.u003c/pu003eu003cpu003e3. It is best to move the burning battery outside , And then call the fire department to deal with it.u003c/pu003eu003cpu003eFour. Smoke is harmful to your body. Do not inhale the smoke that comes out. Bicycle battery charging racku003c/pu003e There are the following measures to prevent lithium batteries: u003cpu003eFirst, if all batteries are charged on a charging stand dedicated to charging, electric bicycle shops will be safer.u003c/pu003eu003cpu003eSecond, the charging stand should have large and easy wheels, and It is made of non-flammable materials and placed at the gate. Nothing will prevent the charging station from being pushed out of the door.u003c/pu003eu003cpu003eThree, if a fire occurs, the first response is to push the charging rack out of the room.u003c/pu003e u003cpu003e4. Place batteries, chargers and smoke alarms on the charging stand. Only one extension cord is provided on the charging stand, so there will be no other interference when the charging stand is pushed out of the door. Push the charging stand out of the door The power plug should be easily unplugged.u003c/pu003eu003cpu003e5. Use a timer on the power supply of the charging stand to avoid charging at night while sleeping.u003c/pu003eu003cpu003e6. Keep it at hand A 10 lb. or ABC and Class D fire extinguisher. When the fire is extinguished, water can be taken to cool it down. (Hose, bucket, sprinkler, etc.) Electric bicycle battery type and fire risk.u003c/pu003e Common types of lithium batteries Fire situation: u003cpu003e Sealed valve-regulated lead-acid battery (SVRLA) This type of battery has the same appearance as those used for emergency lighting and computer uninterruptible power supplies. Overcharging with a constant current charger can cause explosions and fires. In rare cases, The car starter battery has the same problem. The specific situation is that due to the release of hydrogen gas, and hydrogen gas will cause an explosion in some cases. Unless the charger power is large enough, it is not easy to avoid it if it is charged for a long time.u003c/ pu003eu003cpu003e Nickel-cadmium batteries are not used in the electric bicycle industry in the United States, and they were used in Europe and Japan a few years ago. They are generally considered to be non-flammable. But they are very toxic, which is why this type of battery is not used in The reason for use in Europe and Japan.u003c/pu003eu003cpu003e Ni-MH batteries are also rare. Some new bicycles and many old bicycles have such batteries. They are usually not flammable, but if they are short-circuited, they will release hydrogen; if they are sealed Space, it will explode.u003c/pu003eu003cpu003e Lithium manganese oxide battery (LiNiMnC002) is a widely used battery. If assembled and managed properly, this type of battery will not catch fire. But there are still The possibility of fire, especially the use of cheap products or abuse of the product. The most common problem is that it takes too long to charge with the wrong charger. This type of battery is more compact than the other batteries in this list, and the price is more affordable. So it is the most popular electric bicycle battery. u003c/pu003eu003cpu003e Lithium iron phosphate battery (LiFeP04 also called LFP and LIPO) is generally considered to be the safest battery among lithium batteries. This type of battery does not burn easily, and there are indeed very few fire accidents of this type of battery. This type of battery is heavier than lithium manganate battery, so its use on electric bicycles is limited. u003c/pu003eu003cpu003e Lithium cobalt battery (LiC002) has not been used by any reputable company for electric bicycles. This type of battery has the highest energy density and is generally used in mobile phones and other consumer electronics products. However, it is not stable enough as a large battery for electric bicycles. Confusingly, some lithium manganese oxide batteries are described as lithium nickel manganese oxide batteries, but they are not what I call lithium cobalt batteries. u003c/pu003eu003c/pu003e
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