Why buy EV in Canada if battery not good in extreme cold?
In the cold environment, an EV (Electric Vehicle) loses 40% of its capacity. In the best conditions, the very best ICE (Internal Combustion Engine) vehicle only reaches 40% efficiency.
But many people still choose to buy tesla in Canada, which is not due to more attractive than its appearance, Some of the advantages of lithium batteries are stronger than traditional fuel cars, and lithium is may more suitable for cold.
The Facebook post - CyberTruck compare with cartoon character[/caption]The discharge capacity of lithium-ion batteries at -20°C is only about 31.5% at room temperature. Conventional Li-ion batteries operate at temperatures between -20°C and +55°C.The electrolyte moves slowly in the low-temperature environment, which affects the transfer activity of lithium ions between the anode and cathode thus decrease in battery performance. Simply put, in a cold environment, it is not represented that the capacity of lithium battery reduced, but that the power cannot be discharged normally.
When it's cold here in Canada, we plug in ICE vehicles so they start. As I did in the 2004 Chevrolet Silverado, the dual block heater consumes approximately the same amount of electricity as an electric car commutes to.
Gas mileage goes way down in the winter in ICE vehicles. Most of us warm up our cars for 10–15 minutes twice a day. The engines don’t run as efficiently, so even warmed up fuel mileage suffers. Then there are problems with fuel lines freezing, cars not starting. Then there’s extra wear and tear caused by thick oil not lubricating properly until the oil warms up.
Catalytic converters don’t get hot enough to do their jobs, so we pollute even more.Go to an area where there are lots of diesels when it’s -30 °C and you can smell the half-burnt diesel in the air. That’s how inefficient they become in the cold.Diesels, well diesels suck in the cold. The fuel doesn’t atomize properly, the batteries get so weak they won’t run the glow plugs or engine heater, and in the bad cold, the fuel gels up. DEF (Diesel Exhaust Fluid) tanks freeze solid and the little heater in there can’t keep up, so you get emissions alarms. The heaters don’t put out enough heat, you have to leave them idling for extended periods. Stop for fuel and the damned pumps freeze up so it takes forever to fill the tanks. For car batteries with any brand of the lead-acid battery will work better than a lithium type battery in extreme cold…But lithium-ion batteries (in extreme cold) can be warmed up just by using them.
If you just turn on the headlights of the vehicle for a short while (how long is variable w/temp etc, usually less than a minute) the chemical reaction in the battery will heat it itself up enough to increase its power output so the vehicle might start. Lead-acid batteries have a lot more mass (basically lead) and won't heat up quicker than the chemical reaction occurs (the battery will lose power before it heats up). Of cause, you can buy a battery warmer blanket on Amazon for $40USD to pre-heat the batteries.
However, some lithium batteries will come with a built-in BMS, which may achieve the function of self-heating, reserve a part of capacity for pre-heating the batteries of starting power in next time, but this will take more time, which is more suitable for situations with ample time and a long advance Users who warm up the battery for a while. Now back to the best battery in extreme cold. The best battery is one that makes enough energy to start the car when the battery is frigid and that battery is one that has enough reserve power that as the temps drop it still makes enough electricity to do the job, so basically a larger battery will work better. As a battery age, it loses a percentage of its reserve capacity, so newer batteries have more power overall (new battery=bigger battery). Also it very important to have good clean wire connections to the battery (often overlooked item).
The above is only in the normal low-temperature environment. In some extremely cold in Canada, people's "survival" is a challenge. The lack of power supply is likely to be fatal to them, so make sure Grepow's primary responsibility is the ability of the battery to be used at low temperatures and durability. Secondly, the battery's low-temperature efficiency is higher, and people can easily get electricity in cold environments.
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Keep an eye on Grepow’s official blog, and we’ll regularly update industry-related articles to keep you up-to-date on the battery industry. Grepow: https://www.grepow.com/Grepow Blog: https://blog.grepow.com/
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