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Cars The performance of an electric car can PLUMMET when the temperature drops: Here's three ways to boost batteries when weather turns cold

12:25  14 february  2020
12:25  14 february  2020 Source:   dailymail.co.uk

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Cold weather is no fun for battery -powered cars , but experienced owners have a few tips for getting by when the mercury drops . Lately, Tesla has been keen to emphasize the performance of its cars on snow and ice, tweeting out a video of the Model 3 swashbuckling about a winter proving grounds

Electric cars offer the biggest savings over diesel in Norway (27%) as the battery -powered vehicles are exempt from a heavy registration tax. Wappelhorst said financial incentives for electric cars would not be needed when purchase prices fall to that of fossil-fuel powered cars , which is likely

More drivers are likely considering making the switch to electric vehicles given recent news that the sale of new petrol, diesel and hybrid cars could be banned as early as 2032.

But that's not to say motorists don't have their concerns; primarily centred around range anxiety, a lack of public charging infrastructure, how the national grid will cope with increased demand and the upfront cost of plug-in vehicles.

But another question that might be on the lips of potential buyers - especially at this time of year - is if there is a dip in performance when the weather turns colder?

a car covered in snow: Temperature toll: Electric car range, battery performance, charging times and effectiveness of regenerative braking all decline when weather conditions turn colder, according to VW © Provided by This Is Money Temperature toll: Electric car range, battery performance, charging times and effectiveness of regenerative braking all decline when weather conditions turn colder, according to VW

There's no doubting that electric car demand is on the rise, but given the warnings of sub-zero temperatures in the next week, many will be asking if these vehicles are impacted by cooler conditions.

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When temperatures dip below freezing, vehicle car can suffer. Metal will shrink in cold temperatures .” Here are five of the biggest ways cold can affect and damage your vehicle. I heard when the temperature drops to 14 below zero this causes spring steel, like the big coil springs in

Overall, electric cars are more efficient than gasoline cars because an electric motor is much more efficient in turning stored electricity into motion than an internal combustion engine is in converting There are ways to reduce the impact of cold temperatures on the performance and range of EVs.

According to Volkswagen Financial Services' Fleet division, a drop in degrees will not just impact electric vehicle range, but charging times and regenerative braking systems.

Range

The range of an electric will reduce in cold weather, VW states.

It claims that in the coldest of conditions, range capacities between charges can reduce by up to 50 per cent from a cold start, although in typical use it's more likely to be around 20 to 30 per cent.

This is mostly the case when owners are making lots of short journeys, where the car cools down between each trip.

a car parked on the side of a snow covered road: The range between vehicle charges can fall by as much as 50 per cent in extremely cold temperatures because electric cars don't generate waste heat to warm the interior © Provided by This Is Money The range between vehicle charges can fall by as much as 50 per cent in extremely cold temperatures because electric cars don't generate waste heat to warm the interior

That's because electric cars do not generate much waste heat like vehicles with internal combustion engines.

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2010 Tesla Roadster Sport 2.5 Cold Weather Testing. We’re big fans of Mythbusters here at So we decided to test a myth we hear time and time again: electric cars can ’t go very far in the Winter While the temperatures we were set to experience were mild in comparison to a severe north east

In a petrol or diesel car, waste heat produced by the engine is used to warm the vehicle cabin.

The powerplants in electric vehicles are between 75 and 90 per cent more efficient by comparison and the moving parts in the electric motors don't generate surplus heat.

That means drivers of electric cars will have to rely on the car's heating system to get warm when they drive, thus sapping power and reducing range.

Colder batteries cannot be charged as quickly as a warm one and therefore may take longer in the winter © Provided by This Is Money Colder batteries cannot be charged as quickly as a warm one and therefore may take longer in the winter

Charging

Rapid charging can be slower in cold weather because the battery will be colder than in the summer, and a colder battery cannot be charged as quickly as a warm one, VW explains.

This means charging times may be longer for winter journeys.

It recommends that electric car owners should be aware of this issue when planning an early morning start or a quick pit stop en-route.

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Electric motors are coming whether we want them or not. So let’ s not pout, but instead celebrate the ways in which electric vehicles actually outperform By simply allowing the wheels to turn the motor (and use its inertia as drag), the forward motion of the car charges batteries instead of heating up

When cold , a phone battery can drain faster than normal, or it might say it has ample power remaining and then suddenly go dead. The problems are only temporary and the battery should behave normally when the device is brought back up to warmer temperatures . "In the event that your phone does

A 'cold-soaked' battery may not charge at all until it is warmed up by the charger, but there are ways to avoid this (see Smart Charging tip in boxout below).

a car covered in snow: Performance of electric cars in cold weather isn't one of the most common hurdles motorists have with switching from petrol and diesel motors, but it does make a difference © Provided by This Is Money Performance of electric cars in cold weather isn't one of the most common hurdles motorists have with switching from petrol and diesel motors, but it does make a difference

Battery performance

Batteries need to be kept warm to perform optimally, which means they either need to be warmed up using their own energy or, ideally, pre-warmed via a chargepoint.

Batteries also need to be kept warm whilst driving – even if you've been driving for an hour with the heater on, the inside of your windscreen will still be very cold to touch, and so will the battery underneath the vehicle.

Therefore some energy will be used purely to keep the battery at operating temperature.

Regenerative braking

Electric cars are fitted with regenerative brakes. These use the vehicle's electric motor as a generator to convert much of the kinetic energy lost when decelerating back into stored energy in the vehicle's battery.

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One way to understand some of the electrical concepts happening inside your phone is to use the analogy of an opaque water barrel, where the Similarly, if a car battery ’ s output reads 13.2 volts when fully charged, and reads 11.8 volts when it’ s unusably empty, you can use that scale (13.2 volts

When the battery packs in a lithium-ion-powered vehicle are deemed too worn out for driving, they still have up When lithium-ion batteries reach a recycling plant, there are two ways to pulverize them. The liquid nitrogen is so cold , the batteries can't react, so the smashing is safe. And probably fun.

Performance of these systems can also reduce in cold weather, because this is also linked to battery temperature and charging.

This means the car may feel different to drive in cold weather, requiring more manual braking from the driver as the effectiveness of regenerative braking is often reduced.

a car parked on the side of a mountain: Regenerative brakes aren't as effective in cold conditions, meaning drivers have to be more involved to slow the car than they would in summer months © Provided by This Is Money Regenerative brakes aren't as effective in cold conditions, meaning drivers have to be more involved to slow the car than they would in summer months

How to boost electric car performance when it is cold

Mike Coulton, electric vehicles consultant for Volkswagen Financial Services, there are measures you can take to make your battery-powered car perform more efficiently in icy temperatures.

1. Smart charging

'If you know what time you're leaving in the morning, make sure your overnight charge finishes as close to this time as possible.

'This will mean the battery will be warmer because of the charging activity, so you won't lose (as much) range by the vehicle having to warm the battery from its own energy reserves.

'You should also feel more regenerative braking as a result, which is good for range.'

2. Pre-conditioning

'This is where you pre-heat the car prior to setting off, but from the mains electricity supply (whilst charging) rather than by using the battery.

'Another benefit is you'll never have to scrape your windscreen again – pre-heating the car's cabin also defrosts all the windows, which is a welcome bonus.

'On some vehicles you can even remotely turn on the heated seats, steering wheel and windscreen demister too.'

3. Heat management

'Surprisingly, it is much more efficient to use the heated seats and steering wheel [if your electric car has these features] than it is to heat all the air in the cabin.

'Therefore, to maximize range in cold weather, it's recommended that you pre-heat the cabin whilst the vehicle is plugged in and charging to a nice warm temperature, then when you get in turn the cabin heater down 1-2'C and use the heated seats/steering wheel/etc. to maintain a comfortable temperature for the driver and passengers.'

Read more

Snow, ice and -8C - UK's mild weather will come to abrupt end tonight .
The UK could get its coldest night this winter - with potential for snow and ice causing travel disruption. © Other Snow and ice is predicted for some parts of the UK Temperatures could plummet to -8C (17.6F) in parts of Scotland overnight.Sky News' weather team says there is a chance the chilliest parts of the country could beat this winter's lowest temperature of -10.3C (13.5F), which was recorded on New Year's Day at Scotland's Tulloch Bridge. © Reuters A chilly breeze is also expected on Monday "Tonight could be the coldest night of winter so far," the team said.

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