Ready, Set, Charge!

If you are one of the many who has opted for an EV for whatever reason, then the time will come when you have to charge it up – just like you have to charge up your phone, e-reader or laptop. However, charging an EV is not quite the same as filling up a petrol or diesel tank, and if you’ve never done it before, there are a few things that you’ll have to get used to, especially regarding the different charging speeds.

Deep breath required here. There will be maths.

With all types of charging, the exact amount of time you’ll need to charge the battery will depend on the voltage of the outlet and the battery capacity. The formula for working it out is:

E = P × t

Makes you feel a bit like Einstein, saying that. E is energy, P is power and t is time.  Rearrange this and you get t = E/P or, in plain language:

Your EV’s battery capacity (in kWh) ÷ power output of the charger (in kW) = hours of charging time

This equation, however, mainly applies to charging to 80% rather than 100% (and this is the charge time figure that you’ll see in specs and stats from the manufacturers of EVs). This is because charging isn’t a linear process and it slows down as the battery gets closer to full charge. It’s a mechanism that helps prevent overheating. If you want to charge to 100%, bear in mind that doing so will take a bit longer.

The thing that most people are concerned about is the charging speed. In fact, the charging times are one factor that can put people off purchasing an EV, especially an all-electric BEV or a PHEV. Here in Australia, we have reasonably sensible names for the different charging speeds, unlike in other countries, where you have to ask a few questions to be sure what you’re talking about during a discussion of fast charging – you’ll hear some people talk about fast charging as something different from rapid charging (I feel sorry for those who don’t speak English as their first language because – well, you try explaining the difference between fast and rapid!). Here, we keep things straightforward, calling the two most common charging speeds Level 1 and Level 2, with only the fastest type being called “DC fast charging”.   

Level 1 charging is simplest type of top-up charging that you can do at home or anywhere else you can access a standard common or garden power socket.  It seems very simple but the trouble is that this type of charging is very, very slow. Recharging a completely drained battery will take at least a whole day, as in a 24-hour day.  It could even take 48 hours, which is fine if you’ve got the whole weekend to recharge your car’s batteries as well as your own and don’t have to go anywhere.  On the other hand, if you find yourself at a relative’s place in the country and not enough charge to get you home, you can just plug in and recharge enough to get you home again, or at least to the nearest public charging station (it would be nice if you compensate your relative for the power you’ve used, same as if they let you have a jerrycan of petrol if you’d run out). You may hear this referred to as trickle charging.

Level 2 charging is the sort of charging you do with one of those wall boxes in your home, and Level 2 chargers are what you’ll find in typical public chargers of the kind you’ll see at the supermarket, mall or gym and, if you’re really lucky, at work. Typically, you get around 7.2 km of mileage for every 10 minutes of charging with a 7.2 kW unit, or 22 km of mileage for every 10 minutes with 22 kW charging. (Is anybody else getting flashbacks to the sorts of word problems we had to solve at school?)

However, remember that these mileage figures are approximate and are under ideal conditions. If you have a heavy load, if you have to go into a headwind, or if you want to run the lights or heaters or play music, you’ll reduce the range.

Commercial outlets will often provide chargers not just for their customers’ convenience (although this is certainly part of their motivation) but also as a marketing ploy. If you need to ensure that you’ve got enough charge in your battery to get you home again after work and shopping, then you may need a couple of hours to charge the battery to the right level. However, it may take you only one hour to do your workout at the gym or to pick up your groceries, leaving you with time to kill. Chances are that you’ll spend time in the gym cafeteria or that you’ll spend a bit longer in the supermarket browsing the shelves to fill in the time and will thus spend more money, which is what the commercial outlets are hoping for.  Just be aware of this little ploy and budget for it, develop some iron self-discipline and a healthy bit of patience, or take a book. Just don’t make the mistake of sitting in your car doing things on your phone or laptop with your device plugged into the charger in the car!

Speaking of budgets, a home wallbox will have to be bought separately when you buy a new EV. It’s a good idea to buy one, as otherwise you’ll be relying on super-slow trickle charging or public charging stations to top up the battery. It will also need to be installed by a professional electrician, like your oven or hot water cylinder and for the same reasons. You’ll also have to factor the cost of labour in as well. This is something to keep in mind.

DC fast charging (aka rapid and ultra-rapid charging) uses DC electricity, whereas Levels 1 and 2 use AC electricity. The best known DC chargers are the Tesla superchargers even though, ironically, the original Nikola Tesla promoted and popularized the use of AC electricity. How fast this type of charging will be will depend on the battery, but charging can be done in less than an hour, depending on the kW rating and the type of car. Some EVs charge faster than others. It has to be remembered that not all EVs are compatible with DC fast charging; this is often the case with PHEVs. This is something to check and think about when you buy an EV.

It’s also important to understand the different types of connectors or plugs, but that’s another story for another time.

New Cars, New Year.

Happy New Year to you all!  2023 sees some brand new cars coming into view, and we’re set to observe a considerable increase in the number of EVs sold on our shores.  Here’s a brief look at some of the exciting cars and SUVs you can get your hands on in the near future!

Alfa Romeo Tonale

Here’s the first of the Alfas that take the special brand into EV mode.  The Alfa Romeo Tonale Hybrid kicks it off with its hybrid engine offering the new 48-volt hybrid propulsion system.  You’d expect an Alfa to be sporty, and the nicely designed compact SUV delivers on this front.  Comfortable interiors and decent technology make this a good way of upgrading into 2023.

BMW iX1

The smallest X model from BMW comes in as the X1, and the iX1 is the EV model with a battery range up over 400 km.  Nicely laid out interiors, an athletic driving style (typical Beemer), and a good dollop of performance make this a great new compact SUV.

BYD Atto 3

The BYD Atto 3 is a new kid on the block for Australia.  Being an electric medium-sized SUV with a decent range makes this an efficient EV for the new year.  The Atto 3 also offers a comfy interior and plenty of the latest technology and safety features.

CUPRA Born

CUPRA cars are exciting.  They have plenty of performance and are generally a well-priced product with high-end features.  This new model called the CUPRA Born is an EV with a handsome range of beyond 500 km.  The CUPRA Born is an exciting car to look at, and it comes with advanced technology and great connectivity.

Ford E-Transit

Ford’s lovable Transit has a new ticker with the latest vans now offering electric power.  This is a brand new, full-size, pure-electric E-Transit that features a 68 kWh battery and a driving range of up to 317 km.  Ford say that it is possible to fast-charge the E-Transit from 15% to 80% in a bit over 30 minutes.

GWM Tank 300

One of the best vehicles to come out of 2023 will be the impressive looking GWM Tank 300.  Doesn’t it make a statement!  The Tank is powered by a 2.0-litre petrol-electric hybrid system, and the internal-combustion engine offers a juicy 180 kW.  Nappa leather, all the tech, and very handy off-road makes this a hugely appealing.

Lexus RX

Toyota has their luxury Lexus brand offering their latest RX.  If you’re wanting a new hybrid, these are some of the best ones out there.  Toyota make a great hybrid powertrain with smooth performance and impressive efficiency.  The RX interior sees an updated luxury interior design with ever-impressive build quality.  The RX is roomy too and very comfortable.

Maserati Grecale

Maserati is becoming ever more affordable.  That’s a great thing because they make great cars.  The new Maserati Grecale is a front-engine, medium-sized luxury SUV that comes with the promise of plenty of performance.  Three engines are available: two 2.0-litre petrol motors and a 3.0-litre V6 petrol.  Generous on the equipment levels, the Grecale will be rewarding to drive.

MG4

MG offers the new MG4 hatchback this year.  It is an affordable electric hatchback that has been packed full of innovation, style, technology, and an impressive 440 km driving range.

Nissan X-Trail E-Power Hybrid

Nice to look at, and equally at home off-road as it is on, the Nissan X-Trail E-Power Hybrid SUV is very comfortable and very well-equipped.  Rear cargo capacity in the 5 seat version of this awesome SUV is 575 litres (super handy for a family).  A 7-seat option is also available.  The entry point model is a mild hybrid version and uses a 1.5-litre petrol most of the time.  The other powerplant uses the same 1.5-liter ICE, but it doesn’t connect to the wheels directly.  Instead, it becomes the electrical generator of the system that works in unison with a small battery operating as a buffer.  The wheels are fed power via electric motors.

Renault Kangoo

Renault’s new Kangoo definitely can do, especially with its brand new E-Tech EV versions becoming available for the Australian market.  This will be Australia’s cheapest electric van.  The E-Tech has a 90 kW/245 Nm electric motor that drives the front wheels via a single-speed transmission.  You should easily run about town for well over 250 km before needing to recharge.

Keep your eyes open for these new models travelling our roads and on showroom floors across Australia.  Also keep your ears open via Private Fleet, where we’ll keep you up to date with what other new models are coming our way shortly.  All the best for 2023!

Understanding Current Hybrid Vehicle Technology

So, what is a hybrid car in 2022?  What is the current technology ?

A hybrid vehicle combines at least one electric motor with an internal combustion engine (ICE) to move the car.  This system is set up to recapture any energy from regenerative braking.  There will be times when the electric motor can do all the all the work of moving the car, and then sometimes the ICE will do 100% of all the work.  And then there will be times when the electric motor and the ICE work together to move the vehicle along.

The  hybrid system ultimately has the end result of less fuel being burned and, therefore, offering its driver better fuel economy.  In some circumstances, like in a short quick passing manoeuvre, adding electric power to the ICE power will can even boost the vehicle’s performance for performing the task.

All hybrid systems are set up for the electric motor to use electricity coming from a high-voltage battery pack.  This battery pack is separate from the car’s conventional 12-volt battery system that runs the auxiliary car systems (e.g., air conditioning, headlights, coolant fan, etc.).  The high voltage battery pack is replenished by capturing energy from deceleration (typically this energy is lost to heat that is generated by the brakes in a conventional ICE-only vehicle).  So, the regenerative braking system captures this deceleration energy and sends it back to the high voltage battery pack which runs the vehicle’s electric motor.  Hybrid vehicles are also designed to use the ICE to charge and maintain the high voltage battery pack.

The main Hybrid Designs are:

Parallel Hybrid

The electric motor(s) and ICE are connected in a common transmission (automatic, manual, or a CVT) that will blend the two sources of power for moving the vehicle.

Series Hybrid

A Series Hybrid is where the electric motor(s) provide all the thrust, and there is never a physical or mechanical connection between the ICE and the wheels.  The ICE is purely onboard for recharging the high voltage battery pack.

Plug-In Hybrid (PHEV)

The plug-in hybrid system enhances the conventional hybrid concept with a much larger high voltage battery pack.  As this is similar to a conventional electric vehicle (EV), it must be fully recharged using an external electricity source (i.e., charged from your home power supply, your office, or a public charging station).  Because the energy storage is much greater, it allows for extended all-electric driving, thus significantly reducing your fuel consumption.  In fact, short commutes and a recharge nightly means that you’ll be running on electricity most of the time (great for city driving).  Should you deplete the large battery pack, the car simply reverts to being a conventional parallel hybrid, using the assistance of an ICE.  Plug-in hybrids can be either a series or a parallel hybrid system.

Mild Hybrids

When you hear the term Mild Hybrid, don’t start thinking it is anything like the Parallel Hybrid, Series Hybrid, or Plug-In Hybrid (these 3 are considered “full hybrids”) mentioned above.  In a Mild Hybrid vehicle, the electric motor is there to only assist the ICE for the purposes of improving fuel economy, increasing performance, or both.  It won’t ever fully move the vehicle on its own.

The Lithium Rush

Lithium is in very hot demand at present.  Like a new frenetic modern-day gold rush, it seems that big companies wanting lithium are frantically looking for this new sort of gold.

Obviously, lithium is required in the production of lithium-ion battery cells that are used for powering EVs.  In order to make sure that they don’t run short of lithium anytime soon, China, which has the largest EV market in the world, produces 80% of the world’s usable lithium product all on their own.  In a statement recently, Sung Choi, a metals analyst, stated that “The cost of lithium has risen because virtually all automakers have jumped onto producing EVs.”

Currently, over half of the world’s lithium resources are in South America and Australia.  As prices for lithium are surging – and some metal analysts at BloombergNEF (BNEF) have witnessed an almost 500% increase in the past year – China seems to be leading the charge in the hunt for new lithium mining reserves.

China is searching around the world for new lithium deposits that can supply their big need for the metal used in EV production.  China has even looked at the Qinghai-Tibetan plateau as a source for the metal, as well as in Africa.  Sung Choi also said that “Africa has recently been in the spotlight with its ample resources in metals.”

Some of the African lithium mining fields being looked at by China include the reserves found in the Democratic Republic of Congo, where Zijin, a Chinese mining giant, is battling with Australia’s AVZ minerals over controlling the DRC’s Manono mine.  Quite possibly, the Manono mine has the world’s biggest lithium deposit.

Last year, Congolese President Félix Tshisekedi said that people living in areas with mines were “still languishing in misery,” while it was the foreign multinationals running the mines who prospered.  The mines do provide locals with jobs, but many would say that the locals don’t see enough trickle-down reward from the massive multimillion-dollar projects.

Also, in Zimbabwe there are large untapped deposits of lithium, and China is rapidly buying up these resources.  Zhejiang Huayou Cobalt, a Chinese-based company, has recently purchased Arcadia Lithium mine outside Harare.  The money (some $300 million) will be used to construct a mining plant with a processing capacity of 400,000 metric tons of lithium concentrate per year.  The Zimbabwean government has welcomed this recent investment, looking forward to helping fill China’s and the EV’s need for lithium-based batteries.

The current and potential growth of the EV industry, and therefore the rush for new lithium resources, has had companies like Tesla seriously considering getting into lithium mining and refining directly for themselves.  Maybe it is Toyota who is taking the more manageable approach to the mass production of EVs.  Their pace toward an EV transfer seems to take a better-calculated methodology when compared with some other big automotive manufacturers who seem driven on producing a fleet of their own EVs as fast as possible.  Toyota sees the value in hybrid technology building a bridge to solving any issues around climate change and the EV mindset.

Lithium isn’t just used in the production of EV battery packs.  Lithium is also used in rechargeable batteries for mobile phones, laptops, digital cameras, and in warfare equipment. It is also used in some non-rechargeable batteries for things like heart pacemakers, clocks, and toys.  The future and the course of EV production and EV uptake does seem to depend on the amount of lithium being available and the costs involved for mining it.  These costs will affect how much a new climate change-solving EV might eventually sell for.