How Much Copper is in an Electric Vehicle?
Copper’s special relationship with electricity has been apparent since ship designers first regularly began installing copper to protect the masts of wooden ships from lightning in the early 19th century.
Today, of course, you might be more used to seeing copper’s electrical applications through the use of power lines, telephone wires, and wiring in practically every major home appliance you own.
Millions of tons get used for these applications every year, but it is still early days for copper’s use in electrification. That’s because copper will continue to be a critical component of the green energy revolution, thanks to the rising adoption of battery-powered vehicles.
Today’s visualization comes to us from Canadian Platinum Corp., and it focuses on showing how much copper is in an electric vehicle, along with the properties that make it the ideal choice for an EV-powered future.
Here is why copper is a crucial component to vehicle manufacturers:
Copper costs roughly $0.20 per ounce, compared to silver ($15/oz) and gold ($1200/oz), making it by far the cheapest option for electrical wire.
Copper is nearly as conductive as silver – the most conductive metal – but comes at a fraction of the cost.
Copper can easily be shaped into wire, which is important for most electrical applications.
It’s also important to note that temperature does not affect copper’s conductivity, which makes the metal ideal for automobiles in all climates.
Copper in Gas vs. Electric Vehicles
The UBS Evidence Lab tore apart a traditional gas-powered vehicle as well as an EV to compare the different quantities of raw materials used.
What they found was crucial: there is 80% more copper in a Chevrolet Bolt, in comparison to a similar-sized Volkswagen Golf.
The major reason for this is that at the heart of every EV is an electric motor, which is built with copper, steel, and permanent magnets (rare earths). Electric motors tend to be much simpler than gas-powered engines, which have hundreds of moving parts.
Incredibly, in an electric motor, there can be more than a mile of copper wiring inside the stator.
The More Electric, the More Copper
According to Copper.org, along the scale from gas-powered cars to fully electrical vehicles, copper use increases dramatically.
Conventional gas-powered cars contain 18 to 49 lbs. of copper while a battery-powered EV contains 183 lbs. Meanwhile, for a fully electrical bus, a whopping 814 lbs. of copper is needed.
With the rapidly increasing adoption of electric vehicles, copper will be an essential material for the coming electrification of all forms of ground transport.
Copper is at the heart of the electric vehicle and the world will need more. By 2027, copper demand stemming from EVs is expected to increase by 1.7 million tonnes, which is a number just shy of China’s entire copper production in 2017.
Visualizing Copper’s Role in the Transition to Clean Energy
A clean energy transition is underway as wind, solar, and batteries take center stage. Here’s how copper plays the critical role in these technologies.
A future powered by renewables is not in the distant horizon, but rather in its early hours.
This new dawn comes from a global awareness of the environmental impacts of the current energy mix, which relies heavily on fossil fuels and their associated greenhouse gas emissions.
Technologies such as wind, solar, and batteries offer renewable and clean alternatives and are leading the way for the transition to clean energy. However, as with every energy transition, there are not only new technologies, but also new material demands.
Copper: A Key Piece of the Puzzle
This energy transition will be mineral intensive and it will require metals such as nickel, lithium, and cobalt. However, one metal stands out as being particularly important, and that is copper.
Today’s infographic comes to us from the Copper Development Association and outlines the special role of copper in renewable power generation, energy storage, and electric vehicles.
The red metal has four key properties that make it ideal for the clean energy transition.
It is these properties that make copper the critical material for wind and solar technology, energy storage, and electric vehicles.
It’s also why, according to ThinkCopper, the generation of electricity from solar and wind uses four to six times more copper than fossil fuel sources.
Copper in Wind
A three-megawatt wind turbine can contain up to 4.7 tons of copper with 53% of that demand coming from the cable and wiring, 24% from the turbine/power generation components, 4% from transformers, and 19% from turbine transformers.
The use of copper significantly increases when going offshore. That’s because onshore wind farms use approximately 7,766 lbs of copper per MW, while an offshore wind installation uses 21,068 lbs of copper per MW.
It is the cabling of the offshore wind farms to connect them to each other and to deliver the power that accounts for the bulk of the copper usage.
Copper in Solar
Solar power systems can contain approximately 5.5 tons of copper per MW. Copper is in the heat exchangers of solar thermal units as well as in the wiring and cabling that transmits the electricity in photovoltaic solar cells.
Navigant Research projects that 262 GW of new solar installations between 2018 and 2027 in North America will require 1.9 billion lbs of copper.
Copper in Energy Storage
There are many ways to store energy, but every method uses copper. For example, a lithium ion battery contains 440 lbs of copper per MW and a flow battery 540 lbs of copper per MW.
Copper wiring and cabling connects renewable power generation with energy storage, while the copper in the switches of transformers help to deliver power at the right voltage.
Across the United States, a total of 5,752 MW of energy capacity has been announced and commissioned.
Copper in Electric Vehicles
Copper is at the heart of the electric vehicle (EV). This is because EVs rely on copper for the motor coil that drives the engine.
The more electric the car, the more copper it needs; a car powered by an internal combustion engine contains roughly 48 lbs, a hybrid needs 88 lbs, and a battery electric vehicle uses 184 lbs.
Additionally, the cabling for charging stations of electric vehicles will be another source of copper demand.
The Copper Future
Advances in technologies create new material demands.
Therefore, it shouldn’t be surprising that the transition to renewables is going to create demand for many minerals – and copper is going to be a critical mineral for the new era of energy.
Everything You Need to Know on VMS Deposits
Deep below the ocean’s waves, VMS deposits spew out massive amounts of minerals like copper, zinc, and gold, making them a key source of the metals we use.
Everything You Need to Know about VMS Deposits
People are often not aware of where their most prized devices really come from.
Phones, cars, and computers might not seem like the most natural objects. But the metals that make them come from natural processes deep in the earth’s crust – processes that have been going on for 3.4 billion years, and continue to this day.
Today’s visualization comes to us from Foran Mining Corp. and goes in depth to show how one type of mineral deposit, Volcanogenic Massive Sulphide or “VMS”, forms and is the primary source for many of the materials that make the modern world.
What is a VMS Deposit?
Volcanogenic Massive Sulphide (VMS) deposits are one of the richest sources of metals such as copper, lead, and zinc globally. VMS deposits can also produce economic amounts of gold and silver as byproducts of mining these deposits.
Currently, global metal production from VMS deposits account for 22% of zinc, 9.7% of lead, 6% of copper, 8.7% of silver and 2.2% of gold.
Where are VMS deposits found?
VMS deposits occur around the globe and often form in clusters or camps, following the tectonic plate boundaries in areas of ancient underwater volcanic activity.
Natural processes underway today are forming the VMS deposits of tomorrow. This gives scientists an incredible advantage in witnessing how VMS deposits form and gives a special advantage to geologists for what to look for.
Mineralization and Formation
The geological processes that form VMS deposits occur at the depths of the ocean and are associated with volcanic and/or sedimentary rocks.
At sections where the Earth’s crust is thin due to faulting or separation of tectonic plates, the magma heats up the ocean floor.
As the Earth’s crust heats up, the ground softens and allows heated magma to escape towards the ocean or crust contact, the early beginning of a volcano and the deposition of minerals into the ocean floor from magma. Also, the heated ground cracks and begins a process that draws in sea water into the crust which becomes super-heated and imbued with minerals. Black and white smokers expel this seawater back to the surface.
Black and white smokers exhale a mineral rich-plume that spreads out over the ocean floor. As it moves farther and farther away from its heat source, the plume precipitates minerals onto the ocean floor. Over time, the continual activity of the smokers and their mineral rich plumes create mineralized beds that become VMS deposits.
With the movement of the Earth’s tectonic plates, these mineral rich beds are transposed and can be found on land that was once underwater.
How Big Can VMS Deposits Get?
Current resource and historical production figures from 904 VMS deposits around the world average roughly 17 million tonnes (“Mt”), of which is approximately 1.7% copper, 3.1% zinc, and 0.7% lead.
A few giant mineral deposits (greater than 30 Mt) and several copper-rich and zinc-rich deposits of median tonnage (~2 Mt) skew the averages.
Several large VMS camps are known in Canada, including the Flin Flon, Bathurst and Noranda camps. The high-grade deposits within these camps are often in the range of five to 20 million tonnes of ore and can be much larger.
Meanwhile, approximately 90 VMS deposits have been discovered in the Iberian Pyrite Belt which runs through Portugal and Spain. Several of these are larger than 100 million tonnes, making this region one of the most significant hosts to VMS deposits in the world.
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