Meeting the world’s soaring need for lithium-ion batteries

Global production of lithium-ion batteries, which has already increased rapidly in the past decade, is set to grow extensively in the next decade. This will have a knock-on effect on demand for raw material and key components.

The lithium-ion battery has already reshaped the way we live by enabling the proliferation of mobile phones and tablets. Now the technology is helping to drive the electrification of transportation and the transition to renewable energy. In fact, the lithium-ion battery has become so vital to technological progress that in 2019 its inventors were awarded the Nobel Prize in Chemistry.

Cusp of a battery boom

Sachin Pimpalnerkar, Global Segment Manager for Renewables, KanthalSince the 1990s, the growth in lithium-ion battery production has been powered by growing demand for portable consumer electronics such as smartphones, tablets and laptops. However, while this will remain a significant segment, the development of electric vehicles has sparked a surge in demand for batteries. The European Commission has estimated that the world will have between 50 million and 200 million electric cars by 2028, up from 4 million in 2018, and as many as 900 million vehicles by 2040.

In addition, the transition to renewable energy sources is set to increase demand for lithium-ion batteries for storage. Since solar and wind power are intermittent sources, they are not as dependable as fossil fuels. However, by providing the capacity for storage, lithium-ion batteries could make renewable energy far more reliable and viable.

Lithium-ion batteries are a huge technological enabler, and this is going to drive tremendous growth in manufacturing capacity, especially in Europe

“Lithium-ion batteries are a huge technological enabler, and this is going to drive tremendous growth in manufacturing capacity, especially in Europe,” says Sachin Pimpalnerkar, Global Segment Manager for Renewables, Kanthal.

Getting more for less

Besides stepping up production capacity, there are two other key areas for battery manufacturers to focus on: continuous improvement in the energy density of batteries and drastic reductions in costs.

“Electric vehicles today have a limited driving range, take too long to recharge and the costs are still too high,” Pimpalnerkar says. “Almost 30 to 40 percent of the cost of an electric car is in the battery itself. However, energy density is improving, which means you can get more energy in the same space, and the price is continuously decreasing. At some point soon in the future, it will become comparable to a combustion engine.”

Between 2010 and 2023, the average cost of a lithium-ion battery pack is projected to have fallen from 1,160 US dollars per kilowatt-hour to close to just USD 100/kWh. Current projections suggest that by 2024 the price could fall below 100 dollars per kWh, which is the point at which electric vehicles achieve parity with the traditional internal combustion engine.

Expanding production

To meet this demand, current production will have to grow exponentially in the coming years. According to Wood MacKenzie, a global research and consultancy firm, cumulative lithium-ion battery capacity is projected to rise more than fivefold to 5,500 GWh between 2021 and 2030. Meanwhile China’s capacity in 2023 is expected to be as high as 800 GWh.

This will have a knock-on effect on demand for raw materials.

New technologies for extraction and sources of supply can fill the gap, according to a McKinsey & Company study. A pipeline of projects will likely introduce new players and geographies to the market, such as Eastern Europe, Mexico, the US and Canada, but also locations not typically associated with lithium mining: Siberia, Thailand, the UK and Peru.

According to the McKinsey study, technology development, such as extracting lithium from oil-field wastewater, could be a new source. Likewise, new methods for a direct lithium-to-product process, called DLP technology, could have a significant impact on supply if proven successful.

Meanwhile, battery recycling is expected to increase during the current decade, but at low levels. By 2030, this secondary supply is projected to account for around just 6 percent of total lithium production.

“As demand for lithium-ion batteries rapidly takes off, the world’s lithium producers are investing in new and improved lithium refineries with minimal environmental impact,” Pimpalnerkar says. “As for the heating processes involved in extracting lithium, the challenge, as with all industrial high-temperature production processes, is to minimize emissions of CO2 and other harmful gases, such as NOx, and to maximize energy efficiency and productivity – all of this while ensuring a consistent, high-quality output. This is where Kanthal’s electric heating systems come into play.”

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Efficient and sustainable heating processes are vital when the lithium-ion battery industry scales up production to meet the fast-growing demand. Kanthal’s electric heating technology increases energy efficiency and productivity, while reducing emissions of CO2 and NOx. Learn more about the benefits for your process needs.

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