Lithium production has increased significantly in the past decade due to the growing demand for lithium-ion batteries used in electric vehicles and other electronic devices. The total global production of lithium has quadrupled since 2011, from approximately 33,000 tons to over 129,000 tons in 2022.
The three largest lithium-producing countries in the world are currently Australia, Chile, and China. Australia is the leading global producer of lithium. In 2022, Australia produced over 61,000 tons of lithium, accounting for approximately 47% of the world's total lithium production.
Once the raw lithium is extracted, it undergoes a transformation into different forms depending on its intended use. In the battery industry, lithium is typically processed into lithium carbonate or lithium hydroxide. Lithium carbonate is primarily used in the production of cathode materials for batteries, while lithium hydroxide is used in the production of electrolytes for batteries.
The United States is the world's largest consumer of lithium, but it produces only a small fraction of the lithium it needs domestically. As a result, the U.S. imports a significant amount of lithium from other countries, mainly from South America.
According to the United States Geological Survey, the U.S. imported approximately 3,400 tons of lithium in 2022. The primary sources of lithium imports for the U.S. are Argentina and Chile, which are both major lithium-producing countries.
From 2018 to 2021, Argentina was the largest supplier of lithium to the United States, accounting for about half of its total lithium imports. Chile was the second-largest supplier, providing approximately 40% of the U.S.'s lithium imports. The remaining lithium imports to the U.S. came from other countries, including China and Russia.
Currently, the United States is working to increase its domestic production of lithium to reduce its reliance on imports. The government has launched several initiatives to encourage the development of domestic lithium resources, such as investing in research and development, promoting mining and mineral processing, and streamlining permitting processes for new projects.
Lithium is processed through several stages to produce various end-use products, including batteries, ceramics and glass, lubricating greases, mold flux powders, medical, and more. The processing steps can vary depending on the intended application. More than 80 percent of raw lithium resources end up being used to make various batteries.
After the processing stage, lithium embarks on an adventure around the world, where it will be used to power everything from electric vehicles to smartphones. Battery production involves combining processed lithium with other materials, such as cobalt, nickel, and graphite, to create the cells that make up the battery. The cells are then assembled into battery packs that can power electric vehicles, smartphones, and other electronic devices.
But our trusty batteries can't last forever. When they reach the end of their life, they embark on their final journey to recycling stations where they can be transformed once again. Recycling batteries helps reduce waste and conserve natural resources, making it a critical step in the sustainability of the electric vehicle and battery industry.
The recycling process for lithium-ion batteries typically involves several steps. First, the battery is disassembled and its components are sorted. The battery's casing, wiring, and other non-metallic components are usually recycled separately, while the metals, such as lithium, cobalt, nickel, and copper, are extracted and purified.
The extracted metals can then be reused in the production of new batteries or other products. For example, recycled lithium can be used to make new lithium-ion batteries, while cobalt and nickel can be used in the production of stainless steel or other industrial applications.
Currently, most of the lithium-ion battery recycling takes place in Asia, particularly in China and South Korea. These countries have been at the forefront of developing advanced recycling technologies for lithium-ion batteries and have implemented policies to promote battery recycling. In the United States and Europe, recycling infrastructure for lithium-ion batteries is still in the early stages of development, but the field is expected to grow significantly in the past coming decades.
The journey of a lithium-ion battery is a complex multi-step process that involves several stages from its production to its disposal. As the world moves toward a more sustainable future, recycling of lithium-ion batteries will become increasingly crucial in conserving natural resources, reducing waste, and promoting a circular economy. While there is still a long way to go, advancements in technology and the implementation of policies to promote battery recycling are encouraging steps for a greener economy.