Lithium demand is projected to more than triple by 2040, driven by electric vehicles and rapidly expanding battery-storage markets. Demand has already grown by around 25% annually since 2023, making lithium one of the fastest-growing critical minerals in the energy transition.
Production is beginning to diversify beyond Australia, China, Chile and South America’s Lithium Triangle, with new hard-rock and brine projects emerging worldwide.
Lithium is a soft, silvery-white metal, chemical symbol Li and atomic number 3. It is the lightest metal and the lightest solid element under standard conditions.
Lithium is highly reactive and does not occur naturally as a pure metal. Instead, it is found in minerals, saltwater brines, clays and other geological fluids. Commercial producers convert these resources into compounds such as lithium carbonate and lithium hydroxide.
The name comes from the Greek word lithos, meaning “stone”. Lithium was first identified in a mineral, distinguishing it from alkali metals initially discovered in plant material.
Today, lithium is best known for its role in rechargeable batteries. It is also used in glass, ceramics, lubricating greases, metal alloys, air treatment and medicine.
Lithium has a strong electrochemical potential and low atomic weight. These properties help lithium-ion batteries store substantial energy in a compact, relatively lightweight system.
Lithium does not create energy by itself. Within a battery, lithium ions move between the cathode and anode during charging and discharging, allowing electrical energy to be stored and released repeatedly.
This makes lithium important across:
Unlike nickel or cobalt, lithium is present in all mainstream lithium-ion battery chemistries, including lithium iron phosphate and nickel-based batteries.
Batteries are the largest source of lithium demand.
A lithium-ion cell typically contains:
During charging, lithium ions move from the cathode towards the anode. During discharge, they return to the cathode, releasing electricity through the external circuit.
The amount of lithium required depends on battery capacity, chemistry, cell design and manufacturing efficiency.
Lithium-ion batteries dominate the electric-vehicle market because they provide a strong combination of energy density, efficiency, lifespan and rechargeability.
Lithium is used across several EV battery chemistries, including:
Changes in cathode chemistry can significantly alter demand for nickel, cobalt, manganese or phosphate. They have less effect on whether lithium is needed because lithium remains the charge-carrying element.
Lithium requirements per vehicle vary with battery size. Larger and longer-range vehicles generally require more battery material than smaller vehicles, although improvements in cell and vehicle efficiency can reduce material intensity.
Lithium-ion batteries are widely used to store electricity for power networks, businesses and homes.
Storage systems can:
LFP batteries are widely used for stationary storage because they offer a strong combination of cost, safety, lifespan and frequent cycling.
Lithium-ion systems compete with pumped hydropower, flow batteries, compressed-air storage, thermal storage and other technologies. The preferred technology depends on duration, location, scale and system requirements.
Lithium-ion batteries power smartphones, tablets, laptops, cameras, headphones, watches and other portable devices.
Their high energy density allows manufacturers to produce smaller and lighter products with longer operating times than many earlier rechargeable battery technologies.
Rechargeable lithium batteries are also used in:
Portable electronics provided the early commercial market for lithium-ion batteries before electric vehicles became the main source of growth.
Lithium minerals and compounds are used in specialist glass and ceramic products.
They can:
Applications include heat-resistant cookware, glass-ceramic cooking surfaces, industrial ceramics, optical glass and specialist construction materials.
Some producers use lithium mineral concentrates directly, while others require refined lithium compounds.
Lithium compounds are used to manufacture high-performance lubricating greases.
Lithium-based greases can remain stable across a broad range of temperatures and resist water, making them useful in vehicles, industrial machinery, bearings and other mechanical equipment.
This is a mature market that competes with greases based on calcium, aluminium and other chemical systems.
Lithium can be alloyed with aluminium and other metals to create lightweight materials for aerospace and specialist engineering.
Lithium compounds also have uses in:
Certain lithium compounds are used as prescription medicines. Medical lithium should be understood as a regulated pharmaceutical application, distinct from industrial battery materials.
Commercial lithium is produced mainly from hard-rock minerals and lithium-rich brines.
Other potential sources include sedimentary clays, geothermal fluids and brines associated with oil and gas production.
A large lithium resource is not automatically an economic reserve. Commercial viability depends on concentration, mineralogy, impurities, water and energy requirements, processing recovery, infrastructure, product quality and market prices.
The most important hard-rock source of lithium is spodumene, a lithium-bearing mineral commonly found in pegmatite deposits.
Hard-rock operations generally use open-pit or underground mining. Ore is crushed and processed to produce a mineral concentrate, which is then converted into lithium chemicals.
A typical route can include:
Hard-rock mines can be brought into production more quickly than some conventional brine projects, but their processing can require significant energy and chemical inputs.
Australia has been a major source of spodumene concentrate, while much of the downstream conversion into battery-grade chemicals takes place in China.
Lithium also occurs in salty underground fluids known as brines.
Traditional continental-brine projects pump brine to the surface and place it in large evaporation ponds. Solar evaporation concentrates the dissolved salts over an extended period before chemical plants separate and purify the lithium.
Important brine resources are found in South America, particularly in the high-altitude salt flats of Chile, Argentina and Bolivia.
Brine operations can have lower energy requirements than some hard-rock processing routes, but they can involve:
Project impacts vary considerably by basin. Water use should be assessed within the local hydrological system rather than relying on a single industry-wide figure.
Direct lithium extraction, or DLE, refers to a group of technologies designed to separate lithium from brine without relying primarily on long-duration evaporation ponds.
Methods can include:
DLE could improve recovery rates, shorten processing times and reduce the land occupied by evaporation ponds. It may also allow production from brines that are unsuitable for conventional evaporation.
However, DLE is not a single technology and does not automatically eliminate environmental impacts. Commercial performance depends on brine chemistry, energy use, water requirements, reagents, waste management and the ability to reinject or dispose of processed brine safely.
Lithium-bearing clays and sedimentary deposits could provide additional sources of supply. These resources often require new processing routes because lithium may be held tightly within complex minerals.
Geothermal brines offer the possibility of producing lithium alongside geothermal energy. Oilfield brines and other mineral-rich wastewaters may also contain recoverable lithium.
These sources could diversify supply, but most projects must still demonstrate commercial recovery, product quality and acceptable environmental performance at scale.
Lithium is commonly traded and used in chemical forms rather than as pure metal.
Lithium carbonate is used in LFP batteries, selected nickel-based cathodes, glass, ceramics and other applications.
It is a common product from brine operations, although it can also be made from hard-rock feedstock.
Lithium hydroxide is commonly associated with high-nickel cathode chemistries. It is also used in lubricating greases and other industrial products.
Hard-rock spodumene can be converted directly into lithium hydroxide or processed through an intermediate carbonate stage.
Battery manufacturers require tight controls on purity, particle characteristics and trace impurities.
Lithium chemical capacity should not therefore be assessed solely by total tonnes. The ability to consistently produce qualified battery-grade material is a separate and important part of the supply chain.
Lithium resources are geographically widespread, but production and refining are concentrated.
Australia is a major hard-rock producer. Chile and Argentina are important brine producers. China has domestic mining operations and holds a leading position in lithium chemical conversion, cathode production and battery manufacturing.
Supply-chain exposure can occur at several stages:
A new mine does not by itself create a complete domestic battery supply chain. It must connect to processing capacity, infrastructure, qualified customers and downstream manufacturing.
Lithium production can have significant environmental and community impacts, although they differ by deposit and processing route.
Potential issues include:
Brine projects are often located in arid regions where water is already scarce. Hard-rock projects may require more mining, crushing and high-temperature processing.
Responsible development requires site-specific environmental assessment, transparent water monitoring, community participation and effective waste management.
Lithium-ion battery recycling can recover lithium, nickel, cobalt, copper and other materials from manufacturing scrap and end-of-life batteries.
The main processing approaches include:
Manufacturing scrap currently provides an important source of recycling feedstock. Larger volumes of end-of-life electric-vehicle batteries will become available as the installed vehicle fleet ages.
Recycling can improve supply security and reduce waste, but it cannot immediately replace primary production. Many batteries remain in use for years before becoming available for recycling, while total battery demand continues to grow.
Lithium-ion batteries compete with several alternative storage technologies.
Sodium-ion batteries replace lithium with more abundant sodium and may be suitable for lower-cost vehicles, stationary storage and other applications where energy density is less critical.
Other alternatives include:
These technologies could reduce lithium demand in selected markets. However, lithium-ion batteries benefit from established manufacturing capacity, improving performance and a large global supply chain.
Solid-state batteries are often described as an alternative to current lithium-ion cells, but many solid-state designs still use lithium and may use lithium metal. Their commercial effect on lithium intensity will depend on the final chemistry and cell architecture.
The principal sources of lithium demand include:
Lithium prices are influenced by:
There is no single lithium price. Spodumene concentrate, lithium carbonate and lithium hydroxide are different products with separate specifications, contracts and regional markets.
The lithium market can move between shortage and surplus because mine supply, refining capacity and battery demand do not expand at the same rate.
Lithium sits at the centre of the global battery supply chain.
Key trends to watch include:
Lithium is a critical-minerals story because it is embedded across the modern rechargeable battery economy.
Its importance extends beyond access to deposits. The supply chain also requires concentration, chemical conversion, battery-grade purification, cathode manufacturing and recycling.
For investors, manufacturers and policymakers, the central question is not whether the world contains enough lithium. It is whether commercially viable projects and processing capacity can deliver qualified material at the speed, cost and environmental standard required by the battery industry.
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Lithium is used primarily in rechargeable batteries for electric vehicles, energy storage, electronics and power tools. It is also used in glass, ceramics, lubricating greases, alloys, air treatment, chemicals and medicine.
Lithium is lightweight and has strong electrochemical properties, allowing rechargeable batteries to store substantial energy in a compact system.
Lithium is found in hard-rock minerals such as spodumene, underground brines, salt flats, sedimentary clays, geothermal fluids and some oilfield waters.
No. Lithium is an alkali metal and a critical mineral, but it is not part of the rare-earth group.
Both are refined lithium chemicals. Lithium carbonate is widely used in LFP and other batteries, as well as glass and ceramics. Lithium hydroxide is commonly used in high-nickel battery cathodes and lubricating greases.
Yes. Lithium and other materials can be recovered from battery-manufacturing scrap and end-of-life batteries. Recycling is growing, but primary production remains necessary while the total battery market expands.
Lithium production can require significant water, but impacts vary by deposit and extraction method. Brine, hard-rock, clay and direct-extraction projects have different water, energy, chemical and waste profiles.
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