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The world contains vast quantities of lithium, an integral element in electric vehicle batteries. And though lithium is commonly mined from hard rock, the majority of the world’s lithium reserves are actually found in brine, extremely salty water beneath the Earth’s surface.

Today, brine mining involves evaporating the brine in massive, extravagantly colored pools over a series of about 18 months, leaving high concentrations of lithium behind. It’s a simple but inefficient process that takes up vast swaths of land and is ecologically disruptive.

As automakers around the world struggle to meet extraordinarily ambitious electric vehicle production targets, there’s growing interest in doing things differently. 

The auto industry requires a 20x increase in lithium supply, and there’s just no way to achieve that type of growth with conventional technologies,” said Dave Snydacker, founder and CEO of Lilac Solutions.

Lilac is one of a number of companies piloting a set of new and largely unproven technologies called direct lithium extraction, or DLE, which could increase the efficiency and decrease the negative externalities of the brine mining process.

Instead of concentrating lithium by evaporating brine in large pools, DLE pulls the brine directly into a processing unit, puts it through a series of chemical processes to separate the lithium, then injects it back underground. This process produces battery-grade lithium carbonate or hydroxide in a matter of hours, without the need to transport concentrated brine to a separate processing facility.

DLE could also help jump-start the domestic lithium mining market. Today, most lithium brine mining takes place in the Salar de Atacama, an expansive salt flat in northern Chile that contains the highest quality lithium brine in the world. But DLE technologies require much less land and can help unlock resources in areas where the brine contains less lithium and more impurities.

North American companies Lilac Solutions, EnergyX and Standard Lithium are exploring lithium resources in areas such as Arkansas’ Smackover Formation, California’s Salton Sea and Utah’s Great Salt Lake, as well as abroad in Argentina, Bolivia and Chile. The Chilean government has even announced that all new lithium projects will be required to use DLE technology.

“So the timing is right and ripe for this to see the light of day very, very soon,” said Amit Patwardhan, CTO of EnergyX.

Direct lithium extraction company EnergyX is building demonstration plants in Argentina, Chile, California, Utah and Arkansas.

EnergyX

Doing things differently

In a world before electric vehicles, traditional methods of brine mining and hard rock mining more than sufficed to meet global lithium demand.

“The world didn’t need DLE for the last 50 years. Lithium’s primary use was industrial — ceramics, glass and lubricants,” said Robert Mintak, CEO of Standard Lithium.

But with demand for EVs and the lithium-ion batteries that power them booming, now there’s a supply crunch. 

Over the last 10 years, 90% of new lithium production has come from hard rock projects. But hard rock projects are increasingly expensive as we go into lower grade resources. And if you add up all the hard rock projects, there’s just not enough resource out there to meet automaker goals. It’s the brine resources that are large enough to electrify the vehicle industry,” Snydacker said.

DLE is already being used to some extent in both Argentina and China, where the companies Livent and Sunresin are implementing commercial tech that combines DLE with traditional evaporation pond operations.

These companies both rely on a technology called adsorption, the only commercially proven approach to DLE. In this process, lithium molecules in the brine adhere to an adsorbant substance, removing them from surrounding impurities. But experts say that stripping the lithium from the adsorbents requires a lot of fresh water, a big problem considering many of the world’s best brine resources are in arid areas.

Livent’s most recent sustainability report indicates that it uses 71.4 metric tons of fresh water per metric ton of lithium carbonate equivalent, or LCE, produced. Lilac reported that in pilot testing it uses between 10 and 20 metric tons of fresh water, while EnergyX says it uses less than 20 metric tons.

China-based Sunresin says that it recycles all of its fresh water, and that its newer projects will operate without evaporation ponds.

But a host of other companies are now getting into the industry, testing out alternative technologies which they claim will not only eliminate evaporation ponds altogether, but increase yields while lowering energy and fresh water requirements.

New players

Bay Area-based Lilac Solutions is using a technology called ion exchange. It’s currently piloting its tech in Argentina in partnership with Australian lithium company Lake Resources.

“With the Lilac ion-exchange bead we’ve developed a ceramic material. This ceramic selectively absorbs lithium from the brine while releasing a proton. Once the lithium is absorbed into the material, we then flush the lithium out of the bead using dilute acid and that produces a lithium chloride concentrate which can be easily processed into battery grade chemicals,” Snydacker explained.

Lilac Solutions is developing a direct lithium extraction facility in Argentina in partnership with Australian lithium company Lake Resources.

Lilac Solutions

Lilac expects to have its first commercial-scale module operating before the end of 2024. The company is backed by BMW and the Bill Gates-funded Breakthrough Energy Ventures, and Ford has signed a nonbinding agreement to buy lithium from its Argentina plant.

EnergyX, which is based out of both San Juan, Puerto Rico, and Austin, Texas, uses a combination of technologies that it can tailor to the specific brine resource. Step one is traditional adsorption, followed by a method known as “solvent extraction,” in which the concentrated brine is mixed with an organic liquid. The lithium is then transferred to the organic before it’s stripped free and concentrated. Membrane filtration is the final stage, which removes all remaining impurities.

“So you see these all these loops and synergies that come out of combining these technologies. And that is another big differentiator in what EnergyX does and what really drives the cost of the technology much lower compared to anybody else,” said Patwardhan.

EnergyX is building demonstration plants with undisclosed partners in Argentina, Arkansas, Chile, California and Utah, and is aiming to have the first two up and running by the end of this year. Recently, the company secured $50 million in funding from GM to help scale its tech.

Vancouver-based Standard Lithium also has big backers. The public company’s largest investor is Koch Industries, and it’s been running a demonstration plant in South Arkansas for the last three years, producing lithium at a preexisting bromine plant.

The company uses both ion-exchange and adsorption technologies, depending on the resource. It expects to begin construction on a commercial-scale DLE facility next year and is expanding into Texas as well.

“We have an opportunity as we expand from Arkansas to Texas to be the largest producing area for lithium chemicals in North America, utilizing in an area that’s not under water stress, that has a social license to operate,” said Mintak.

Companies such as Standard Lithium, which are leaning into the U.S. market, stand to benefit from the Inflation Reduction Act, which ties electric vehicle subsidies to domestic sourcing of battery materials. Automakers can also receive the full EV credit if they source from countries that have free trade agreements with the U.S., such as Chile.

While Chile has announced that all new lithium projects in the country will be required to use DLE technologies, it has not announced what companies it will be partnering with for these new projects.

Neighboring Bolivia was considering technology from both EnergyX and Lilac Solutions to help unlock the country’s vast but largely undeveloped lithium resources. The government ultimately tapped a consortium of Chinese companies, led by battery giant CATL, to spearhead DLE efforts in its salt flats.

Most new lithium supply will continue to come from hard rock projects for the rest of this decade, Snydacker said. “But by the end of this decade, we’ll see very large-scale brine projects coming online …” he predicted. “And going out into the next decade, this technology will provide a majority of new supply.”

Overall, lithium production from DLE is projected to grow from about 54,000 metric tons today to 647,500 metric tons by 2032, according to Benchmark Mineral Intelligence. That’s forecast to be worth about $21.6 billion.

“But when we place it in relative terms against the rest of the global market, that only represents around 15% of total supply,” said James Mills, principal consultant at Benchmark Mineral Intelligence. “So we’re still going to have to rely on traditional forms of production for the lithium units, whether it’s evaporation ponds or hard rock mining.”

Watch the video to learn more about the companies looking to bring direct lithium extraction into the mainstream.

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Nvidia’s beat and raise should wow even its most hardened critics, and the stock soars

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Nvidia's beat and raise should wow even its most hardened critics, and the stock soars

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Nvidia CEO Jensen Huang rejects talk of AI bubble: ‘We see something very different’

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Nvidia CEO Jensen Huang rejects talk of AI bubble: 'We see something very different'

Jensen Huang, chief executive officer of Nvidia Corp., during the US-Saudi Investment Forum at the Kennedy Center in Washington, DC, US, on Wednesday, Nov. 19, 2025.

Stefani Reynolds | Bloomberg | Getty Images

In the weeks leading up to Nvidia’s third-quarter earnings report, investors debated whether the markets were in an AI bubble, fretting over the massive sums being committed to building data centers and whether they could provide a long-term return on investment.

During Wednesday’s earnings call with analysts, Nvidia CEO Jensen Huang began his comments by rejecting that premise.

“There’s been a lot of talk about an AI bubble,” Huang said. “From our vantage point we see something very different.”

In many respects, Huang’s remarks are to be expected. He’s leading the company at the heart of the artificial intelligence boom, and has built its market cap to $4.5 trillion because of soaring demand for Nvidia’s graphics processing units.

Huang’s smackdown of bubble talk matters because Nvidia counts every major cloud provider — Amazon, Microsoft, Google, and Oracle — as a customer. Most of the major AI model developers, including OpenAI, Anthropic, xAI and Meta, are also big buyers of Nvidia GPUs.

Read more CNBC reporting on AI

Huang has deep visibility into the market, and on the call he offered a three-pronged argument for why we’re not in a bubble.

First, he said that areas like data processing, ad recommendations, search systems, and engineering, are turning to GPUs because they need the AI. That means older computing infrastructure based around the central processor will transition to new systems running on Nvidia’s chips.

Second, Huang said, AI isn’t just being integrated into current applications, but it will enable entirely new ones.

Finally, according to Huang, “agentic AI,” or applications that can run without significant input from the user, will be able to reason and plan, and will require even more computing power.

In making the case of Nvidia, Huang said it’s the only company that can address the three use cases.

“As you consider infrastructure investments, consider these three fundamental dynamics,” Huang said. “Each will contribute to infrastructure growth in the coming years.”

Reversing the slide

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“The number will grow,” CFO Colette Kress said on the call, saying the company was on track to hit the forecast.

Prior to Wednesday’s results, Nvidia shares were down about 8% this month. Other stocks tied to the AI have gotten hit even harder, with CoreWeave plunging 44% in November, Oracle dropping 14% and Palantir falling 17%.

Some of the worry on Wall Street has been tied to the debt that certain companies have used to finance their infrastructure buildouts.

“Our customers’ financing is up to them,” Huang said.

Specific to Nvidia, investors have raised concerns in recent weeks about how much of the company’s sales were going to a small number of hyperscalers.

Last month, Microsoft, Meta, Amazon and Alphabet all lifted their forecasts for capital expenditures due to their AI buildouts, and now collectively expect to spend more than $380 billion this year.

Huang said that even without a new business model, Nvidia’s chips boost hyperscaler revenue, because they power recommendation systems for short videos, books, and ads.

People will soon start appreciating what’s happening underneath the surface of the AI boom, Huang said, versus “the simplistic view of what’s happening to capex and investment.”

WATCH: Nvidia posts Q3 beat

Nvidia posts Q3 beat, CEO Huang says Blackwell chip sales 'off the charts'

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Asian chip names rally as Nvidia forecasts hotter-than-expected sales after earnings beat

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Asian chip names rally as Nvidia forecasts hotter-than-expected sales after earnings beat

C. C. Wei, chief executive officer of Taiwan Semiconductor Manufacturing Co. (TSMC), left, and Jensen Huang, chief executive officer of Nvidia Corp., during the TSMC sports day event in Hsinchu, Taiwan, on Saturday, Nov. 8, 2025.

Bloomberg | Bloomberg | Getty Images

Asian chip stocks rallied in early trading Thursday after American AI chip darling Nvidia beat Wall Street expectations and issued stronger-than-expected guidance for the fourth quarter. 

South Korea’s SK Hynix popped around 4%. The memory chip maker is Nvidia’s top supplier of high-bandwidth memory used in AI applications. 

Samsung Electronics, which also supplies Nvidia with memory, was also up nearly 4%. The company has been working to catch up to SK Hynix in high-bandwidth memory to land more contracts with Nvidia. 

Taiwan Semiconductor Manufacturing Company, the world’s largest contract chipmaker, which produces most of Nvidia’s chip designs, rose 4% in Taipei.

“We expect Nvidia’s results to drive higher earnings estimates across the sector, including for its primary GPU supplier TSMC, memory vendors SK Hynix and Samsung, and the broader Asian subcomponent and assembly value chain,” Rolf Bulk, equity research analyst at New Street Research, told CNBC.

In Tokyo, Renesas Electronics, a key Nvidia supplier, added about 4%. Tokyo Electron, which provides essential chipmaking equipment to foundries that manufacture Nvidia’s chips, gained 5.87%. Another Japanese chip equipment maker, Lasertec, was up about 6%. 

Japanese tech conglomerate SoftBank skyrocketed nearly 7%, though the firm recently offloaded its shares of Nvidia. Softbank owns the majority of British semiconductor company Arm, which supplies Nvidia with chip architecture and designs.

SoftBank is also involved in a number of AI ventures that use Nvidia’s technology, including the $500 billion Stargate project for data centers in the U.S.

Nvidia’s sales and outlook are closely watched by the technology industry as a sign of the health of the AI boom, and its strong earnings could ease recent fears regarding an AI bubble.  

“There’s been a lot of talk about an AI bubble,” Nvidia CEO Jensen Huang told investors on an earnings call. “From our vantage point, we see something very different.”

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