The Rice team's process is up to 10 times more effective than existing lithium-ion battery recycling. Photo by Gustavo Raskosky/Rice University

With the rise of electric vehicles, every ounce of lithium in lithium-ion batteries is precious. A team of scientists from Rice University has figured out a way to retrieve as much as 50 percent of the material in used battery cathodes in as little as 30 seconds.

Researchers at Rice University’s Nanomaterials Laboratory led by Department of Materials Science and NanoEngineering Chair Pulickel Ajayan released the findings a new study published in Advanced Functional Materials. Their work shows that the process overcomes a “bottleneck” in lithium-ion battery recycling technology. The researchers described a “rapid, efficient and environmentally friendly method for selective lithium recovery using microwave radiation and a readily biodegradable solvent,” according to a news release.

Past recycling methods have involved harsh acids, and alternative eco-friendly solvents like deep eutectic solvents (DESs) at times have not been as efficient and economically viable. Current recycling methods recover less than 5 percent of lithium, which is due to contamination and loss during the process.

In order to leach other metals like cobalt or nickel, both the choline chloride and the ethylene glycol have to be involved in the process, according to the researchers at Rice. The researchers submerged the battery waste material in the solvent and blasted it with microwave radiation since they knew that of the two substances only choline chloride is good at absorbing microwaves.

Microwave-assisted heating can achieve similar efficiencies like traditional oil bath heating almost 100 times faster. Using the microwave-based process, Rice found that it took 15 minutes to leach 87 percent of the lithium, which differs from the 12 hours needed to obtain the same recovery rate via oil bath heating.

“This method not only enhances the recovery rate but also minimizes environmental impact, which makes it a promising step toward deploying DES-based recycling systems at scale for selective metal recovery,” Ajayan says in the release.

Due to rise in EV production, the lithium-ion battery global market is expected to grow by over 23 percent in the next eight years, and was previously valued at over $65 billion in 2023.

“We’ve seen a colossal growth in LIB use in recent years, which inevitably raises concerns as to the availability of critical metals like lithium, cobalt and nickel that are used in the cathodes,” the study's co-author, Sohini Bhattacharyya, adds. “It’s therefore really important to recycle spent LIBs to recover these metals.”

Junichiro Kono has assumed leadership of the Smalley-Curl Institute at Rice University. Photo via Rice.edu

Rice names new leader for prestigious nanotechnology, materials science institute

take the lead

A distinguished Rice University professor has assumed the reins of a unique institute that focuses on research within nanoscience, quantum science, and materials science.

Junichiro Kono has assumed leadership of the Smalley-Curl Institute, which houses some of the world’s most accomplished researchers across fields including advanced materials, quantum magnetism, plasmonics and photonics, biophysics and bioengineering, all aspects of nanoscience and nanotechnology, and more.

“With his great track record in fostering international research talent — with student exchange programs between the U.S., Japan, Taiwan, China, Singapore and France that have introduced hundreds of students to new cultures and ways of researching science and engineering — Jun brings a wealth of experience in building cultural and technological ties across the globe,” Ramamoorthy Ramesh, executive vice president for research, says in a news release.

Kono is the Karl F. Hasselmann Professor in Engineering, chair of the Applied Physics Graduate Program and professor of electrical and computer engineering, physics and astronomy and materials science and nanoengineering, and is considered a global leader in studies of nanomaterials and light-matter interactions. He currently leads Rice’s top 10-ranked Applied Physics Graduate Program.

Under his leadership, the program is expected to double in size over. By 2029. The Smalley-Curl Institute will also add additional postdoctoral research fellowships to the current three endowed positions.

The Smalley-Curl Institute is named for Nobel Laureates Richard Smalley and Robert Curl (‘54). Earlier in his career, Kono once worked with Smalley on the physical properties of single-wall carbon nanotubes (SWCNTs), which led to the experimental discovery of the Aharonov-Bohm effect on the band structure of SWCNTs in high magnetic fields.

“I am deeply honored and excited to lead the Smalley-Curl Institute,” Kono says in a news release. “The opportunity to build upon the incredible legacy of Richard Smalley and Robert Curl is both a privilege and a challenge, which I embrace wholeheartedly. I’m really looking forward to working with the talented researchers and students at Rice University to further advance our understanding and application of nanomaterials and quantum phenomena. Together, we can accomplish great things.”

Kono succeeds Rice professor Naomi Halas as director of the institute. Halas is the Stanley C. Moore Professor of Electrical and Computer Engineering and the founding director of the Laboratory for Nanophotonics.

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Movers and shakers: Top executive moves in Houston energy transition of 2024

year in review

Editor's note: As the year comes to a close, EnergyCapital is looking back at the year's top stories in Houston energy transition. From new board seats to internal promotions, this year marked a big one for some of Houston's energy leaders. Here were the top five most-read articles covering the mover and shaker news of 2024 — be sure to click through to read the full story.

Growing Houston biotech company expands leadership as it commercializes sustainable products

Nádia Skorupa Parachin joined Cemvita as vice president of industrial biotechnology. Photo courtesy of Cemvita

Houston-based biotech company Cemvita recently tapped two executives to help commercialize its sustainable fuel made from carbon waste.

Nádia Skorupa Parachin came aboard as vice president of industrial biotechnology, and Phil Garcia was promoted to vice president of commercialization.

Parachin most recently oversaw several projects at Boston-based biotech company Ginkjo Bioworks. She previously co-founded Brazilian biotech startup Integra Bioprocessos. Continue reading.

California geothermal co. grows C-suite, grows presence in Houston

XGS has leased 10,000 square feet of office space in Houston. Photo via Getty Images

A geothermal company with its headquarters in Palo Alto, California, has named new members of its C-suite and, at the same time, has expanded its operational footprint in Houston.

XGS Energy promoted Axel-Pierre Bois to CTO and Lucy Darago to chief commercial officer. Darago is based in Austin, and Bois, from France, lists his role as based in Houston on LinkedIn. Both have worked at XGS since February of last year.

“Axel and Lucy’s proven operational excellence and technical knowledge has helped propel XGS forward as we enter our next phase of growth,” Josh Prueher, CEO of XGS Energy, says in a news release. “I’m thrilled to have them both join XGS’ C-suite and have their support as we continue to grow our team, further advance our next-generation geothermal technology, and invest in our multi-gigawatt project pipeline.” Continue reading.

CenterPoint names 40-year industry veteran as exec for emergency response

Don Daigler will be tasked to lead CenterPoint Energy's yearly work in preparation for, response to and recovery from all emergencies, which includes both natural disasters and man-made events. Photo via CenterPoint Energy/LinkedIn

CenterPoint Energy announced the hiring of industry veteran Don Daigler as the new senior vice president of CenterPoint’s Emergency Preparedness and Response.

Daigler will be tasked to lead the company’s yearly work in preparation for, response to and recovery from all emergencies, which includes both natural disasters and man-made events. Daigler and his team will coordinate with all public safety partners.

“I’m pleased to join CenterPoint Energy and lead its Emergency Preparedness and Response team to transform how we prepare, mitigate and respond to the impacts of hurricanes, extreme weather and other emergencies,” Daigler says in a news release. ”The year-round work of our team will help position CenterPoint to deliver the service our customers expect and deserve before, during and after emergencies when the need is greatest.” Continue reading.

Houston private equity professional tapped to lead growth development at firm focused on decarbonization

Climate Investment announced Patrick Yip will lead the firm's growth investment strategy as managing director, head of growth. Photo via LinkedIn

A London-based energy transition investment firm has named a new Houston-based leader.

Climate Investment announced Patrick Yip will lead the firm's growth investment strategy as managing director, head of growth. In his new role, he will oversee the development of CI’s growth-stage portfolio, including deal sourcing, operational function of strategy, and working with the team that manages the firm's early-stage Catalyst program. He reports to the CEO, Pratima Rangarajan.

“We are excited to welcome Patrick to Climate Investment,” Rangarajan says in a news release. “The decarbonization investment opportunity continues to grow rapidly, and Patrick’s extensive experience will help us capitalize on that. He will also provide leadership and develop the market partnerships that will drive our growth investment strategy forward, playing a key role in supporting portfolio market adoption and accelerating the next stage of development for CI.” Continue reading.

Firm hires top Houston-based energy banker to grow energy transition team

Top Houston banker Stephen Trauber has joined publicly traded investment bank Moelis & Co. Image via Shutterstock

Houston energy dealmaker Stephen Trauber has been tapped as chairman and global head of the energy and clean technology business at publicly traded investment bank Moelis & Co.

In 2010, The Wall Street Journalcalled Trauber “one of the best-connected energy bankers in Houston.”

Trauber comes to New York City-based Moelis from Citi, where he recently retired as vice chairman and global co-head of natural resources and clean energy transition. Before that, he was vice chairman and global head of energy at UBS Investment Bank, where he worked with Ken Moelis, who’s now chairman and CEO of Moelis. Continue reading.

Houston expert: Is China leading the global energy transition?

guest column

China plays a big role in the global push to shift from fossil fuels to cleaner energy. It's the world's largest carbon emitter but also a global leader in solar, wind, and battery technologies. This combination makes China a critical player in the energy transition. China may not be doing enough to reduce its own greenhouse gas emissions, but it is leading the way in producing low-cost, low-carbon solutions.

Why Materials Matter

One of the biggest challenges in switching to alternative energy is the need for specific materials like lithium, cobalt, and rare earth metals. These are essential for making things like solar panels, wind turbines, and batteries. In her report, "Minerals and Materials Challenges for Our Energy Future(s): Dateline 2024," Michelle Michot Foss emphasizes the critical role of materials in energy transitions:

"Energy transitions require materials transitions; sustainability is multifaceted; and innovation and growth will shape the future of energy and economies."

China controls much of the supply and processing of these materials. For example, it produces most of the world’s rare earth metals and has the largest capacity for making batteries. This gives China a big advantage but also creates risks. Michot Foss points out:

"China’s command over material supply chains presents both opportunities and risks. On one hand, it enables rapid scaling of technologies like wind, solar, and batteries. On the other hand, it exposes the global market to potential vulnerabilities, as geopolitical tensions and trade barriers could disrupt these critical flows."

China’s strategy for dominating alternative energy materials is also closely tied to its national security interests. By securing control over these critical supply chains, China not only hopes to guarantee its own energy independence but also gains significant geopolitical leverage.

“Is China’s leadership strategic or accidental? China’s dominance is a consequence of enormous excess materials supply chain and manufacturing capacity. A flood of exports are undermining materials and “green tech” businesses everywhere. It heightens vulnerabilities and geopolitical tensions. How do we in the US find our own comparative advantage?” Michot Foss notes that advanced materials should be a priority for US responses, especially as attention shifts to nuclear energy possibilities and as carbon capture and hydrogen initiatives play out.

Balancing Energy Growth and Emissions

GabrielCollins, in his report "Reality Is Setting In: Asian Countries to Lead Transitions in 2024 and 2025," offers another perspective. He focuses on how developing nations, especially in Asia, are shaping the energy transition:

"The developing world, including many countries in Asia, increasingly demand that developed nations’ policy advocacy stop treating the economic and environmental needs of the developing world as an afterthought."

Collins highlights China’s dual strategy: investing heavily in renewables while still using coal to meet its growing energy demand. He explains:

"China, which now has installed a terawatt combined of wind and solar capacity while still ramping up coal output and moving to dominate EV and renewables supply chains and manufacturing."

This strategy appeals to other developing nations, which face similar challenges of balancing energy needs with environmental goals while fostering economic growth and expanding industries.

The Numbers: Progress and Challenges

McKinsey’s Global Energy Perspective 2024 provides some useful data. On the bright side, China is installing renewable energy faster than any other country. In 2023, it added over 100 gigawatts of solar capacity, a world record. Wind energy is growing quickly too, and China leads in producing electric vehicle batteries.

But McKinsey also notes the challenges. Coal still generates more than half of China’s electricity. While renewable energy is growing fast, it’s not replacing coal yet—it’s just adding to China’s total energy capacity.

McKinsey sums it up: China is leading in renewable energy deployment, but its reliance on coal highlights the slow pace of deep decarbonization. The country is transitioning, but not fast enough to meet global climate targets.

Is China Leading or Lagging?

So, is China leading the energy transition? The answer is: it depends on how you define “leading.”

If leadership means building more solar and wind farms, dominating the materials supply chain, and being the leading supplier of low-carbon solutions, then yes, China is ahead of everyone else. But if leadership means cutting their own emissions quickly and shifting away from fossil fuels, China still has work to do.

China’s approach is practical. It’s making progress where it can—like scaling up renewables—but it’s also sticking with coal to ensure its economy and energy needs stay stable.

Final Thoughts

China is both a leader and a work in progress when it comes to the energy transition. Its achievements in renewable energy are impressive, but its reliance on coal and the challenges of balancing growth with sustainability show there’s still a long road ahead.

China’s story reminds us that the energy transition isn’t a straight path. It’s a journey full of trade-offs and complexities, and China’s experience reflects the challenges the whole world faces. At the same time, its focus on national security through energy independence and industrial strategy to build low-carbon export businesses signals a strategic move that is reshaping global power dynamics, leaving the United States and other nations to reevaluate their energy policies.

———

Scott Nyquist is a senior advisor at McKinsey & Company and vice chairman, Houston Energy Transition Initiative of the Greater Houston Partnership. The views expressed herein are Nyquist's own and not those of McKinsey & Company or of the Greater Houston Partnership. This article originally ran on LinkedIn on December 5, 2024.


Robotics co. with growing Houston presence closes series B

money moves

Houston- and Boston-based Square Robot Inc. closed a series B round of funding last month.

The advanced submersible robotics company raised $13 million, according to Tracxn.com, and says it will put the funds toward international expansion.

"This Series B round, our largest to date, enables us to accelerate our growth plans and meet the surging global demand for our services,” David Lamont, CEO, said in a statement.

The company aims to establish a permanent presence in Europe and the Middle East and grow its delivery services to reach four more countries and one new continent in Q1 2025.

Additionally, Square Robot plans to release a new robot early next year. The robot is expected to be able to operate in extreme temperatures up to 60 C. The company will also introduce its first AI-enabled tools to improve data collection.

Square Robot launched its Houston office in 2019. Its autonomous, submersible robots are used for storage tank inspections and eliminate the need for humans to enter dangerous and toxic environments.

The company was one of the first group of finalists for the Houston Innovation Awards' Scaleup of the Year, which honors a Bayou City company that's seen impressive growth in 2024. Click here to read more about the company's growth.