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Category: sustainability

Manganese gets its moment as a potential fuel cell catalyst

The road to a more sustainable planet may be partially paved with manganese. According to a new study by researchers at Yale and the University of Missouri, chemical catalysts containing manganese—an abundant, inexpensive metallic element—proved highly effective in converting carbon dioxide into formate, a compound viewed as a potential key contributor of hydrogen for the next generation of fuel cells.

The new study appears in the journal Chem. The lead authors are Yale postdoctoral researcher Justin Wedal and Missouri graduate research assistant Kyler Virtue; the senior authors are professors Nilay Hazari of Yale and Wesley Bernskoetter of Missouri.

Acid-treated carbon nanotubes boost efficiency and stability of flexible perovskite solar modules

Flexible perovskite solar modules (f-PSMs) are a key innovation in current renewable energy technology, offering a pathway toward sustainable and efficient energy solutions. However, ensuring long-term operational stability without compromising efficiency or increasing material costs remains a critical challenge.

In a study published in Joule, a joint research team from the Institute of Metal Research (IMR) of the Chinese Academy of Sciences and Zhengzhou University has achieved power conversion efficiency (PCE) surpassing 20% in flexible modules capable of withstanding a range of external stresses. The study highlights the use of single-walled carbon nanotubes (SWCNTs) as window electrodes for scalable f-PSMs.

SWCNT films exhibit excellent hydrophobicity, resisting moisture-induced degradation while enhancing device stability. Their flexibility and affordability further position SWCNT-based electrodes as a practical option for sustainable energy systems, providing an ideal opportunity for buildings and infrastructure to incorporate their own power sources in support of a net-zero carbon emissions future.

Water’s enigmatic surface: X-ray snapshots reveal atoms and molecules at work

Water is all around us, yet its surface layer—home to chemical reactions that shape life on Earth—is surprisingly hard to study. Experiments at SLAC’s X-ray laser are bringing it into focus.

Two-thirds of Earth’s surface is covered in water, most of it in oceans so deep and vast that only one-fifth of their total volume has been explored. Surprisingly, though, the most accessible part of this watery realm—the water’s surface, exposed on wave tops, raindrops and ponds full of skittering water striders—is one of the hardest to get to know.

Just a few layers of atoms thick, the surface plays an outsized role in the chemistry that makes our world what it is—from the formation of clouds and the recycling of water through rainfall to the ocean’s absorption of carbon dioxide from the atmosphere.

Artificial photosynthesis catalyst converts carbon dioxide into fuel using sunlight

A joint research team has developed a highly efficient photocatalyst that can convert carbon dioxide into the high-value-added fuel, methane, using sunlight, while explaining its operating principles. The work is published in the journal ACS Catalysis.

Carbon dioxide is a typical greenhouse gas, considered a major cause of climate change, and developing technologies to effectively reduce it is an important challenge worldwide.

The photocatalyst technology that caught the interest of the research team is a type of artificial photosynthesis technology that uses solar energy to convert carbon dioxide into fuel. It has garnered significant attention for its potential to contribute to carbon neutrality and eco-friendly energy production.

Two-step flash Joule heating method recovers lithium‑ion battery materials quickly and cleanly

A research team at Rice University led by James Tour has developed a two-step flash Joule heating-chlorination and oxidation (FJH-ClO) process that rapidly separates lithium and transition metals from spent lithium-ion batteries. The method provides an acid-free, energy-saving alternative to conventional recycling techniques, a breakthrough that aligns with the surging global demand for batteries used in electric vehicles and portable electronics.

Published in Advanced Materials, this research could transform the recovery of critical battery materials. Traditional recycling methods are often energy intensive, generate wastewater and frequently require harsh chemicals. In contrast, the FJH-ClO process achieves high yields and purity of lithium, cobalt and graphite while reducing energy consumption, chemical usage and costs.

“We designed the FJH-ClO process to challenge the notion that battery recycling must rely on acid leaching,” said Tour, the T.T. and W.F. Chao Professor of Chemistry and professor of materials science and nanoengineering. “FJH-ClO is a fast, precise way to extract valuable materials without damaging them or harming the environment.”

Commercially viable biomanufacturing: Designer yeast turns sugar into lucrative chemical 3-HP

Using a tiny, acid-tolerant yeast, scientists have demonstrated a cost-effective way to make disposable diapers, microplastics, and acrylic paint more sustainable through biomanufacturing.

A key ingredient in those everyday products is acrylic acid, an important industrial chemical that gives disposable diapers their absorbency, makes water-based paints and sealants more weather-proof, improves stain resistance in fabric, and enhances fertilizers and soil treatments.

Acrylic acid is converted from a precursor called 3-hydroxypropanoic acid, or 3-HP, which is made almost exclusively from petroleum through chemical synthesis—an energy-intensive process. But 3-HP can also be produced from renewable plant material by using engineered microbes to ferment plant sugars into this high-value chemical. Until now, however, the biomanufacturing process has not proven profitable.

Advances in thin-film electrolytes push solid oxide fuel cells forward

Under the threat of climate change and geopolitical tensions related to fossil fuels, the world faces an urgent need to find sustainable and renewable energy solutions. While wind, solar, and hydroelectric power are key renewable energy sources, their output strongly depends on environmental conditions, meaning they are unable to provide a stable electricity supply for modern grids.

Solid oxide fuel cells (SOFCs), on the other hand, represent a promising alternative; these devices produce electricity on demand directly from clean electrochemical reactions involving hydrogen and oxygen.

However, existing SOFC designs still face technical limitations that hinder their widespread adoption for power generation. SOFCs typically rely on bulk ceramic electrolytes and require high operating temperatures, ranging from 600–1,000 °C. This excessive heat not only forces manufacturers to use expensive, high-performance materials, but also leads to earlier component degradation, limiting the cell’s service life and driving up costs.

Perovskite solar cells maintain 95% of power conversion efficiency after 1,100 hours at 85°C with new molecular coating

Scientists have found a way to make perovskite solar cells not only highly efficient but also remarkably stable, addressing one of the main challenges holding the technology back from widespread use.

Perovskite has long been hailed as a game-changer for the next generation of solar power. However, advances in material design are still needed to boost the efficiency and durability of solar panels that convert sunlight into electricity.

New 3D-printed solar cells for windows offer semi-transparency

These flexible cells achieve 9.2 percent energy efficiency while maintaining 35 percent transparency.

Researchers at the Hebrew University of Jerusalem have created semi-transparent, color-tunable solar cells.

Interestingly, these can be 3D-printed onto windows, building façades, and flexible surfaces.

These panels shed the bulky, industrial look of solar arrays, giving designers the choice between a slightly transparent window or a vibrant, color-tinted architectural feature.

SpaceX IPO: Tesla Shareholder Warrants, SPARC, and Elon’s Liquidity Event

SpaceX’s potential Initial Public Offering (IPO) could not only reward long-term Tesla shareholders but also has significant implications for Elon Musk’s companies, with a possible valuation of $1.2–1.5 trillion, driven by ventures like Starlink and Starship # ## Questions to inspire discussion.

IPO Timing and Valuation Strategy.

🚀 Q: When could SpaceX realistically go public and at what valuation? A: SpaceX IPO timing targets mid-2026 with potential valuation of $1.2–1.5 trillion, dependent on Starship production readiness, successful orbital launches with Starlink payloads by mid-2024, and prevailing volatile public market conditions at listing time.

💰 Q: How much capital would SpaceX raise in the IPO? A: SpaceX would likely issue new shares to raise approximately $80 billion at the $1.2–1.5 trillion valuation target, rather than conducting a buyback of existing shares, with potential share prices ranging $50–150 per share.

📈 Q: What drives SpaceX’s trillion-dollar valuation thesis? A: Valuation hinges on Starlink satellite network (10M subscribers, 10K satellites), rapid and complete reusability of Starship launch vehicles, planned Moon and Mars bases by 2030–2040, and the Musk premium factor where investors pay extra for his involvement.

Starship as IPO Catalyst.

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