The process of carbon capture involves the capture of CO2 from sources like power plants and industrial facilities before it can enter the atmosphere. Several technologies have been developed to achieve this goal, including pre-combustion capture, post-combustion capture, and oxy-fuel combustion. Each of these methods has its unique advantages and challenges, and researchers are constantly refining them to enhance efficiency and reduce costs. The captured carbon dioxide does not simply disappear; instead, it becomes the raw material for various applications, which brings us to the second part of the equation: utilization.

Once captured, CO2 can be utilized in numerous ways. One of the most promising applications is in the production of fuels. Through several chemical reactions, CO2 can be converted into hydrocarbons, which can serve as renewable alternatives to fossil fuels. This conversion process may involve electrochemical reduction techniques or biochemical processes using specific organisms that thrive on CO2. By achieving this transformation, we can not only reduce our dependence on fossil fuels but also create sustainable energy sources that are vital for the future.

Furthermore, CO2 can be used in the production of chemicals, including methanol and urea, which are foundational building blocks in various chemical industries. Methanol, in particular, holds potential as a versatile solvent and can be further processed into more complex substances. This aspect of carbon utilization aligns beautifully with circular economy principles, where waste products are transformed into valuable resources. Scientists are exploring catalysts designed to improve the efficiency of these conversion processes, enabling the commercial viability of such technologies.

In addition to fuels and chemicals, carbon dioxide is making strides in the realm of building materials. Researchers are investigating the potential for using captured CO2 in producing concrete and other construction materials. This has a dual benefit: it not only sequesters CO2 during the curing process but also enhances the properties of the materials being produced. By integrating CO2 into the construction sector, we can effectively reduce the carbon footprint associated with traditional building practices, all while creating resilient and high-performance materials.

The economic implications of carbon capture and utilization are substantial. As industries move towards adopting CCU technologies, there is potential for the development of new markets that prioritize sustainability. Investing in these technologies could result in the creation of jobs and stimulate economic growth in sectors focused on environmental technologies. The shift towards greener practices is not merely ethical or ecological; it also presents numerous opportunities for innovation and commercial success.

However, challenges remain that could hinder widespread adoption of CCU technologies. The initial capital investment for developing carbon capture systems and establishing utilization pathways can be daunting. Furthermore, the energy requirements associated with these processes necessitate careful consideration to ensure that the environmental benefits outweigh the costs. Policymakers will need to provide incentives and regulatory frameworks that encourage industries to invest in these technologies while facilitating their integration into existing operational infrastructures.

Public perception plays a vital role in the success of carbon capture and utilization endeavors. Ongoing education and outreach are crucial to inform the public about the benefits of CCU technologies. By fostering a better understanding of how CO2 can be repurposed into valuable products, we can achieve greater societal acceptance and encourage collaborative efforts across various sectors. Engaging local communities and stakeholders will be important to ensure that the deployment of these technologies aligns with public interests and environmental justice.

As research continues, the enthusiasm surrounding carbon capture and utilization is palpable. Scientists and innovators are investigating various methodologies and applications, aiming to pioneer solutions that can address the unique challenges posed by CO2 emissions. Each breakthrough brings us a step closer to realizing the full potential of CCU systems, contributing to global efforts to mitigate climate change and promote energy sustainability.

The collaboration between academic institutions, governmental bodies, and private enterprises is fundamental to advancing carbon capture and utilization technologies. By pooling resources and expertise, various stakeholders can work together to enhance efficiency, reduce costs, and increase the overall accessibility of these innovations. This collaborative spirit is essential to foster a culture of innovation that drives sustainable progress.

In conclusion, the quest to combat climate change through carbon capture and utilization heralds an era in which CO2 can be transformed from a detrimental greenhouse gas into valuable resources. While challenges persist, the opportunities and benefits presented by CCU technologies are promising. As the scientific and engineering communities continue to advance this critical area of research, we move closer to a future where economic, environmental, and social imperatives come together to pave the way for sustainable growth.

In light of these advancements, the future looks promising for carbon capture and utilization. With continued investment, innovation, and collaboration, there is hope that not only will we reduce CO2 emissions significantly but also convert them into valuable resources that can power our economies sustainably. The journey towards a carbon-neutral future is ongoing, and with transformative ideas and technologies, we are well on our way to a more sustainable and resilient world.

Subject of Research: Carbon capture and utilization for turning CO₂ into valuable products.

Article Title: Carbon capture and utilization—turning CO₂ into valuable products.

Article References:

Arya, R.K., Pant, K.K., Verros, G.D. et al. Carbon capture and utilization—turning CO₂ into valuable products.
Environ Sci Pollut Res (2025). https://doi.org/10.1007/s11356-025-36995-z

Image Credits: AI Generated

DOI:

Keywords: Carbon capture, carbon utilization, CO2 emissions, climate change, sustainable energy, renewable resources, environmental technologies, innovation, sustainability.

The research team, led by Li and Cui, explored the intricate dynamics of water and electrolyte interactions during electrochemical reduction of carbon dioxide, a reaction of immense interest for sustainable fuel production and chemical synthesis. By focusing on formate as a model electrolyte, they uncovered that the electrochemical environment induces a disruption of hydrogen bonds within the bulk water matrix. This structural perturbation gives rise to reactive water-derived radicals—species previously overlooked in the context of electrocatalysis—that play crucial roles in activating reactants prior to their arrival at the catalytic surface.

Using an array of sophisticated techniques—including electron paramagnetic resonance (EPR), high-resolution mass spectrometry, and Raman spectroscopy—the investigators traced the pathway of formate oxidation facilitated by these water radicals. EPR spectra clearly revealed the presence of radical intermediates, affirming that bulk water undergoes complex redox cycling under electrochemical conditions. Mass spectrometric analysis further identified distinct C₁ intermediates formed through formate oxidation, confirming that these reactive species originate in solution rather than at the electrode directly.

One of the most striking revelations is the relationship between formate concentration and the extent of hydrogen-bond disruption within water. The researchers demonstrated that increasing concentration drives sequential structural rearrangements in the hydrogen-bond network, which in turn promotes the generation of water-derived radicals. This concentration-dependent restructuring serves as a switch, modulating the redox chemistry occurring in the bulk electrolyte and consequently the formation of reactive intermediates. It suggests that the electrolyte is far more than a passive medium—it acts as a dynamic chemical reservoir influencing the reaction landscape.

Moreover, in situ electrochemical measurements revealed that the C₁ intermediates formed in the bulk do not remain confined to the solution phase. Instead, these radicals migrate towards the copper cathode surface, enabling unprecedented C–C coupling reactions through radical-mediated pathways. The formation of carbon–carbon bonds is a pivotal step in the synthesis of multi-carbon fuels and chemicals, and achieving this coupling with high selectivity remains a central challenge in CO₂ electroreduction. This work uncovers a previously hidden route, whereby radical intermediates formed in bulk solution facilitate key bond-forming steps at the electrode interface.

This paradigm shift carries profound implications for the design of electrocatalytic systems. By tailoring the electrolyte composition to control hydrogen-bond networks and promote radical chemistry, it may become possible to enhance reaction rates, selectivity, and energy efficiency significantly. Rather than focusing solely on catalyst surface modifications, the study suggests a complementary strategy: engineering the bulk electrolyte environment to harness its redox activity deliberately.

Such insights also compel the reevaluation of conventional mechanistic models in electrocatalysis, which predominantly emphasize surface-bound intermediates and electron transfer processes occurring strictly at the electrode interface. The demonstration that bulk water acts as an active redox mediator—not simply a background solvent—opens new avenues for exploring liquid-phase chemistry under electrochemical conditions. This conceptual expansion elevates the functional role of water from a benign medium to a chemically reactive participant influencing catalytic outcomes.

The use of formate as a model electrolyte is particularly insightful given its dual role as both a reactant and a mediator in these reactions. The findings suggest that specific electrolyte species can be selected or designed to manipulate hydrogen-bonding networks and generate targeted radical intermediates, facilitating reaction pathways that were previously inaccessible. This approach could translate broadly across different electrosynthetic targets, providing a versatile toolbox for green chemical manufacturing.

Another important aspect uncovered by this research is the dynamic interplay between molecular structure, solvation environment, and electrochemical potentials. The way in which electrolyte ions influence local water organization and its subsequent redox behavior under applied voltage embodies a complex coupling of physical and chemical phenomena that are only beginning to be understood in detail. This holistic view emphasizes the necessity of studying electrochemical systems as integrated interfaces influenced by both interfacial and bulk phase interactions.

From a practical standpoint, leveraging bulk water redox chemistry may contribute to lowering energy barriers associated with challenging bond formations, reducing overpotentials, and increasing system robustness. The generation and utilization of radicals within the electrolyte may also enable new reaction pathways that bypass conventional catalytic limitations, leading to improved product distributions and yields.

The research methodology combining advanced spectroscopic techniques alongside electrochemical probing is a model for future studies aiming to untangle convoluted reaction mechanisms in complex environments. Their ability to observe transient radical species in situ under realistic conditions sets a high standard, encouraging the integration of complementary analytical tools to capture fleeting intermediates and dynamic molecular interactions in electrocatalysis.

Looking forward, the ability to manipulate bulk water’s redox properties through electrolyte engineering promises to transform our understanding and practical implementation of electrochemical synthesis. By tuning hydrogen-bond networks, ionic strengths, and electrolyte identities, it may become feasible to orchestrate entire reaction pathways mediated by radical species generated in solution. This holistic approach to controlling electrochemical environments could unlock new sustainable routes to fuels, chemicals, and materials.

In conclusion, this pioneering work by Li and Cui boldly revises traditional concepts of electrocatalysis by placing bulk water redox chemistry center stage as a powerful mediator enabling radical-based C–C coupling in CO₂ electroreduction. It broadens the frontier of electrochemical science, enriching our mechanistic frameworks and inspiring innovative strategies for the design of next-generation electrosynthetic systems. The implications of these findings reverberate far beyond a single reaction, hinting at a transformative potential to harness the subtle chemistry of water itself in driving complex catalytic processes.

Subject of Research: Bulk water redox chemistry and radical-mediated C–C coupling in CO₂ electroreduction

Article Title: Bulk water redox chemistry enables radical-mediated C–C coupling in CO₂ electroreduction

Article References:
Li, L., Cui, C. Bulk water redox chemistry enables radical-mediated C–C coupling in CO₂ electroreduction. Nat. Chem. (2025). https://doi.org/10.1038/s41557-025-01948-z

Image Credits: AI Generated

Platinum has long been heralded as a titan in the realm of catalysis, employed notably in heterogeneous gas-phase catalysis to mitigate harmful emissions such as carbon monoxide in automotive exhaust. However, the remarkable properties offered by rhodium, another precious metal, have prompted scientists to explore bimetallic combinations for enhanced catalytic efficacy. An especially promising configuration, the platinum core with an ultra-thin rhodium shell, has become the focal point of study, aiming to optimize the elemental distribution to increase catalyst durability and functionality.

Delving into the nanoscale, understanding how the surface chemistry of these core-shell nanoparticles evolves during catalysis has posed a formidable challenge. A team spearheaded by Dr. Thomas F. Keller at DESY NanoLab employed a combination of advanced microscopy and spectroscopic techniques to uncover the surface transformations that occur. Notably, they capitalized on the unique capabilities of the BESSY II synchrotron radiation source and the SMART instrument at the Fritz Haber Institute to conduct spatially resolved chemical analysis with unparalleled precision.

The investigative journey began with meticulous characterization in the electron microscopes housed within the DESY NanoLab, utilizing scanning electron microscopy (SEM) and atomic force microscopy (AFM) to locate and map individual Pt-Rh nanoparticles with nanoscale accuracy. This foundational step was critical for ensuring that subsequent spectroscopic measurements could be precisely correlated with the observed structural features, setting the stage for a comprehensive study of chemical dynamics under catalytic conditions.

Employing X-ray photoemission electron microscopy (XPEEM) at the SMART instrument, researchers could selectively probe chemical species on the nanoparticles’ surfaces with a spatial resolution of just 5 to 10 nanometers—a remarkable feat that allowed for element-specific imaging. This technique illuminated how rhodium atoms behave when subjected to changing environmental conditions representative of catalytic operation, such as exposure to reducing hydrogen atmospheres and oxidizing oxygen environments.

One of the ground-breaking revelations was the observation that rhodium is not simply a static shell around the platinum core; rather, it actively diffuses into the platinum lattice during catalysis, a dynamic process influenced heavily by operating temperature and gas atmosphere. Under reducing conditions dominated by hydrogen, this Rh-to-Pt diffusion accelerates, suggesting a deeper atomic intermixing that can modify the catalyst’s surface properties profoundly. Conversely, oxidizing oxygen environments suppress but do not reverse this migration, indicating a net transfer of rhodium into the core structure.

Temperature intensifies these effects, with higher heat amplifying the alloying process between the platinum and rhodium. Such thermal sensitivity emphasizes the necessity for precise thermal management in catalytic systems to balance the beneficial and potentially adverse impacts of elemental mixing on catalyst activity and stability. This diffusion phenomenon hints at an intrinsic self-adjusting mechanism within these nanoparticles, potentially prolonging their operational lifespan and effectiveness.

Beyond elemental distribution, the study unveiled the critical influence of the nanoparticles’ crystallographic facets on catalytic behavior. The Pt-Rh nanoparticles have polyhedral shapes with multiple facets, each presenting distinct atomic arrangements and step edges—regions characterized by under-coordinated atoms. Catalytic reaction rates were found to be facet-dependent, with pronounced activity on surfaces abundant in atomic steps. Particularly, rhodium oxidation was most prominent on these stepped facets, underscoring the importance of precise control over nanoparticle morphology to fine-tune catalytic performance.

These insights into facet-specific oxidation dynamics bear significant implication for the design of nanocatalysts, especially considering that such oxidation can irreversibly alter the nanoparticles during usage, leading to performance degradation. Understanding the interplay between facet geometry and chemical reactivity provides a roadmap to engineer catalysts with tailored surface structures that maximize efficiency while mitigating deactivation pathways.

The experimental approach combining microscopy with spectroscopy at BESSY II represents a milestone in catalyst research, as it transcends traditional bulk analyses and offers a nanoscale window into live chemical processes. This facet-resolved spectro-microscopy methodology paves the way for rational catalyst design wherein atomic-scale insights directly inform the synthesis of more robust and effective catalytic nanomaterials.

Looking forward, the knowledge gained from this study could guide the development of next-generation catalysts capable of driving sustainable chemical transformations, including the efficient conversion of carbon dioxide and hydrogen into fuels and valuable chemicals. Fine-tuning the Pt-Rh core-shell architecture could yield catalysts that balance activity, selectivity, and longevity—critical parameters for industrial and environmental applications.

Moreover, the demonstrated ability to monitor real-time chemical changes at the nanoscale establishes a versatile framework applicable beyond platinum-rhodium systems, extending to a broad spectrum of bimetallic or multicomponent catalysts. This cross-cutting potential ensures that such advances will have ripple effects throughout materials science and catalysis, accelerating innovations in energy conversion and pollution control technologies.

As the race toward cleaner and more sustainable technologies intensifies, the union of precise nanoscale characterization and intelligent catalyst design embodied in this research points the way forward. The fusion of experimental spectroscopy and microscopy tools, coupled with strategic elemental engineering, can unlock unprecedented catalytic behaviors, forging pathways toward environmental remediation and green chemistry that are both effective and economically viable.

Subject of Research: Not applicable
Article Title: Spectro-Microscopy of Individual Pt–Rh Core–Shell Nanoparticles during Competing Oxidation and Alloying
News Publication Date: 30-Jul-2025
Web References: 10.1021/acsnano.5c07668
Image Credits: Arno Jeromin, DESY NanoLab

Keywords

Physical sciences, Chemistry, Catalytic efficiency

This study notes that the efficiency of electrocatalytic CO2 reduction hinges on many factors. While catalyst material choice and reaction conditions play significant roles, the dynamics of the catalyst surface are equally pivotal. Changes in the surface structure of a catalyst can lead to variations in reactivity and product selectivity. Therefore, understanding these surface dynamics could lead to the development of more effective catalysts, heralding a new era in sustainable fuel production.

The researchers employed advanced characterization techniques to investigate the behaviors of various catalysts under operational conditions. They meticulously tracked how the catalyst surfaces evolved during CO2 reduction processes. Interestingly, they discovered that dynamic rearrangements on the catalyst’s surface could lead to increased active sites and enhanced reaction rates. This finding underscores the importance of a three-dimensional understanding of catalyst surfaces, a significant departure from traditional two-dimensional perspectives commonly adopted in this area.

Moreover, the paper demonstrates that not all surface changes are beneficial. In some instances, undesirable surface transformations led to reduced activity, suggesting a complex interplay between catalyst design and operating conditions. Hence, optimizing the synthesis and operational parameters of electrocatalysts becomes a delicate balance that demands a comprehensive understanding of the catalysis and advanced materials science.

One remarkable aspect of the study is the investigation of different catalyst materials. By comparing a range of metal and metal oxide catalysts, the research team identified specific compositions that exhibited superior surface dynamics, leading to enhanced conversion efficiency. The work provides a crucial insight that could guide future research towards more effective combinations of materials in electrocatalytic applications.

Moreover, the study also delves into the role of interface phenomena in enhancing catalyst activity. The researchers argue that catalysis does not occur in isolation, but is influenced significantly by the interactions between different phases present within the system. The findings indicate that understanding interfacial dynamics could unlock new pathways for optimizing catalytic performance.

While the principal aim of the research revolves around improving conversion efficiency, the broader implications of these findings cannot be overstated. Enhancing CO2 reduction processes holds vast potential not only for climate mitigation but also for generating renewable fuels and chemicals. Converting waste CO2 into useful products could significantly alleviate the burden on various sectors, making technology shifts in energy and materials production more sustainable.

The multidisciplinary approach taken by the authors, engaging facets of electrochemistry, materials science, and chemical engineering, demonstrates the complexity and interconnectedness of modern scientific research. Such collaborative work paves the way for innovative advancements that can be translated from laboratory findings to real-world applications, potentially revolutionizing the entire field of renewable energy.

Additionally, the research opens exciting avenues for future exploration. Expanding on the findings presented, there is significant scope to investigate the behavior of mixed-metal catalysts, which might harness the advantages of synergistic effects while retaining stability under operational conditions. This line of inquiry could lead to unprecedented efficiencies in electrocatalysis, a necessary step in achieving economically viable carbon capture and utilization technologies.

As the urgency to address global warming intensifies, research focused on electrocatalytic CO2 reduction remains high on the agenda for many scientific communities. Novel insights such as those shared by Kareem and colleagues are essential in the quest for cleaner and more sustainable energy solutions. Their work highlights how a deeper understanding of surface dynamics can unlock new potentials in CO2 transformations, moving us closer to achieving the ambitious goals set by global climate agreements.

In conclusion, this research represents an essential step forward in our understanding of electrocatalytic processes. By emphasizing the impact of dynamic surface changes on catalyst performance, it paves the way for more intelligent catalysis design principles and methodologies. If implemented effectively, the innovations stemming from these findings could position humanity on a more sustainable path, utilizing CO2, a mainstay of our climate woes, as a resource rather than a liability.

Moving forward, the scientific community must continue to emphasize and invest in researching advanced materials and innovative approaches to challenge the existing paradigms in CO2 reduction technology. By harnessing the principles of surface dynamics, researchers have an exciting frontier to explore that promises far-reaching benefits for the environment, economy, and energy landscape.

Subject of Research: Electrocatalytic CO₂ reduction and surface dynamics effect on catalyst efficiency.

Article Title: Electrocatalytic CO₂ reduction: surface dynamic effects on conversion efficiency.

Article References: Kareem, A.K., Ahmed, A.T., Saleh, E.A.M. et al. Electrocatalytic CO₂ reduction: surface dynamic effects on conversion efficiency. Ionics (2025). https://doi.org/10.1007/s11581-025-06611-8

Image Credits: AI Generated

DOI: https://doi.org/10.1007/s11581-025-06611-8

Keywords: Electrocatalysis, CO2 Reduction, Surface Dynamics, Catalysts, Sustainable Energy.

The core challenge in high-temperature CO₂ electroreduction lies in developing a catalyst that not only exhibits high activity but also maintains structural integrity under rigorous operating conditions. Traditional metal catalysts often succumb to agglomeration and degradation, leading to diminished performance over time. Addressing this, the research team engineered an alloyed composition of cobalt and nickel, two transition metals known for their catalytic prowess, and enveloped them within an SDC layer renowned for its chemical inertness and thermal stability. This encapsulation creates a synergistic environment that balances reactivity and durability.

At the heart of this catalyst design is the unique interplay between the metal alloy and its oxide encapsulation. The SDC shell acts as a physical barrier, preventing the Co–Ni nanoparticles from coalescing—a notorious cause of catalyst deactivation. Moreover, the oxide layer modulates the surface chemistry, subtly altering the adsorption energies of key reaction intermediates. This fine-tuning effect particularly tempers carbon monoxide (CO) adsorption, a crucial step because overly strong CO binding can poison the catalyst surface and inhibit further reduction reactions.

The precise engineering of the alloy composition was a pivotal aspect of this study. By optimizing the ratio of cobalt to nickel, the researchers managed to enhance CO₂ adsorption on the catalytic surface without compromising the catalyst’s stability. Cobalt offers a strong affinity for CO₂ molecules, while nickel contributes to electron transfer processes vital for the multi-electron reduction pathway. Together, they facilitate a highly efficient conversion process that surpasses the capabilities of pure metal catalysts.

Characterization techniques including transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) confirmed the encapsulated structure and the homogenous distribution of the Co–Ni alloy nanoparticles within the SDC matrix. These analyses provided compelling evidence for the catalyst’s structural robustness at elevated temperatures, a precondition for maintaining long-term activity during electrochemical operation.

Electrochemical performance tests under high-temperature conditions revealed impressive catalytic activity with sustained current densities and Faradaic efficiencies favoring the production of valuable carbon-based products. Notably, the catalyst demonstrated exceptional stability over extended operational periods, showcasing minimal performance loss—a testament to the efficacy of the encapsulation strategy in mitigating common degradation pathways.

Beyond laboratory-scale assessments, the implications of this work resonate profoundly with industrial applications. High-temperature CO₂ electroreduction systems present attractive prospects for integration with existing thermal processes, enabling utilization of waste heat to drive carbon conversion reactions more efficiently. The Co–Ni/SDC catalyst’s resilience and activity align well with such practical deployment scenarios, pushing the frontiers of scalable carbon capture and utilization technologies.

The theoretical insights provided in the study complement the experimental findings. Density functional theory (DFT) calculations elucidated the electronic effects induced by alloying and encapsulation, revealing modifications in the catalyst’s d-band center that favor optimal adsorption energies of reaction intermediates. This mechanistic understanding not only rationalizes the observed catalytic improvements but also lays groundwork for future catalyst design paradigms targeting high-performance CO₂ electroreduction.

An important aspect of this research lies in its holistic approach—combining materials synthesis, advanced characterization, electrochemical testing, and theoretical modeling. This integrated methodology underscores the necessity of multidisciplinary collaboration to tackle complex challenges in sustainable chemistry. It also highlights how meticulous control at the atomic scale can translate into macroscale impact, enhancing both efficacy and longevity of catalytic materials.

The environmental and economic stakes of such developments cannot be overstated. Transforming CO₂ into fuels or chemical feedstocks presents a circular economy opportunity, mitigating reliance on fossil resources while reducing greenhouse gas accumulation. By advancing catalysts that operate efficiently at industrially relevant temperatures, this study moves the field closer to practical, impactful solutions that could reshape energy and chemical manufacturing landscapes.

Looking forward, the principles demonstrated through this Co–Ni alloy encapsulated in SDC offer a versatile platform adaptable to other catalytic systems and reactions beyond CO₂ electroreduction. Tailoring metal-oxide interfaces through controlled encapsulation can open doors to enhanced performance across a broad spectrum of electrochemical and thermochemical processes, further catalyzing innovations toward a sustainable future.

In conclusion, the research conducted by Ma and collaborators signifies a major stride in the development of robust, high-performance catalysts for CO₂ electroreduction at elevated temperatures. By harnessing the synergistic properties of an optimized Co–Ni alloy and an inert SDC encapsulation, they have pioneered a technology that gracefully balances catalytic activity with operational stability. This breakthrough holds significant promise for industrial application, offering a tangible pathway to converting carbon emissions into valuable products efficiently and sustainably.

Subject of Research: Development of a cobalt–nickel alloy catalyst encapsulated with Samarium-doped ceria for enhanced high-temperature CO₂ electroreduction.

Article Title: Encapsulated Co–Ni alloy boosts high-temperature CO₂ electroreduction.

Article References:
Ma, W., Morales-Vidal, J., Tian, J. et al. Encapsulated Co–Ni alloy boosts high-temperature CO₂ electroreduction. Nature (2025). https://doi.org/10.1038/s41586-025-08978-0

Image Credits: AI Generated