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Article
Chemistry, Multidisciplinary
Leilei Yin et al.
Summary: This study reports cerium single atoms (Ce SAs) supported on a P, S, and N co-doped hollow carbon substrate (Ce SAs/PSNC) for the oxygen reduction reaction (ORR). The Ce SAs/PSNC exhibits excellent ORR stability and outperforms commercial Pt/C and most recent SACs. Ce SAs/PSNC-based liquid zinc-air batteries (ZABs) show a high and stable open-circuit voltage and a maximum power density. Theoretical calculations reveal that the introduction of S and P sites significantly modulate the electronic properties of Ce SA active sites, promoting the electroactivity of Ce SAs within the Ce SAs/PSNC.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Mengmeng Du et al.
Summary: A new catalyst has been developed for the electrochemical valorization of PET waste into glycolate with high efficiency and selectivity. The catalyst exhibits excellent electrochemical properties, enabling efficient conversion at low voltage, providing a viable method for the recycling of PET waste.
Article
Chemistry, Physical
Meng Li et al.
Summary: Rare-earth elements play a crucial role in regulating the electrocatalysis of transition metals, but the enhanced mechanism of transition metals by rare-earth elements is still not well understood. In this study, a Ce-CoP catalyst is constructed to investigate the origin and distinction of Ce-induced enhancement in both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER). The Ce-CoP catalyst exhibits superior bifunctional electrocatalytic activity with excellent stability, and theoretical calculations reveal that the unique 4f valence electron structure of Ce is responsible for the differentiated regulation of Co sites in the HER and OER. These findings provide new insights into the enhanced mechanism of electrocatalysis by rare-earth elements and offer valuable design guidelines for efficient multi-functional electrocatalysts.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Degenhart Hochfilzer et al.
Summary: Working with non-noble electrocatalysts presents challenges in evaluating their intrinsic activity and characterizing their working state and changes. Despite numerous studies, these issues have not been adequately addressed, impeding significant progress. This Perspective discusses the pitfalls and challenges of working with non-noble-metal-based electrocatalysts, from synthesis to characterization, and proposes potential solutions. Reliable measurements of their intrinsic activity will enhance our understanding of electrocatalysis and facilitate the development of more active and selective electrocatalysts.
ACS ENERGY LETTERS
(2023)
Article
Multidisciplinary Sciences
Zetian Qiu et al.
Summary: One-step conversion of low-purity polyolefins to branched liquid alkanes is achieved using a reusable, noble metal-free and impurity-tolerant bifunctional catalyst, MoSx-Hbeta. The catalyst works under mild conditions and is compatible with various types of polyolefins, including those mixed with heteroatom-linking polymers and contaminated polyolefins. The hydroconversion process demonstrates high yields of small alkanes, even at low temperatures, making it a promising method for chemical recycling of waste plastics.
Article
Chemistry, Multidisciplinary
Fulai Liu et al.
Summary: The electrooxidation of EG to GA with high efficiency and selectivity has been achieved using a Pd-Ni(OH)2 catalyst. The generation of OH* promoted by Ni(OH)2 plays a critical role in facilitating EG-to-GA oxidation and removing poisonous carbonyl species. The synergistic effect of Pd and Ni facilitates the rapid desorption and transfer of GA, avoiding over-oxidation and achieving high selectivity.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Review
Chemistry, Multidisciplinary
Kai Zheng et al.
Summary: The conversion of discarded plastics into valuable chemicals is an important problem to solve. Different conversion techniques can be categorized into violent conditions and mild conditions, with the former showing better conversion efficiencies and the latter being more environmentally friendly with great potential for future development. This review summarizes the state-of-the-art techniques for the conversion of plastics, including pyrolysis, solvolysis, microwave-initiated catalysis under violent conditions, and photocatalysis, electrocatalysis, biocatalysis under mild conditions. Suggestions and outlooks for the improvement of current techniques and in-depth mechanisms of investigation are also provided.
CHEMICAL SOCIETY REVIEWS
(2023)
Article
Chemistry, Multidisciplinary
Han Zhu et al.
Summary: By regulating the atomic environment of high-entropy-alloy (HEA) electrocatalysts, inactive sites can be transformed into active sites, leading to enhanced catalytic activity. A high-entropy FeCoNiCuMn HEA nanoparticle was synthesized by integrating low-electronegativity Mn and high-electronegativity Cu with Fe, Co, and Ni base metals, which facilitated the transformation of inactive Cu to electron-enriched active sites. This resulted in reduced adsorption energies of reactants, intermediates, and products, leading to improved hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) activity. The HEA exhibited superior electrocatalytic activity and cycling stability, surpassing Pt/C and IrO2 catalysts. This work represents a breakthrough in the design of advanced HEA electrocatalysts for complex reactions.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Review
Multidisciplinary Sciences
Liang Zou et al.
Summary: The inappropriate disposal of plastic wastes has led to significant environmental pollution, and there is a growing concern about finding a sustainable solution. Chemical recycling offers distinct advantages in converting plastic wastes, especially polyolefins, into olefins, thus achieving a closed-loop recycling. This paper provides an overview of the entire process of polyolefin chemical recycling, including feedstock pretreatment, chemical recovery, olefin refining, and life cycle analysis.
NATIONAL SCIENCE REVIEW
(2023)
Review
Chemistry, Multidisciplinary
Jiawei Liu et al.
Summary: This mini-review summarizes the recent progress in the syntheses and electrocatalytic applications of noble metal-based intermetallic nanocrystals. Various synthetic strategies for constructing binary, ternary and high-entropy intermetallic nanocrystals are discussed, highlighting their strengths and limitations. The electrocatalytic applications of intermetallic nanocrystals in oxygen reduction reaction, small molecule oxidation reactions, hydrogen evolution reaction, CO2/CO reduction reactions, and nitrogen reduction reaction are also discussed.
Article
Chemistry, Multidisciplinary
Yuxuan Lu et al.
Summary: The electrooxidation of 5-hydroxymethylfurfural (HMF) provides a green route to obtain high-value chemicals from biomass. The study reveals the adsorption behavior of HMF and OH- on Co3O4, with oxygen vacancy playing a crucial role. Modulating adsorption sites leads to excellent activity for the HMFOR process.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yuchen Qin et al.
Summary: In this study, highly efficient Pd-PdSe heterostructural nanosheets (Pd-PdSe HNSs) were successfully fabricated, showing unique electronic and geometrical structures with unconventional p-d hybridization interactions and tensile strain effect. Compared to commercial catalysts, Pd-PdSe HNSs exhibited significantly enhanced activity and selectivity for the oxidation of ethylene glycol.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Jianying Wang et al.
Summary: Upcycling plastic waste pollution for sustainable resources and energy is an ideal solution to environmental issues. This study reports an electrochemical upcycling approach using Cu-based nanowire catalysts to oxidize PET waste and produce valued chemicals and green hydrogen.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Applied
Fan Zhang et al.
Summary: Plastics, as versatile materials, have caused significant environmental problems and resource waste due to their extensive production and difficulty in degradation. This article summarizes recently developed chemical recycling methods for plastics, especially new catalytic paths, that aim to economically and environmentally valorize plastic waste. The article emphasizes the design criteria for new catalysts and innovative catalytic technologies for plastic upcycling.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Physical
Jianying Wang et al.
Summary: Electrocatalytic valorization of PET plastic coupled with CO2 reduction offers an efficient strategy for producing value-added chemicals, with high selectivity and Faradaic efficiency for formic acid production.
Article
Chemistry, Multidisciplinary
Peng Zhou et al.
Summary: The CuO-PdO heterogeneous interface was successfully constructed, resulting in an advanced onset-potential and higher current density for the electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF). The introduction of PdO enhanced the adsorption capacity of the organic molecule and promoted the adsorption and activation of OH- species at the CuO-PdO interface.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Wen Chen et al.
Summary: The synthesis of high-entropy alloy nanoplates with five metals was achieved, demonstrating remarkable electrocatalytic activity for alcohol oxidation reactions. The introduction of the fifth metal Rh improved the electron-transfer efficiency, while the synergistic protections from Bi, Sn, and Sb sites contributed to the stable electronic structures of the active sites. This work represents significant research advances in developing well-defined high-entropy alloys.
ADVANCED MATERIALS
(2022)
Article
Multidisciplinary Sciences
Yi Pei et al.
Summary: This study proposes a new material capable of forming a medium-entropy state spinel phase with partial cation disordering after initial delithiation, to address the limited capacity issue of positive electrode active material in non-aqueous rechargeable lithium-based batteries. Through experimental measurements and theoretical calculations, the structural disorder and direct shuttling of Li ions, as well as the cationic redox mechanism, are demonstrated.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Mengmeng Du et al.
Summary: Photocatalytic oxidation combined with water splitting offers a mild and effective strategy to valorize plastic waste into valuable chemicals and hydrogen fuels. In this study, MoS2-tipped CdS nanorods are used as photocatalysts to reform various plastics into valuable chemicals, while continuously producing hydrogen gas. This research provides a promising approach to transform plastic waste using solar energy.
Article
Chemistry, Multidisciplinary
Fulai Liu et al.
Summary: This study reports a general electrocatalytic strategy for selectively upgrading various polyester plastics into valuable chemicals using a CuCo2O4/Ni foam catalyst. The method efficiently converts polyethylene terephthalate (PET) into terephthalate and formate, providing guidance for the design of new electrocatalysts.
Article
Chemistry, Multidisciplinary
Wei Chen et al.
Summary: This study delves into the crucial role of nitrogenous nucleophile electrooxidation reaction (NOR) in the degradation and transformation of available nitrogen, particularly focusing on the transformation mechanism mediated by the beta-Ni(OH)(2) electrode. The study proposes the role of proton-coupled electron transfer (PCET) in bridging the electrocatalytic dehydrogenation and spontaneous nucleophile dehydrogenative oxidation reaction, with a specific focus on the urea oxidation reaction (UOR). Through both operando tracing and theoretical calculations, a mechanism for UOR involving intramolecular coupling of the N-N bond, accompanied by PCET, hydration, and rearrangement processes, is proposed to achieve high performance and approximately 100% N-2 selectivity. These findings shed light on the evolution of nitrogenous molecules during NOR, as well as fundamental aspects of electrocatalysis involving nitrogen-containing species.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Yaxuan Jing et al.
Summary: By catalytic hydrogenolysis using a Ru/Nb2O5 catalyst, various aromatic plastic wastes containing C-O and/or C-C linkages can be upgraded to arenes, presenting a new approach to addressing the environmental impact of plastic waste.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Yaming Hao et al.
Summary: NiFe oxyhydroxide is a promising catalyst for oxygen evolution reaction (OER) in renewable hydrogen production. By utilizing in situ reactive probes, it was found that oxygen atom transfer probes efficiently inhibited OER kinetics, pointing towards a new direction for optimizing NiFe-based OER electrocatalyst.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Review
Green & Sustainable Science & Technology
Taylor Uekert et al.
Summary: Photoreforming is a sunlight-driven technology that can simultaneously reclaim the value in waste and contribute to renewable hydrogen production. This Review examines the advantages and challenges and identifies ways forward.
NATURE SUSTAINABILITY
(2021)
Review
Multidisciplinary Sciences
LaShanda T. J. Korley et al.
Summary: Chemical recycling and polymer upcycling offer solutions to the challenges of plastic waste heterogeneity and property reductions, enabling circularity and reducing energy consumption and environmental impacts. The industrial adoption of these approaches is encouraging and plays a critical role in addressing the fate of plastics and advancing next-generation materials design.
Article
Multidisciplinary Sciences
Hua Zhou et al.
Summary: This study investigates a nickel-cobalt phosphide electrocatalyst for electroreforming PET plastic into valuable chemicals and fuel. The process shows profitability at high current densities and the developed catalyst demonstrates excellent performance in achieving desired products.
NATURE COMMUNICATIONS
(2021)
Review
Chemistry, Multidisciplinary
Yanjiao Ma et al.
Summary: The essential demand for functional materials enabling the realization of new energy technologies has driven significant efforts in scientific and industrial research. High-entropy materials, with their unique structural characteristics and tunable functional properties, have gained increasing interest in the fields of environmental science and renewable energy technology. Effective strategies for designing high-entropy materials from computational techniques and experimental aspects provide researchers with guidance on potential advantages and remaining challenges.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Xingchen Jiao et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Chemistry, Physical
Xiaotong Han et al.
Article
Chemistry, Multidisciplinary
Zhaohui Xiao et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2020)
Review
Chemistry, Inorganic & Nuclear
Hui Xu et al.
COORDINATION CHEMISTRY REVIEWS
(2020)
Review
Polymer Science
Jiang Gong et al.
PROGRESS IN POLYMER SCIENCE
(2019)
Article
Chemistry, Multidisciplinary
Taylor Uekert et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2019)
Article
Chemistry, Multidisciplinary
Stefan Grimme et al.
JOURNAL OF COMPUTATIONAL CHEMISTRY
(2011)
Article
Chemistry, Physical
Stefan Grimme et al.
JOURNAL OF CHEMICAL PHYSICS
(2010)
