4.6 Review

Rare earth alloy nanomaterials in electrocatalysis

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Ultra -stable Pt5La intermetallic compound towards highly efficient oxygen reduction reaction

Siyuan Zhu et al.

Summary: Designing feasible electrocatalysts for oxygen reduction reaction (ORR) requires advancement in both activity and stability. Alloying platinum with early transition metals, such as Pt La alloy, has been shown to be an efficient strategy. In this study, a Pt5La intermetallic compound was synthesized using a novel and facile strategy. The resulting Pt5La alloy catalyst exhibits enhanced activity and superior stability, providing new opportunities for future applications of Pt-rare earth metal alloy with excellent electrocatalytic properties.

NANO RESEARCH (2023)

Article Chemistry, Physical

Synthesis of Carbon-Supported Intermetallic Pt5Ce Compound Nanoparticles via a Water-Based Impregnation Route

Hiroshi Itahara et al.

Summary: This study successfully prepared carbon-supported Pt-Ln (Ln: lanthanide metal) nanoparticles using a water-based impregnation synthesis route, demonstrating their high catalytic activity in the oxygen reduction reaction (ORR). Mechanistic studies showed the formation process of Pt-Ce nanoparticles and their potential as efficient catalysts for ORR.

CHEMISTRY OF MATERIALS (2022)

Article Chemistry, Multidisciplinary

Molten salt synthesis of carbon-supported Pt-rare earth metal nanoalloy catalysts for oxygen reduction reaction

Yulin Jiang et al.

Summary: Nano-sized alloys of Pt and rare earth metals were successfully synthesized using a one-step molten salt synthesis method at high temperature. The resulting PtxY/C catalyst showed improved electrocatalytic activity and durability.

RSC ADVANCES (2022)

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Novel fusiform core-shell-MOF derived intact metal@carbon composite: An efficient cathode catalyst for aqueous and solid-state Zn-air batteries

Di Zhou et al.

Summary: The Co/CoO@NSC bifunctional catalyst with interconnected porous architecture and intact metal@carbon structure shows superior electrocatalytic activities in ORR and OER comparable to Pt/C and RuO2 catalysts. The resulting Zn-air batteries exhibit high specific capacity, energy density, and long rechargeable properties, highlighting its potential as a rechargeable power source.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Facile synthesis of Pt5La nanoalloys as the enhanced electrocatalysts for oxygen reduction reaction and methanol oxidation reaction

Chenming Fan et al.

Summary: This study introduces a novel and facile strategy for the chemical synthesis of Pt5La nanoalloys, which show significant improvement in ORR and MOR performances compared to the commercial JM-Pt/C catalyst.

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Hydrogen evolution reaction activity and stability of sintered porous Ni-Cu-Ti-La2O3 cathodes in a wide pH range

Liang Wu et al.

Summary: This article introduces a novel porous Ni-Cu-Ti-La2O3 cathode with excellent low-cost, efficient, and stable hydrogen evolution reaction (HER) performance, which can be used as a substitute for the expensive Pt/C electrode in the HER field.

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Scission of C-O and C-C linkages in lignin over RuRe alloy catalyst

Xinxin Li et al.

Summary: A multifunctional RuRe alloy catalyst was developed for efficient cleavage of C-O and C-C bonds in lignin model compounds and lignin, resulting in high yields of monocyclic compounds.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Atomically Ordered Pt5La Nanoparticles as Electrocatalysts for the Oxygen Reduction Reaction

Takao Gunji et al.

Summary: In this study, atomically ordered intermetallic Pt5La nanoparticles were successfully prepared and exhibited higher ORR activity and durability compared to commercially available Pt nanoparticles.

ACS APPLIED NANO MATERIALS (2022)

Article Chemistry, Applied

Electron modulation of cobalt carbonate hydroxide by Mo doping for urea-assisted hydrogen production

Siyu Zheng et al.

Summary: Combining urea oxidation reaction (UOR) with hydrogen evolution reaction (HER) is an effective method for energy saving and highly efficient electrocatalytic hydrogen production. In this study, molybdenum-incorporated cobalt carbonate hydroxide nanoarrays were designed and synthesized as a bifunctional catalyst, exhibiting outstanding catalytic performance and durability in both UOR and HER reactions.

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Review Chemistry, Physical

Recent advances in rare-earth-based materials for electrocatalysis

Xuan Wang et al.

Summary: This review provides a timely and comprehensive summary of major achievements regarding rare earth (RE)-based electrocatalytic materials. It discusses the development and advantages of RE-based electrocatalysts, and reviews various RE-based materials that have been developed over the last 5 years. Challenges and perspectives are also presented to guide future research on RE-based materials.

CHEM CATALYSIS (2022)

Article Chemistry, Physical

Ultra-stable Pt5La intermetallic compound towards highly efficient oxygen reduction reaction

Siyuan Zhu et al.

Summary: This study reports the synthesis of a Pt5La intermetallic compound, which exhibits enhanced activity and excellent stability. The catalyst shows high half wave potential and mass activity, and performs superior stability during accelerated stressed test.

NANO RESEARCH (2022)

Article Chemistry, Applied

Effect of rare-earth elements in Pd ternary alloy catalysts on activity toward oxygen reduction reaction

Do-Hyung Kim et al.

Summary: To enhance the ORR activity of Pd-based alloy catalysts, the electronic structure of Pd is changed by alloying with transition metals and rare-earth elements. Rare-earth elements can donate electrons easily and fill the antibonding orbital of Pd to increase ORR activity.

CATALYSIS TODAY (2021)

Review Chemistry, Multidisciplinary

Noble-Metal Based Random Alloy and Intermetallic Nanocrystals: Syntheses and Applications

Ming Zhou et al.

Summary: Random alloy and intermetallic nanocrystals exhibit unique physicochemical properties, making them ideal models for structure-to-property studies and finding applications in electrocatalysis, photocatalysis, magnetism, etc. Scientific research has shown significant interest in these nanocrystals and advancements have been made in synthetic principles and strategies.

CHEMICAL REVIEWS (2021)

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The bismuth architecture assembled by nanotubes used as highly efficient electrocatalyst for CO2 reduction to formate

Hongzhi Zheng et al.

Summary: Synthesizing metallic bismuth electrocatalyst with unique nanostructure has shown high efficiency and selectivity in CO2 reduction reaction, highlighting the importance of understanding factors governing catalytic activity in this process.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Physical

One-stone, two birds: Alloying effect and surface defects induced by Pt on Cu2-xSe nanowires to boost C-C bond cleavage for electrocatalytic ethanol oxidation

Hongcheng Peng et al.

Summary: Efficient C-C bond cleavage is crucial for ethanol electrooxidation. PtCu/Cu2-xSe nanowires exhibited high activity for ethanol and methanol oxidation due to the formation of PtCu alloys lowering the D-band level to promote hydroxyl species adsorption, and creating abundant defects with high density of low-coordinated atoms to boost reaction kinetics. The assembled direct ethanol fuel cells with PtCu/Cu2-xSe NWs as anode showed promising performance, providing a potential catalyst for C-C bond cleavage and an effective strategy to enhance electrocatalytic activity for ethanol/methanol oxidation.

NANO ENERGY (2021)

Article Chemistry, Physical

Oxidative Dehydrogenation of Ethane with CO2 as a Soft Oxidant over a PtCe Bimetallic Catalyst

Muhammad Numan et al.

Summary: Catalytic oxidation of ethane using CO2 as a soft oxidant enables the production of value-added ethylene. Supported Pt5Ce intermetallic catalysts exhibit high stability and selectivity for ethylene production, with reduced affinity for ethylene compared to monometallic Pt catalysts, thereby decreasing the likelihood of coke formation on the active Pt surface.

ACS CATALYSIS (2021)

Article Chemistry, Applied

Easy preparation of multifunctional ternary PdNiP/C catalysts toward enhanced small organic molecule electro-oxidation and hydrogen evolution reactions

Zhipeng Yu et al.

Summary: A simple phosphorization treatment can greatly enhance the electrocatalytic performance of palladium-nickel catalysts in direct liquid fuel cells and water electrolyzers, showing substantial promise for large-scale applications.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Tuning the electron structure enables the NiZn alloy for CO2 electroreduction to formate

Xiaodong Zhang et al.

Summary: An environmentally friendly and low-cost NiZn alloy catalyst has been developed for CO2RR to formate, exhibiting high Faraday efficiency and stability. Theoretical calculations suggest that the middle valence electron structure of the NiZn alloy is favorable for formate formation and unfavorable for hydrogen and CO production. UV photoelectron spectroscopy results confirm the modulated valence electron structure of the NiZn alloy compared to Ni and Zn.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Enhancing electrocatalytic nitrogen reduction to ammonia with rare earths (La, Y, and Sc) on high-index faceted platinum alloy concave nanocubes

Yu-Jie Mao et al.

Summary: The controllable synthesis of Pt-RE alloy catalysts with high-index facets exhibits excellent catalytic performance in the electrocatalytic nitrogen reduction to ammonia process, showing high selectivity and stability.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Lanthanide electronic perturbation in Pt-Ln (La, Ce, Pr and Nd) alloys for enhanced methanol oxidation reaction activity

Shuai Zhang et al.

Summary: This study synthesized a series of Pt-Ln/C (Ln = La, Ce, Pr, Nd) nanoalloy catalysts to enhance the electroactivity towards methanol oxidation and suppress the CO poisoning effect of Pt. Among them, Pt5Ce/C showed the best performance with 11.1 times higher specific activity compared to commercial Pt/C. The work demonstrates the critical promotion effect of lanthanide elements in the electroactivity of Pt, providing new ideas for designing efficient lanthanide alloy catalysts.

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Rare Earth Single-Atom Catalysts for Nitrogen and Carbon Dioxide Reduction

Jieyuan Liu et al.

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Preparation of Ni-P-La alloy as a novel electrocatalysts for hydrogen evolution reaction

Alireza Madram et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Ternary PtSmCo NPs electrocatalysts with enhanced oxygen reduction reaction

Qinghua Gong et al.

JOURNAL OF RARE EARTHS (2020)

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Synthesis of Pt-Rare Earth Metal Nanoalloys

Yang Hu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Rare-earth-platinum alloy nanoparticles in mesoporous zeolite for catalysis

Ryong Ryoo et al.

NATURE (2020)

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The enhanced activity of Pt-Ce nanoalloy for oxygen electroreduction

Juan Qin et al.

SCIENTIFIC REPORTS (2020)

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Significantly enhanced electrocatalytic N2reduction to NH3by surface selenization with multiple functions

Wenwen Cai et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Amorphous Ni-Nb-Y Alloys as Hydrogen Evolution Electrocatalysts

S. Ghobrial et al.

ELECTROCATALYSIS (2019)

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Facile synthesis of Pd3Y alloy nanoparticles for electrocatalysis of the oxygen reduction reaction

Riccardo Brandiele et al.

ELECTROCHIMICA ACTA (2019)

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Top-Down Synthesis of Nanostructured Platinum-Lanthanide Alloy Oxygen Reduction Reaction Catalysts: PtxPr/C as an Example

Johannes Fichtner et al.

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Elucidation of the Oxygen Reduction Volcano in Alkaline Media using a Copper-Platinum(111) Alloy

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JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Facile fabricate stable rare-earth bimetallic carbide as electrocatalyst for active oxygen reduction reaction

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Activity and Stability of Carbon Supported PtxY Alloys for the ORR Determined by RDE and Single-Cell PEMFC Measurements

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