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Article
Materials Science, Multidisciplinary
Qian Wang et al.
Summary: Direct ethanol fuel cells (DEFCs) are considered as one of the most promising energy resources for portable power devices. However, the current mainstream catalysts used in DEFCs have limitations in the complete oxidation of ethanol. This study proposes ultrathin trimetallic Pt/Ni/Rh nanowires as catalysts, which show high activity, stability, anti-CO poisoning ability, and selective complete ethanol oxidation.
SCIENCE CHINA-MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Hu Liu et al.
Summary: In this study, surface segregated FePtRh nanoflowers were introduced to effectively eliminate the CO* poisoning during MOR electrocatalysis. The optimized Fe21Pt66Rh13/C showed high mass activity and specific activity. The electron transfer from Pt to Rh or Fe atoms, as well as the alloying of Rh atoms and surface-segregated structures, contributed to the enhanced anti-CO poisoning ability.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Zhihu You et al.
Summary: This study successfully modulates the electronic state of Pd electrocatalysts by anchoring Pd nanoparticles to conjugated microporous polymers with different heterocycles. The Pd catalyst with S, N-containing thiazole heterocyclic polymer exhibits the highest catalytic activity in alcohol oxidation reactions, surpassing commercial catalysts.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Xiaoyang Fu et al.
Summary: This minireview provides a brief introduction to the fundamental challenges associated with anode alcohol oxidation reaction (AOR) in alkaline direct alcohol fuel cells (ADAFCs), as well as the key performance metrics and evaluation protocols for benchmarking AOR electrocatalysts. Recent advances in noble-metal based AOR electrocatalysts, such as Pt, Pd, and Rh, are summarized with a focus on design criteria for improving specific activity and electrochemical surface area to achieve high mass activity and long term durability. Strategies to enhance Faradaic efficiency and reduce overpotential are also discussed. The article concludes with a brief perspective on future challenges and opportunities.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Bing Lan et al.
Summary: The research team successfully improved the CO2 selectivity of ethanol oxidation reaction by fabricating highly-dispersive Bi(OH)(3) species on Rh interfaces, addressing the poisoning effect of C1 intermediates on the original Rh activity. The strong interaction between Rh and Bi(OH)(3) enhanced the catalyst's activity and stability.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Lan Hui et al.
Summary: The development of efficient and durable electrocatalysts is crucial for commercial fuel cells. A new method using atomically platinum chlorine species was employed to grow gold quantum dots on a porous graphdiyne support. The resulting electrocatalysts exhibited high mass activity for methanol and ethanol oxidation reactions, surpassing the performance of commercial Pt/C. The catalyst also demonstrated excellent stability in methanol oxidation reactions.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Chemistry, Multidisciplinary
Xichen Zhou et al.
Summary: The Au@Pd core-shell nanorods with a unique fcc-2H-fcc heterophase exhibit superior electrocatalytic ethanol oxidation performance, contributing to insights into the catalytic mechanism. The exceptional performance of the heterophase Au@Pd nanorods is attributed to the unconventional 2H phase, the 2H/fcc phase boundary, and the lattice expansion of the Pd shell.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Chemistry, Physical
Mingyu Chu et al.
Summary: In this study, a new Pd-based composite material with a strong coupling interface was developed to address the issue of blocked active sites on Pd electrodes caused by adsorbed CO species. The incorporation of Bi(OH)(3) effectively separated the Pd ensemble and induced a rich electron state, leading to excellent CO tolerance and enhanced catalytic efficiency.
Article
Chemistry, Physical
Yan Qiao et al.
Summary: Introducing K+ cations into a strong acid electrolyte enables efficient CO2 reduction reaction, resulting in high current efficiency and carbon efficiency for HCOOH production, surpassing alkaline electrolyte.
Article
Chemistry, Physical
Chang Liu et al.
Summary: This study successfully synthesized metastable Pd nanoparticles with abundant twin boundaries and atomic steps using a solid-state thermal shock strategy. These nanoparticles exhibited excellent reactivity, stability, and CO tolerance in alkaline solutions for the ethanol oxidation reaction.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yingnan Qin et al.
Summary: A novel trimetallic material PdWM was synthesized, with Pd50W27Nb23/C showing superior performance in EOR compared to commercial Pt/C and Pd/C. W and Nb enhanced adsorption and oxidation reactions, increasing C1 selectivity.
Article
Chemistry, Multidisciplinary
Hao Lv et al.
Summary: This study reports an easy yet powerful synthesis strategy for manipulating the mesoporous structure and crystallinity of 2D metals in a controlled manner. The synthesized 2D quasi-single-crystalline mesoporous nanoplates exhibit highly curved morphology, controlled metal composition, optimized electronic structures, and excellent electrocatalytic activity for ethanol oxidation reaction.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Sumei Han et al.
Summary: A self-etching strategy was developed to prepare PtBi nanorings with abundant low-coordinated atoms and inhomogeneous tensile strain. The PtBi nanorings showed superior activity towards methanol and ethanol oxidation reactions in alkaline media. The mass activities of the PtBi nanorings for methanol and ethanol oxidation reactions were 9.4 and 8.5 times higher than that of commercial Pt/C, respectively. The highly open structure of the PtBi nanorings provided plentiful catalytic active sites and increased the utilization of Pt atoms. The synergy of tensile strain and the ligand effect in PtBi nanorings optimized the adsorption energy and energy barrier of the key reaction intermediates. This work offers a promising strategy for the rational design and preparation of highly efficient catalysts for direct alcohol fuel cells.
ADVANCED FUNCTIONAL 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
Chemistry, Multidisciplinary
Bingyan Xu et al.
Summary: This study successfully synthesized a new class of Pd-based nanostructures with unconventional crystal phases and demonstrated their enhanced electrocatalytic activity in ethanol oxidation reaction, oxygen reduction reaction, and non-aqueous Li-air batteries.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Na Ye et al.
Summary: In this study, a highly efficient PdSn-TaN/C electrocatalyst was developed for the cleavage of CC bonds in ethanol. The catalyst exhibited high activity, good durability, and selectivity towards CO2 production. In-situ experiments and theoretical calculations provided insights into the cleavage mechanism of this catalyst.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Hengjia Wang et al.
Summary: In this study, a bubbling CO-induced gelation method was developed to construct single-atom W-doped Pd metallene aerogels. The resulting aerogels exhibited outstanding performance and high C1 pathway selectivity for the ethanol oxidation reaction. This research not only provides an effective method for fabricating noble metal aerogels but also offers guidance for the development of high-efficiency electrocatalysts for the ethanol oxidation reaction.
Article
Chemistry, Physical
Yue Liu et al.
Summary: RhBi-Bi2O3 catalysts show superior EOR mass activity compared to pristine Rh and commercial Pd/C catalyst, with an increase of 80 times and 2.5 times respectively. Additionally, the catalyst exhibits excellent long-term durability.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Physical
Tian-Jiao Wang et al.
Summary: Developing an efficient catalyst for formic acid electrocatalytic oxidation reaction (FAEOR) is crucial for accelerating the commercial application of direct formic acid fuel cells (DFAFC). In this study, palladium phosphide (PdxPy) porous nanotubes (PNTs) with different phosphide content were successfully prepared through a self-template reduction method and phosphating treatment. The Pd3P PNTs with optimized phosphide content exhibited outstanding electroactivity and stability for FAEOR, mainly due to the strong electronic effect between Pd and P, which promoted the direct pathway of FAEOR and inhibited the occurrence of formic acid decomposition reaction. With its facile synthesis, excellent electroactivity, high stability, and unique selectivity, Pd3P PNTs have the potential to be an efficient anode electrocatalyst for DFAFC.
Article
Chemistry, Multidisciplinary
Shuxing Bai et al.
Summary: This study achieved selective EOR to CO2, with the optimized catalyst showing excellent performance, providing fundamental research for the design of efficient catalysts for EOR.
ADVANCED MATERIALS
(2021)
Review
Multidisciplinary Sciences
Yanyan Sun et al.
Summary: The high platinum loadings at the cathodes of proton exchange membrane fuel cells significantly increase the cost of these clean energy conversion devices. Recent developments focus on low- and non-platinum-based cathode catalysts and catalyst layers to address this issue. Advances in nanotechnologies and material sciences have led to the discovery of promising materials, including platinum-based alloys and platinum-group-metal-free catalysts, for more cost-effective solutions in the future.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Shuiping Luo et al.
Summary: The study presents a method for preparing isolated Rh atoms and tensile-strained Pt-Rh single-atom alloy through atomic galvanic replacement and electrochemical dealloying, demonstrating high electrocatalytic performance in alkaline electrolytes with activity, selectivity, stability, and anti-poisoning ability.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
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.
Article
Multidisciplinary Sciences
Tian-Jiao Wang et al.
Summary: The study presents a facile self-template pyrolysis strategy at high temperature to synthesize one-dimensionally holey Pt nanotubes (Pt-hNTs), which exhibit superior electroactivity and durability for catalyzing ethanol electrooxidation and hydrogen evolution reaction. The hollow and holey structure of Pt-hNTs contribute to their clean surface and energy-saving strategy for electrochemical hydrogen production, presenting a new approach for efficient and sustainable catalysis.
News Item
Energy & Fuels
Vincenzo Baglio
Article
Chemistry, Physical
Fan Lv et al.
Summary: A novel 2D Pd-Au heterogeneous catalyst with enhanced C1 selectivity for efficient ethanol oxidation was designed through phase and interphase engineering. The catalyst showed improved selectivity for the C1 pathway and robust stability after accelerated degradation testing.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Xiaobo Yang et al.
Summary: By designing an electrocatalyst with an Au-nanorod core and a PdPt-alloy shell, the study successfully addresses three key issues in AORs and improves the catalyst activity. Additionally, the catalyst optimizes the electronic structure and enables efficient electro-oxidation of various alcohol substances.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Applied
Tong Wu et al.
Summary: The graphene-nickel nitride hybrids supported palladium nanoparticles were designed to improve the durability of electrocatalysts for ethanol oxidation reaction (EOR). The introduction of AG-Ni3N depresses the CO absorption and promotes the adsorption of OH species for CO oxidation removal. The Pd/AG-Ni3N catalyst exhibits excellent electroactivity, with mass catalytic activity around 5.24 times higher than the commercial catalyst Pd/C in alkaline media, and displays excellent stability and durability after chronoamperometric measurements.
JOURNAL OF ENERGY CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Hengjia Wang et al.
Summary: This study successfully synthesized 3D porous aerogels comprising IL/Pd50Bi1 SAAs with accelerated gelation kinetics, and demonstrated their high-efficiency electrocatalytic activity and stability for EOR. This work provides a promising method for developing efficient SAAs catalysts for fuel electrooxidation.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Wenkai Liang et al.
Summary: In this work, 3D Au@Pt-Pd hemispherical nanostructures were fabricated as highly efficient electrocatalysts for oxidation reactions, exhibiting superior activity and durability compared to commercial Pt/C catalysts. The unique anisotropic nanostructures provide important insights for the design and preparation of high-efficiency electrocatalysts.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Guigao Liu et al.
Summary: Lattice engineering on specific facets of metal catalysts is crucial for enhancing catalytic performance, as shown by a two-step method developed to expand the lattice on Pt(100) and Pt(111) facets. This lattice expansion significantly promotes alcohol oxidation reactions on both Pt(100) and Pt(111) facets, with impressive mass-specific activities achieved on the Pt(111) facet. Density functional theory calculations suggest that enhanced OH adsorption is responsible for the improved catalytic performance. These findings pave the way for enhancing the electrocatalytic activity of nanomaterials and designing highly efficient catalysts.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Fei Gao et al.
Summary: A facile one-step surfactant-free strategy was developed for reconstructing shell dimensions of PdAu@Pd core@shell nanocrystals, resulting in nanocrystals with different structures and excellent catalytic properties.
Article
Multidisciplinary Sciences
Yajun Qiu et al.
Summary: The construction of Pd-Zn dual sites significantly improves the efficiency of ethanol electro-oxidation, exceeding commercial Pd/C by approximately 24 times. Further computational studies reveal that Pd-Zn dual sites promote the adsorption of ethanol and hydroxide ion, optimizing the electro-oxidation pathway.
NATURE COMMUNICATIONS
(2021)
Article
Energy & Fuels
Horie Adabi et al.
Summary: This study presents a high-performing commercial oxygen reduction catalyst that can replace platinum group metal catalysts, resulting in improved performance and reduced cost for anion-exchange membrane fuel cells.
Article
Chemistry, Physical
Horie Adabi Firouzjaie et al.
Article
Chemistry, Physical
Yiming Zhu et al.
Article
Chemistry, Multidisciplinary
Peng-Fei Yin et al.
ADVANCED MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Yue Sun et al.
CHINESE CHEMICAL LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Xiaobo Yang et al.
Article
Chemistry, Physical
Chan Zhu et al.
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Zhixiu Liang et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2019)
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Yiming Zhu et al.
Article
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Kai Liu et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Chemistry, Physical
Yang Yu et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
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Yanyan Zhang et al.
ACS ENERGY LETTERS
(2019)
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Junsong Guo et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2018)
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Lei Zhao et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2018)
Review
Energy & Fuels
Zachary P. Cano et al.
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Wei Zhu et al.
