An-Hui Lu

article

An Active and Regenerable Nanometric High‐Entropy Catalyst for Efficient Propane Dehydrogenation

Shu‐Zhen Zhou, Wen‐Cui Li, Bowen He, Ya‐Dong Xie, more

Angewandte Chemie International Edition > 63 > 43 > n/a - n/a

Propane dehydrogenation (PDH) is crucial for propylene production, but commercially employed Pt‐based catalysts face susceptibility to deactivation due to the Pt sintering during reaction and regeneration steps. Here, we report a SiO₂ supported nanometric (MnCoCuZnPt) high‐entropy PDH catalyst with high activity and stability. The catalyst exhibited a super high propane conversion of 56.6 % with 94...

article

An Active and Regenerable Nanometric High‐Entropy Catalyst for Efficient Propane Dehydrogenation

Shu‐Zhen Zhou, Wen‐Cui Li, Bowen He, Ya‐Dong Xie, more

Angewandte Chemie > 136 > 43 > n/a - n/a

Propane dehydrogenation (PDH) is crucial for propylene production, but commercially employed Pt‐based catalysts face susceptibility to deactivation due to the Pt sintering during reaction and regeneration steps. Here, we report a SiO₂ supported nanometric (MnCoCuZnPt) high‐entropy PDH catalyst with high activity and stability. The catalyst exhibited a super high propane conversion of 56.6 % with 94...

article

Balancing the Kinetic and Thermodynamic Synergetic Effect of Doped Carbon Molecular Sieves for Selective Separation of C₂H₄/C₂H₆

Ru‐Shuai Liu, Miao Wang, Wen‐Cui Li, Xue‐Jie Zhang, more

Small > 20 > 38 > n/a - n/a

Selective separation of ethylene and ethane (C₂H₄/C₂H₆) is a formidable challenge due to their close molecular size and boiling point. Compared to industry‐used cryogenic distillation, adsorption separation would offer a more energy‐efficient solution when an efficient adsorbent is available. Herein, a class of C₂H₄/C₂H₆ separation adsorbents, doped carbon molecular sieves (d‐CMSs) is reported which...

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Selectively enriching accessible quantum sieving sites in two‐dimensional carbons for D₂/H₂ kinetic separation

Yong‐Sheng Wang, Tian‐Yi Li, Zhe Zheng, Miao Wang, more

AIChE Journal > 70 > 9 > n/a - n/a

Separation of hydrogen isotopes (D₂/H₂) attracts wide interest due to its important applications, such as nuclear fusion. Kinetic quantum sieving‐induced separation over tailored nanoporous solids is a promising method; however, the dynamic separation often shows a transient feature, thus a low D₂/H₂ selectivity even at temperature below 50 K. Herein, we selectively enriched the accessible quantum...

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Boundary‐Rich Carbon‐Based Electrocatalysts with Manganese(II)‐Coordinated Active Environment for Selective Synthesis of Hydrogen Peroxide

Ling‐Yu Dong, Jing‐Song Wang, Tian‐Yi Li, Tao Wu, more

Angewandte Chemie International Edition > 63 > 13 > n/a - n/a

Coordinated manganese (Mn) electrocatalysts owing to their electronic structure flexibility, non‐toxic and earth abundant features are promising for electrocatalytic reactions. However, achieving selective hydrogen peroxide (H₂O₂) production through two electron oxygen reduction (2e‐ORR) is a challenge on Mn‐centered catalysts. Targeting this goal, we report on the creation of a secondary Mn(II)‐coordinated...

article

Boundary‐Rich Carbon‐Based Electrocatalysts with Manganese(II)‐Coordinated Active Environment for Selective Synthesis of Hydrogen Peroxide

Ling‐Yu Dong, Jing‐Song Wang, Tian‐Yi Li, Tao Wu, more

Angewandte Chemie > 136 > 13 > n/a - n/a

Coordinated manganese (Mn) electrocatalysts owing to their electronic structure flexibility, non‐toxic and earth abundant features are promising for electrocatalytic reactions. However, achieving selective hydrogen peroxide (H₂O₂) production through two electron oxygen reduction (2e‐ORR) is a challenge on Mn‐centered catalysts. Targeting this goal, we report on the creation of a secondary Mn(II)‐coordinated...

article

Quasi‐Zero Volume Strain Cathode Materials for Sodium Ion Battery through Synergetic Substitution Effect of Li and Mg

Ming‐Yuan Shen, Jing‐Song Wang, Zhouhong Ren, Tao Wu, more

Advanced Functional Materials > 33 > 41 > n/a - n/a

P2‐type layered oxide material Na_2/3Ni_1/3Mn_2/3O₂ is a competitive candidate for sodium‐ion batteries (SIBs). Nevertheless, it suffers from the strong P2–O2 phase transition during charging to the high voltage regime, rendering drastic volume variations and poor cycling performance. Here, a Quasi‐zero strain P2‐Na_0.75Li_0.15Mg_0.05Ni_0.1Mn_0.7O₂ cathode is synthesized, which reflects the vanishing P2–O2...

article

Nanoengineered Design of inside‐Heating Hot Nanoreactor Surrounded by Cool Environment for Selective Hydrogenations

Rui‐Ping Zhang, Bowen He, Ren‐Peng Yang, Yu‐Xiang Zhang, more

Advanced Materials > 35 > 31 > n/a - n/a

Catalysts with designable intelligent nanostructure may potentially drive the changes in chemical reaction techniques. Herein, a multi‐function integrating nanocatalyst, Pt‐containing magnetic yolk‐shell carbonaceous structure, having catalysis function, microenvironment heating, thermal insulation, and elevated pressure into a whole is designed, which induces selective hydrogenation within heating‐constrained...

article

Boosting Selective Oxidation of Ethylene to Ethylene Glycol Assisted by In situ Generated H₂O₂ from O₂ Electroreduction

Ming‐Hao Guan, Ling‐Yu Dong, Tao Wu, Wen‐Cui Li, more

Angewandte Chemie International Edition > 62 > 19 > n/a - n/a

Ethylene glycol is a useful organic compound and chemical intermediate for manufacturing various commodity chemicals of industrial importance. Nevertheless, the production of ethylene glycol in a green and safe manner is still a long‐standing challenge. Here, we established an integrated, efficient pathway for oxidizing ethylene into ethylene glycol. Mesoporous carbon catalyst produces H₂O₂, and titanium...

article

Boosting Selective Oxidation of Ethylene to Ethylene Glycol Assisted by In situ Generated H₂O₂ from O₂ Electroreduction

Ming‐Hao Guan, Ling‐Yu Dong, Tao Wu, Wen‐Cui Li, more

Angewandte Chemie > 135 > 19 > n/a - n/a

Ethylene glycol is a useful organic compound and chemical intermediate for manufacturing various commodity chemicals of industrial importance. Nevertheless, the production of ethylene glycol in a green and safe manner is still a long‐standing challenge. Here, we established an integrated, efficient pathway for oxidizing ethylene into ethylene glycol. Mesoporous carbon catalyst produces H₂O₂, and titanium...

article

Targeted Synthesis of Anti‐Hydrolysis 2D‐ZIF Laminates with Super‐Hydrophobic Transport Channels via In Situ Phase Transition Strategy

Shuang Xu, Wen‐Cui Li, Chengtong Wang, Sijia Wang, more

Advanced Functional Materials > 32 > 21 > n/a - n/a

The design flexibility in the crystalline structure and surface wettability make the zeolitic imidazolate frameworks (ZIFs) an excellent platform for task‐specific applications. However, the key challenge lies in the precise modulation of transport channels, which still suffers from slow diffusion kinetics in nanopores and the loss of hydrophobicity during long‐term operation. Here, a facile structural...

article

Rational Design of a Trifunctional Binder for Hard Carbon Anodes Showing High Initial Coulombic Efficiency and Superior Rate Capability for Sodium‐Ion Batteries

Ji‐Li Xia, An‐Hui Lu, Xiao‐Fei Yu, Wen‐Cui Li

Advanced Functional Materials > 31 > 40 > n/a - n/a

Hard carbon (HC) has emerged as a promising anode material for sodium‐ion batteries (SIBs), whereas it suffers from low initial Coulombic efficiency (ICE) and poor rate capability. Binders endowed with high electron/ion transport and strong mechanical integrity are expected to boost the practical application of HC anodes, which cannot be realized via the functional design of commercially available...

article

Plasma Tuning Local Environment of Hexagonal Boron Nitride for Oxidative Dehydrogenation of Propane

Zhankai Liu, Bing Yan, Shengyan Meng, Rui Liu, more

Angewandte Chemie International Edition > 60 > 36 > 19691 - 19695

Hexagonal boron nitride (h‐BN) has lately received great attention in the oxidative dehydrogenation (ODH) reaction of propane to propylene for its extraordinary olefin selectivity in contrast to metal oxides. However, high crystallinity of commercial h‐BN and elusive cognition of active sites hindered the enhancement of utilization efficiency. Herein, four kinds of plasmas (N₂, O₂, H₂, Ar) were accordingly...

article

Plasma Tuning Local Environment of Hexagonal Boron Nitride for Oxidative Dehydrogenation of Propane

Zhankai Liu, Bing Yan, Shengyan Meng, Rui Liu, more

Angewandte Chemie > 133 > 36 > 19843 - 19847

Hexagonal boron nitride (h‐BN) has lately received great attention in the oxidative dehydrogenation (ODH) reaction of propane to propylene for its extraordinary olefin selectivity in contrast to metal oxides. However, high crystallinity of commercial h‐BN and elusive cognition of active sites hindered the enhancement of utilization efficiency. Herein, four kinds of plasmas (N₂, O₂, H₂, Ar) were accordingly...

article

Wiggling Mesopores Kinetically Amplify the Adsorptive Separation of Propylene/Propane

Ya‐Fei Yuan, Yong‐Sheng Wang, Xue‐Liang Zhang, Wen‐Cui Li, more

Angewandte Chemie International Edition > 60 > 35 > 19063 - 19067

Adsorptive separation is an appealing technology for propylene and propane separation; however, the challenge lies in the design of efficient adsorbents which can distinguish the two molecules having very similar properties. Here we report a kinetically amplified separation by creating wiggling mesopores in structurally robust carbon monoliths. The wiggling mesopores with alternating wide and narrow...

article

Wiggling Mesopores Kinetically Amplify the Adsorptive Separation of Propylene/Propane

Ya‐Fei Yuan, Yong‐Sheng Wang, Xue‐Liang Zhang, Wen‐Cui Li, more

Angewandte Chemie > 133 > 35 > 19211 - 19215

Adsorptive separation is an appealing technology for propylene and propane separation; however, the challenge lies in the design of efficient adsorbents which can distinguish the two molecules having very similar properties. Here we report a kinetically amplified separation by creating wiggling mesopores in structurally robust carbon monoliths. The wiggling mesopores with alternating wide and narrow...

article

A Highly Selective Metal‐Free Boron‐Based Catalyst for Oxidative Dehydrogenation of Ethylbenzene

Yue‐Ran Wang, Jian Sheng, Wen‐Duo Lu, Bing Yan, more

Chinese Journal of Chemistry > 39 > 9 > 2563 - 2569

Oxidative dehydrogenation of ethylbenzene is considered as an alternative route to styrene because of its exothermic and irreversible reaction nature, but encounters low styrene selectivity due to the deep‐oxidation over metal oxide‐based catalysts. Herein, we reported that a metal‐free boron‐based catalyst consisting of boron phosphate and boron nitride (BPO₄/BN) exhibited high activity and selectivity...

article

Self‐Pillared Ultramicroporous Carbon Nanoplates for Selective Separation of CH₄/N₂

Shuang Xu, Wen‐Cui Li, Cheng‐Tong Wang, Lei Tang, more

Angewandte Chemie > 133 > 12 > 6409 - 6413

There is growing evidence that pillaring up a densely packed ultramicroporous two‐dimensional (2D) structure is an effective strategy to reduce their internal diffusion. Reliable pillaring paradigms, however, is rather challenging. Here we report a one‐pot multi‐component sequential assembly method for the preparation of a new self‐pillared 2D polymer and ultramicroporous carbon with integrated surface...

article

Self‐Pillared Ultramicroporous Carbon Nanoplates for Selective Separation of CH₄/N₂

Shuang Xu, Wen‐Cui Li, Cheng‐Tong Wang, Lei Tang, more

Angewandte Chemie International Edition > 60 > 12 > 6339 - 6343

There is growing evidence that pillaring up a densely packed ultramicroporous two‐dimensional (2D) structure is an effective strategy to reduce their internal diffusion. Reliable pillaring paradigms, however, is rather challenging. Here we report a one‐pot multi‐component sequential assembly method for the preparation of a new self‐pillared 2D polymer and ultramicroporous carbon with integrated surface...

article

Hard Carbon Nanosheets with Uniform Ultramicropores and Accessible Functional Groups Showing High Realistic Capacity and Superior Rate Performance for Sodium‐Ion Storage

Ji‐Li Xia, Dong Yan, Li‐Ping Guo, Xiao‐Ling Dong, more

Advanced Materials > 32 > 21 > n/a - n/a

Hard carbon attracts considerable attention as an anode material for sodium‐ion batteries; however, their poor rate capability and low realistic capacity have motivated intense research effort toward exploiting nanostructured carbons in order to boost their comprehensive performance. Ultramicropores are considered essential for attaining high‐rate capacity as well as initial Coulombic efficiency by...

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Search results for: An-Hui Lu

An Active and Regenerable Nanometric High‐Entropy Catalyst for Efficient Propane Dehydrogenation

An Active and Regenerable Nanometric High‐Entropy Catalyst for Efficient Propane Dehydrogenation

Balancing the Kinetic and Thermodynamic Synergetic Effect of Doped Carbon Molecular Sieves for Selective Separation of C₂H₄/C₂H₆

Selectively enriching accessible quantum sieving sites in two‐dimensional carbons for D₂/H₂ kinetic separation

Boundary‐Rich Carbon‐Based Electrocatalysts with Manganese(II)‐Coordinated Active Environment for Selective Synthesis of Hydrogen Peroxide

Boundary‐Rich Carbon‐Based Electrocatalysts with Manganese(II)‐Coordinated Active Environment for Selective Synthesis of Hydrogen Peroxide

Quasi‐Zero Volume Strain Cathode Materials for Sodium Ion Battery through Synergetic Substitution Effect of Li and Mg

Nanoengineered Design of inside‐Heating Hot Nanoreactor Surrounded by Cool Environment for Selective Hydrogenations

Boosting Selective Oxidation of Ethylene to Ethylene Glycol Assisted by In situ Generated H₂O₂ from O₂ Electroreduction

Boosting Selective Oxidation of Ethylene to Ethylene Glycol Assisted by In situ Generated H₂O₂ from O₂ Electroreduction

Targeted Synthesis of Anti‐Hydrolysis 2D‐ZIF Laminates with Super‐Hydrophobic Transport Channels via In Situ Phase Transition Strategy

Rational Design of a Trifunctional Binder for Hard Carbon Anodes Showing High Initial Coulombic Efficiency and Superior Rate Capability for Sodium‐Ion Batteries

Plasma Tuning Local Environment of Hexagonal Boron Nitride for Oxidative Dehydrogenation of Propane

Plasma Tuning Local Environment of Hexagonal Boron Nitride for Oxidative Dehydrogenation of Propane

Wiggling Mesopores Kinetically Amplify the Adsorptive Separation of Propylene/Propane

Wiggling Mesopores Kinetically Amplify the Adsorptive Separation of Propylene/Propane

A Highly Selective Metal‐Free Boron‐Based Catalyst for Oxidative Dehydrogenation of Ethylbenzene

Self‐Pillared Ultramicroporous Carbon Nanoplates for Selective Separation of CH₄/N₂

Self‐Pillared Ultramicroporous Carbon Nanoplates for Selective Separation of CH₄/N₂

Hard Carbon Nanosheets with Uniform Ultramicropores and Accessible Functional Groups Showing High Realistic Capacity and Superior Rate Performance for Sodium‐Ion Storage

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