Chemistry, Physical

Article Chemistry, Physical

Unveiling the synergistic effect between the metallic phase and bridging S species over MoS2 for highly efficient nitrogen fixation

Ruoqi Liu, Hao Fei, Jian Wang, Ting Guo, Fangyang Liu, Zhuangzhi Wu, Dezhi Wang

Summary: This work successfully synthesized a high-performing S-enriched MoS2 catalyst for electrocatalytic nitrogen reduction reaction (NRR), demonstrating high activity and selectivity. The synergistic effect of the 1T phase and bridging S22- species was shown to play a positive role in NRR performances, and DFT calculations revealed the mechanism behind the improved performance.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Polymethylhydrosiloxane-modified gas-diffusion cathode for more efficient and durable H2O2 electrosynthesis in the context of water treatment

Pan Xia, Lele Zhao, Xi Chen, Zhihong Ye, Zhihong Zheng, Qiang He, Ignasi Sires

Summary: This study presents a modified gas-diffusion electrode (GDE) for highly efficient and stable H2O2 electrosynthesis by using trace polymethylhydrosiloxane (PMHS). DFT calculations provide an in-depth understanding of the roles of PMHS functional groups.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Boron-doped rGO electrocatalyst for high effective generation of hydrogen peroxide: Mechanism and effect of oxygen-enriched air

Kwangchol Ri, Songsik Pak, Dunyu Sun, Qiang Zhong, Shaogui Yang, Songil Sin, Leliang Wu, Yue Sun, Hui Cao, Chunxiao Han, Chenmin Xu, Yazi Liu, Huan He, Shiyin Li, Cheng Sun

Summary: Different B-doped rGO catalysts were synthesized and their 2e- oxygen reduction reaction (ORR) performance was investigated. It was found that the 2e- ORR selectivity of B-doped rGO was influenced by the B content and oxygen mass transfer conditions. The synthesized catalyst exhibited high 2e- ORR selectivity and was capable of degrading organic pollutants continuously.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Ru clusters anchored on N-doped porous carbon-alumina matrix as efficient catalyst toward primary amines via reductive amination

Yushan Wu, Di Xu, Yanfei Xu, Xin Tian, Mingyue Ding

Summary: Efficient synthesis of primary amines from carbonyl compounds was achieved via reductive amination using Ru@NC-Al2O3 as a catalyst, exhibiting high activity and selectivity under mild conditions.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Efficient 1O2 production from H2O2 over lattice distortion controlled spinel ferrites

Yilan Jiang, Peifang Wang, Tingyue Chen, Keyi Gao, Yiran Xiong, Yin Lu, Dionysios D. Dionysiou, Dawei Wang

Summary: By controlling the content of Co and Ni in Co1-xNixFe2O4, the production of O-1(2) from H2O2 can be regulated. NiFe2O4, with the lowest lattice distortion degree, can efficiently produce O-1(2) as the dominant reactive oxygen species. The system also exhibits significant resistance to water matrix interference.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Nanozyme-enhanced glucose/O2 bio-photoelectrochemical system: Taking the challenge of earth diurnal variation

Shuai Hao, He Zhang, Xiaoxuan Sun, Jinxing Chen, Junfeng Zhai, Shaojun Dong

Summary: An ingenious bio-photoelectrochemical system has been developed to enhance glucose metabolism for high-efficiency biofuels utilization. By utilizing light illumination and gold nanoparticles catalytic effect, this system provides a new pathway for renewable energy exploration and expands the application of nanozymes in extensive research fields.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Unveiling enhanced dark photocatalysis: Electron storage-enabled hydrogen production in polymeric carbon nitride

Laiyu Luo, Siyu Wang, Liping Zhang, Xudong Xiao, Baogang Wu, Mietek Jaroniec, Baojiang Jiang

Summary: Researchers have replicated light-driven reactions of natural photosynthesis on semiconductors, but their dependence on light limits their practical applications. In this study, a novel artificial photocatalytic system was developed to decouple light and dark hydrogen production reactions, achieving high efficiency hydrogen production.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Engineering bifunctional Pd/CeNbTiOx catalyst for the simultaneous removal of NO and CO under oxygen-rich conditions at low temperature

Guodong Zhang, Xiaosheng Huang, Weiliang Han, Zhicheng Tang

Summary: The simultaneous elimination of CO and NO was achieved using CeNbTiOx catalyst and 0.3% Pd/CeNbTiOx catalyst, showing high removal efficiency and stability within the temperature range of 240-320 degrees C.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Synergistic reduction of U(VI) and selective oxidation of benzyl alcohol to prepare benzaldehyde via WOx/g-C3N4

Feng He, Qianxiang Xiao, Yin Chen, Hongqing Wang, Xiangke Wang

Summary: In this study, an oxygen-deficient catalyst was developed for the simultaneous photoreduction of U(VI) and selective oxidation of benzyl alcohol to prepare benzaldehyde without the need for protective gases and sacrificial agents. The catalyst exhibited excellent performance in U(VI) removal and benzyl alcohol conversion, with high selectivity.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Promoting effect of oxygen vacancies in Co/CoAl2O4 catalyst steered with a straightforward method on hydrogenation of furfural to 2-methylfuran

Yongwang Li, Qi Shen, Yao Nian, Fumin Wang, Xubin Zhang, Zhengliang Zhang, Changhao Bing, Xiaolu Fan, Rosine Ahishakiye

Summary: By manipulating oxygen vacancies, a series of Co-Al spinel catalysts were rapidly prepared using low-temperature solution combustion synthesis for the hydrogenation of furfural to 2-methylfuran. The screened catalyst exhibited a yield of over 97% at 150°C for 5 hours, rivaling the state-of-the-art catalysts. This study provides a versatile methodology for the efficient and low-temperature preparation of spinel and the construction of defect engineering on catalysts, enlightening the design of phenomenal catalysts.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Sub-nanometric Pt clusters supported Co aerogel electrocatalyst with hierarchical micro/nano-porous structure for hydrogen evolution reaction

Tiantian Wang, Dan Zhang, Jiawei Fei, Wenhao Yu, Jiawei Zhu, Yanyun Zhang, Yue Shi, Minge Tian, Jianping Lai, Lei Wang

Summary: In this study, we report a hierarchical micro/nano-porous structure of sub-nanometric Pt clusters supported Co aerogel catalyst, which demonstrates excellent catalytic performance and stability in PEM electrolysis with the industrially required current density.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Interaction of metal ions in high efficiency seawater hydrogen peroxide production by a carbon-based photocatalyst

Jiacheng Li, Hong Shi, Zenan Li, Jiaxuan Wang, Honglin Si, Fan Liao, Hui Huang, Yang Liu, Zhenhui Kang

Summary: Photocatalytic seawater splitting is a promising method for producing hydrogen peroxide. The presence of metal ions strongly affects the photocatalytic activity of a carbon-based composite photocatalyst, with magnesium ions having the highest impact. By adjusting the concentration of multiple ions, the yield of hydrogen peroxide is significantly improved. This research achieved remarkable results in a real seawater system.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Imparting selective polysulfide conversion via geminal-atom moieties in lithium-sulfur batteries

Yifan Ding, Tianran Yan, Jianghua Wu, Meng Tian, Miaoyu Lu, Conglei Xu, Jiaxi Gu, Haorui Zhao, Yifei Wang, Xiaoqing Pan, Shi Xue Dou, Liang Zhang, Jingyu Sun

Summary: Electrocatalysis plays a crucial role in lithium-sulfur chemistry for high-performance batteries. This study successfully fabricates dispersed FeCo geminal-atom moieties on N-doped carbon support, which enhances the conversion kinetics of polysulfides. The rational design of the electrocatalytic mediator leads to excellent capacity retention and cycling stability for Li-S batteries.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Photothermal synergistic effect of Ti3C2Tx/ZnIn2S4 Schottky junction for efficient inactivation of antibiotic-resistant bacteria and genes: Mechanism discussion and practical application

Mingmei Li, Kaida Zhang, Pengfei Wang, Zhiruo Zhou, Fei Li, Sihui Zhan, Yi Li

Summary: By designing a Ti3C2Tx/ZnIn2S4 Schottky junction with photothermal effect, the pollution of antibiotic-resistant bacteria and antibiotic-resistant genes can be effectively mitigated. The Schottky barrier inhibits electron backflow and enhances the photodynamic properties of Ti3C2Tx/ZIS. The localized surface plasmon resonance induced photothermal heating effect further enhances ROS production. The Ti3C2Tx/ZIS can completely inactivate antibiotic-resistant bacteria and degrade antibiotic-resistant genes under visible-near infrared light irradiation. Continuous operation in a flow-through reactor demonstrates the potential of Ti3C2Tx/ZIS for practical wastewater treatment.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Bifunctional catalyst with high efficiency for converting hydrocarbons: The enhanced diffusion between micro and meso-pores

Zhengkai Cao, Sijia Ding, Rong Guo, Zhentao Chen, Jiahuan Yu, Ziming Wu, Daowei Gao, Aijun Duan, Hanbang Liu, Xia Zhang

Summary: This study investigated the influences of distance and catalyst diffusivities on hydrocracking behaviors. The results showed that the diffusivities of catalysts with both Y zeolite and Al2O3 were significantly improved, with the NiW/Y-A catalyst exhibiting the best diffusivity. The properties of active metals and acidity played a crucial role in the catalyst's adsorption ability. Additionally, a closer distance between the hydrogenation and cracking centers led to higher selectivity, liquid yield, and stability of catalysts. These findings provide a potential new method for designing catalysts with high activities and selectivities.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Remarkably boosting ethanol upgrading to higher alcohols through cooperative catalysis of surface-interface multiple-active sites on nitrogen-doped carbon decorated copper-based catalysts

Liyuan Yuan, Ming Zhang, Guoli Fan, Feng Li

Summary: Upgrading biomass-derived ethanol to higher alcohols is a promising process. The use of supported copper catalysts decorated with surface trace-level nitrogen-doped carbon has shown unprecedentedly high conversion rates and selectivity towards higher alcohols. The cooperative catalysis of multiple surface-interface active sites plays a crucial role in enhancing the catalytic efficiency.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

D-band center modulation of B-mediated FeS2 to activate molecular nitrogen for electrocatalytic ammonia synthesis

Hang Xiao, Mengyang Xia, Ben Chong, He Li, Bo Lin, Guidong Yang

Summary: This study develops a nonmetal boron mediated FeS2 material for electrocatalytic nitrogen fixation and enhances the ammonia synthesis performance by tuning the d-band center of the catalyst.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Hollow penetration electrode of Bi with dislocated lattice enabling ampere-level reduction of CO2 exclusively to formate

Aohui Chen, Chang Zhu, Jianing Mao, Shoujie Li, Gangfeng Wu, Yiheng Wei, Xiaohu Liu, Xiao Dong, Yanfang Song, Guihua Li, Yuhan Sun, Wei Wei, Wei Chen

Summary: The electroreduction of CO2 to valuable chemicals using renewable energy is a promising strategy for achieving carbon neutrality, but it remains challenging under high industry current densities. In this work, a lattice-dislocated hollow-fiber Bi electrode was developed to address this issue. The electrode showed a nearly perfect formate Faradaic efficiency at a current density of 1 A cm(-2), effectively suppressing CO and hydrogen generation. The results suggest that the lattice-dislocated Bi hollow electrode, which induces penetration and strain effects, plays a crucial role in promoting CO2 conversion.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Self-floating g-C3N4/h-BN/Au photo-thermal catalysts with unprecedented thermostability at solar-activated heating condition for reusable degradation of organic pollutants

Chang Wang, Shihao Zhou, Qingqiang Cui, Mengya Zhang, Linqi Zheng, Shuang Li, Xiangdong Liu, Ming Chen

Summary: This study develops a high-temperature-resistant and efficient photo-thermal catalyst for the degradation of organic dyes. The catalyst exhibits excellent degradation rate under solar-activated heating conditions, and it also demonstrates remarkable thermal recyclability. By immobilizing the nano-catalyst in specific materials, it can be conveniently applied for practical wastewater purification.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)

Article Chemistry, Physical

Synchronous generation of H2O2 and high effective removal of inorganic arsenic/organoarsenic by visible light-driven cell

Yan Sun, Lei Zhang

Summary: A Janus photocathode with asymmetric wettability was successfully fabricated, which showed higher H2O2 production and stable photoelectrochemical performance compared to hydrophilic and hydrophobic electrodes.

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY (2024)