Article
Chemistry, Physical
Yihang Hu, Tianyang Shen, Ziheng Song, Zhaohui Wu, Sha Bai, Guihao Liu, Xiaoliang Sun, Yuying Wang, Siyu Hu, Lirong Zheng, Yu-Fei Song
Summary: In this study, a new catalyst NiIrSAA-NiFe-LDH and IrSAC-NiFe-LDH were developed for overall water splitting. NiIrSAA-NiFe-LDH exhibited an overpotential of 28.5 mV in the HER, while IrSAC-NiFe-LDH had an overpotential of 194 mV in the OER. The electrolyzer assembled with these catalysts showed a low cell voltage of 1.49 V at 10 mA cm-2 and long-term stability of over 120 h at 200 mA cm-2.
Article
Chemistry, Physical
Mengmeng Jin, Jiewei Li, Jingchang Gao, Weilan Liu, Jing Han, Haimin Liu, Da Zhan, Linfei Lai
Summary: In this study, the oxygen evolution reaction (OER) activity of cobalt hydroxide carbonate (CCH) was enhanced by atomic doping of W6+ (W-CCH), reducing the overpotential and increasing the current density. Additionally, the electrolyzer based on 5%W-CCH only required a potential of 1.65 V to achieve 10 mA cm(-2) in full water splitting.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Junqin Duan, Kailu Guo, Hua Li, Jian Li, Yong Peng, Haiyan Ma, Cailing Xu
Summary: The core-shell heterostructure between ultrasmall ceria nanoparticles and Co3O4 nanowires (CeOx@Co3O4) was successfully constructed via rapid electrodeposition. The CeOx@Co3O4 heterostructure showed a strong enhancement of electrocatalytic activity for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) with low overpotential and small Tafel slopes. The electrolyzer based on CeOx@Co3O4 heterostructure exhibited a low cell voltage and excellent stability. This work provides valuable insights for the preparation of cost-effective and highly active bifunctional electrocatalysts.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Daofu Wu, Cheng Wang, Benjun Huo, Ke Hu, Xinchun Mao, Zhigang Geng, Qiang Huang, Wenxia Zhang, Jie Zeng, Xiaosheng Tang
Summary: High-quality Cs2PdBr6 microcrystals and nanocrystals were synthesized using a facile antisolvent method. Among them, Cs2PdBr6 nanocrystals synthesized at 50 degrees C showed the highest effectiveness in converting CO2 to CO under visible light illumination and exhibited significant electrocatalytic activity and stability in CO2 reduction reaction.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Review
Chemistry, Inorganic & Nuclear
Zhenxing Li, Mingliang Hu, Ping Wang, Jiahao Liu, Jiasai Yao, Chenyu Li
Summary: The article summarizes the design strategies and synthesis methods of various heterojunction catalysts, as well as their applications in the water splitting process. By briefly discussing the current progress in electrocatalytic water splitting, it provides a prospect for the future of heterojunction catalysts in this field.
COORDINATION CHEMISTRY REVIEWS
(2021)
Review
Chemistry, Physical
Han Wu, Qiaoxian Huang, Yuanyuan Shi, Jiangwei Chang, Siyu Lu
Summary: Hydrogen energy plays a significant role in decarbonizing and building a sustainable carbon-neutral economy. However, the industrialization of electrocatalytic water splitting faces various challenges. This review provides an overview of the latest progress in water electrolysis, presenting a mechanistic understanding of hydrogen and oxygen evolution reactions. It also highlights promising strategies for designing and synthesizing efficient electrocatalysts. This review aims to guide fundamental science and inspire technical engineering developments for water splitting.
Review
Chemistry, Applied
Chengying Guo, Yanmei Shi, Siyu Lu, Yifu Yu, Bin Zhang
Summary: This review summarizes the recent progress in amorphous electrocatalysts for water splitting, including synthesis strategies, characterization tools, the origin of enhanced activity and stability, as well as current challenges and opportunities in this research area.
CHINESE JOURNAL OF CATALYSIS
(2021)
Article
Materials Science, Multidisciplinary
Yuanzhi Luo, Pan Wang, Sisi Wu, Gaixia Zhang, Shuhui Sun, Hariprasad Ranganathan, Zhicong Shi
Summary: In this study, efficient, low-cost, and stable non-noble metal electrocatalysts for water splitting were synthesized through heterostructure engineering, metal doping, and a 3D nanoarray structure. The synthesized Mn-doped Ni2O3/Ni2P and Mn-doped NixSy/Ni2P exhibit excellent properties for hydrogen and oxygen evolution reactions, respectively, with high overall-water-splitting activity and outstanding durability.
SCIENCE CHINA-MATERIALS
(2022)
Article
Chemistry, Physical
Suci Meng, Shichao Sun, Yu Liu, Yikai Lu, Min Chen
Summary: In this study, a novel Cr/N co-doped Fe3O4 electrocatalyst was designed and prepared, which showed significant catalytic activity for water splitting. The Cr-Fe3O4-N/NF catalyst exhibited low overpotentials for oxygen and hydrogen evolution reactions. The water splitting system using Cr-Fe3O4-N/NF achieved high current density, surpassing other commonly used electrocatalysts. The superior catalytic performance can be attributed to the synergistic effect of Cr and N element doping.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Review
Chemistry, Inorganic & Nuclear
Lan Sun, Qiaomei Luo, Zhengfei Dai, Fei Ma
Summary: Water electrolysis is crucial for hydrogen generation, requiring efficient electrocatalysts; Recent advancements include strategies like nanoarchitecturing and heteroatomic doping to enhance electrocatalyst performance; Challenges and opportunities lie ahead for improving water splitting performance.
COORDINATION CHEMISTRY REVIEWS
(2021)
Article
Chemistry, Multidisciplinary
Shayan Karak, Kalipada Koner, Arun Karmakar, Shibani Mohata, Yusuke Nishiyama, Nghia Tuan Duong, Neethu Thomas, Thalasseril Govindankuttykaimal Ajithkumar, Munshi Sahid Hossain, Subhajit Bandyopadhyay, Subrata Kundu, Rahul Banerjee
Summary: A unique strategy is reported to design robust imidazole-linked porous organic polymers (POPs) with hollow-spherical morphologies by tandem reversible/irreversible bond formation. Solid-state NMR analysis reveals the high purity and bonding of the newly designed imidazole-based POPs. The nitrogen-rich polymeric nanostructures show excellent catalytic activity and long-term stability for the oxygen evolution reaction (OER).
ADVANCED MATERIALS
(2023)
Review
Chemistry, Physical
Xin Yang, Ruike Guo, Rui Cai, Yuejun Ouyang, Pingping Yang, Jiafu Xiao
Summary: This article provides an overview of the progress achieved in the synthesis of noble metal-free high-entropy materials and the catalytic mechanisms for water splitting. Various synthesis strategies for highly efficient and noble-metal-free high-entropy catalysts are systematically reviewed. The distinctive advantages of high-entropy materials for electrochemical water splitting are demonstrated, and representative examples of electrocatalytic reactions based on noble-metal-free high-entropy catalysts are discussed.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Review
Multidisciplinary Sciences
Huanyu Jin, Jun Xu, Hao Liu, Haifeng Shen, Huimin Yu, Mietek Jaroniec, Yao Zheng, Shi-Zhang Qiao
Summary: This review systematically examines recent advances in electrocatalytic seawater splitting and evaluates the obstacles to optimizing water supply, materials, and devices for stable hydrogen production from seawater. The study demonstrates that robust materials and innovative technologies, especially selective catalysts and high-performance devices, are critical for efficient seawater electrolysis. Furthermore, the review outlines and discusses future directions that could advance the techno-economic feasibility of this emerging field, providing a roadmap toward the design and commercialization of materials that can enable efficient, cost-effective, and sustainable seawater electrolysis.
Article
Chemistry, Physical
Yan Liu, Xin Yang, Ruike Guo, Zufu Yao
Summary: Metal-organic frameworks (MOFs) are emerging as promising candidates for boosting electrochemical water splitting due to their tunable compositions and high surface areas. This review presents the pivotal progresses in engineering advanced MOFs for electrochemical water splitting, highlighting the advantages and disadvantages of MOFs, effective modifications strategies, and future directions for more efficient MOF-based electrocatalysts.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Review
Chemistry, Applied
Yuannan Wang, Lina Wang, Kexin Zhang, Jingyao Xu, Qiannan Wu, Zhoubing Xie, Wei An, Xiao Liang, Xiaoxin Zou
Summary: This review summarizes recent advances in perovskite oxides for water-splitting electrocatalysis, including their developmental history, compositional and structural diversities, structure-performance correlations, activity descriptors, catalytic mechanisms, and structural evolutions. The importance of in situ characterization techniques for monitoring dynamic structural information and identifying important active species is emphasized. Finally, the opportunities and challenges of perovskite oxides for practical applications in water electrolysis are outlined.
CHINESE JOURNAL OF CATALYSIS
(2023)
Article
Chemistry, Physical
Bolun Yu, Denan Li, Qianqian Zhu, Shufan Yao, Lifeng Zhang, Yanshuo Li, Zhenxin Zhang
Summary: This study successfully improved the catalytic activity of a zeolitic octahedral metal oxide by incorporating a single zinc species into its micropore. The zinc incorporation achieved a high ethane conversion rate and ethylene selectivity. Mechanism study showed that the isolated zinc site played a crucial role in activating oxygen and ethane, as well as stabilizing intermediates and transition states.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
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
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
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
Li Lv, Lin Lei, Qi-Wen Chen, Cheng-Li Yin, Huiqing Fan, Jian-Ping Zhou
Summary: Monoclinic phase La2Ti2O7 and orthorhombic phase Bi4Ti3O12 are widely used in photocatalysis due to their layered crystal structure. The electronic structures of these phases play a crucial role in their photocatalytic activity. Heat treatment in a nitrogen atmosphere introduces more oxygen vacancies into the S-scheme heterojunction, leading to enhanced NO removal efficiency.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Choe Earn Choong, Minhee Kim, Jun Sup Lim, Young June Hong, Geon Joon Lee, Keun Hwa Chae, In Wook Nah, Yeomin Yoon, Eun Ha Choi, Min Jang
Summary: In this study, the synergistic effect between argon-plasma-system (AP) and catalysts in promoting the production of reactive species for water remediation was investigated. By altering the oxygen vacancies concentration of CeO2/Bi2O3 catalyst, the production of hydrated electrons was stimulated for PFOA removal. The results showed that the built-in electric field in the Bi/Ce0.43 interface enhanced electron migration and eaq- generation, leading to improved PFOA removal efficiency.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
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
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
Shuai Feng, Donglian Li, Hao Dong, Song Xie, Yaping Miao, Xuming Zhang, Biao Gao, Paul K. Chu, Xiang Peng
Summary: In this study, MoO2/Mo2N heterostructures were prepared by regulating the coordination of Mo atoms. The electrocatalyst exhibits high current density and excellent stability for hydrogen evolution reaction.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Jia-Cheng E. Yang, Min -Ping Zhu, Daqin Guan, Baoling Yuan, Darren Delai Sun, Chenghua Sun, Ming-Lai Fu
Summary: This study successfully modulated the electron configuration and spin state of millimetric metal catalysts by adjusting the support curvature radius. The electronic structure-oriented spin catalysis was found to affect the degradation of pollutants, providing new insights for the design and production of highly active, reusable, and stable catalysts.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Tao Zhong, Su Tang, Wenbin Huang, Wei Liu, Huinan Zhao, Lingling Hu, Shuanghong Tian, Chun He
Summary: In this study, a highly efficient photocatalyst for the elimination of CH3SH was developed by engineering different crystal facets and coupling them with PHI. Cu (111)/PHI exhibited the highest elimination efficiency and showed good stability and reusability. The enhanced surface electron pump effect and effective adsorption mechanisms were revealed through comprehensive characterizations and DFT calculations.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Feifei Yang, Tianyu Zhang, Jiankang Zhao, Wei Zhou, Nicole J. Libretto, Jeffrey T. Miller
Summary: A Ni3Sn intermetallic nano particle was found to have geometrically isolated Ni sites that could selectively cleave C-O bonds in biomass derivatives. This nano particle showed high activity and selectivity towards 2-methylfuran, unlike Ni nanoparticles that produced other unwanted products derived from the aromatic rings.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Lulu Qiao, Di Liu, Anquan Zhu, Jinxian Feng, Pengfei Zhou, Chunfa Liu, Kar Wei Ng, Hui Pan
Summary: This study reveals that surface evolution plays a crucial role in enhancing the electrocatalytic performance of transition metal oxides for electrochemical nitrate reduction reaction (e-NO3RR). Incorporating nickel into Co3O4 can promote surface reconstruction and improve the adsorption of intermediates and reduce energy barriers, leading to enhanced catalytic performance. The reconstructed cobalt-nickel hydroxides (CoyNi1_y(OH)2) on the catalyst's surface serve as the active phase.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Xinyu Song, Yang Shi, Zelin Wu, Bingkun Huang, Xinhao Wang, Heng Zhang, Peng Zhou, Wen Liu, Zhicheng Pan, Zhaokun Xiong, Bo Lai
Summary: This study explores the discriminative activities and mechanisms for activation of O-O bond in peroxy compounds via single-atom catalysts (SACs) with higher coordination numbers (M-N5). The atomic catalyst (Fe-SAC) with Fe-N5 as the active center was constructed, effectively activating peroxymonosulfate (PMS), peroxydisulfate (PDS), and hydrogen peroxide (H2O2). The study demonstrates the degradation efficiencies of acyclovir are related to the O-O bond length in different peroxy compounds, and reveals the discriminative mechanisms for activation of O-O bond in different Fenton-like systems.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Yangzhuo He, Hong Qin, Ziwei Wang, Han Wang, Yuan Zhu, Chengyun Zhou, Ying Zeng, Yicheng Li, Piao Xu, Guangming Zeng
Summary: A dual-metal-organic framework (MOF) assisted strategy was proposed to construct a magnetic Fe-Mn oxycarbide anchored on N-doped carbon for peroxymonosulfate (PMS) activation. The FeMn@NC-800 catalyst exhibited superior activity with almost 100% degradation of sulfamethazine (SMZ) in 30 minutes. The study provided insights for the rational design of high-performance heterogeneous catalysts and proposed a novel nonradical-based catalytic oxidation for environmental cleaning.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)