Article
Materials Science, Multidisciplinary
Daohao Li, Xiaojing Long, Yaqian Wu, Huijie Hou, Xueyao Wang, Jun Ren, Lijie Zhang, Dongjiang Yang, Yanzhi Xia
Summary: This study developed meso-microporous carbon fibers with tunable defect density and found that they exhibited outstanding ORR catalytic activity, which can serve as highly efficient catalysts for ZABs and MFCs.
ADVANCED FIBER MATERIALS
(2022)
Review
Chemistry, Physical
Minghe Luo, Wenping Sun, Ben Bin Xu, Hongge Pan, Yinzhu Jiang
Summary: This review emphasizes the importance of heterostructured air electrocatalysts developed through interface engineering in enhancing oxygen electrocatalysis performance, and highlights the potential relationship between interface chemistry and oxygen electrocatalysis kinetics.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Chang-Xin Zhao, Jia-Ning Liu, Juan Wang, Ding Ren, Jia Yu, Xiao Chen, Bo-Quan Li, Qiang Zhang
Summary: In this study, a noble-metal-free bifunctional electrocatalyst CoNC@LDH was fabricated, exhibiting outstanding performance in rechargeable zinc-air batteries. The catalyst showed remarkable bifunctional activity surpassing the traditional noble-metal-based benchmarks. Additionally, the catalyst achieved long lifespan and excellent cycling performance in the batteries.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zhijun Li, Siqi Ji, Chang Xu, Leipeng Leng, Hongxue Liu, J. Hugh Horton, Lei Du, Jincheng Gao, Cheng He, Xiaoying Qi, Qian Xu, Junfa Zhu
Summary: Researchers have developed a new catalyst consisting of atomically dispersed iron atoms supported on a mesoporous nitrogen-doped carbon material. This catalyst exhibits remarkable activity for both oxygen reduction and evolution reactions in a wide pH range. The zinc-air battery assembled with this catalyst outperforms the traditional Pt/C+RuO2 counterpart in terms of power density, capacity, and cycling stability. These findings highlight the importance of electronic structure engineering of metal sites in catalytic activity.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Qinglin Han, Ximeng Zhao, Yuhong Luo, Lanlan Wu, Shujuan Sun, Jingde Li, Yanji Wang, Guihua Liu, Zhongwei Chen
Summary: This study introduces an efficient ORR catalyst design strategy, combining binary Fe/Co nanoclusters with conductive metal oxide support to achieve high-performance and stable catalytic activity. The research results demonstrate that with the design of 3D ordered macroporous structure, 3DOM Fe/Co@NC-WO2-x exhibits higher ORR activity compared to Pt/C.
Article
Chemistry, Multidisciplinary
Lei Wan, Ziang Xu, Qingbin Cao, Yiwen Liao, Baoguo Wang, Kai Liu
Summary: The study proposes an air-breathing strategy to improve the energy conversion efficiency and durability of zinc-air batteries (ZABs) by significantly enlarging triple-interfaces. By dipcoating the aerophilic perfluorochemical compounds (PFC) and amphiphilic ionomers into the self-supported electrodes, the study demonstrates high power density and long-cycling durability for the ZABs.
Article
Engineering, Environmental
Peng Rao, Yalin Liu, Ya-Qiong Su, Mingjun Zhong, Kun Zhang, Junming Luo, Jing Li, Chunman Jia, Yijun Shen, Chong Shen, Xinlong Tian
Summary: This study developed a unique 3D core-shell nanostructure bifunctional oxygen catalyst with excellent electrocatalytic performance and stability, showing promising applications in metal-air batteries.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Sangwoo Kim, Ji-Won Jung, DongHoon Song, Su-Ho Cho, Jiyeon Kim, Jun Kyu Kim, DongHwan Oh, Hainan Sun, EunAe Cho, Il-Doo Kim, WooChul Jung
Summary: The lack of bifunctional features of perovskite oxide for oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) limits its use as a cathode catalyst for rechargeable Zn-air batteries (ZABs). In this study, cobalt-based nanoparticle decorated Sr0.95Nb0.1Co0.7Fe0.2O3-delta (S0.95NCF) is presented as a novel air-electrode catalyst, achieving significantly enhanced activity for OER and ORR. The newly designed catalyst also exhibits remarkable charge/discharge durability, making it a promising candidate for ZABs cathode.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Review
Materials Science, Multidisciplinary
A. K. Worku, D. W. Ayele, N. G. Habtu
Summary: This paper focuses on the importance of engineering efficient oxygen electrocatalysts for electrically rechargeable zinc-air batteries to drive oxygen electrochemical reactions, while summarizing the current technical challenges and future developments.
MATERIALS TODAY ADVANCES
(2021)
Article
Nanoscience & Nanotechnology
Yuyang Wang, Yaping Gao, Lixia Ma, Yanzhong Xue, Zong-Huai Liu, Huali Cui, Nan Zhang, Ruibin Jiang
Summary: In this study, Fe-N4-C and NiFe-LDH clusters were successfully integrated into a NiFe-LDH/Fe,N-CB electrocatalyst. The electrocatalyst showed excellent bifunctional activity for the oxygen reduction reaction and the oxygen evolution reaction, making it suitable for large-scale commercialization of rechargeable Zn-air batteries.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Panpan Chu, Yingmeng Zhang, Jiajie He, Jinhong Chen, Jingjun Zhuang, Yongliang Li, Xiangzhong Ren, Peixin Zhang, Lingna Sun, Bingzhe Yu, Shaowei Chen
Summary: By depositing a layer of iron oxide on zinc-mediated zeolitic imidazolate frameworks and controlled pyrolysis, a nanocomposite with enhanced electrocatalytic performance for oxygen reduction reaction has been successfully prepared.
Article
Chemistry, Multidisciplinary
Kun Wang, Zhenjiang Lu, Jing Lei, Zhaoyang Liu, Yizhao Li, Yali Cao
Summary: A versatile molten salt-assisted pyrolysis strategy was developed to construct ultrathin, porous carbon nanosheets supported Co single-atom catalysts (SACs). The SACs exhibited excellent bifunctional activity and stability and outperformed commercial catalysts in metal-air batteries.
Article
Chemistry, Multidisciplinary
Hongjiao Huang, Aoming Huang, Di Liu, Wentao Han, Chun-Han Kuo, Han-Yi Chen, Linlin Li, Hui Pan, Shengjie Peng
Summary: In this study, oxygen vacancy-rich porous perovskite oxide (CaMnO3) nanofibers coated with reduced graphene oxide (rGO) were developed as the air electrode catalyst for low-temperature and knittable Zn-air batteries. The V-CMO/rGO exhibited top-level oxygen reduction reaction (ORR) activity among perovskite oxides and showed impressive kinetics under low temperature. The V-CMO/rGO demonstrated high peak power density of 56 mW cm(-2) and long cycle life of over 80 h at a low temperature of -40°C.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Mei Wang, Yi Long, Huifang Zhao, Wenjuan Zhang, Liyong Wang, Ruifeng Dong, Hua Hou, Huiqi Wang, Xiaoguang Wang
Summary: A scalable dealloying strategy was proposed to fabricate highly efficient Al-NiCo2O4 catalyst, which exhibited excellent catalytic activities for oxygen reduction and evolution reactions. It showed promising performance as a cathode catalyst in rechargeable zinc-air batteries, with high capacity, competitive power density, and long cycling stability.
Article
Environmental Sciences
Pengxiang Zhang, Kang Sun, Yanyan Liu, Benji Zhou, Shuqi Li, Jingjing Zhou, Ao Wang, Lixia Xie, Baojun Li, Jianchun Jiang
Summary: This research creatively assembled two-dimensional nickel-iron hydroxide nanosheets on wood-derived biochar, creating a highly active and stable cathode catalyst. The resulting NiFe-LDH@NC exhibited excellent discharge performance and cycling stability in zinc-air batteries, showing promising potential for various applications.
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)