Article
Chemistry, Multidisciplinary
Hui Fu, Nan Zhang, Feili Lai, Longsheng Zhang, Zhenzhong Wu, Hanjun Li, Haiyan Zhu, Tianxi Liu
Summary: A novel B-doped Ni-based catalyst with surface strain modulation is reported for high selective and productive two-electron ORR to produce H2O2. The catalyst exhibits excellent activity, stability, and Faraday efficiency, providing a new direction for the design of highly active and stable catalysts.
Article
Chemistry, Physical
Chunyu Zhang, Guozhu Liu, Bo Ning, Shuairen Qian, Danning Zheng, Li Wang
Summary: By tuning the composition of nitrogen and oxygen functional groups in carbon materials, the performance of catalysts can be improved. The synthesized catalyst NOC-6M exhibited high selectivity and production rate of hydrogen peroxide.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Ziliang Chen, Jie Wu, Zhengran Chen, Hongyuan Yang, Kai Zou, Xiangyong Zhao, Ruihong Liang, Xianlin Dong, Prashanth W. Menezes, Zhenhui Kang
Summary: This study employs an entropy-enhancement strategy to enable low-cost perovskite oxide to effectively catalyze the electrosynthesis of H2O2. The optimized Pb(NiWMnNbZrTi)(1/6)O-3 ceramic exhibits commendable ORR activity in alkaline media, displaying high selectivity for H2O2 and exceptional degradation property for organic dyes through the Fenton process.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Review
Chemistry, Physical
Ying-Yun Yan, Wen-Jun Niu, Wei-Wei Zhao, Ru-Ji Li, Er-Peng Feng, Bing-Xin Yu, Bai-Kun Chu, Chen-Yu Cai
Summary: In this review, the latest progress, major achievements, and prospects of transition metal-supported carbon with different dimensions for highly efficient electrochemical H2O2 preparation via the 2e- ORR process are summarized. The rational design principles and synthetic strategies of transition metal-supported carbon catalysts are systematically introduced while the representative advances, the identification of active sites, and their possible catalytic mechanisms toward the highly efficient electrochemical H2O2 production are discussed, and the challenges and prospects are also summarized.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Chang Liu, Zixun Yu, Fangxin She, Jiaxiang Chen, Fangzhou Liu, Jiangtao Qu, Julie M. Cairney, Chongchong Wu, Kailong Liu, Weijie Yang, Huiling Zheng, Yuan Chen, Hao Li, Li Wei
Summary: By constructing heterogeneous molecular catalysts using cobalt porphyrins and carbon nanotubes, the catalytic properties and activity were successfully modulated, resulting in sustainable production of hydrogen peroxide with high selectivity and activity.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Mengjun Wang, Xu Dong, Zhaodong Meng, Zhiwei Hu, Yan-Gu Lin, Chun-Kuo Peng, Hongshuai Wang, Chih-Wen Pao, Songyuan Ding, Youyong Li, Qi Shao, Xiaoqing Huang
Summary: A new liquid-liquid interfacial synthesis method was developed for the efficient fabrication of two-dimensional Ni metal-organic framework nanosheets, allowing for the modulation of active sites and achieving optimal electrocatalytic performance.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Xuejuan Zou, Shuping He, Xi Kang, Shuang Chen, Haizhu Yu, Shan Jin, Didier Astruc, Manzhou Zhu
Summary: Two novel nanoclusters, M1Ag21 (M = Au/Ag), were synthesized and characterized using dppf as an activating ligand. These nanoclusters, supported on activated carbon, demonstrated efficient catalytic activity for the oxygen reduction reaction in alkaline solutions. The catalytic activities were attributed to the ensemble synergy effect between the M-13 kernel and dppf ligand in M1Ag21, as verified by density functional theory calculations.
Article
Chemistry, Physical
Qingjia Sun, Guanxing Xu, Bingyan Xiong, Lisong Chen, Jianlin Shi
Summary: Electrocatalytic 2e(-) oxygen reduction reaction (2e(-) ORR) is a promising method for H2O2 production in acidic media. In this study, a novel and high-performance 2e(-) ORR electrocatalyst, NiSe2, was developed and the influence of different anion species on the catalyst performance was investigated. The synthesized NiSe2 exhibited outstanding 2e(-) ORR performance and long-term durability.
Article
Engineering, Environmental
Zhimin Gao, Qiuzi Zhu, Yanyan Cao, Cunshi Wang, Luming Liu, Jianzhong Zhu
Summary: This work presents elementary knowledge and theory of electrochemical H2O2 synthesis as well as the design strategies of carbon-based single-atom catalysts (SACs) for selective 2e(-) oxygen reduction reaction (ORR) H2O2 generation. It comprehensively reviews the selection of central metal atoms, modulation of coordinated atoms, and modification of environmental atoms for H2O2 selectivity production. Perspectives on the opportunities and challenges for selective electrochemical H2O2 production by carbon-based SACs are also provided based on understanding recent advances.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Physical
Jiawei Du, Shuaihu Jiang, Ruya Zhang, Pai Wang, Chao Ma, Ruijuan Zhao, Chunhua Cui, Yanning Zhang, Yijin Kang
Summary: Electrochemical production of H2O2 via 2e- ORR using Pd with Cu electrodeposition as model material shows promising potential in terms of safety, efficiency, and decentralization. The introduction of Cu promotes the production of H2O2 by stabilizing Pd-O and improving 2e- ORR activity according to spectroscopic analysis and computation. PdCu nanowire synthesis demonstrates high selectivity and production rate towards H2O2.
Article
Chemistry, Physical
Wenbo Sui, Wangzu Li, Zhongshuo Zhang, Weixing Wu, Zhanyou Xu, Ying Wang
Summary: By employing a double catalyst layer strategy and gradient Nafion distribution, we have improved the mass transport balance of oxygen and protons and achieved long-term stability in the electrochemical synthesis of hydrogen peroxide. Our design enables high production rate, selectivity, and stable electrolysis performance, showing potential for practical utilization.
JOURNAL OF POWER SOURCES
(2023)
Review
Chemistry, Multidisciplinary
Yichan Wen, Ting Zhang, Jianying Wang, Zhelun Pan, Tianfu Wang, Hiromi Yamashita, Xufang Qian, Yixin Zhao
Summary: In this Mini review, the development of devices for H2O2 electrosynthesis is summarized. The traditional anthraquinone process does not meet the requirements of sustainable and low-carbon development, while the electrocatalytic oxygen reduction reaction offers a more economical, low-carbon, and greener route for H2O2 production. However, continuous and decentralized H2O2 electrosynthesis still faces many challenges.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Nanoscience & Nanotechnology
Baokai Xia, Qi Huang, Haiming Wang, Licheng Yu, Shan Ding, Lili Jiang, Ming Li, Jingjing Duan, Sheng Chen
Summary: In this study, a tandem-parallel oxygen electroreduction system was designed to improve the Faradaic efficiency through the tandem unit and reduce the internal resistance through the parallel section. The system achieved the highest H2O2 yield rate (592 mg h(-1)) with the lowest electric energy consumption (2.41 kWh kg(-1)) reported so far. Moreover, the system demonstrated promising stability and was able to degrade rhodamine B pollutant in-situ.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Green & Sustainable Science & Technology
Longgang Chu, Long Cang, Zhaoyue Sun, Xinghao Wang, Guodong Fang, Juan Gao
Summary: This study presents the construction of a superhydrophobic air breathing cathode that enhances H2O2 production efficiency. The cathode maintains stable three phase interfaces in the electrolyte and efficiently utilizes oxygen through natural air diffusion. The flow cell designed with this cathode can produce high concentrations of H2O2 in a short time, with low energy consumption and cost. This device shows promise for the in-situ production and utilization of H2O2 in the treatment of organic polluted water and soil.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Chemistry, Physical
Chunyu Zhang, Guozhu Liu, Quanfu Long, Chan Wu, Li Wang
Summary: This study demonstrates the promising performance of oxygen-doped porous carbon materials for the electrochemical two-electron oxygen reduction reaction (2e(-) ORR). The authors prepared oxygen-functionalized porous carbon materials using different methods and investigated their activity and selectivity in the reaction. The catalyst modified with hydrogen peroxide solution hydrothermal treatment showed the highest catalytic activity and selectivity, as well as good stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Review
Chemistry, Physical
Wenxian Liu, Jinxiu Feng, Tianran Wei, Qian Liu, Shusheng Zhang, Yang Luo, Jun Luo, Xijun Liu
Summary: Aqueous rechargeable Zn-gas batteries are considered promising energy storage and conversion devices due to their safety and environmental friendliness. However, their energy efficiency and power density are limited by slow cathode reactions. This review introduces battery configurations and fundamental reactions, summarizes recent advances in active site engineering and cathode material regulation strategies, and provides personal perspectives on the future development of Zn-gas batteries.
Article
Chemistry, Multidisciplinary
Mingsheng Yang, Qian Zhao, Huige Ma, Rui Li, Yan Wang, Rongkun Zhou, Jieyuan Liu, Xinyu Wang, Yuxin Hao, Jiayi Ren, Zilong Zheng, Naibo Zhang, Mingjun Hu, Jun Luo, Jun Yang
Summary: Due to the small size and high mobility of protons in water, aqueous proton batteries are considered as attractive candidates for high-power and ultralow-temperature energy storage devices. In this study, a new C4N polymer with uniform micropores and large specific surface area is prepared and used as the electrode for proton batteries. Multi-walled carbon nanotubes (MWCNT) are introduced to enhance porosity and conductivity, leading to better performance at both room and low temperatures. The battery shows unprecedented cycle stability and capacity retention, and a novel anti-freezing electrolyte is developed to improve ionic conductivity at low temperatures. The study aims to provide a comprehensive solution for constructing high-performance ultralow-temperature aqueous proton batteries.
Article
Chemistry, Multidisciplinary
Mengmeng Jin, Shuai Liu, Ge Meng, Shusheng Zhang, Qian Liu, Jun Luo, Xijun Liu
Summary: The study presents the design of a highly selective and stable Mo clusters catalyst for direct H2O2 electrosynthesis through a 2e(-) pathway. The catalyst shows high H2O2 selectivity, excellent catalytic activity and stability. This research provides new insights into the development of catalysts for 2e(-) ORR to H2O2 powered by renewable energy.
ADVANCED MATERIALS INTERFACES
(2023)
Review
Chemistry, Multidisciplinary
Xianghua Hou, Junyang Ding, Wenxian Liu, Shusheng Zhang, Jun Luo, Xijun Liu
Summary: Single-atom catalysts (SACs) are widely used in renewable energy storage and conversion systems. Various supports, such as organic, metal, and carbonaceous matrices, have been developed to stabilize single-atom catalytic sites. The coordination structure of metal species greatly affects the electrocatalytic capabilities of metal atom active centers, especially in asymmetric atom electrocatalysts that exhibit unique properties and different CO2 reduction reaction (CO2RR) performance. This review summarizes the recent development of asymmetric atom sites for CO2RR and emphasizes the strategies for regulating coordination structure and its effect on CO2RR performance. It also proposes scientific possibilities to further advance asymmetric atom electrocatalysts for CO2RR.
Article
Materials Science, Multidisciplinary
Sanshuang Gao, Tianwei Wang, Mengmeng Jin, Shusheng Zhang, Qian Liu, Guangzhi Hu, Hui Yang, Jun Luo, Xijun Liu
Summary: In this study, a bifunctional catalyst for CO2RR and ORR reactions in aqueous Zn-air batteries (ZAB) was developed. The catalyst, consisting of atomically dispersed niobium anchored onto N-doped ordered mesoporous carbon (Nb-N-C), exhibited high activity for CO2RR, ORR, and ZAB, thanks to the high Nb atom-utilization efficiency and ordered mesoporous structure. Furthermore, the self-powered CO2 electrolysis system showed promising performance with continuous CO2 conversion.
SCIENCE CHINA-MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Haipeng Wang, Fei Zhang, Mengmeng Jin, Donglin Zhao, Xiaoya Fan, Zerong Li, Yongsong Luo, Dongdong Zheng, Tingshuai Li, Yan Wang, Binwu Ying, Shengjun Sun, Qian Liu, Xijun Liu, Xuping Sun
Summary: A highly efficient electrocatalyst for NO2 reduction to NH3 was reported in this study, which consisted of V-doped TiO2 nanobelt array on a titanium plate. Both experimental results and theoretical calculations revealed that V doping enhanced the electrical conductivity of the nanobelt and optimized the free energy of the TiO2 specialIntscript crystal plane in the potential determining step, resulting in a positive effect on the electrochemical NO2 reduction to NH3. The designed V-TiO2/TP exhibited outstanding electrochemical NO2 reduction performance with a high NH3 yield of 540.8 μmol h-1 cm-2 at -0.7 V and an excellent Faradaic efficiency of 93.2% at -0.6 V versus reversible hydrogen electrode, surpassing TiO2/TP.
MATERIALS TODAY PHYSICS
(2023)
Review
Energy & Fuels
Junyang Ding, Wenxian Liu, Shusheng Zhang, Jun Luo, Xijun Liu
Summary: Energy is the foundation of human society. Single-atom catalysts (SACs) have shown great potential as electrode materials in the energy field due to their unique characteristics. This review focuses on the recent progress in asymmetric atomic catalysts for the hydrogen evolution reaction (HER), including low coordination, heteroatomic coordination, and bimetallic coordination. The connection between coordination structures and electrocatalytic performance is discussed, and the challenges and insights for the development of high-quality asymmetric atomic catalysts are summarized.
Article
Chemistry, Inorganic & Nuclear
Junyang Ding, Xianghua Hou, Yuan Qiu, Shusheng Zhang, Qian Liu, Jun Luo, Xijun Liu
Summary: In this study, Fe-doped MoS2 nanosheets grown on carbon cloth were developed as an efficient catalyst for the reduction of NO3- to NH3 in an aqueous electrolyte, achieving a maximal Faradaic efficiency of 90% and a peak yield rate of 9.75 mg h-1 cm-2 for NH3 production. The catalyst exhibited good stability and was used in a Zn-nitrate battery, achieving a peak power density of 3.56 mW cm-2. These results highlight the potential of MoS2 for electrolytic production of valuable chemicals.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Weiqing Zhang, Xuhui Qin, Tianran Wei, Qian Liu, Jun Luo, Xijun Liu
Summary: A high-performance catalyst made of single atomic Ce sites anchored on nitrogen-doped hollow carbon spheres has been developed. It can efficiently electrocatalyze the reduction of NO to NH3 in an acidic solution, achieving a maximal Faradaic efficiency of 91% and a yield rate of 1023 lg h-1 mgcat.-1. The catalyst outperforms Ce nanoclusters and shows good structural and electrochemical stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Nanoscience & Nanotechnology
Busheng Zhang, Jingru Liu, Qiuquan Guo, Dongxing Zhang, Jun Luo, Huihui Zhu, Xianglin Zhou, Jian Lu, Jun Yang
Summary: A 3-axis room-temperature impact with intermediate annealing treatment can significantly increase the strength of bulk 316L stainless steel without causing fracturing. The impacts from multiple directions result in the smallest nanograins and a high volume of thin twins, while inhibiting the formation of martensite phase. The annealing treatment induces element segregation and recovers the capability of the steel in storing dislocations, leading to excellent ductility and low hardness anisotropy.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2023)
Article
Engineering, Chemical
Shangcong Zhang, Qian Liu, Xinyue Tang, Zhiming Zhou, Tieyan Fan, Yingmin You, Qingcheng Zhang, Shusheng Zhang, Jun Luo, Xijun Liu
Summary: This study demonstrates that phosphorus-doped titania nanotubes can serve as a highly efficient catalyst for nitric oxide reduction reaction (NORR) in ionic liquid-based electrolyte. The catalyst exhibits impressive performance with a high Faradaic efficiency of 89% and NH3 yield rate of 425 μg·m^-1·mg(cat.)^-1, which is close to the best-reported results. It highlights the advantage of catalyst-electrolyte engineering strategy for high-efficiency and high-rate NH3 production.
FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING
(2023)
Article
Materials Science, Multidisciplinary
Quan Zhang, Kang Lian, Gaocan Qi, Shusheng Zhang, Qian Liu, Yang Luo, Jun Luo, Xijun Liu
Summary: As a clean energy carrier, hydrogen energy has become an integral part of the global clean energy strategy and a necessary pathway towards achieving global carbon neutrality. Water electrolysis, driven by renewable electricity, holds promise as a long-term hydrogen production method that can achieve net zero carbon emissions. High-entropy alloys (HEAs) offer numerous catalytic active sites due to their unique structural features, making them ideal candidates for hydrolysis catalysts. This review summarizes the mechanisms of water electrolysis, catalytic principles of HEAs in hydrolysis processes, and the latest research progress of HEAs as water electrolysis catalysts. It also provides insights into the challenges and potential of novel HEA design approaches in this field, focusing on the relationship between surface morphology and catalytic activity. The compositions and potential applications of HEAs in water electrolysis and other emerging fields are outlined.
SCIENCE CHINA-MATERIALS
(2023)
Article
Chemistry, Physical
Zhifeng Wang, Yajing Yan, Yongguang Zhang, Yanxu Chen, Xianyun Peng, Xin Wang, Weimin Zhao, Chunling Qin, Qian Liu, Xijun Liu, Zhongwei Chen
Summary: Designed using density functional theory calculations, single-atomic Co-B2N2 site-imbedded boron and nitrogen co-doped carbon nanotubes (SA-Co/BNC) were able to achieve high sulfur loading, fast kinetic, and long service period Li-S batteries. Experimental results showed that Co-B2N2 atomic sites effectively catalyze the conversion of lithium polysulfide. As a result, the electrodes delivered a specific capacity of 1106 mAh g(-1) at 0.2 C after 100 cycles and exhibited an outstanding cycle performance over 1000 cycles at 1 C with a decay rate of 0.032% per cycle. This study offers a new strategy for achieving high-performance Li-S batteries through the combination of nanocarriers and single-atomic catalysts in novel coordination environments.
Article
Chemistry, Physical
Quan Zhang, Kang Lian, Qian Liu, Gaocan Qi, Shusheng Zhang, Jun Luo, Xijun Liu
Summary: High entropy alloys (HEAs), consisting of five or more elements, have unique structural characteristics that endow them with promising applications in hydrolysis catalysts. In this study, FeNiCoMnRu@CNT HEAs were successfully loaded onto carbon nanotubes using hydrothermal means. The HEAs exhibited excellent HER and OER properties in alkaline seawater, and showed a steady current density of 10 mA cm(-2) during constant electrolysis for over 30 hours. These findings suggest the potentially broad application prospect of HEAs for Zn air battery.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)