Article
Chemistry, Applied
Yan Xu, Wei Liu, Bo Peng, Zhaopeng Liu, Zhenhua Li, Yujun Zhao
Summary: In this study, ZrO2-modified MoO3/CeO2 catalysts were prepared and applied in the sulfur-resistant methanation reaction. MoO3/Ce0.8Zr0.2O2 exhibited the best catalytic performance due to the well dispersed MoS2 and surface Ce3+ species, which are key active sites in the reaction. The concurrent occurrence of CO hydrogenation and water-gas shift reaction is also essential for achieving higher catalytic performance.
TOPICS IN CATALYSIS
(2021)
Article
Engineering, Environmental
Yan Resing Dias, Oscar W. Perez-Lopez
Summary: Mitigating CO2 emissions has become an important issue nowadays, and converting CO2 to CH4 as a natural gas substitute and H2 storage source is an interesting alternative. In this study, Ni/SiO2 catalysts promoted by Fe, Co and Zn were prepared and showed improved performance in CO2 conversion to methane, with Ni-Co/SiO2 achieving the best results in terms of CO2 conversion and CH4 selectivity.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Ziyi Zhang, Yunhao Zang, Feng Gao, Jiangying Qu, Jianfeng Gu, Xuetan Lin
Summary: A sulfur-containing zirconia supported nickel catalyst was prepared to convert CO2 to CO efficiently and stably. By adjusting the support size, the catalyst showed improved activity and achieved high CO2 conversion with selective production of CO.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Physical
Jie Ren, Feng Zeng, Chalachew Mebrahtu, Regina Palkovits
Summary: This study investigates the effect of impurities on the activity of Ni/ZrO2 in CO2 methanation. It reveals that reducible ZrO2 promotes the formation of oxygen vacancies, enhancing CO2 adsorption and hydrogenation into methane. Interestingly, trace O-2 enhances CO2 methanation by generating more *OH groups, facilitating the conversion of intermediates to methane.
JOURNAL OF CATALYSIS
(2022)
Article
Chemistry, Physical
Patryk Blaszczak, Marcin Zajac, Agata Ducka, Krzysztof Matlak, Barbara Wolanin, Sea-Fue Wang, Anna Mandziak, Beata Bochentyn, Piotr Jasinski
Summary: In this study, a series of SOECs modified with a small amount of Co ions were used to investigate the synergy between transition metals for enhancing electrochemical and chemical activity. The addition of Co significantly increased the concentration of CH4 and improved the electrochemical efficiency of water and CO2 co-electrolysis. The characterization analysis revealed the mechanism of synergy between Ni and Co host metals and identified the causes of increased activity. Additionally, a novel discovery was made regarding the catalytic performance of NiCo2O4 spinel structure.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Review
Chemistry, Applied
Jie Ren, Hao Lou, Nuo Xu, Feng Zeng, Gang Pei, Zhandong Wang
Summary: Power-to-methane (P2M) processes convert renewable energy into H2 and then into other valuable chemicals using active catalysts, making them an effective solution for energy storage. However, the fluctuating electricity from intermittent renewable energy requires robust heterogeneous catalysts to handle the changing reactant composition. This review aims to classify CO/CO2 methanation fundamentals and status, identify the pathways with different catalysts, and discuss the challenges and future prospects of CO2 or CO methanation. Additionally, the advantages and ongoing industrialization projects of P2M are summarized.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Review
Chemistry, Physical
A. H. Hatta, A. A. Jalil, N. S. Hassan, M. Y. S. Hamid, A. F. A. Rahman, L. P. Teh, D. Prasetyoko
Summary: This paper provides a detailed overview of bimetallic catalysts for CO methanation, including the synthesis method and its effect on physicochemical characteristics. The bimetallic catalyst can enhance reaction effectiveness by adjusting the interaction between metal-support and metal-metal, and it also improves particle size and dispersion. The paper also presents the mechanism of CO methanation over the bimetallic catalyst.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Applied
Jie Ren, Feng Zeng, Chalachew Mebrahtu, Zhandong Wang, Regina Palkovits
Summary: The promotional effect of Fe and Ru on the CO2 methanation mechanism in Ni/ZrO2 catalysts was investigated, and it was found that adding Ru can enhance the activity and stability of the catalyst, whereas Fe cannot achieve the same effect.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Article
Energy & Fuels
Alekhya Kunamalla, Sunil K. Maity
Summary: This study focuses on the production of green jet fuel from biomass-derived furanic compounds through catalytic reactions. The use of MoO3-promoted ZrO2 catalyst in the hydroxyalkylation-alkylation reaction showed the best catalytic performance. Additionally, the hydrodeoxygenation of the biofuel precursor was examined to understand the reaction mechanism and identify optimum conditions.
Article
Chemistry, Physical
Jin Li, Qing Guo, Yu Zhao, Shaozhong Li
Summary: CO selective methanation is important for proton exchange membrane fuel cell, but CO2 methanation consumes a lot of hydrogen and reduces energy efficiency. Phosphate-modified mesostructured Al2O3-ZrO2 as Ni support was studied for CO methanation. Phosphate modification inhibited CO2 adsorption and increased CO methanation selectivity, but excessive modification weakened active sites and decreased methanation activity.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Hanh My Bui, Paula F. Grossmann, Tabea Gros, Merle Blum, Anne Berger, Richard Fischer, Normen Szesni, Markus Tonigold, Olaf Hinrichsen
Summary: This study successfully fabricated spherical Ni-Al CO2 methanation catalysts using the Binder Jetting 3D printing technique, with phase composition and reducibility characteristics similar to conventionally prepared catalysts. Catalysts with different nickel loadings were prepared by adjusting the Ni/Al ratio and the amount of admixed precursor powder. TEM analysis showed small nickel particle sizes and high Ni dispersion. Additionally, meso- and macroporous catalyst pellets with a high specific surface area were generated. Testing in a single pellet string reactor demonstrated high CO2 conversions and selectivity towards CH4.
APPLIED CATALYSIS A-GENERAL
(2022)
Article
Green & Sustainable Science & Technology
Ainara Ateka, Ander Portillo, Miguel Sanchez-Contador, Javier Bilbao, Andres T. Aguayo
Summary: An original kinetic model was used to study the performance of a bifunctional catalyst in DME synthesis from CO/CO2 hydrogenation. The model considers different reactions occurring in different parts of the catalyst particle and predicts DME yields and CO2 conversion under various reaction conditions.
Article
Chemistry, Multidisciplinary
Keqiang Xu, Jinhan Li, Fangming Liu, Xijie Chen, Tete Zhao, Fangyi Cheng
Summary: This study presents a new strategy to enhance carbon utilization and selectivity of CO2 methanation under acidic conditions by using crown ether decoration on Cu catalysts. Experimental results demonstrate that crown ether modification enhances the interfacial electric field, stabilizes reaction intermediates, and accelerates water dissociation, resulting in high methane production efficiency.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Qing Guo, Shaozhong Li, Jin Li, Yongke Hu, Yanxing Li
Summary: CO selective methanation is a reliable and efficient method for deep CO removal from H-2-rich reformate gases in proton exchange membrane fuel cell (PEMFC). The addition of SiO2 into Ni-ZrO2 catalysts increased the specific surface areas and dispersion of metallic Ni, leading to higher CO adsorption quantity and improved conversion at low temperature. SiO2 also weakened the surface basicity of the catalyst, decreasing CO2 adsorption strength and quantity, which inhibited CO2 methanation and resulted in higher selectivity for CO methanation.
Article
Chemistry, Multidisciplinary
Jiajie Wang, Mohammad S. AlQahtani, Xiaoxing Wang, Sean D. Knecht, Sven G. Bilen, Chunshan Song, Wei Chu
Summary: In this study, a one-step plasma-enabled catalytic process for CO2 hydrogenation to C-2(+) hydrocarbons operated at low temperature and atmospheric pressure was reported. By changing the catalyst-bed configuration within the plasma discharge zone, more C-2(+) hydrocarbons can be selectively produced. High C-2(+) hydrocarbons selectivity of 46% at ca. 74% CO2 conversion was achieved when operated at the furnace temperature of 25 degrees C and 10 W DBD plasma.
Article
Nanoscience & Nanotechnology
Hui Wang, Hongyuan Chuai, Xiaoyi Chen, Jianlong Lin, Sheng Zhang, Xinbin Ma
Summary: In this study, large-scale self-supported porous carbon nanofiber electrodes decorated with atomically dispersed nickel active sites were synthesized using a facile electrospinning method. The self-supported carbon nanofibers achieved a CO Faraday efficiency of 94.3% and a current density of 170 mA/cm2 as a gas diffusion electrode, attributed to the rich mesoporous structures for CO2 adsorption and mass transfer, as well as the effective conversion of CO2 to CO by single nickel catalysts. This work provides an efficient strategy for fabricating self-supported electrodes and may accelerate the industrial applications of single-atom catalysts in CO2 electroreduction field.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Jinquan Chang, Max J. Hulsey, Sikai Wang, Maoshuai Li, Xinbin Ma, Ning Yan
Summary: Researchers report a new electrothermal water-gas shift (WGS) process that combines the thermal oxidation of CO and electrocatalytic H2 evolution to obtain high-purity H2 streams. By using a silicomolybdic acid-supported Pd single-atom catalyst and phosphomolybdic acid as a redox mediator, the two half-reactions are coupled to achieve stable H2 production with a purity consistently exceeding 99.99%.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Engineering, Environmental
Qiao Zhao, Xiaoxue Han, Haoting Liang, Yue Wang, Jing Lv, Mei-Yan Wang, Shouying Huang, Xinbin Ma
Summary: Both appropriate support and promoter decoration are important for improving the performance of Fe-based catalysts in Fischer-Tropsch Synthesis (FTS). This study utilized KOH chemical activation to modify N-doped carbon nanosheets supported Fe catalysts, achieving simultaneous support modification and promoter introduction. The effects of KOH activation on pore structure, N configuration, and residual K were investigated. The results showed that KOH activation enriched micro-porosity, improved Fe dispersion, and regulated N configuration. The combination of pyrrolic N sites and suitable K residuals contributed to electron donation, promoting Fe carburi-zation and increasing C2-C4= productivity. This finding provides an activation method for preparing N-doped carbon supported metal catalysts.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Green & Sustainable Science & Technology
Xiao Wang, Lin Guo, Jing Lv, Maoshuai Li, Shouying Huang, Yue Wang, Xinbin Ma
Summary: China's increasing bioethanol production capacity makes the conversion of ethanol-to-jet fuel (ETJ) promising. This study used process simulation to model two novel ETJ processes combining corn cob gasification, syngas-to-ethanol, and ethanol-to-jet fuel. Life cycle assessment (LCA) was performed to evaluate energy consumption and greenhouse gas emissions of ETJs in China. The results showed that the ETJ pathway with corn cob gasification plus fermentation had the lowest energy consumption and GHG emissions, with 370.05 KJ/MJ jet fuel and 31.66 gCO2eq/MJ jet fuel, respectively. Given the scarcity of life cycle assessments for ETJs in China, this study can assist policymakers in determining the path for China's sustainable aviation fuel (SAF) development.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Engineering, Chemical
Yutong Pan, Xiaoyu Han, Xiao Chang, Heng Zhang, Xiaohui Zi, Ziwen Hao, Jiyi Chen, Ziji Lin, Maoshuai Li, Xinbin Ma
Summary: Nickel-based catalysts are the most promising selection for CO2 methanation. This study develops ceria-supported bimetallic Ni-Ru catalysts that exhibit high efficiency for low-temperature methanation. The addition of a small amount of Ru to Ni enables intermetallic interaction, enhancing the catalytic capacity for hydrogen activation and CO adsorption, and resulting in a significant increase in the reaction rate for CO2 methanation.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Chemistry, Physical
Minglu Li, Siyu Kuang, Hai Liu, Qun Fan, Sheng Zhang, Xinbin Ma
Summary: This study investigates the stability of Cu catalysts in a CO2RR environment and proposes a strategy to improve their stability by depositing a porous carbon overlay. Results show that hydroxides in electrolytes play a key role in the morphology evolution of Cu catalysts and decrease the Faradaic efficiencies of C2+ products. The added carbon overlay effectively resists the influence of hydroxide corrosion on Cu catalysts and maintains the morphology and Faradaic efficiencies.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Chemistry, Physical
Xiaoxue Han, Jing Lv, Shouying Huang, Qiao Zhao, Yue Wang, Zhenhua Li, Xinbin Ma
Summary: The conversion of syngas to liquid fuels and chemicals using Fischer-Tropsch synthesis is a promising alternative route. In this study, carbon-encapsulated nanoparticles were synthesized to control particle size and improve catalytic activity. The catalytic performance of these nanoparticles (Fe@C) was found to be superior to conventional carbon-supported nanoparticles (Fe/C). By tuning the particle size, a peak in iron time yield was obtained, suggesting that particle size plays a significant role in catalytic performance. This study provides insights into the size effect on Fe-based catalytic Fischer-Tropsch synthesis.
Article
Multidisciplinary Sciences
Dawei Yao, Yue Wang, Ying Li, Antai Li, Ziheng Zhen, Jing Lv, Fanfei Sun, Ruoou Yang, Jun Luo, Zheng Jiang, Yong Wang, Xinbin Ma
Summary: The authors present a facile method for scalable synthesis of stable supported Cu cluster catalysts by atomic diffusion of Cu from supported Cu nanoparticles to CeO2 at a low temperature. The resulting Cu clusters exhibit high yield of intermediate product in consecutive hydrogenation reactions due to their balanced adsorption and dissociation abilities. This scalable synthesis strategy brings stable Cu cluster catalysts closer to practical semi-hydrogenation applications.
NATURE COMMUNICATIONS
(2023)
Review
Energy & Fuels
Jing Gong, Shixin Hou, Yue Wang, Xinbin Ma
Summary: The dehydrogenation of cyclohexanol to cyclohexanone is an important step in the production of nylon fibers, and copper-based catalysts have shown exceptional low-temperature catalytic performance in this process. This paper reviews the research advances in active species, reaction mechanisms, factors affecting product selectivity, and deactivation behaviors of copper-based catalysts. It also provides a brief introduction to new processes and catalysts that break thermodynamic equilibrium via reaction coupling. These reviews can guide further investigations into catalysts and processes for cyclohexanol dehydrogenation.
TRANSACTIONS OF TIANJIN UNIVERSITY
(2023)
Review
Energy & Fuels
He Yao, Mei-Yan Wang, Chengguang Yue, Bangman Feng, Wenhao Ji, Chunbo Qian, Shengping Wang, Sheng Zhang, Xinbin Ma
Summary: Electrocarboxylation of CO2 with organic substrates is a promising method for sustainable synthesis of carboxylic acids. The reaction performance and product distribution depend on the cathodic behavior and reaction mechanisms. This study reviews recent advancements in electrocarboxylation and discusses different cathodic reaction pathways to provide references for novel methodologies.
TRANSACTIONS OF TIANJIN UNIVERSITY
(2023)
Article
Engineering, Chemical
Xiaofei Wang, Xiaoxue Han, Li Kang, Shixiang Feng, Meiyan Wang, Yue Wang, Shouying Huang, Yujun Zhao, Shengping Wang, Xinbin Ma
Summary: By synthesizing a series of novel Cu-based catalysts and studying the modification effect of alkali metals, it was found that the electron density of Cu sites can be significantly enhanced by the alkali metal modification, which affected the selectivity of deoxygenation and hydrogenation reactions and promoted the selectivity of benzene.
GREEN CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Physical
Surani Bin Dolmanan, Annette Boehme, Ziting Fan, Alex J. King, Aidan Q. Fenwick, Albertus Denny Handoko, Wan Ru Leow, Adam Z. Weber, Xinbin Ma, Edwin Khoo, Harry A. Atwater, Yanwei Lum
Summary: Gas diffusion layers (GDL) are crucial in electrochemical CO2 reduction (CO2R) systems to achieve high current densities. It is commonly believed that the choice of catalyst and electrolyte is more important than GDL in determining product selectivity. However, our study shows that adjusting GDL pore size can significantly impact catalytic outcomes by controlling the local microenvironment of the catalyst. Experimental and simulation results demonstrate that smaller pore sizes promote the generation of formate instead of CO due to the influence of pore size on CO2 mass transport and local pH at the electrode. This highlights the importance of the local microenvironment as a tunable parameter for controlling product selectivity in the design of CO2R systems.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Xiaofei Wang, Shixiang Feng, Yue Wang, Yujun Zhao, Shouying Huang, Shengping Wang, Xinbin Ma
Summary: In this study, Mn-doped Cu/Al2O3 catalysts were synthesized for the liquid-phase hydrodeoxygenation (HDO) of lignin-derived anisole. Mn doping enhanced the selective deoxygenation of anisole to arenes and inhibited saturated hydrogenation on Cu/Al2O3. The modification of Cu particles with MnOx along with enhanced generation of oxygen vacancies (Ov) led to a controllable adsorption geometry of anisole, resulting in increased arenes selectivity.
GREEN ENERGY & ENVIRONMENT
(2023)
Article
Chemistry, Physical
Hai Liu, Boyang Li, Zhihui Liu, Zhanpeng Liang, Hongyuan Chuai, Hui Wang, Shi Nee Lou, Yaqiong Su, Sheng Zhang, Xinbin Ma
Summary: In this study, CeO2-SnO2 heterostructures were synthesized and exhibited a maximum formate partial current density of about 500 mA·cm-2, with an 87.1% faradaic efficiency and long-term stability in a flow cell. A dynamic CeO2-mediated Sn0/Snδ+ redox cycle mechanism was proposed based on experimental analysis. This work provides a general strategy for designing stable and efficient catalysts for practical CO2 electrolyzers.
Article
Chemistry, Physical
Hai Liu, Boyang Li, Zhihui Liu, Zhanpeng Liang, Hongyuan Chuai, Hui Wang, Shi Nee Lou, Yaqiong Su, Sheng Zhang, Xinbin Ma
Summary: Guided by density functional theory (DFT) calculations, we synthesized CeO2-SnO2 heterostructures by a facile electrospinning method, which exhibited high formate partial current density and long-term stability in a flow cell. By proposing a dynamic CeO2-mediated Sn0/Sn delta+ redox cycle mechanism, we provided a general strategy to design stable and efficient catalysts for practical CO2 electrolyzers.
Article
Chemistry, Applied
Maoyi Yi, Jie Li, Mengran Wang, Xinming Fan, Bo Hong, Zhian Zhang, Aonan Wang, Yanqing Lai
Summary: In this study, polyacrylic acid (PAA) was used as a binder for the cathode in all-solid-state batteries. Through H+/Li+ exchange reaction, a uniform PAA-Li coating layer was formed on the cathode surface, improving the stability of the cathodic interface and the crystal structure. The SC-NCM83-PAA cathode exhibited superior cycling performance compared to traditional PVDF binder.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Yonghan Zhou, Zhongfeng Ji, Wenrui Cai, Xuewei He, Ruiying Bao, Xuewei Fu, Wei Yang, Yu Wang
Summary: By learning from the pencil-writing process, a solid-ink rubbing technology (SIR-tech) has been invented to develop durable metallic coatings on diverse substrates. The composite metallic skin by SIR-tech outperforms pure liquid-metal coating and shows great potential for various applications.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Ruiqi Tian, Hehe Zhang, Zeyu Yuan, Yuehua Man, Jianlu Sun, Jianchun Bao, Ming-Sheng Wang, Xiaosi Zhou
Summary: In this study, polypyrrole-encapsulated Sb2WO6 microflowers were synthesized and demonstrated to exhibit excellent potassium storage properties and cycling stability. The improved performance of Sb2WO6@PPy was attributed to the unique microflower structure, enhanced electronic conductivity, and protective PPy coating.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Review
Chemistry, Applied
Longxing Wu, Zhiqiang Lyu, Zebo Huang, Chao Zhang, Changyin Wei
Summary: This paper presents a comprehensive survey on physics-based state of charge (SOC) algorithms applied in advanced battery management system (BMS). It discusses the research progresses of physical SOC estimation methods for lithium-ion batteries and presents future perspectives for this field.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Honggang Huang, Yao Chen, Hui Fu, Cun Chen, Hanjun Li, Zhe Zhang, Feili Lai, Shuxing Bai, Nan Zhang, Tianxi Liu
Summary: The d-d orbital coupling induced by crystal-phase engineering effectively adjusts the electronic structure of electrocatalysts, improving their activity and stability, which is significant for electrocatalyst research.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Quanzhen Sun, Yifan Li, Caixia Zhang, Shunli Du, Weihao Xie, Jionghua Wu, Qiao Zheng, Hui Deng, Shuying Cheng
Summary: In this study, indium (In) ions were introduced into flexible Cu2ZnSn(S,Se)(4) (CZTSSe) solar cells to modify the back interface and passivate deep level defects in CZTSSe bulk. The results showed that In doping effectively inhibited the formation of secondary phase and V-Sn defects, decreased the barrier height at the back interface, passivated deep level defects in CZTSSe bulk, increased carrier concentration, and significantly reduced the V-OC deficit. Eventually, a flexible CZTSSe solar cell with a power conversion efficiency of 10.01% was achieved. This synergistic strategy of interface modification and bulk defects passivation through In incorporation provides a new approach for fabricating efficient flexible kesterite-based solar cells.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Negah Hashemi, Jafar Hussain Shah, Cejun Hu, Subhajit Nandy, Pavlo Aleshkevych, Sumbal Farid, Keun Hwa Chae, Wei Xie, Taifeng Liu, Junhu Wang, Mohammad Mahdi Najafpour
Summary: This study investigates the effects of Fe on the oxygen-evolution reaction (OER) in the presence of Au. The study identifies two distinct areas of OER associated with Fe and Au sites at different overpotentials. Various factors were varied to observe the behaviors of FeOxHy/Au during OER. The study reveals strong electronic interaction between Fe and Au, and proposes a lattice OER mechanism based on FeOxHy.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Yingshi Su, Yonghui Cheng, Zhen Li, Yanjia Cui, Caili Yang, Ziyi Zhong, Yibing Song, Gongwei Wang, Lin Zhuang
Summary: This study systematically investigates the key roles of Nafion on Cu nanoparticles electrocatalyst for CO2RR. The Nafion modifier suppresses the hydrogen evolution reaction, increases CO2 concentration and mass transfer process, and activates CO2 molecule to enhance C2 product generation. As a result, the selectivity of the hydrogen evolution reaction is reduced and the efficiency of C2 products is significantly improved.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Daijie Deng, Honghui Zhang, Jianchun Wu, Xing Tang, Min Ling, Sihua Dong, Li Xu, Henan Li, Huaming Li
Summary: By doping sulfur into vanadium nitride, the S-VN/Co/NS-MC catalyst exhibits enhanced oxygen reduction reaction activity and catalytic performance. When applied in liquid and flexible ZABs, it shows higher power density, specific capacity, and cycling stability.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Review
Chemistry, Applied
Yi Li, Fei Zhang
Summary: Self-assembly of metal halide perovskite nanocrystals holds significant application value in the fields of display, detector, and solar cell due to their unique collective properties. This review covers the driving forces, commonly used methods, and different self-assembly structures of perovskite nanocrystals. Additionally, it summarizes the collective optoelectronic properties and application areas of perovskite superlattice structures, and presents an outlook on potential issues and future challenges in the development of perovskite nanocrystals.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Anki Reddy Mule, Bhimanaboina Ramulu, Shaik Junied Arbaz, Anand Kurakula, Jae Su Yu
Summary: Direct growth of redox-active noble metals and rational design of multifunctional electrochemical active materials play crucial roles in developing novel electrode materials for energy storage devices. In this regard, silver (Ag) has attracted great attention in the design of efficient electrodes. The construction of multifaceted heterostructure cobalt-iron hydroxide (CFOH) nanowires (NWs)@nickel cobalt manganese hydroxides and/or hydrate (NCMOH) nanosheets (NSs) on the Ag-deposited nickel foam and carbon cloth (i.e., Ag/ NF and Ag/CC) substrates is reported. The as-fabricated Ag@CFOH@NCMOH/NF electrode delivered superior areal capacity value of 2081.9 μA h cm-2 at 5 mA cm-2. Moreover, as-assembled hybrid cell based on NF (HC/NF) device exhibited remarkable areal capacity value of 1.82 mA h cm-2 at 5 mA cm-2 with excellent rate capability of 74.77% even at 70 mA cm-2. Furthermore, HC/NF device achieved maximum energy and power densities of 1.39 mW h cm-2 and 42.35 mW cm-2, respectively. To verify practical applicability, both devices were also tested to serve as a self-charging station for various portable electronic devices.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Zanling Huang, Shuqi Zhu, Yuan Duan, Chaoran Pi, Xuming Zhang, Abebe Reda Woldu, Jing-Xin Jian, Paul K. Chu, Qing-Xiao Tong, Liangsheng Hu, Xiangdong Yao
Summary: In this study, it was found that Ni sites act as a host to attract Fe(III) to form Fe(Ni)(III) binary centers, which promote the oxygen evolution reaction (OER) activity and stability by cyclical formation of intermediates. Additionally, other ions can also catalyze the OER process on different electrodes.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Jie Zeng, Jian Bao, Ya Zhang, Xun-Lu Li, Cui Ma, Rui-Jie Luo, Chong-Yu Du, Xuan Xu, Zhe Mei, Zhe Qian, Yong-Ning Zhou
Summary: The balance between cationic redox and oxygen redox is crucial for achieving high energy density and cycle stability in sodium batteries. This study demonstrates the reversible Mn2+/Mn4+ redox in a P3-Na0.65Li0.2Co0.05Mn0.75O2 cathode material through Co substitution, effectively suppressing the contribution of oxygen redox and improving structure stability.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Daniela M. Josepetti, Bianca P. Sousa, Simone A. J. Rodrigues, Renato G. Freitas, Gustavo Doubek
Summary: Lithium-oxygen batteries have high energy density potential but face challenges in achieving high cyclability. This study used operando Raman experiments and electrochemical impedance spectroscopy to evaluate the initial discharge processes in porous carbon electrodes. The results indicate that the reaction occurs at the Li2O2 surface and the growth of Li2O2 forms a more compact and homogeneous structure.
JOURNAL OF ENERGY CHEMISTRY
(2024)
Article
Chemistry, Applied
Ziqi Zhang, Jinyun Xu, Yu Zhang, Liping Zhao, Ming Li, Guoqiang Zhong, Di Zhao, Minjing Li, Xudong Hu, Wenju Zhu, Chunming Zheng, Xiaohong Sun
Summary: This paper explores the challenge of increasing global CO2 emissions and highlights the role of porous metal oxide materials in electrocatalytic reduction of CO2 (CO2RR). Porous metal oxides offer high surface area and tunability for optimizing CO2RR reaction mechanisms.
JOURNAL OF ENERGY CHEMISTRY
(2024)
