燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60518-9

LI Han , GAO Diannan , WANG Sheng , WANG Mingzhe , WANG Shudong

{"title":"Promoting effect of La additive on the Ni/Al2O3 catalyst in the catalytic decomposition of ammonia","authors":"LI Han , GAO Diannan , WANG Sheng , WANG Mingzhe , WANG Shudong","doi":"10.1016/S1872-5813(24)60518-9","DOIUrl":"10.1016/S1872-5813(24)60518-9","url":null,"abstract":"<div><div>The calcination conditions of Al<sub>2</sub>O<sub>3</sub> support and active Ni component in the Ni/Al<sub>2</sub>O<sub>3</sub> catalyst for the ammonia decomposition were optimized. On the basis of that, the promoting effect of La addition on the Ni/Al<sub>2</sub>O<sub>3</sub> catalyst in the catalytic decomposition of ammonia was investigated. The results indicate that at 550 ° and a WHSV of 36000 mL/(g·h), the ammonia conversion over 10%Ni/5La-Al<sub>2</sub>O<sub>3</sub> with a La loading of 5% reaches 83.2%. The ammonia conversion achieves 92.2% at 524 ° when the content of La is further increased to 15% and the catalytic activity of 10%Ni/15La-Al<sub>2</sub>O<sub>3</sub> displays no obvious decline within 100 h. Combining with the XRD, XPS, TEM and H<sub>2</sub>-TPR results, the superior performance of La-promoted Ni/Al<sub>2</sub>O<sub>3</sub> catalyst in the ammonia decomposition is ascribed to that the addition of La can improve the reductive properties of Ni, enrich the surface oxygen defect and nickel content, increase the adsorption sites of NH<sub>3</sub> molecules and stabilize the Al-based support structure. These results should be conducive to the understanding of the co-catalytic effect of rare earth element La and the development of efficient Ni-based ammonia decomposition catalysts.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 693-702"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation and coking properties of binder pitch prepared by a two-step method of oxidation and mild-polymerization 两步氧化-轻度聚合法制备粘结剂沥青及其焦化性能

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60499-8

GU Zishuo, ZHANG Chunyang, ZHANG Huichao, ZHU Yaming, CHENG Junxia, CHU Hongyu, ZHAO Xuefei

{"title":"Preparation and coking properties of binder pitch prepared by a two-step method of oxidation and mild-polymerization","authors":"GU Zishuo, ZHANG Chunyang, ZHANG Huichao, ZHU Yaming, CHENG Junxia, CHU Hongyu, ZHAO Xuefei","doi":"10.1016/S1872-5813(24)60499-8","DOIUrl":"10.1016/S1872-5813(24)60499-8","url":null,"abstract":"<div><div>Production of high-quality binder pitch is important since it is one of the essential raw materials for artificial carbon/graphite electrodes. A two-step process of oxidation and mild polymerization were employed to develop binder pitches from four refined pitches produced from high-temperature coal tar pitches from various sources. Moreover, coking properties of the binder pitch were thoroughly investigated. Proximate, ultimate, FT-IR, optical, and thermogravimetric analyses were used to explore the fundamental physic-chemical properties of the binder pitch. Further, optical microscope, XRD, Raman spectrum, scanning electron microscope (SEM), and micro-strength were also used to determine micro-structure of binder pitch coke. The findings demonstrate that four refined high-temperature coal tar pitches could prepare binder pitches with optically isotropic, high aromatic, and strong thermal stability using the two-step process. The optical microstructure of binder pitch cokes produced using carbonization and thermal conversion methods comprised mainly of leaflets and contained a significant amount of regular carbon microcrystals. Among them, optical anisotropy index of the binder pitch coke reached 93%, and amount of β resin in binder pitch BP-KL reached 35.27%.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 784-795"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The role of Gd2O3 in Pt-based sulfur-resistant catalysts for CO oxidation Gd2O3在pt基耐硫CO氧化催化剂中的作用

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60513-X

JIANG Li , YUAN Jiangyong , LI Zhiqiang , LI Yuelun , ZHAO Yunkun , YANG Dongxia , WANG Chengxiong , WANG Hua , CHENG Xian-ming , LI Kongzhai

{"title":"The role of Gd2O3 in Pt-based sulfur-resistant catalysts for CO oxidation","authors":"JIANG Li , YUAN Jiangyong , LI Zhiqiang , LI Yuelun , ZHAO Yunkun , YANG Dongxia , WANG Chengxiong , WANG Hua , CHENG Xian-ming , LI Kongzhai","doi":"10.1016/S1872-5813(24)60513-X","DOIUrl":"10.1016/S1872-5813(24)60513-X","url":null,"abstract":"<div><div>The present study investigates the preparation and characterization of three catalysts (1%Pt/CZLY, 1%Pt/CZLGd and 1%Pt/CZLYGd) using the polyol method. The results reveal that the addition of gadolinium elements (Gd) to the catalysts leads to an enhancement in the specific surface area. This is attributed to the Ce<sup>3+</sup> species promotion and O<sub>latt</sub> formation, facilitated by the presence of Gd. Furthermore, the action of Gd results in the formation of smaller and more uniformly dispersed Pt particles. The 1%Pt/CZLYGd catalyst displayed the most exceptional CO catalytic oxidation activity (<em>t</em><sub>90</sub> = 95 °C, GHSV = 45000 mL/(g·h)), demonstrating its durability for 24 h. Additionally, it exhibited notable resistance to the toxicity of SO<sub>2</sub>. The interaction of Gd<sub>2</sub>O<sub>3</sub> with other components has the potential to enhance the number and variety of active sites, thereby improving the catalytic efficiency and enhancing the thermal stability and sulfur resistance of the catalyst, thus extending its service life. This provides a novel concept for the development of high sulfur-resistant catalysts for industrial applications.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 713-724"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative study on the structural properties and electrochemical performance of xylan-derived char catalyzed by Na2CO3 at various concentrations 不同浓度Na2CO3催化木聚糖衍生炭的结构性质和电化学性能比较研究

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60509-8

LI Yamin , GU Yue , WANG Shuang , TAN Jun

{"title":"Comparative study on the structural properties and electrochemical performance of xylan-derived char catalyzed by Na2CO3 at various concentrations","authors":"LI Yamin , GU Yue , WANG Shuang , TAN Jun","doi":"10.1016/S1872-5813(24)60509-8","DOIUrl":"10.1016/S1872-5813(24)60509-8","url":null,"abstract":"<div><div>In this study, the catalysis function of Na<sub>2</sub>CO<sub>3</sub> to the structural properties of xylan char was well investigated with Na<sub>2</sub>CO<sub>3</sub> on, and the electrochemical performance of xylan char as an anode material for sodium-ion batteries was tested. The characterization of X-ray microscopy and scanning electron microscopy demonstrated that the morphological structure of xylan char was altered due to the addition of Na<sub>2</sub>CO<sub>3</sub> catalyst. The increasement of the Na<sub>2</sub>CO<sub>3</sub>/xylan ratio resulted in a slenderization of the triangular prism shape of the char skeleton and a reduction in porosity. X-ray diffraction analysis revealed that Na<sub>2</sub>CO<sub>3</sub> promoted the growth of the (004) crystal plane of graphite during xylan pyrolysis, while inhibiting the formation of the (100/101) crystal planes. Raman spectroscopy analysis indicated that the presence of Na<sub>2</sub>CO<sub>3</sub> had changed the graphitization degree of xylan char. Electrochemical tests further showed that char prepared with a Na<sub>2</sub>CO<sub>3</sub>/xylan mass ratio of 1∶1 exhibited the highest sodium storage capacity. This study provides a pathway for the rational design carbon materials derived from xylan for future applications in energy storage devices.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 638-645"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing energy density in planar micro-supercapacitors: The role of few-layer graphite/carbon black/NiCo2O4 composite materials 提高平面微型超级电容器能量密度：低层石墨/炭黑/NiCo2O4复合材料的作用

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60511-6

ZHANG Wanggang , HUANG Lei , WANG Menghu , WANG Jian , WEI Aili , LIU Yiming

{"title":"Enhancing energy density in planar micro-supercapacitors: The role of few-layer graphite/carbon black/NiCo2O4 composite materials","authors":"ZHANG Wanggang , HUANG Lei , WANG Menghu , WANG Jian , WEI Aili , LIU Yiming","doi":"10.1016/S1872-5813(24)60511-6","DOIUrl":"10.1016/S1872-5813(24)60511-6","url":null,"abstract":"<div><div>The advancement of planar micro-supercapacitors (PMSCs) for micro-electromechanical systems (MEMS) has been significantly hindered by the challenge of achieving high energy and power densities. This study addresses this issue by leveraging screen-printing technology to fabricate high-performance PMSCs using innovative composite ink. The ink, a synergistic blend of few-layer graphene (Gt), carbon black (CB), and NiCo<sub>2</sub>O<sub>4</sub>, was meticulously mixed to form a conductive and robust coating that enhanced the capacitive performance of the PMSCs. The optimized ink formulation and printing process result in a micro-supercapacitor with an exceptional areal capacitance of 18.95 mF/cm<sup>2</sup> and an areal energy density of 2.63 µW·h/cm<sup>2</sup> at a current density of 0.05 mA/cm<sup>2</sup>, along with an areal power density of 0.025 mW/cm<sup>2</sup>. The devices demonstrated impressive durability with a capacitance retention rate of 94.7% after a stringent 20000-cycle test, demonstrating their potential for long-term applications. Moreover, the PMSCs displayed excellent mechanical flexibility, with a capacitance decrease of only 3.43% after 5000 bending cycles, highlighting their suitability for flexible electronic devices. The ease of integrating these PMSCs into series and parallel configurations for customized power further underscores their practicality for integrated power supply solutions in various technologies.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 646-662"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Roles of Sn-promoter and carbon nanotubes treatment on supported CoB catalysts for hydrogen production sn促进剂和碳纳米管处理对负载型CoB制氢催化剂的作用

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60520-7

SHI Limin , LI Yanbo , LEI Qiang , REN Rongzhi , WANG Yujing

引用次数: 0

Preparation of Mn-V-O binary oxides and their catalytic performance for aerobic oxidative desulfurization Mn-V-O二元氧化物的制备及其有氧氧化脱硫的催化性能

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60519-0

YANG Yanchao , HAN Shuai , LI Xiuping , ZHAO Rongxiang

{"title":"Preparation of Mn-V-O binary oxides and their catalytic performance for aerobic oxidative desulfurization","authors":"YANG Yanchao , HAN Shuai , LI Xiuping , ZHAO Rongxiang","doi":"10.1016/S1872-5813(24)60519-0","DOIUrl":"10.1016/S1872-5813(24)60519-0","url":null,"abstract":"<div><div>Aerobic Oxidative Desulfurization (AODS) represents an economical and sustainable approach for the desulfurization of petroleum distillates, requiring high-performance catalysts to convert sulfides into sulphones under mild reaction conditions. The sheet-like Mn-V-O binary oxides were synthesized using a straightforward hydrothermal process. The crystal phase, morphology, and surface properties of the catalyst were examined using various techniques, including Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). The desulfurization performance over the catalyst of Mn-V-O binary oxides was assessed using oxygen as the oxidant, and the effects of reaction temperature, catalyst dosage, oxygen flow rate, and sulfide type on the desulfurization rate were investigated. The results indicate that when the reaction temperature is maintained at 110 °C, with 20 mL of model oil, 0.04 g of catalyst and an oxygen flow rate of 150 mL/min, the desulfurization rate can achieve 92.5%. The order of removal rate for different sulfides is as follows: dibenzothiophene (DBT) > 4,6-dimethyldibenzothiophene (4,6-DMDBT) > benzothiophene (BT). The catalyst can be reused up to five times while maintaining a desulfurization activity above 90%. Free radical capture experiments have demonstrated that the superoxide radicals are generated in the presence of the catalyst and oxygen, which effectively oxidize the DBT to DBTO<sub>2</sub>.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 733-741"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Study on performance of Fe2N catalyst modified by hydrophobic PDVB-DMF for Fischer-Tropsch synthesis 疏水PDVB-DMF修饰Fe2N费托合成催化剂性能研究

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60526-8

YIN Fu , QU Fan , WANG Fei , CHANG Qiang , WEI Yuxue , ZHANG Chenghua , SUN Song

{"title":"Study on performance of Fe2N catalyst modified by hydrophobic PDVB-DMF for Fischer-Tropsch synthesis","authors":"YIN Fu , QU Fan , WANG Fei , CHANG Qiang , WEI Yuxue , ZHANG Chenghua , SUN Song","doi":"10.1016/S1872-5813(24)60526-8","DOIUrl":"10.1016/S1872-5813(24)60526-8","url":null,"abstract":"<div><div>Fe-based catalysts are commonly used in Fischer-Tropsch synthesis. However, high water pressure in the process can easily lead to oxidation and deactivation of the active phase of the catalyst. Therefore, timely removal of the generated water from the catalyst surface is a key measure to prevent oxidation of the active phase and prolong the lifetime of the catalyst. In this work, hydrophobic agent-porous polydivinylbenzene was mixed with Fe<sub>2</sub>N catalyst. The hydrophobicity of porous polydivinylbenzene accelerated the water migration in local microenvironment. This strategy effectively balanced the adsorption and release of water on the catalyst surface, reduced the occupation of water on the active site and promoted the efficient conversion of syngas. The CO conversion of Fe2N without porous hydrophobic agent was only 34.8%. The active phase was oxidized during the reaction. While CO conversion of Fe2N mixed with porous hydrophobic agent was as high as 80.2%, and no oxidation of active phase was observed after reaction. This work shows that hydrophobic polymers have excellent effects in optimizing catalyst microenvironment, improving reaction efficiency and product selectivity, and thus provides a new strategy for syngas conversion.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 663-671"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modulating isomers distribution of n-dodecane hydroisomerization by using ZSM-22/ZSM-48 composite zeolite 用ZSM-22/ZSM-48复合沸石调节正十二烷加氢异构的异构体分布

燃料化学学报 Pub Date : 2025-05-01 DOI: 10.1016/S1872-5813(24)60515-3

WANG Yuting , ZHANG Wei , MA Mengxi , WANG Yan , GAI Limin , ZHENG Jiajun , DAI Weijiong , QIN Bo , WANG Xiaowei , HOU Jianle , LI Ruifeng

{"title":"Modulating isomers distribution of n-dodecane hydroisomerization by using ZSM-22/ZSM-48 composite zeolite","authors":"WANG Yuting , ZHANG Wei , MA Mengxi , WANG Yan , GAI Limin , ZHENG Jiajun , DAI Weijiong , QIN Bo , WANG Xiaowei , HOU Jianle , LI Ruifeng","doi":"10.1016/S1872-5813(24)60515-3","DOIUrl":"10.1016/S1872-5813(24)60515-3","url":null,"abstract":"<div><div>ZSM-22 and ZSM-48 zeolites are different in their topological structure and show distinct catalytic performance in the hydroisomerization of <em>n</em>-alkanes, especially in the distribution of produced isomers. In this work, ZSM-22/ZSM-48 composite zeolites are synthesized by the mechanical mixing method and the secondary hydrothermal synthesis; the zeolite samples are characterized by XRD, SEM, NH<sub>3</sub>-TPD and N<sub>2</sub> sorption and their catalytic performance in the hydroisomerization of <em>n</em>-dodecane was comparatively investigated. The results indicate that the ZSM-22/ZSM-48 composite zeolites exhibit combined properties of the two individual zeolites; their surface area, micropore volume, micropore area and acidity lie between those of the single ZSM-22 and ZSM-48 zeolites. For the hydroisomerization of <em>n</em>-dodecane, the percentage of 2-methylundecane in the monobranched <em>iso</em>-dodecane product is 19%–44% over the Pt/ZSM-22/ZSM-48-S composite zeolite, which is about 20% higher than that over Pt/ZSM-48 and about 10% lower than that over Pt/ZSM-22; in addition, the percentage of 5-methylundecane in the monobranched <em>iso</em>-dodecane products over Pt/ZSM-22/ZSM-48-S is 23%–42%, which is about 8% higher than that over Pt/ZSM-22 and about 13% lower than that over Pt/ZSM-48. The results suggest that the distribution of the isomer products of <em>n</em>-alkanes hydroisomerization can be regulated by adjusting the mass ratio of two zeolites of different topological structures (i.e., ZSM-22 and ZSM-48) in the Pt/ZSM-22/ZSM-48 composite zeolite catalyst.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 5","pages":"Pages 672-682"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of heat treatment on the performance of ZnOHF for electrocatalytic reduction of CO2 to CO 热处理对ZnOHF电催化还原CO2制CO性能的影响

燃料化学学报 Pub Date : 2025-04-01 DOI: 10.1016/S1872-5813(24)60485-8

Shuling CHANG , Tingting SUN , Rongjing JIA , Lihong ZHANG , Yanhong XU

{"title":"Effect of heat treatment on the performance of ZnOHF for electrocatalytic reduction of CO2 to CO","authors":"Shuling CHANG , Tingting SUN , Rongjing JIA , Lihong ZHANG , Yanhong XU","doi":"10.1016/S1872-5813(24)60485-8","DOIUrl":"10.1016/S1872-5813(24)60485-8","url":null,"abstract":"<div><div>The selective and efficient conversion of inert CO<sub>2</sub> into value-added chemicals by electrochemical methods is one of the important ways to alleviate the environmental and energy crisis. Non-precious metal Zn is often used in the electrocatalytic reduction reaction of CO<sub>2</sub> (CO<sub>2</sub>RR) to CO due to its abundant reserves, low price, good stability and non-toxic. However, it is still necessary to improve the catalytic performance of traditional Zn-based catalysts for CO<sub>2</sub>RR. In order to optimize the performance of Zn-based catalysts, pure ZnOHF sample was synthesized by hydrothermal method. The effect of heat treatment on the structure, texture and electrocatalytic CO<sub>2</sub>RR performance of the samples was investigated. The electrocatalytic evaluation results revealed that the heat-treated ZnOHF sample showed better activity and CO selectivity compared with untreated sample. The Faraday efficiency of CO (FE<sub>CO</sub>) reached 77.4% at −1.15V <em>vs.</em> RHE. Even at potential of −1.05 V <em>vs.</em> RHE, the current density and FE<sub>CO</sub> could be stabilized at −6.17 mA/cm<sup>2</sup> and 72% in 5 h. This was because heat treatment optimized the amount of surface hydroxyl of ZnOHF. The microcrystalline particles became uniform and fine. The roughness and electrochemical surface area (ECSA) also increased, thus exposing more active sites and promoting the adsorption and activation of CO<sub>2</sub> as well as the desorption of CO. This study provides experimental basis and theoretical guidance for the design and development of Zn-based catalysts for electrocatalytic CO<sub>2</sub>RR.</div></div>","PeriodicalId":15956,"journal":{"name":"燃料化学学报","volume":"53 4","pages":"Pages 452-461"},"PeriodicalIF":0.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143858896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

燃料化学学报最新文献