1区化学

能源化学 Pub Date : 2023-09-19 DOI: 10.1016/j.jechem.2023.09.007

Rohini Subhash Kanase , Getasew Mulualem Zewdie , Maheswari Arunachalam , Jyoti Badiger , Suzan Abdelfattah Sayed , Kwang-Soon Ahn , Jun-Seok Ha , Uk Sim , Hyeyoung Shin , Soon Hyung Kang

{"title":"Surface engineering of ZnO electrocatalyst by N doping towards electrochemical CO2 reduction","authors":"Rohini Subhash Kanase , Getasew Mulualem Zewdie , Maheswari Arunachalam , Jyoti Badiger , Suzan Abdelfattah Sayed , Kwang-Soon Ahn , Jun-Seok Ha , Uk Sim , Hyeyoung Shin , Soon Hyung Kang","doi":"10.1016/j.jechem.2023.09.007","DOIUrl":"https://doi.org/10.1016/j.jechem.2023.09.007","url":null,"abstract":"<div>The discovery of efficient, selective, and stable electrocatalysts can be a key point to produce the large-scale chemical fuels via electrochemical CO2 reduction (ECR). In this study, an earth-abundant and nontoxic ZnO-based electrocatalyst was developed for use in gas-diffusion electrodes (GDE), and the effect of nitrogen (N) doping on the ECR activity of ZnO electrocatalysts was investigated. Initially, a ZnO nanosheet was prepared via the hydrothermal method, and nitridation was performed at different times to control the N-doping content. With an increase in the N-doping content, the morphological properties of the nanosheet changed significantly, namely, the 2D nanosheets transformed into irregularly shaped nanoparticles. Furthermore, the ECR performance of ZnO electrocatalysts with different N-doping content was assessed in 1.0 M KHCO3 electrolyte using a gas-diffusion electrode-based ECR cell. While the ECR activity increased after a small amount of N doping, it decreased for higher N doping content. Among them, the N:ZnO-1 h electrocatalysts showed the best CO selectivity, with a faradaic efficiency (FECO) of 92.7% at −0.73 V vs. reversible hydrogen electrode (RHE), which was greater than that of an undoped ZnO electrocatalyst (FECO of 63.4% at −0.78 VRHE). Also, the N:ZnO-1 h electrocatalyst exhibited outstanding durability for 16 h, with a partial current density of −92.1 mA cm−2. This improvement of N:ZnO-1 h electrocatalyst can be explained by density functional theory calculations, demonstrating that this improvement of N:ZnO-1 h electrocatalyst comes from (i) the optimized active sites lowering the free energy barrier for the rate-determining step (RDS), and (ii) the modification of electronic structure enhancing the electron transfer rate by N doping.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"88 ","pages":"Pages 71-81"},"PeriodicalIF":0.0,"publicationDate":"2023-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67740086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chloride ion battery: A new emerged electrochemical system for next-generation energy storage 氯离子电池：用于下一代储能的新兴电化学系统

1区化学

能源化学 Pub Date : 2023-09-19 DOI: 10.1016/j.jechem.2023.08.055

Shulin Chen , Lu Wu , Yu Liu , Peng Zhou , Qinyou An , Liqiang Mai

{"title":"Chloride ion battery: A new emerged electrochemical system for next-generation energy storage","authors":"Shulin Chen , Lu Wu , Yu Liu , Peng Zhou , Qinyou An , Liqiang Mai","doi":"10.1016/j.jechem.2023.08.055","DOIUrl":"https://doi.org/10.1016/j.jechem.2023.08.055","url":null,"abstract":"<div>In the scope of developing new electrochemical concepts to build batteries with high energy density, chloride ion batteries (CIBs) have emerged as a candidate for the next generation of novel electrochemical energy storage technologies, which show the potential in matching or even surpassing the current lithium metal batteries in terms of energy density, dendrite-free safety, and elimination of the dependence on the strained lithium and cobalt resources. However, the development of CIBs is still at the initial stage with unsatisfactory performance and several challenges have hindered them from reaching commercialization. In this review, we examine the current advances of CIBs by considering the electrode material design to the electrolyte, thus outlining the new opportunities of aqueous CIBs especially combined with desalination, chloride redox battery, etc. With respect to the developing road of lithium ion and fluoride ion batteries, the possibility of using solid-state chloride ion conductors to replace liquid electrolytes is tentatively discussed. Going beyond, perspectives and clear suggestions are concluded by highlighting the major obstacles and by prescribing specific research topics to inspire more efforts for CIBs in large-scale energy storage applications.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"88 ","pages":"Pages 154-168"},"PeriodicalIF":0.0,"publicationDate":"2023-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67740100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Vacancy healing for stable perovskite solar cells via bifunctional potassium tartrate 双功能酒石酸钾用于稳定钙钛矿太阳能电池的空位修复

1区化学

能源化学 Pub Date : 2023-09-19 DOI: 10.1016/j.jechem.2023.09.008

Jing Dou , Yue Ma , Xiuxiu Niu , Wentao Zhou , Xueyuan Wei , Jie Dou , Zhenhua Cui , Qizhen Song , Tinglu Song , Huanping Zhou , Cheng Zhu , Yang Bai , Qi Chen

引用次数: 0

Precision tuning of highly efficient Pt-based ternary alloys on nitrogen-doped multi-wall carbon nanotubes for methanol oxidation reaction 氮掺杂多壁碳纳米管上高效pt基三元合金用于甲醇氧化反应的精密调谐

1区化学

能源化学 Pub Date : 2023-09-18 DOI: 10.1016/j.jechem.2023.08.051

Xingqun Zheng , Zhengcheng Wang , Qian Zhou , Qingmei Wang , Wei He , Shun Lu

{"title":"Precision tuning of highly efficient Pt-based ternary alloys on nitrogen-doped multi-wall carbon nanotubes for methanol oxidation reaction","authors":"Xingqun Zheng , Zhengcheng Wang , Qian Zhou , Qingmei Wang , Wei He , Shun Lu","doi":"10.1016/j.jechem.2023.08.051","DOIUrl":"10.1016/j.jechem.2023.08.051","url":null,"abstract":"<div>The electrochemical methanol oxidation is a crucial reaction in the conversion of renewable energy. To enable the widespread adoption of direct methanol fuel cells (DMFCs), it is essential to create and engineer catalysts that are both highly effective and robust for conducting the methanol oxidation reaction (MOR). In this work, trimetallic PtCoRu electrocatalysts on nitrogen-doped carbon and multi-wall carbon nanotubes (PtCoRu@NC/MWCNTs) were prepared through a two-pot synthetic strategy. The acceleration of CO oxidation to CO2 and the blocking of CO reduction on adjacent Pt active sites were attributed to the crucial role played by cobalt atoms in the as-prepared electrocatalysts. The precise control of Co atoms loading was achieved through precursor stoichiometry. Various physicochemical techniques were employed to analyze the morphology, element composition, and electronic state of the catalyst. Electrochemical investigations and theoretical calculations confirmed that the Pt1Co3Ru1@NC/MWCNTs exhibit excellent electrocatalytic performance and durability for the process of MOR. The enhanced MOR activity can be attributed to the synergistic effect between the multiple elements resulting from precisely controlled Co loading content on surface of the electrocatalyst, which facilitates efficient charge transfer. This interaction between the multiple components also modifies the electronic structures of active sites, thereby promoting the conversion of intermediates and accelerating the MOR process. Thus, achieving precise control over Co loading in PtCoRu@NC/MWCNTs would enable the development of high-performance catalysts for DMFCs.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"88 ","pages":"Pages 242-251"},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135889865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Correlation between hydration properties and electrochemical performances on Ln cation size effect in layered perovskite for protonic ceramic fuel cells 质子陶瓷燃料电池层状钙钛矿中Ln阳离子尺寸效应的水化性能与电化学性能的相关性

1区化学

能源化学 Pub Date : 2023-09-18 DOI: 10.1016/j.jechem.2023.09.004

Inhyeok Cho , Jiwon Yun , Boseok Seong , Junseok Kim , Sun Hee Choi , Ho-Il Ji , Sihyuk Choi

{"title":"Correlation between hydration properties and electrochemical performances on Ln cation size effect in layered perovskite for protonic ceramic fuel cells","authors":"Inhyeok Cho , Jiwon Yun , Boseok Seong , Junseok Kim , Sun Hee Choi , Ho-Il Ji , Sihyuk Choi","doi":"10.1016/j.jechem.2023.09.004","DOIUrl":"https://doi.org/10.1016/j.jechem.2023.09.004","url":null,"abstract":"<div>PrBa0.5Sr0.5Co1.5Fe0.5O5+δ (PrBSCF) has attracted much research interest as a potential triple ionic and electronic conductor (TIEC) electrode for protonic ceramic fuel cells (PCFCs). The chemical formula for PrBSCF is AA’B2O5+δ, with Pr (A-site) and Ba/Sr (A’-site) alternately stacked along the c-axis. Due to these structural features, the bulk oxygen ion diffusivity is significantly enhanced through the disorder-free channels in the PrO layer; thus, the A site cations (lanthanide ions) play a pivotal role in determining the overall electrochemical properties of layered perovskites. Consequently, previous research has predominantly focused on the electrical properties and oxygen bulk/surface kinetics of Ln cation effects, whereas the hydration properties for PCFC systems remain unidentified. Here, we thoroughly examined the proton uptake behavior and thermodynamic parameters for the hydration reaction to conclusively determine the changes in the electrochemical performances depending on LnBa0.5Sr0.5Co1.5Fe0.5O5+δ (LnBSCF, Ln=Pr, Nd, and Gd) cathodes. At 500 °C, the quantitative proton concentration of PrBSCF was 2.04 mol% and progressively decreased as the Ln cation size decreased. Similarly, the Gibbs free energy indicated that less energy was required for the formation of protonic defects in the order of PrBSCF < NdBSCF < GdBSCF. To elucidate the close relationship between hydration properties and electrochemical performances in LnBSCF cathodes, PCFC single cell measurements and analysis of the distribution of relaxation time were further investigated.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"88 ","pages":"Pages 1-9"},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67740071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tuning the crystalline and electronic structure of ZrO2 via oxygen vacancies and nano-structuring for polysulfides conversion in lithium-sulfur batteries 通过氧空位和纳米结构调节ZrO2的晶体和电子结构，用于锂硫电池中的多硫化物转化

1区化学

能源化学 Pub Date : 2023-09-16 DOI: 10.1016/j.jechem.2023.09.003

Shengnan Fu , Chaowei Hu , Jing Li , Hongtao Cui , Yuanyuan Liu , Kaihua Liu , Yanzhao Yang , Meiri Wang

{"title":"Tuning the crystalline and electronic structure of ZrO2 via oxygen vacancies and nano-structuring for polysulfides conversion in lithium-sulfur batteries","authors":"Shengnan Fu , Chaowei Hu , Jing Li , Hongtao Cui , Yuanyuan Liu , Kaihua Liu , Yanzhao Yang , Meiri Wang","doi":"10.1016/j.jechem.2023.09.003","DOIUrl":"https://doi.org/10.1016/j.jechem.2023.09.003","url":null,"abstract":"<div>The recent emergence of tetragonal phases zirconium dioxide (ZrO2) with vacancies has generated significant interest as a highly efficient and stable electrocatalyst with potential applications in trapping polysulfides and facilitating rapid conversion in lithium-sulfur batteries (LSBs). However, the reduction of ZrO2 is challenging, even under strong reducing atmospheres at high temperatures and pressures. Consequently, the limited presence of oxygen vacancies results in insufficient active sites and reaction interfaces, thereby hindering practical implementation. Herein, we successfully introduced abundant oxygen vacancies into ZrO2 at the nanoscale with the help of carbon nanotubes (CNTs-OH) through hydrogen-etching at lower temperatures and pressures. The introduced oxygen vacancies on ZrO2−x/CNTs-OH can effectively rearrange charge distribution, enhance sulfiphilicity and increase active sites, contributing to high ionic and electronic transfer kinetics, strong binding energy and low redox barriers between polysulfides and ZrO2−x. These findings have been experimentally validated and supported by theory calculations. As a result, LSBs assembled with the ZrO2−x/CNTs-OH modified separators demonstrate excellent rate performance, superior cycling stability, and ultra-high sulfur utilization. Especially, at high sulfur loading of 6 mg cm−2, the area capacity is still up to 6.3 mA h cm−2. This work provides valuable insights into the structural and functional optimization of electrocatalysts for batteries.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"88 ","pages":"Pages 82-93"},"PeriodicalIF":0.0,"publicationDate":"2023-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67740087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The etching strategy of zinc anode to enable high performance zinc-ion batteries 实现高性能锌离子电池的锌阳极蚀刻策略

1区化学

能源化学 Pub Date : 2023-09-15 DOI: 10.1016/j.jechem.2023.08.052

Xueqing Fu , Gaopeng Li , Xinlu Wang , Jinxian Wang , Wensheng Yu , Xiangting Dong , Dongtao Liu

引用次数: 1

Atom substitution of the solid-state electrolyte Li10GeP2S12 for stabilized all-solid-state lithium metal batteries 稳定化全固态锂金属电池用固态电解质Li10GeP2S12的原子替代

1区化学

能源化学 Pub Date : 2023-09-14 DOI: 10.1016/j.jechem.2023.09.001

Zijing Wan, Xiaozhen Chen, Ziqi Zhou, Xiaoliang Zhong, Xiaobing Luo, Dongwei Xu

{"title":"Atom substitution of the solid-state electrolyte Li10GeP2S12 for stabilized all-solid-state lithium metal batteries","authors":"Zijing Wan, Xiaozhen Chen, Ziqi Zhou, Xiaoliang Zhong, Xiaobing Luo, Dongwei Xu","doi":"10.1016/j.jechem.2023.09.001","DOIUrl":"https://doi.org/10.1016/j.jechem.2023.09.001","url":null,"abstract":"<div>Solid-state electrolyte Li10GeP2S12 (LGPS) has a high lithium ion conductivity of 12 mS cm−1 at room temperature, but its inferior chemical stability against lithium metal anode impedes its practical application. Among all solutions, Ge atom substitution of the solid-state electrolyte LGPS stands out as the most promising solution to this interface problem. A systematic screening framework for Ge atom substitution including ionic conductivity, thermodynamic stability, electronic and mechanical properties is utilized to solve it. For fast screening, an enhanced model DopNetFC using chemical formulas for the dataset is adopted to predict ionic conductivity. Finally, Li10SrP2S12 (LSrPS) is screened out, which has high lithium ion conductivity (12.58 mS cm−1). In addition, an enhanced migration of lithium ion across the LSrPS/Li interface is found. Meanwhile, compared to the LGPS/Li interface, LSrPS/Li interface exhibits a larger Schottky barrier (0.134 eV), smaller electron transfer region (3.103 Å), and enhanced ability to block additional electrons, all of which contribute to the stabilized interface. The applied theoretical atom substitution screening framework with the aid of machine learning can be extended to rapid determination of modified specific material schemes.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"88 ","pages":"Pages 28-38"},"PeriodicalIF":0.0,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67740083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Recent progress on copper catalysts with different surface states for CO2 electroreduction 用于CO2电还原的不同表面态铜催化剂的研究进展

1区化学

能源化学 Pub Date : 2023-09-14 DOI: 10.1016/j.jechem.2023.09.002

Wenjun Zhang , Yang Yang , Donggang Guo , Lu Liu

引用次数: 0

Patent-based technological developments and surfactants application of lithium-ion batteries fire-extinguishing agent 锂离子电池灭火剂的专利技术发展及表面活性剂应用

1区化学

能源化学 Pub Date : 2023-09-04 DOI: 10.1016/j.jechem.2023.08.037

Jianqi Zhang , Tao Fan , Shuai Yuan , Chongye Chang , Kuo Wang , Ziwei Song , Xinming Qian

{"title":"Patent-based technological developments and surfactants application of lithium-ion batteries fire-extinguishing agent","authors":"Jianqi Zhang , Tao Fan , Shuai Yuan , Chongye Chang , Kuo Wang , Ziwei Song , Xinming Qian","doi":"10.1016/j.jechem.2023.08.037","DOIUrl":"10.1016/j.jechem.2023.08.037","url":null,"abstract":"<div>While newer, more efficient Lithium-ion batteries (LIBs) and extinguishing agents have been developed to reduce the occurrence of thermal runaway accidents, there is still a scarcity of research focused on the application of surfactants in different LIBs extinguishing agents, particularly in terms of patented technologies. The aim of this review paper is to provide an overview of the technological progress of LIBs and LIBs extinguishing agents in terms of patents in Korea, Japan, Europe, the United States, China, etc. The initial part of this review paper is sort out LIBs technology development in different regions. In addition, to compare LIBs extinguishing agent progress and challenges of liquid, solid, combination of multiple, and microencapsulated. The subsequent sectionof this review focuses on an in-depth analysis dedicated to the efficiency and challenges faced by the surfactants corresponding design principles of LIBs extinguishing agents, such as nonionic and anionic surfactants. A total of 451,760 LIBs-related patent and 20 LIBs-fire-extinguishing agent-related patent were included in the analyses. The extinguishing effect, cooling performance, and anti-recombustion on different agents have been highlighted. After a comprehensive comparison of these agents, this review suggests that temperature-sensitive hydrogel extinguishing agent is ideal for the effective control of LIBs fire. The progress and challenges of surfactants have been extensively examined, focusing on key factors such as surface activity, thermal stability, foaming properties, environmental friendliness, and electrical conductivity. Moreover, it is crucial to emphasize that the selection of a suitable surfactant must align with the extinguishing strategy of the extinguishing agent for optimal firefighting effectiveness.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"88 ","pages":"Pages 39-63"},"PeriodicalIF":0.0,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43996903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

能源化学最新文献