EnergyChem最新文献_第8页

Rechargeable zinc-air batteries with neutral electrolytes: Recent advances, challenges, and prospects 中性电解质的可充电锌空气电池:最新进展、挑战和前景

IF 25.1

EnergyChem Pub Date : 2021-07-01 DOI: 10.1016/j.enchem.2021.100055

Cheng Wang , Jing Li , Zheng Zhou, Yuqi Pan, Zixun Yu, Zengxia Pei, Shenlong Zhao, Li Wei, Yuan Chen

{"title":"Rechargeable zinc-air batteries with neutral electrolytes: Recent advances, challenges, and prospects","authors":"Cheng Wang , Jing Li , Zheng Zhou, Yuqi Pan, Zixun Yu, Zengxia Pei, Shenlong Zhao, Li Wei, Yuan Chen","doi":"10.1016/j.enchem.2021.100055","DOIUrl":"https://doi.org/10.1016/j.enchem.2021.100055","url":null,"abstract":"<div><p>Rechargeable zinc-air batteries (R-ZABs) are attractive for many essential energy storage applications – from portable electronics, electric vehicles to incorporation of renewable energy due to their high energy storage density, abundant raw materials, and inherent safety. However, alkaline electrolytes cause critical obstacles in realizing a long battery life. Thus, neutral electrolytes are attracting growing interest. However, the current understandings of R-ZABs in neutral/near-neutral electrolytes are far behind those in alkaline electrolytes. This review summarizes the latest research progress of neutral electrolytes used in R-ZABs, including aqueous inorganic and organic salt solutions, water-in-salt electrolytes, and quasi-solid electrolytes based on polymer hydrogels. Research efforts in improving the stability of Zn anodes in neutral electrolytes are also reviewed. Reaction mechanisms of oxygen reduction and evolution reactions in alkaline and neutral electrolytes are compared in the context of R-ZABs, together with a summary of potential oxygen electrocatalysts applicable in neutral conditions. Different device configurations are introduced. We further provide our perspectives on future research directions of R-ZABs with neutral electrolytes.</p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 4","pages":"Article 100055"},"PeriodicalIF":25.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2021.100055","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3163791","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: 47

Metal-organic frameworks for C6–C8 hydrocarbon separations C6-C8烃类分离的金属-有机框架

IF 25.1

EnergyChem Pub Date : 2021-07-01 DOI: 10.1016/j.enchem.2021.100057

Zhaoqiang Zhang, Shing Bo Peh, Chengjun Kang, Kungang Chai, Dan Zhao

{"title":"Metal-organic frameworks for C6–C8 hydrocarbon separations","authors":"Zhaoqiang Zhang, Shing Bo Peh, Chengjun Kang, Kungang Chai, Dan Zhao","doi":"10.1016/j.enchem.2021.100057","DOIUrl":"https://doi.org/10.1016/j.enchem.2021.100057","url":null,"abstract":"<div><p>Hydrocarbon separations are crucial to the chemical industry for the production of valuable feedstocks. However, their structural and chemical similarities have proven daunting challenges to incumbent separation technologies, which are energy- and capital-intensive. Approaches capable of discerning and exploiting minute differences in isomeric hydrocarbons, in particular, may provide solutions to this problem. Metal-organic frameworks (MOFs) integrating the merits of tunable pore size at sub-angstrom scale and pore chemistry in confined spaces have presented promising prospects in adsorptive separation to recognize the minor differences in gas molecules via the judicious design and functionalization. In this Review, we explore the usage of MOFs for the underexplored adsorptive separation of hydrocarbons in the liquid/vapor phase, especially for C6 and C8 isomers. The in-depth insights into the structure-property relationship and the dominant mechanisms, including host-guest interaction modes for the effective adsorption of C6 and C8 hydrocarbons, are systematically discussed. Finally, the effectiveness and scope to translate such design strategies into other systems and the perspective on future development in MOFs for separation are provided.</p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 4","pages":"Article 100057"},"PeriodicalIF":25.1,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2021.100057","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3047627","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: 40

Effects of functional supports on efficiency and stability of atomically dispersed noble-metal electrocatalysts 功能载体对原子分散贵金属电催化剂效率和稳定性的影响

IF 25.1

EnergyChem Pub Date : 2021-05-01 DOI: 10.1016/j.enchem.2021.100054

Seongbeen Kim , Jinkyu Park , Jongkook Hwang , Jinwoo Lee

{"title":"Effects of functional supports on efficiency and stability of atomically dispersed noble-metal electrocatalysts","authors":"Seongbeen Kim , Jinkyu Park , Jongkook Hwang , Jinwoo Lee","doi":"10.1016/j.enchem.2021.100054","DOIUrl":"https://doi.org/10.1016/j.enchem.2021.100054","url":null,"abstract":"<div><p>Atomically dispersed metal catalysts (ADCs), particularly of noble metal, have unique catalytic properties such as maximized atom efficiency, high catalytic activity, and superior selectivity. In ADCs, the metal centers are in intimate contact with the support, hence, the support significantly affects the catalytic behavior of the ADCs by participating in reactions, either directly or indirectly. Therefore, for electrocatalytic reactions, thorough understanding of the function of the supports is required in designing effective ADCs with superior activity and stability. In this review, we summarize and discuss the functions of supports in several synthesis strategies and electrocatalytic reactions of atomically dispersed noble-metal catalysts. We outline various synthesis strategies, and identify a need for a suitable design of the support to stabilize the atom-dimension metal structure. Furthermore, we describe (electro)catalysis of ADCs, with focus on support-derived factors that affect the catalytic performance of the ADCs, such as strong metal-support interaction (SMSI), geometric effects of atom-dimension structure, local environment near metal centers, and chemical properties of supports. Finally, we identify current challenges and future prospects of functional supports in ADCs.</p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 3","pages":"Article 100054"},"PeriodicalIF":25.1,"publicationDate":"2021-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2021.100054","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"2775759","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: 16

Turning metal-organic frameworks into efficient single-atom catalysts via pyrolysis with a focus on oxygen reduction reaction catalysts 通过热解将金属有机框架转化为高效的单原子催化剂，重点是氧还原反应催化剂

IF 25.1

EnergyChem Pub Date : 2021-05-01 DOI: 10.1016/j.enchem.2021.100056

Linyu Hu , Wenrui Li , Lu Wang , Bo Wang

{"title":"Turning metal-organic frameworks into efficient single-atom catalysts via pyrolysis with a focus on oxygen reduction reaction catalysts","authors":"Linyu Hu , Wenrui Li , Lu Wang , Bo Wang","doi":"10.1016/j.enchem.2021.100056","DOIUrl":"https://doi.org/10.1016/j.enchem.2021.100056","url":null,"abstract":"<div><p>Single-atom catalysts (SACs) have attracted extensive attention because of their maximal atom utilization, unique electronic structure and high activity. Metal-organic frameworks (MOFs) could be used as perfect self-sacrificed precursors/templates for preparing SACs due to their uniformly distributed and spatially separated metal nodes and organic linkers as well as designable pore structures. Recently, numerous studies have been devoted to utilizing MOFs to prepare SACs through pyrolysis. Herein, this review summarizes the most recent strategies of turning selected MOFs into SACs, focusing on oxygen reduction reaction (ORR) catalysts. First, the inherent metal sites in MOFs are directly turned into single-atom sites <em>via</em> the high-temperature treatment with/without acid etching. Second, additional metal precursors are introduced into MOFs by various methods to further supplement active sites in the obtained SACs. Third, nonmetal heteroatom-rich (<em>i.e.</em>, N, P and S) precursors are combined with MOFs to provide more coordination sites to anchor metal atoms. Finally, perspectives on future opportunities for selecting and designing MOFs as SAC precursors are also proposed.</p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 3","pages":"Article 100056"},"PeriodicalIF":25.1,"publicationDate":"2021-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2021.100056","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"2794836","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: 37

Noble metal-free electrocatalytic materials for water splitting in alkaline electrolyte 碱性电解液水分解用无贵金属电催化材料

IF 25.1

EnergyChem Pub Date : 2021-03-01 DOI: 10.1016/j.enchem.2021.100053

Yingjie Li , Lei Zhou , Shaojun Guo

{"title":"Noble metal-free electrocatalytic materials for water splitting in alkaline electrolyte","authors":"Yingjie Li , Lei Zhou , Shaojun Guo","doi":"10.1016/j.enchem.2021.100053","DOIUrl":"https://doi.org/10.1016/j.enchem.2021.100053","url":null,"abstract":"<div><p><span>Electrochemical water splitting in alkaline media<span><span> provides a promising pathway for sustainable hydrogen production that is enssential for a future </span>hydrogen economy<span><span>. However, the slow reaction rate of hydrogen reaction in alkaline media, and unfavorable kinetics for oxygen evolution reaction have hindered the progress of water splitting technologies for clean hydrogen production. Considering the high price and scarce storage of noble metals which are known as the most effective catalysts for water splitting, it is urgently required to develop non-noble metals based alternatives with highly intrinsic acivity, low price and high tolerance to increase electrocatalytic efficiency and reduce the reaction overpotential from an economic perspective. In this review, we summarize recent research efforts in exploiting advanced transition metal based </span>electrocatalysts<span> with outstanding performance for water splitting catalysis, mainly including transition-metal-based chalcogenides, phosphides, </span></span></span></span>nitrides<span> and carbides<span> as well as single atom catalysts. First, we give a simple description of water splitting mechanism in alkaline media. Then we discuss the promising structural design of transition metal based electrocatalysts for enhancing water splitting, and disclose the underlying relationship between structure and electrocatalytic performance for water splitting with assistance of theoretical simulation. Finally, we provide our personal perspective to highlight the challenges and propose the opportunities for developing transition metal based electrocatalysts for water splitting in alkaline solution.</span></span></p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 2","pages":"Article 100053"},"PeriodicalIF":25.1,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2021.100053","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3047628","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: 52

Enhanced solar-to-chemical energy conversion of graphitic carbon nitride by two-dimensional cocatalysts 二维助催化剂增强氮化石墨碳的太阳能-化学能转换

IF 25.1

EnergyChem Pub Date : 2021-03-01 DOI: 10.1016/j.enchem.2021.100051

Chuanbiao Bie , Bei Cheng , Jiajie Fan , Wingkei Ho , Jiaguo Yu

{"title":"Enhanced solar-to-chemical energy conversion of graphitic carbon nitride by two-dimensional cocatalysts","authors":"Chuanbiao Bie , Bei Cheng , Jiajie Fan , Wingkei Ho , Jiaguo Yu","doi":"10.1016/j.enchem.2021.100051","DOIUrl":"https://doi.org/10.1016/j.enchem.2021.100051","url":null,"abstract":"<div><p>The appropriate band structure endows graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) with benign redox ability and visible light response, resulting in its popularity in photocatalysis. Given the inferior solar-to-chemical (STC) energy conversion of single-component g-C<sub>3</sub>N<sub>4</sub>, loading cocatalysts is serviceable in advancing its photocatalytic activity. In particular, two-dimensional (2D) cocatalysts that could form 2D/2D heterojunctions with g-C<sub>3</sub>N<sub>4</sub> stand out due to several advantages in which the large-area contact interface with g-C<sub>3</sub>N<sub>4</sub> predominates. Herein, the basic information of g-C<sub>3</sub>N<sub>4</sub> was first introduced. Then, representative 2D cocatalysts (<em>e.g.</em>, graphene, graphdiyne, molybdenum disulfide, black phosphorus, and MXenes) used to strengthen the STC energy conversion of g-C<sub>3</sub>N<sub>4</sub> were presented. Afterwards, the foremost achievements of g-C<sub>3</sub>N<sub>4</sub> decorated with 2D cocatalysts in STC energy conversion were described in terms of photocatalytic hydrogen evolution, carbon dioxide reduction, hydrogen peroxide production, and nitrogen fixation. Finally, the future development and challenge of photocatalysts decorated with 2D cocatalysts were prospected. This paper could hopefully deepen the readers’ understanding of 2D cocatalysts in photocatalysis and attach importance to 2D cocatalysts described in this paper and many others not mentioned.</p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 2","pages":"Article 100051"},"PeriodicalIF":25.1,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2021.100051","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"2794837","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: 64

Rechargeable Al-ion batteries 可充电铝离子电池

IF 25.1

EnergyChem Pub Date : 2021-03-01 DOI: 10.1016/j.enchem.2020.100049

Caixia Li , Chun-Chao Hou , Liyu Chen , Stefan Kaskel , Qiang Xu

{"title":"Rechargeable Al-ion batteries","authors":"Caixia Li , Chun-Chao Hou , Liyu Chen , Stefan Kaskel , Qiang Xu","doi":"10.1016/j.enchem.2020.100049","DOIUrl":"https://doi.org/10.1016/j.enchem.2020.100049","url":null,"abstract":"<div><p>Aluminum (Al) is the most abundant metal element in earth crust, together with low cost and high safety. Al-ion batteries (AIBs) have been regarded as potential alternatives to lithium-ion batteries (LIBs) in large scale applications and attracted much attention in current days. In this review, recent developments of AIBs including the electrolyte exploration, electrode design and Al protection are summarized. Both aqueous and non-aqueous electrolytes exhibit important benefits for AIBs, especially ionic liquid electrolytes with high stripping/plating efficiency, which are preferentially discussed here. Furthermore, we highlight the design principles and electrochemical mechanism for carbons, metal compounds as well as new-type positive electrode materials for high-performance AIBs. Besides, we focus on the negative electrode protection with suitable coating layers to reduce dendrite formation and improve electrochemical activation of Al negative electrodes. The accessible characterization techniques that promote the development of AIBs are discussed. Finally, prospects and outlooks of AIBs towards theoretical investigations and practical applications are provided.</p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 2","pages":"Article 100049"},"PeriodicalIF":25.1,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2020.100049","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3163792","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: 34

The rising zinc anodes for high-energy aqueous batteries 用于高能水电池的上升锌阳极

IF 25.1

EnergyChem Pub Date : 2021-03-01 DOI: 10.1016/j.enchem.2021.100052

Lintong Hu , Ping Xiao , Lanlan Xue , Huiqiao Li , Tianyou Zhai

{"title":"The rising zinc anodes for high-energy aqueous batteries","authors":"Lintong Hu , Ping Xiao , Lanlan Xue , Huiqiao Li , Tianyou Zhai","doi":"10.1016/j.enchem.2021.100052","DOIUrl":"https://doi.org/10.1016/j.enchem.2021.100052","url":null,"abstract":"<div><p><span>Aqueous zinc-metal batteries have gained widespread attention because of their high safety, large capacity, cost effectiveness, and environmental friendliness<span>. However, zinc anodes have long encountered with dendrite formation, inferior cycle life and low coulombic efficiency, which severely hinder the practical application. Here, the latest advances of zinc metal anodes for aqueous zinc-metal batteries are reviewed. The merits of zinc metal anodes, the reaction mechanisms in different media, and the issues faced are firstly summarized. Then the prominent progresses of zinc anodes in aqueous media are highlighted, including electrolyte optimization, host construction, interface modification, anode structure design, and working model regulation. Finally, the remaining challenges of zinc anodes are fully discussed, and the future perspectives of pursing stable zinc metal anodes by integrating multi-strategies, conducting in </span></span>situ study<span> of zinc plating/stripping behavior, exploring advanced cathode materials, and developing smart devices are also provided.</span></p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 2","pages":"Article 100052"},"PeriodicalIF":25.1,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2021.100052","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"2640997","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: 59

Catalytic conversion of C1 molecules under mild conditions 温和条件下C1分子的催化转化

IF 25.1

EnergyChem Pub Date : 2021-01-01 DOI: 10.1016/j.enchem.2020.100050

Xiaoju Cui , Rui Huang , Dehui Deng

{"title":"Catalytic conversion of C1 molecules under mild conditions","authors":"Xiaoju Cui , Rui Huang , Dehui Deng","doi":"10.1016/j.enchem.2020.100050","DOIUrl":"https://doi.org/10.1016/j.enchem.2020.100050","url":null,"abstract":"<div><p>C1 catalysis based on the transformation of methane, carbon monoxide, methanol and carbon dioxide offers great potential for the sustainable production of fuels and chemicals in response to the decrease of the energy consumption and plant maintenance. While the relatively inert nature of C<img>H and C<img>O bond (e.g., methane and carbon dioxide) and uncontrollable coupling of C<img>C bond render the selective activation and controllable transformation of C1 molecules to high-value-added products challenging in C1 chemistry. Catalytic conversion of C1 energy molecules under mild conditions enables a better control of the selectivity of the desired products, however, which requires highly active catalysts to lower the reaction energy barriers. Besides designing efficient catalysts to promote C1 molecules conversion, employing electro-catalysis and photo-catalysis to circumvent the thermodynamic limitations is regarded as promising ways for C1 catalysis at low temperatures. Benefiting from the advanced technology for catalyst synthesis, reactor design, mechanism understanding, catalytic conversion of C1 molecules under mild conditions has made significant progress from 2010 to 2020. In this review, we summarized the typical catalytic processes and representative catalysts for transforming methane, carbon monoxide, methanol and carbon dioxide into high value-added chemicals with a reaction temperatures below 200 °C driven by thermo-catalysis, electro-catalysis, and photo-catalysis. Besides, a short perspective is offered to highlight possible future research directions towards C1 molecules conversion under mild conditions. It is expected to provide a useful reference for the readers to design better catalysts and reaction process for mild conversion of C1 molecules efficiently in future.</p></div>","PeriodicalId":307,"journal":{"name":"EnergyChem","volume":"3 1","pages":"Article 100050"},"PeriodicalIF":25.1,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.enchem.2020.100050","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"3246454","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: 32

Covalent organic framework based lithium-ion battery: Fundamental, design and characterization 基于共价有机框架的锂离子电池:基础、设计和表征

IF 25.1

EnergyChem Pub Date : 2021-01-01 DOI: 10.1016/j.enchem.2020.100048

Yiming Hu , Lacey J. Wayment , Catherine Haslam , Xiye Yang , Se-hee Lee , Yinghua Jin , Wei Zhang

引用次数: 56