IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-10-31 DOI: 10.1016/j.jechem.2023.10.029

Yang Li , Yong-Cheng Zhu , Sowjanya Vallem , Man Li , Seunghyun Song , Tao Chen , Long-Cheng Tang , Joonho Bae

{"title":"Flame-retardant ammonium polyphosphate/MXene decorated carbon foam materials as polysulfide traps for fire-safe and stable lithium-sulfur batteries","authors":"Yang Li , Yong-Cheng Zhu , Sowjanya Vallem , Man Li , Seunghyun Song , Tao Chen , Long-Cheng Tang , Joonho Bae","doi":"10.1016/j.jechem.2023.10.029","DOIUrl":"10.1016/j.jechem.2023.10.029","url":null,"abstract":"<div>Lithium-sulfur (Li-S) batteries are one of the most promising modern-day energy supply systems because of their high theoretical energy density and low cost. However, the development of high-energy density Li-S batteries with high loading of flammable sulfur faces the challenges of electrochemical performance degradation owing to the shuttle effect and safety issues related to fire or explosion accidents. In this work, we report a three-dimensional (3D) conductive nitrogen-doped carbon foam supported electrostatic self-assembled MXene-ammonium polyphosphate (NCF-MXene-APP) layer as a heat-resistant, thermally-insulated, flame-retardant, and freestanding host for Li-S batteries with a facile and cost-effective synthesis method. Consequently, through the use of NCF-MXene-APP hosts that strongly anchor polysulfides, the Li-S batteries demonstrate outstanding electrochemical properties, including a high initial discharge capacity of 1191.6 mA h g−1, excellent rate capacity of 755.0 mA h g−1 at 1 C, and long-term cycling stability with an extremely low-capacity decay rate of 0.12% per cycle at 2 C. More importantly, these batteries can continue to operate reliably under high temperature or flame attack conditions. Thus, this study provides valuable insights into the design of safe high-performance Li-S batteries.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 313-323"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136127368","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

Metal-organic frameworks and their composites for advanced lithium-ion batteries: Synthesis, progress and prospects 先进锂离子电池用金属有机骨架及其复合材料:合成、进展与展望

IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-10-17 DOI: 10.1016/j.jechem.2023.10.006

Chengcai Liu , Borong Wu , Tao Liu , Yuanxing Zhang , Jingwen Cui , Lingjun Huang , Guoqiang Tan , Ling Zhang , Yuefeng Su , Feng Wu

{"title":"Metal-organic frameworks and their composites for advanced lithium-ion batteries: Synthesis, progress and prospects","authors":"Chengcai Liu , Borong Wu , Tao Liu , Yuanxing Zhang , Jingwen Cui , Lingjun Huang , Guoqiang Tan , Ling Zhang , Yuefeng Su , Feng Wu","doi":"10.1016/j.jechem.2023.10.006","DOIUrl":"10.1016/j.jechem.2023.10.006","url":null,"abstract":"<div>Metal-organic frameworks (MOFs) are among the most promising materials for lithium-ion batteries (LIBs) owing to their high surface area, periodic porosity, adjustable pore size, and controllable chemical composition. For instance, their unique porous structures promote electrolyte penetration, ions transport, and make them ideal for battery separators. Regulating the chemical composition of MOF can introduce more active sites for electrochemical reactions. Therefore, MOFs and their related composites have been extensively and thoroughly explored for LIBs. However, the reported reviews solely include the applications of MOFs in the electrode materials of LIBs and rarely involve other aspects. A systematic review of the application of MOFs in LIBs is essential for understanding the mechanism of MOFs and better designing related MOFs battery materials. This review systematically evaluates the latest developments in pristine MOFs and MOF composites for LIB applications, including MOFs as the main materials (anode, cathode, separators, and electrolytes) to auxiliary materials (coating layers and additives for electrodes). Furthermore, the synthesis, modification methods, challenges, and prospects for the application of MOFs in LIBs are discussed.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 449-470"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135761672","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

Revisiting aluminum current collector in lithium-ion batteries: Corrosion and countermeasures 锂离子电池中的铝集流器:腐蚀与对策

IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-10-12 DOI: 10.1016/j.jechem.2023.09.036

Shanglin Yang, Jinyan Zhong, Songmei Li, Bin Li

{"title":"Revisiting aluminum current collector in lithium-ion batteries: Corrosion and countermeasures","authors":"Shanglin Yang, Jinyan Zhong, Songmei Li, Bin Li","doi":"10.1016/j.jechem.2023.09.036","DOIUrl":"10.1016/j.jechem.2023.09.036","url":null,"abstract":"<div>With the large-scale service of lithium-ion batteries (LIBs), their failures have attracted significant attentions. While the decay of active materials is the primary cause for LIB failures, the degradation of auxiliary materials, such as current collector corrosion, should not be disregarded. Therefore, it is necessary to conduct a comprehensive review in this field. In this review, from the perspectives of electrochemistry and materials, we systematically summarize the corrosion behavior of aluminum cathode current collector and propose corresponding countermeasures. Firstly, the corrosion type is clarified based on the properties of passivation layers in different organic electrolyte components. Furthermore, a thoroughgoing analysis is presented to examine the impact of various factors on aluminum corrosion, including lithium salts, organic solvents, water impurities, and operating conditions. Subsequently, strategies for electrolyte and protection layer employed to suppress corrosion are discussed in detail. Lastly and most importantly, we provide insights and recommendations to prevent corrosion of current collectors, facilitate the development of advanced current collectors and the implementation of next-generation high-voltage stable LIBs.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 610-634"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135662568","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

Emerging perovskite materials for supercapacitors: Structure, synthesis, modification, advanced characterization, theoretical calculation and electrochemical performance 新型超级电容器用钙钛矿材料:结构、合成、改性、高级表征、理论计算和电化学性能

1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-10-31 DOI: 10.1016/j.jechem.2023.10.028

Yuehua Qian, Qingqing Ruan, Mengda Xue, Lingyun Chen

{"title":"Emerging perovskite materials for supercapacitors: Structure, synthesis, modification, advanced characterization, theoretical calculation and electrochemical performance","authors":"Yuehua Qian, Qingqing Ruan, Mengda Xue, Lingyun Chen","doi":"10.1016/j.jechem.2023.10.028","DOIUrl":"https://doi.org/10.1016/j.jechem.2023.10.028","url":null,"abstract":"<div>As a new generation electrode materials for energy storage, perovskites have attracted wide attention because of their unique crystal structure, reversible active sites, rich oxygen vacancies, and good stability. In this review, the design and engineering progress of perovskite materials for supercapacitors (SCs) in recent years is summarized. Specifically, the review will focus on four types of perovskites, perovskite oxides, halide perovskites, fluoride perovskites, and multi-perovskites, within the context of their intrinsic structure and corresponding electrochemical performance. A series of experimental variables, such as synthesis, crystal structure, and electrochemical reaction mechanism, will be carefully analyzed by combining various advanced characterization techniques and theoretical calculations. The applications of these materials as electrodes are then featured for various SCs. Finally, we look forward to the prospects and challenges of perovskite-type SCs electrodes, as well as the future research direction.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 41-70"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134688584","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

“Buckets effect” in the kinetics of electrocatalytic reactions 电催化反应动力学中的“桶效应”

IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-10-20 DOI: 10.1016/j.jechem.2023.09.051

Haowen Cui, Yan-Xia Chen

{"title":"“Buckets effect” in the kinetics of electrocatalytic reactions","authors":"Haowen Cui, Yan-Xia Chen","doi":"10.1016/j.jechem.2023.09.051","DOIUrl":"10.1016/j.jechem.2023.09.051","url":null,"abstract":"<div>In this study, we systematically investigated the effect of proton concentration on the kinetics of the oxygen reduction reaction (ORR) on Pt(111) in acidic solutions. Experimental results demonstrate a rectangular hyperbolic relationship, i.e., the ORR current excluding the effect of other variables increases with proton concentration and then tends to a constant value. We consider that this is caused by the limitation of ORR kinetics by the trace oxygen concentration in the solution, which determines the upper limit of ORR kinetics. A model of effective concentration is further proposed for rectangular hyperbolic relationships: when the reactant concentration is high enough to reach a critical saturation concentration, the effective reactant concentration will become a constant value. This could be due to the limited concentration of a certain reactant for reactions involving more than one reactant or the limited number of active sites available on the catalyst. Our study provides new insights into the kinetics of electrocatalytic reactions, and it is important for the proper evaluation of catalyst activity and the study of structure-performance relationships.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 388-396"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136009588","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

Templated synthesis of transition metal phosphide electrocatalysts for oxygen and hydrogen evolution reactions 模板化合成出氧、出氢过渡金属磷化物电催化剂

IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-11-08 DOI: 10.1016/j.jechem.2023.10.044

Rose Anne Acedera , Alicia Theresse Dumlao , DJ Donn Matienzo , Maricor Divinagracia , Julie Anne Paraggua , Po-Ya Abel Chuang , Joey Ocon

{"title":"Templated synthesis of transition metal phosphide electrocatalysts for oxygen and hydrogen evolution reactions","authors":"Rose Anne Acedera , Alicia Theresse Dumlao , DJ Donn Matienzo , Maricor Divinagracia , Julie Anne Paraggua , Po-Ya Abel Chuang , Joey Ocon","doi":"10.1016/j.jechem.2023.10.044","DOIUrl":"10.1016/j.jechem.2023.10.044","url":null,"abstract":"<div>Transition metal phosphides (TMPs) have been regarded as alternative hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) catalysts owing to their comparable activity to those of noble metal-based catalysts. TMPs have been produced in various morphologies, including hollow and porous nanostructures, which are features deemed desirable for electrocatalytic materials. Templated synthesis routes are often responsible for such morphologies. This paper reviews the latest advances and existing challenges in the synthesis of TMP-based OER and HER catalysts through templated methods. A comprehensive review of the structure–property–performance of TMP-based HER and OER catalysts prepared using different templates is presented. The discussion proceeds according to application, first by HER and further divided among the types of templates used—from hard templates, sacrificial templates, and soft templates to the emerging dynamic hydrogen bubble template. OER catalysts are then reviewed and grouped according to their morphology. Finally, prospective research directions for the synthesis of hollow and porous TMP-based catalysts, such as improvements on both activity and stability of TMPs, design of environmentally benign templates and processes, and analysis of the reaction mechanism through advanced material characterization techniques and theoretical calculations, are suggested.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 646-669"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135515659","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

Interfacial built-in electric field and crosslinking pathways enabling WS2/Ti3C2Tx heterojunction with robust sodium storage at low temperature 界面内置电场和交联通路使WS2/Ti3C2Tx异质结在低温下具有强大的钠储存能力

IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-11-02 DOI: 10.1016/j.jechem.2023.10.037

Jiabao Li , Shaocong Tang , Jingjing Hao , Quan Yuan , Tianyi Wang , Likun Pan , Jinliang Li , Shenbo Yang , Chengyin Wang

{"title":"Interfacial built-in electric field and crosslinking pathways enabling WS2/Ti3C2Tx heterojunction with robust sodium storage at low temperature","authors":"Jiabao Li , Shaocong Tang , Jingjing Hao , Quan Yuan , Tianyi Wang , Likun Pan , Jinliang Li , Shenbo Yang , Chengyin Wang","doi":"10.1016/j.jechem.2023.10.037","DOIUrl":"10.1016/j.jechem.2023.10.037","url":null,"abstract":"<div>Developing efficient energy storage for sodium-ion batteries (SIBs) by creating high-performance heterojunctions and understanding their interfacial interaction at the atomic/molecular level holds promise but is also challenging. Besides, sluggish reaction kinetics at low temperatures restrict the operation of SIBs in cold climates. Herein, cross-linking nanoarchitectonics of WS2/Ti3C2Tx heterojunction, featuring built-in electric field (BIEF), have been developed, employing as a model to reveal the positive effect of heterojunction design and BIEF for modifying the reaction kinetics and electrochemical activity. Particularly, the theoretical analysis manifests the discrepancy in work functions leads to the electronic flow from the electron-rich Ti3C2Tx to layered WS2, spontaneously forming the BIEF and “ion reservoir” at the heterogeneous interface. Besides, the generation of cross-linking pathways further promotes the transportation of electrons/ions, which guarantees rapid diffusion kinetics and excellent structure coupling. Consequently, superior sodium storage performance is obtained for the WS2/Ti3C2Tx heterojunction, with only 0.2% decay per cycle at 5.0 A g−1 (25 °C) up to 1000 cycles and a high capacity of 293.5 mA h g−1 (0.1 A g−1 after 100 cycles) even at −20 °C. Importantly, the spontaneously formed BIEF, accompanied by “ion reservoir”, in heterojunction provides deep understandings of the correlation between structure fabricated and performance obtained.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 635-645"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135410225","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

Suppression of Co(II) ion deposition and hazards: Regulation of SEI film composition and structure 抑制Co(II)离子沉积及其危害:SEI薄膜组成和结构的调控

IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-11-10 DOI: 10.1016/j.jechem.2023.10.051

Jiaqi Zhan, Mingzhu Liu, Yutian Xie, Jiarong He, Hebing Zhou, Lidan Xing, Weishan Li

{"title":"Suppression of Co(II) ion deposition and hazards: Regulation of SEI film composition and structure","authors":"Jiaqi Zhan, Mingzhu Liu, Yutian Xie, Jiarong He, Hebing Zhou, Lidan Xing, Weishan Li","doi":"10.1016/j.jechem.2023.10.051","DOIUrl":"10.1016/j.jechem.2023.10.051","url":null,"abstract":"<div>Despite the presence of LiF components in the solid electrolyte interphase (SEI) formed on the graphite anode surface by conventional electrolyte, these LiF components primarily exist in an amorphous state, rendering them incapable of effectively inhibiting the exchange reaction between lithium ions and transition metal ions in the electrolyte. Consequently, nearly all lithium ions within the SEI film are replaced by transition metal ions, resulting in an increase in interphacial impedance and a decrease in stability. Herein, we demonstrate that the SEI film, constructed by fluoroethylene carbonate (FEC) additive rich in crystalline LiF, effectively inhibits the undesired Li+/Co2+ ion exchange reaction, thereby suppressing the deposition of cobalt compounds and metallic cobalt. Furthermore, the deposited cobalt compounds exhibit enhanced structural stability and reduced catalytic activity with minimal impact on the interphacial stability of the graphite anode. Our findings reveal the crucial influence of SEI film composition and structure on the deposition and hazards associated with transition metal ions, providing valuable guidance for designing next-generation electrolytes.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 259-265"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135609009","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

Stable multi-electron reaction stimulated by W doping VS4 for enhancing magnesium storage performance W掺杂VS4激发稳定多电子反应，提高镁储存性能

1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-11-07 DOI: 10.1016/j.jechem.2023.10.042

Yuxin Tian , Jiankang Chen , Guofeng Wang , Bing Sun , Alan Meng , Lei Wang , Guicun Li , Jianfeng Huang , Shiqi Ding , Zhenjiang Li

{"title":"Stable multi-electron reaction stimulated by W doping VS4 for enhancing magnesium storage performance","authors":"Yuxin Tian , Jiankang Chen , Guofeng Wang , Bing Sun , Alan Meng , Lei Wang , Guicun Li , Jianfeng Huang , Shiqi Ding , Zhenjiang Li","doi":"10.1016/j.jechem.2023.10.042","DOIUrl":"10.1016/j.jechem.2023.10.042","url":null,"abstract":"<div>Rechargeable magnesium batteries (RMBs) hold promise for offering higher volumetric energy density and safety features, attracting increasing research interest as the next post lithium-ion batteries. Developing high performance cathode material by inducing multi-electron reaction process as well as maintaining structural stability is the key to the development and application of RMBs. Herein, multi-electron reaction occurred in VS4 by simple W doping strategy. W doping induces valence of partial V as V2+ and V3+ in VS4 structure, and then stimulates electrochemical reaction involving multi-electrons in 0.5% W-V-S. The flower-like microsphere morphology as well as rich S vacancies is also modulated by W doping to neutralize structure change in such multi-electron reaction process. The fabricated 0.5% W-V-S delivers higher specific capacity (149.3 mA h g−1 at 50 mA g−1, which is 1.6 times higher than that of VS4), superior rate capability (76 mA h g−1 at 1000 mA g−1), and stable cycling performance (1500 cycles with capacity retention ratio of 93.8%). Besides that, pesudocapaticance-like contribution analysis as well as galvanostatic intermittent titration technique (GITT) further confirms the enhanced Mg2+ storage kinetics during such multi-electron involved electrochemical reaction process. Such discovery provides new insights into the designing of multi-electron reaction process in cathode as well as neutralizing structural change during such reaction for realizing superior electrochemical performance in energy storage devices.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 89-98"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135509701","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

Multifunctional AlPO4 reconstructed LiMn2O4 surface for electrochemical lithium extraction from brine 多功能AlPO4重构LiMn2O4表面，用于电化学盐水提锂

IF 13.1 1区化学

能源化学 Pub Date : 2024-02-01 Epub Date: 2023-10-16 DOI: 10.1016/j.jechem.2023.10.005

Jun Gu , Linlin Chen , Xiaowei Li , Guiling Luo , Linjing Fan , Yanhong Chao , Haiyan Ji , Wenshuai Zhu

{"title":"Multifunctional AlPO4 reconstructed LiMn2O4 surface for electrochemical lithium extraction from brine","authors":"Jun Gu , Linlin Chen , Xiaowei Li , Guiling Luo , Linjing Fan , Yanhong Chao , Haiyan Ji , Wenshuai Zhu","doi":"10.1016/j.jechem.2023.10.005","DOIUrl":"10.1016/j.jechem.2023.10.005","url":null,"abstract":"<div>LiMn2O4 (LMO) electrochemical lithium-ion pump has gained widespread attention due to its green, high efficiency, and low energy consumption in selectively extracting lithium from brine. However, collapse of crystal structure and loss of lithium extraction capacity caused by Mn dissolution loss limits its industrialized application. Hence, a multifunctional coating was developed by depositing amorphous AlPO4 on the surface of LMO using sol-gel method. The characterization and electrochemical performance test provided insights into the mechanism of Li+ embedment and de-embedment and revealed that multifunctional AlPO4 can reconstruct the physical and chemical state of LMO surface to improve the interface hydrophilicity, promote the transport of Li+, strengthen cycle stability. Remarkably, after 20 cycles, the capacity retention rate of 0.5AP-LMO reached 93.6% with only 0.147% Mn dissolution loss. The average Li+ release capacity of 0.5AP-LMO//Ag system in simulated brine is 28.77 mg/(g h), which is 90.4% higher than LMO. Encouragingly, even in the more complex Zabuye real brine, 0.5AP-LMO//Ag can still maintain excellent lithium extraction performance. These results indicate that the 0.5AP-LMO//Ag lithium-ion pump shows promising potential as a Li+ selective extraction system.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"89 ","pages":"Pages 410-421"},"PeriodicalIF":13.1,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135762619","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

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