1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.08.016

Hui Gao , Yan Wang , Zhiyuan Guo , Bin Yu , Guanhua Cheng , Wanfeng Yang , Zhonghua Zhang

{"title":"Dealloying-induced dual-scale nanoporous indium-antimony anode for sodium/potassium ion batteries","authors":"Hui Gao , Yan Wang , Zhiyuan Guo , Bin Yu , Guanhua Cheng , Wanfeng Yang , Zhonghua Zhang","doi":"10.1016/j.jechem.2022.08.016","DOIUrl":"10.1016/j.jechem.2022.08.016","url":null,"abstract":"<div>InSb alloy is a promising candidate for sodium/potassium ion batteries (SIBs/PIBs) but challenged with achieving high performance by dramatic volumetric changes. Herein, nanoporous (np)-InSb with dual-scale phases (cubic/hexagonal (C/H)-InSb) was fabricated by chemical dealloying of ternary Mg-In-Sb precursor. Operando X-ray diffraction (XRD) and ex-situ characterizations well rationalize the dealloying/alloying mechanisms and the formation of dual-scale microstructures/phases. As an anode for SIB/PIBs, the np-InSb electrode exhibits superior reversible capacities and lifespan compared with the monometallic porous (p)-In electrode, stemming from the dealloying-induced dual-scale nanoporous architecture and alloying strategy with proper composition. The operando XRD results demonstrate that the (de)sodiated mechanism of the np-InSb electrode involves a two-step (de)alloying process, while the (de)potassiated mechanism is associated with a full electrochemically-driven amorphization upon cycling. Additionally, the gas evolution during the (dis)charge process was monitored by on-line mass spectrometry.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 154-163"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45840701","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: 6

Modulating of MoSe2 functional plane via doping-defect engineering strategy for the development of conductive and electrocatalytic mediators in Li-S batteries 掺杂缺陷工程策略对MoSe2功能面进行调制，用于Li-S电池中导电和电催化介质的开发

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.09.001

Mohammed A. Al-Tahan , Yutao Dong , Aml E. Shrshr , Xiyang Kang , Hui Guan , Yumiao Han , Zihao Cheng , Weihua Chen , Jianmin Zhang

{"title":"Modulating of MoSe2 functional plane via doping-defect engineering strategy for the development of conductive and electrocatalytic mediators in Li-S batteries","authors":"Mohammed A. Al-Tahan , Yutao Dong , Aml E. Shrshr , Xiyang Kang , Hui Guan , Yumiao Han , Zihao Cheng , Weihua Chen , Jianmin Zhang","doi":"10.1016/j.jechem.2022.09.001","DOIUrl":"10.1016/j.jechem.2022.09.001","url":null,"abstract":"<div>The lithium polysulfide shuttle and sluggish sulfur reaction kinetics still pose significant challenges to lithium-sulfur (Li-S) batteries. The functional plane of Fe-MoSe2@rGO nanohybrid with abundant defects has been designed and applied in Li-S batteries to develop the functional separator and multi-layer sulfur cathode. The cell with a functional separator exhibits a retention capacity of 462 mAh g−1 after the 1000th at 0.5 C and 516 mAh g−1 after the 600th at 0.3 C. Even at low electrolyte conditions (7.0 µL mgsulfur−1 and 15 µL mgsulfur−1) under high sulfur loadings (3.46 mg cm−2 and 3.73 mg cm−2), the cell still presents high reversible discharge capacities 679 and 762 mAh g−1 after 70 cycles, respectively. Further, at sulfur loadings up to 8.26 and 5.2 mg cm−2, the cells assembled with the bi-layers sulfur cathode and the tri-layers sulfur cathode give reversible capacities of 3.3 mAh cm−2 after the 100th cycle and 3.0 mAh cm−2 after the 120th cycle, respectively. This research not only demonstrates that the Fe-MoSe2@rGO functional plane is successfully designed and applied in Li-S batteries with superior electrochemical performances but also paves the novel way for developing a unique multi-layer cathode technique to enhance and advance the electrochemical behavior of Li-S cells at a high-sulfur-loading cathode under lean electrolyte/sulfur (E/S) ratio.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 512-523"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49247522","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: 12

Activation of iridium site by anchoring ruthenium atoms on defects for efficient anodic catalyst in polymer electrolyte membrane water electrolyzers 聚合物电解质膜水电解槽中高效阳极催化剂缺陷上钌原子锚定激活铱位点

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.08.020

Shiqian Du , Ru Chen , Wei Chen , Hongmei Gao , Jianfeng Jia , Zhaohui Xiao , Chao Xie , Hao Li , Li Tao , Jia Huo , Yanyong Wang , Shuangyin Wang

引用次数: 5

Coupling boron-modulated bimetallic oxyhydroxide with photosensitive polymer enable highly-active and ultra-stable seawater splitting 硼调制双金属氢氧化氧与光敏聚合物耦合，实现了高活性、超稳定的海水裂解

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.07.042

Weiju Hao , Chengyu Fu , Yingming Wang , Kui Yin , Hongyuan Yang , Ruotao Yang , Ziliang Chen

{"title":"Coupling boron-modulated bimetallic oxyhydroxide with photosensitive polymer enable highly-active and ultra-stable seawater splitting","authors":"Weiju Hao , Chengyu Fu , Yingming Wang , Kui Yin , Hongyuan Yang , Ruotao Yang , Ziliang Chen","doi":"10.1016/j.jechem.2022.07.042","DOIUrl":"10.1016/j.jechem.2022.07.042","url":null,"abstract":"<div>Seawater photoelectrolysis is showing huge potential in green energy conversion field, yet it is still a formidable challenge to develop one catalyst that can drive the electrolysis reaction stably, economically and efficiently. Motivated by this point, the inorganic–organic hybridization strategy is proposed to in-situ construct one hierarchical electrode via concurrent electroless plating and polymerization, which assures the growth of boron-modulated nickel–cobalt oxyhydroxide nanoballs and photosensitive polyaniline nanochains on the self-supporting Ti-based foil (B-CoNiOOH/PANI@TiO2/Ti). Upon inducing photoelectric effect (PEE), the designed target electrode delivers overpotentials as low as 196 and 398 mV at 100 mA cm−2 for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), respectively, corresponding to an activity enhancement by about 15% as compared to those without PEE. Inspiringly, when served as bifunctional electrocatalysts for overall seawater electrolysis, it can stably maintain at 200 mA cm−2 with negligible decay over 72 h. Further analysis reveals that the exceptional catalytic performance can be credit to the B-CoNiOOH, polyaniline (PANI) and TiO2 subunit coupling-induced physically and chemically synergistic catalysis effect such as admirable composition stability, photoelectric function and adhesion capability. The finding in this contribution may trigger much more broad interest to the novel hybrid catalysts consisting of photosensitive polymer and transition metal-based electrocatalysts.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 26-37"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48844148","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: 12

Ionic covalent organic frameworks with tailored anionic redox chemistry and selective ion transport for high-performance Na-ion cathodes 离子共价有机框架与定制阴离子氧化还原化学和选择离子传输高性能钠离子阴极

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.05.044

Zhongqiu Tong , Hui Wang , Tianxing Kang , Yan Wu , Zhiqiang Guan , Fan Zhang , Yongbing Tang , Chun-Sing Lee

{"title":"Ionic covalent organic frameworks with tailored anionic redox chemistry and selective ion transport for high-performance Na-ion cathodes","authors":"Zhongqiu Tong , Hui Wang , Tianxing Kang , Yan Wu , Zhiqiang Guan , Fan Zhang , Yongbing Tang , Chun-Sing Lee","doi":"10.1016/j.jechem.2022.05.044","DOIUrl":"10.1016/j.jechem.2022.05.044","url":null,"abstract":"<div>Employing cathode materials with multiple redox couples and electrolytes with efficient cation transport kinetics are two effective approaches to improving the electrochemical performance of batteries. In this work, for the first time, we present a design strategy of simultaneously realizing reversible cationic and anionic redox chemistries as well as selective anion/cation transport in the viologen-based COFs (BAV-COF:X, coordinated anions of X = Cl−, Br−, I−, and ClO4−) for high-performance Na-ion cathodes. Besides the cationic redox of viologen segments, the different redox activities of anions effectively tune the total capacities of the COFs. Meanwhile, electrochemical analysis and ab-initial molecular dynamics (AIMD) calculation illustrate that the anion/cation transport kinetics of electrolytes caged in the COFs’ channels can be selectively tuned by the coordinated anions. As a result, combining high-potential Br−/Br2 redox couple, cationic redox of viologen segments, and enhanced Na+ transport kinetics, the BAV-COF:Br− demonstrates stable performance with energy densities of 358.7 and 145.2 Wh kg−1 at power densities of 116.5 and 2124.1 W kg−1, respectively. This study offers new insight into the fabrication of organic cathodes with anionic redox and the advantages of COFs electrode materials in anion/cation transport selectivity for energy storage applications.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 441-447"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45230674","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: 7

Boosting lifespan of conversion-reaction anodes for full/half potassium-ion batteries via multi-dimensional carbon nano-architectures confinement effect 多维碳纳米结构约束效应提高全/半钾离子电池转换反应阳极寿命

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.08.002

Weifang Zhao , Xinyue Xu , Lin Wang , Ying Liu , Tengfei Zhou , Shilin Zhang , Juncheng Hu , Qingqing Jiang

{"title":"Boosting lifespan of conversion-reaction anodes for full/half potassium-ion batteries via multi-dimensional carbon nano-architectures confinement effect","authors":"Weifang Zhao , Xinyue Xu , Lin Wang , Ying Liu , Tengfei Zhou , Shilin Zhang , Juncheng Hu , Qingqing Jiang","doi":"10.1016/j.jechem.2022.08.002","DOIUrl":"10.1016/j.jechem.2022.08.002","url":null,"abstract":"<div>Transition metal selenides are regarded as prospective conversion-reaction anodes for potassium-ion batteries (PIBs) because of their relatively high electrical conductivity, large theoretical specific capacity, abundant resources and low cost. The challenge of the metal selenides originates from a serious volume change during cycling, which induces serious structural collapse and fast capacity degradation. In the present work, the multi-dimensional carbon nano-architectures confined bimetallic selenides (ZnSe/CoSe2@N-CNTs/rGO) were constructed by a facile MOF-assisted strategy. In such special nano-architectures, N-doped CNTs protect the metal selenides centers from serious volume expansion/electrode pulverization, as well as improve the sluggish kinetics. ZnSe/CoSe2@N-CNTs/rGO electrode boosts the lifespan of half PIBs with a large discharge specific capacity of 200 mAh g−1 at 2 A g−1 after 3800 cycles. The full PIBs battery with ZnSe/CoSe2@N-CNTs/rGO electrode as anode and Prussian blue as cathode exhibits well electrochemical performance (151 mAh g−1 at 100 mA g−1 after 100 cycles). DFT calculation suggests that the CNTs could change the K+ adsorption energy and decrease K+ diffusion energy barrier, which dramatically enhances K+ storage kinetics. This work offers an effective material engineering approach for designing hierarchical “all-in-one” electrodes with high excellent cycling stability for PIBs.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 55-65"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47965438","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: 5

The interphasial degradation of 4.2 V-class poly(ethylene oxide)-based solid batteries beyond electrochemical voltage limit 超过电化学电压极限的4.2 v级聚环氧乙烷基固体电池的相间降解

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.06.014

Renzhi Huang , Yang Ding , Fenglin Zhang , Wei Jiang , Canfu Zhang , Pengfei Yan , Min Ling , Huilin Pan

{"title":"The interphasial degradation of 4.2 V-class poly(ethylene oxide)-based solid batteries beyond electrochemical voltage limit","authors":"Renzhi Huang , Yang Ding , Fenglin Zhang , Wei Jiang , Canfu Zhang , Pengfei Yan , Min Ling , Huilin Pan","doi":"10.1016/j.jechem.2022.06.014","DOIUrl":"10.1016/j.jechem.2022.06.014","url":null,"abstract":"<div>Solid-state polymer electrolytes (SPEs) have attracted increasing attention due to good interfacial contact, light weight, and easy manufacturing. However, the practical application of SPEs such as the most widely studied poly(ethylene oxide) (PEO) in high-energy solid polymer batteries is still challenging, and the reasons are yet elusive. Here, it is found that the mismatch between PEO and 4.2 V-class cathodes is beyond the limited electrochemical window of PEO in the solid LiNi1/3Mn1/3Co1/3O2 (NMC)-PEO batteries. The initial oxidation of PEO initiates remarkable surface reconstruction of NMC grains in solid batteries that are different from the situation in liquid electrolytes. Well-aligned nanovoids are observed in NMC grains during the diffusion of surface reconstruction layers towards the bulk in solid batteries. The substantial interphasial degradation, therefore, blocks smooth Li+ transport across the NMC-PEO interface and causes performance degradation. A thin yet effective LiF-containing protection layer on NMC can effectively stabilize the NMC-PEO interface with a greatly improved lifespan of NMC|PEO|Li batteries. This work deepens the understanding of degradations in high-voltage solid-state polymer batteries.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 504-511"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47983700","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: 9

Ternary layered double hydroxide oxygen evolution reaction electrocatalyst for anion exchange membrane alkaline seawater electrolysis 阴离子交换膜碱性海水电解用三元层状双氢氧化物析氧反应电催化剂

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.08.011

Yoo Sei Park , Jae-Yeop Jeong , Myeong Je Jang , Chae-Yeon Kwon , Geul Han Kim , Jaehoon Jeong , Ji-hoon Lee , Jooyoung Lee , Sung Mook Choi

{"title":"Ternary layered double hydroxide oxygen evolution reaction electrocatalyst for anion exchange membrane alkaline seawater electrolysis","authors":"Yoo Sei Park , Jae-Yeop Jeong , Myeong Je Jang , Chae-Yeon Kwon , Geul Han Kim , Jaehoon Jeong , Ji-hoon Lee , Jooyoung Lee , Sung Mook Choi","doi":"10.1016/j.jechem.2022.08.011","DOIUrl":"10.1016/j.jechem.2022.08.011","url":null,"abstract":"<div>Anion exchange membrane (AEM) water electrolyzers are promising energy devices for the production of clean hydrogen from seawater. However, the lack of active and robust electrocatalysts for the oxygen evolution reaction (OER) severely impedes the development of this technology. In this study, a ternary layered double hydroxide (LDH) OER electrocatalyst (NiFeCo-LDH) is developed for high-performance AEM alkaline seawater electrolyzers. The AEM alkaline seawater electrolyzer catalyzed by the NiFeCo-LDH shows high seawater electrolysis performance (0.84 A/cm2 at 1.7 Vcell) and high hydrogen production efficiency (77.6% at 0.5 A/cm2), thus outperforming an electrolyzer catalyzed by a benchmark IrO2 electrocatalyst. The NiFeCo-LDH electrocatalyst greatly improves the kinetics of the AEM alkaline seawater electrolyzer, consequently reducing its activation loss and leading to high performance. Based on the results, this NiFeCo-LDH-catalyzed AEM alkaline seawater electrolyzer can likely surpass the energy conversion targets of the US Department of Energy.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 127-134"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46178268","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: 20

Enhancing carrier transport in flexible CZTSSe solar cells via doping Li strategy 掺杂Li策略增强柔性CZTSSe太阳能电池中的载流子输运

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.07.031

Qiong Yan , Quanzhen Sun , Hui Deng , Weihao Xie , Caixia Zhang , Jionghua Wu , Qiao Zheng , Shuying Cheng

{"title":"Enhancing carrier transport in flexible CZTSSe solar cells via doping Li strategy","authors":"Qiong Yan , Quanzhen Sun , Hui Deng , Weihao Xie , Caixia Zhang , Jionghua Wu , Qiao Zheng , Shuying Cheng","doi":"10.1016/j.jechem.2022.07.031","DOIUrl":"10.1016/j.jechem.2022.07.031","url":null,"abstract":"<div>The passivation of non-radiative states and inhibition of band tailings are desirable for improving the open-circuit voltage (Voc) of CZTSSe thin-film solar cells. Recently, alkali metal doping has been investigated to passivate defects in CZTSSe films. Herein, we investigate Li doping effects by applying LiOH into CZTSSe precursor solutions, and verify that carrier transport is enhanced in the CZTSSe solar cells. Systematic characterizations demonstrate that Li doping can effectively passivate non-radiative recombination centers and reduce band tailings of the CZTSSe films, leading to the decrease in total defect density and the increase in separation distance between donor and acceptor. Fewer free carriers are trapped in the band tail states, which speeds up carrier transport and reduces the probability of deep-level defects capturing carriers. The charge recombination lifetime is about twice as long as that of the undoped CZTSSe device, implying the heterojunction interface recombination is also inhibited. Besides, Li doping can increase carrier concentration and enhance build-in voltage, leading to a better carrier collection. By adjusting the Li/(Li + Cu) ratio to 18%, the solar cell efficiency is increased significantly to 9.68% with the fill factor (FF) of 65.94%, which is the highest FF reported so far for the flexible CZTSSe solar cells. The increased efficiency is mainly attributed to the reduction of Voc deficit and the improved CZTSSe/CdS junction quality. These results open up a simple route to passivate non-radiative states and reduce the band tailings of the CZTSSe films and improve the efficiency of the flexible CZTSSe solar cells.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 8-15"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2095495622004090/pdfft?md5=326e975bda33c307d68bc3c8bb34bea9&pid=1-s2.0-S2095495622004090-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47955003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Flexible PEDOT:PSS nanopapers as “anion-cation regulation” synergistic interlayers enabling ultra-stable aqueous zinc-iodine batteries 柔性PEDOT:PSS纳米纸作为“阴离子-阳离子调节”协同中间层，实现超稳定的水锌-碘电池

1区化学

能源化学 Pub Date : 2022-12-01 DOI: 10.1016/j.jechem.2022.08.026

Ying Zhang , Tianyu Zhao , Shanchen Yang , Yaxin Zhang , Yue Ma , Zhaohui Wang

{"title":"Flexible PEDOT:PSS nanopapers as “anion-cation regulation” synergistic interlayers enabling ultra-stable aqueous zinc-iodine batteries","authors":"Ying Zhang , Tianyu Zhao , Shanchen Yang , Yaxin Zhang , Yue Ma , Zhaohui Wang","doi":"10.1016/j.jechem.2022.08.026","DOIUrl":"10.1016/j.jechem.2022.08.026","url":null,"abstract":"<div>Aqueous zinc-iodine (Zn-I2) batteries are promising candidates for low-cost grid-scale energy storage systems. However, the long-term stability and energy density of the Zn-I2 batteries are largely hindered by the lack of feasible and scalable methods that coherently suppress polyiodide shuttling and Zn dendrites growth, especially at high current densities. Herein, a flexible, thin and lightweight poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) nanopaper is designed as an “anion-cation regulation” synergistic interlayer to tackle the above issues. The PEDOT:PSS interlayer exhibits a 3D nanofibrous network with uniformly distributed mesopores, abundant polar groups and intrinsic conductivity, which renders an even Zn2+ flux at Zn anode and facilitates homogeneous current distributions at I2 cathode. Meanwhile, such interlayer can act as physiochemical shield to enhance the utilization of I2 cathode via the coulombic repulsion and chemical adsorption effect against polyiodide shuttling. Thus, long-term dendrite-free Zn plating/stripping is achieved at simultaneous high current density and high areal capacity (550 h at 10 mA cm−2/5 mAh cm−2). Zn-I2 batteries harvest a high capacity (230 mAh g−1 at 0.1 A g−1) and an ultralong lifespan (>20000 cycles) even at 10 A g−1. This work demonstrates the potential use of the multifunctional interlayers for Zn-I2 battery configuration innovation by synergistic regulation of cations and anions at the electrodes/electrolyte interface.</div>","PeriodicalId":67498,"journal":{"name":"能源化学","volume":"75 ","pages":"Pages 310-320"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41656782","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: 12

能源化学最新文献