Journal of Energy Chemistry最新文献

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A review of over-discharge protection through prelithiation in working lithium-ion batteries 工作锂离子电池中通过预锂化实现过放电保护的综述
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-10 DOI: 10.1016/j.jechem.2024.09.050
Hanchen Wang , Yingtian Liu , Mingze Jiang , Qiang Zhang
{"title":"A review of over-discharge protection through prelithiation in working lithium-ion batteries","authors":"Hanchen Wang ,&nbsp;Yingtian Liu ,&nbsp;Mingze Jiang ,&nbsp;Qiang Zhang","doi":"10.1016/j.jechem.2024.09.050","DOIUrl":"10.1016/j.jechem.2024.09.050","url":null,"abstract":"<div><div>The demand for high safety and high reliability lithium-ion batteries (LIBs) is strongly considered for practical applications. However, due to their inherent self-discharge properties or abuse, LIBs face the threat of over-discharge, which induces premature end of life and increased risk of thermal runaway. In addition, a strong demand for batteries with zero-volt storage is strongly considered for aerospace and implantable medical devices. In this review, we firstly introduce the necessity and the importance of over-discharge and zero-volt protection for LIBs. The mechanism of damage to the Cu current collectors and SEI induced by potential changes during over-discharge is presented. The current over-discharge protection strategies based on whether the zero-crossing potential of the electrodes is summarized. Finally, the fresh insights into the material design of cathode prelithiation additives are presented from the perspective of over-discharge protection.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 437-452"},"PeriodicalIF":13.1,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552557","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
Exploring catalyst developments in heterogeneous CO2 hydrogenation to methanol and ethanol: A journey through reaction pathways 探索异相二氧化碳加氢制甲醇和乙醇的催化剂发展:反应路径之旅
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-10 DOI: 10.1016/j.jechem.2024.08.069
Rasoul Salami , Yimin Zeng , Xue Han , Sohrab Rohani , Ying Zheng
{"title":"Exploring catalyst developments in heterogeneous CO2 hydrogenation to methanol and ethanol: A journey through reaction pathways","authors":"Rasoul Salami ,&nbsp;Yimin Zeng ,&nbsp;Xue Han ,&nbsp;Sohrab Rohani ,&nbsp;Ying Zheng","doi":"10.1016/j.jechem.2024.08.069","DOIUrl":"10.1016/j.jechem.2024.08.069","url":null,"abstract":"<div><div>The pursuit of alternative fuel generation technologies has gained momentum due to the diminishing reserves of fossil fuels and global warming from increased CO<sub>2</sub> emission. Among the proposed methods, the hydrogenation of CO<sub>2</sub> to produce marketable carbon-based products like methanol and ethanol is a practical approach that offers great potential to reduce CO<sub>2</sub> emissions. Although significant volumes of methanol are currently produced from CO<sub>2</sub>, developing highly efficient and stable catalysts is crucial for further enhancing conversion and selectivity, thereby reducing process costs. An in-depth examination of the differences and similarities in the reaction pathways for methanol and ethanol production highlights the key factors that drive C–C coupling. Identifying these factors guides us toward developing more effective catalysts for ethanol synthesis. In this paper, we explore how different catalysts, through the production of various intermediates, can initiate the synthesis of methanol or ethanol. The catalytic mechanisms proposed by spectroscopic techniques and theoretical calculations, including operando X-ray methods, FTIR analysis, and DFT calculations, are summarized and presented. The following discussion explores the structural properties and composition of catalysts that influence C–C coupling and optimize the conversion rate of CO<sub>2</sub> into ethanol. Lastly, the review examines recent catalysts employed for selective methanol and ethanol production, focusing on single-atom catalysts.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 345-384"},"PeriodicalIF":13.1,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552551","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: 0
Understanding the iodine electrochemical behaviors in aqueous zinc batteries 了解锌水电池中的碘电化学行为
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-05 DOI: 10.1016/j.jechem.2024.09.049
Xuefang Xie , Xiaoxin Xu , Shuquan Liang , Guozhao Fang
{"title":"Understanding the iodine electrochemical behaviors in aqueous zinc batteries","authors":"Xuefang Xie ,&nbsp;Xiaoxin Xu ,&nbsp;Shuquan Liang ,&nbsp;Guozhao Fang","doi":"10.1016/j.jechem.2024.09.049","DOIUrl":"10.1016/j.jechem.2024.09.049","url":null,"abstract":"<div><div>Iodine is widely used in aqueous zinc batteries (ZBs) due to its abundant resources, low cost, and active redox reactions. In addition to the active material in zinc-iodine batteries, iodine also plays an important role in other ZBs, such as regulating the electrochemical behavior of zinc ions, promoting the reaction kinetic and reversibility of other redox pairs, catalytic behaviors related to iodine reactions, coupling with other halogen ions, shuttle behaviors of polyiodides, etc. However, there is currently a lack of comprehensive discussion on these aspects. Here, this review provides a comprehensive overview of the electrochemical behaviors of iodide in the aqueous ZBs. The effect of iodine ions on the Zn<sup>2+</sup> desolvation behaviors and the interfacial behaviors of Zn anode was summarized. Iodine redox pairs boosting other redox pairs, such as MnO<sub>2</sub>/Mn<sup>2+</sup> redox pair and vanadium redox pair to obtain high reversibility and capacity was also discussed. Moreover, the catalytic behaviors related to iodine reactions in aqueous ZBs, synergistic reaction with other halogen ions and suppression of shuttle behaviors for high performance zinc-iodine batteries were systematically analyzed. Finally, future prospects for designing effective iodine electrochemical behaviors with practicability are proposed, which will provide scientific guidance for the practical application of iodine-related aqueous ZBs.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 402-415"},"PeriodicalIF":13.1,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552554","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
MOF-derived Ni3Fe/Ni/NiFe2O4@C for enhanced hydrogen storage performance of MgH2 MOF 衍生的 Ni3Fe/Ni/NiFe2O4@C,用于提高 MgH2 的储氢性能
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-04 DOI: 10.1016/j.jechem.2024.09.048
Yangping Chen , Bolin Sun , Guoqing Zhang , Siyuan Ni , Canbing Li , Juxiong Tian , Yanrui Zhang , Xinxi Li
{"title":"MOF-derived Ni3Fe/Ni/NiFe2O4@C for enhanced hydrogen storage performance of MgH2","authors":"Yangping Chen ,&nbsp;Bolin Sun ,&nbsp;Guoqing Zhang ,&nbsp;Siyuan Ni ,&nbsp;Canbing Li ,&nbsp;Juxiong Tian ,&nbsp;Yanrui Zhang ,&nbsp;Xinxi Li","doi":"10.1016/j.jechem.2024.09.048","DOIUrl":"10.1016/j.jechem.2024.09.048","url":null,"abstract":"<div><div>Magnesium hydride (MgH<sub>2</sub>) is an important material for hydrogen (H<sub>2</sub>) storage and transportation owing to its high capacity and reversibility. However, its intrinsic properties have considerably limited its industrial application. In this study, the NiFe-800 catalyst as metal-organic framework (MOF) derivative was first utilized to promote the intrinsic properties of MgH<sub>2</sub>. Compared to pure MgH<sub>2</sub>, which releases 1.24 wt% H<sub>2</sub> in 60 min at 275 °C, the MgH<sub>2</sub>-10 NiFe-800 composite releases 5.85 wt% H<sub>2</sub> in the same time. Even at a lower temperature of 250 °C, the MgH<sub>2</sub>-10 NiFe-800 composite releases 3.57 wt% H<sub>2</sub>, surpassing the performance of pure MgH<sub>2</sub> at 275 °C. Correspondingly, while pure MgH<sub>2</sub> absorbs 2.08 wt% H<sub>2</sub> in 60 min at 125 °C, the MgH<sub>2</sub>-10 NiFe-800 composite absorbs 5.35 wt% H<sub>2</sub> in just 1 min. Remarkably, the MgH<sub>2</sub>-10 NiFe-800 composite absorbs 2.27 wt% H<sub>2</sub> in 60 min at 50 °C and 4.64 wt% H<sub>2</sub> at 75 °C. This indicates that MgH<sub>2</sub>-10 NiFe-800 exhibits optimum performance with excellent kinetics at low temperatures. Furthermore, the capacity of the MgH<sub>2</sub>-10 NiFe-800 composite remains largely stable after 10 cycles. Moreover, the Mg<sub>2</sub>Ni/Mg<sub>2</sub>NiH<sub>4</sub> acts as a “hydrogen pump”, providing effective diffusion channels that enhance the kinetic process of the composite during cycling. Additionally, Fe<sup>0</sup> facilitates electron transfer and creates hydrogen diffusion channels and catalytic sites. Finally, carbon (C) effectively prevents particle agglomeration and maintains the cyclic stability of the composites. Consequently, the synergistic effects of Mg<sub>2</sub>Ni/Mg<sub>2</sub>NiH<sub>4</sub>, Fe<sup>0</sup>, and C considerably improve the kinetic properties and cycling stability of MgH<sub>2</sub>. This work offers an effective and valuable approach to improving the hydrogen storage efficiency in the commercial application of MgH<sub>2</sub>.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 333-344"},"PeriodicalIF":13.1,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552664","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
A seaweed-inspired separator for high performance Zn metal batteries: Boosting kinetics and confining side-reactions 用于高性能锌金属电池的海藻启发式隔膜:促进动力学和限制副反应
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-04 DOI: 10.1016/j.jechem.2024.09.047
Qianzhi Gou , Horan Luo , Long Qu , Feilin Yu , Kaixin Wang , Sida Zhang , Ziga Luogu , Ben Zhang , Yujie Zheng , Bingye Song , John Wang , Meng Li
{"title":"A seaweed-inspired separator for high performance Zn metal batteries: Boosting kinetics and confining side-reactions","authors":"Qianzhi Gou ,&nbsp;Horan Luo ,&nbsp;Long Qu ,&nbsp;Feilin Yu ,&nbsp;Kaixin Wang ,&nbsp;Sida Zhang ,&nbsp;Ziga Luogu ,&nbsp;Ben Zhang ,&nbsp;Yujie Zheng ,&nbsp;Bingye Song ,&nbsp;John Wang ,&nbsp;Meng Li","doi":"10.1016/j.jechem.2024.09.047","DOIUrl":"10.1016/j.jechem.2024.09.047","url":null,"abstract":"<div><div>Uncontrolled dendrite growth, sluggish reaction kinetics, and drastic side reactions on the anode-electrolyte interface are the main obstacles that restrict the application prospect of aqueous zinc-ion batteries. Traditional glass fiber (GF) separator with chemical inertness is almost ineffective in restricting these challenges. Herein, inspired by the ionic enrichment behavior of seaweed plants, a facile biomass species, anionic sodium alginate (SA), is purposely decorated on the commercial GF separator to tackle these issues towards Zn anode. Benefiting from the abundant zincophilic functional groups and superior mechanical strength properties, the as-obtained SA@GF separator could act as ion pump to boost the Zn<sup>2+</sup> transference number (0.68), reduce the de-solvation energy barrier of hydrated Zn<sup>2+</sup>, and eliminate the undesired concentration polarization effect, which are verified by experimental tests, theoretical calculations, and finite element simulation, respectively. Based on these efficient modulation mechanisms, the SA@GF separator can synchronously achieve well-aligned Zn deposition and the suppression of parasitic side-reactions. Therefore, the Zn||Zn coin cell integrated with SA@GF separator could yield a prolonged calendar lifespan over 1230 h (1 mA cm<sup>−2</sup> and 1 mAh cm<sup>−2</sup>), exhibiting favorable competitiveness with previously reported separator modification strategies. Impressively, the Zn-MnO<sub>2</sub> full and pouch cell assembled with the SA@GF separator also delivered superior cycling stability and rate performance, further verifying its practical application effect. This work provides a new design philosophy to stabilize the Zn anode from the aspect of separator.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 191-200"},"PeriodicalIF":13.1,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531283","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
Efficiency improvement for post-sulfurized CIGS solar cells enabled by in situ Na doping 通过原位掺杂 Na 提高硫化后 CIGS 太阳能电池的效率
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-04 DOI: 10.1016/j.jechem.2024.09.046
Zeran Gao, Yuchen Xiong, Jiawen Wang, Shanshan Tian, Wanlei Dai, Haoyu Xu, Xinzhan Wang, Chao Gao, Yali Sun, Wei Yu
{"title":"Efficiency improvement for post-sulfurized CIGS solar cells enabled by in situ Na doping","authors":"Zeran Gao,&nbsp;Yuchen Xiong,&nbsp;Jiawen Wang,&nbsp;Shanshan Tian,&nbsp;Wanlei Dai,&nbsp;Haoyu Xu,&nbsp;Xinzhan Wang,&nbsp;Chao Gao,&nbsp;Yali Sun,&nbsp;Wei Yu","doi":"10.1016/j.jechem.2024.09.046","DOIUrl":"10.1016/j.jechem.2024.09.046","url":null,"abstract":"<div><div>Despite sulfurization offers the advantage of improving the photovoltaic performance in preparing Cu(In,Ga)Se<sub>2</sub> (CIGS) absorbers, deep level defects in the absorber and poor energy level alignment on the front surface are still main obstacles limiting the improvement of power conversion efficiency (PCE) in sulfided CIGS solar cells. Herein, an in-situ Na doping strategy is proposed, in which the tailing effect of crystal growth is used to promote the sulfurization of CIGS absorbers. It is found that the grain growth is supported by Na incorporating due to the enrichment of NaSe<em><sub>x</sub></em> near the upper surface. The high soluble Na during grain growth can not only suppress intrinsic In<sub>Cu</sub> donor defects in the absorber, but also tailor S distribution in bulk and the band alignment at the heterojunction, which are both beneficial for the effective electron carriers. Meanwhile, the Na aggregation near the bottom of the absorber also contributes to the crystalline quality increasing and favorable ultra-thin MoSe<sub>2</sub> formation at back contact, resulting in a reduced barrier height conducive to hole transport. PCE of the champion device is as high as 16.76% with a 28% increase. This research offers new insights into synthesizing CIGS solar cells and other chalcogenide solar cells with superior cell performance when using an intense sulfurization process.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 324-332"},"PeriodicalIF":13.1,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142538679","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
In situ seed layer bandgap engineering leading to the conduction band offset reversion and efficient Sb2Se3 solar cells with high open-circuit voltage 通过原位种子层带隙工程实现传导带偏移恢复和具有高开路电压的高效 Sb2Se3 太阳能电池
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-02 DOI: 10.1016/j.jechem.2024.09.042
Yanting Jiang , Weiyu Wang , Zhirong Chen , Zhenyu Fang , Qiqiang Zhu , Qiao Zheng , Jionghua Wu , Hui Deng , Weihuang Wang , Shuying Cheng
{"title":"In situ seed layer bandgap engineering leading to the conduction band offset reversion and efficient Sb2Se3 solar cells with high open-circuit voltage","authors":"Yanting Jiang ,&nbsp;Weiyu Wang ,&nbsp;Zhirong Chen ,&nbsp;Zhenyu Fang ,&nbsp;Qiqiang Zhu ,&nbsp;Qiao Zheng ,&nbsp;Jionghua Wu ,&nbsp;Hui Deng ,&nbsp;Weihuang Wang ,&nbsp;Shuying Cheng","doi":"10.1016/j.jechem.2024.09.042","DOIUrl":"10.1016/j.jechem.2024.09.042","url":null,"abstract":"<div><div>Sb<sub>2</sub>Se<sub>3</sub> solar cells have achieved a power conversion efficiency (PCE) of over 10%. However, the serious open-circuit voltage deficit (<em>V</em><sub>OC</sub>-deficit), induced by the hard-to-control crystal orientation and heterojunction interface reaction, limits the PCE of vapor transport deposition (VTD) processed Sb<sub>2</sub>Se<sub>3</sub> solar cells. To overcome the <em>V</em><sub>OC</sub>-deficit problem of VTD processed Sb<sub>2</sub>Se<sub>3</sub> solar cells, herein, an in-situ bandgap regulation strategy is innovatively proposed to prepare a wide band gap Sb<sub>2</sub>(S,Se)<sub>3</sub> seed layer (WBSL) at CdS/Sb<sub>2</sub>Se<sub>3</sub> heterojunction interface to improve the PCE of Sb<sub>2</sub>Se<sub>3</sub> solar cells. The analysis results show that the introduced Sb<sub>2</sub>(S,Se)<sub>3</sub> seed layer can enhance the [001] orientation of Sb<sub>2</sub>Se<sub>3</sub> thin films, broaden the band gap of heterojunction interface, and realize a “Spike-like” conduction band alignment with Δ<em>E</em><sub>c</sub> = 0.11 eV. In addition, thanks to the suppressed CdS/Sb<sub>2</sub>Se<sub>3</sub> interface reaction after WBSL application, the depletion region width of Sb<sub>2</sub>Se<sub>3</sub> solar cells is widened, and the quality of CdS/Sb<sub>2</sub>Se<sub>3</sub> interface and the carrier transporting performance of Sb<sub>2</sub>Se<sub>3</sub> solar cells are significantly improved as well. Moreover, the harmful Se vacancy defects near the front interface of Sb<sub>2</sub>Se<sub>3</sub> solar cells can be greatly diminished by WBSL. Finally, the PCE of Sb<sub>2</sub>Se<sub>3</sub> solar cells is improved from 7.0% to 7.6%; meanwhile the <em>V</em><sub>OC</sub> is increased to 466 mV which is the highest value for the VTD derived Sb<sub>2</sub>Se<sub>3</sub> solar cells. This work will provide a valuable reference for the interface and orientation regulation of antimony-based chalcogenide solar cells.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 201-212"},"PeriodicalIF":13.1,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531588","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
Cu gradient design to attain high efficient solution-processed CuIn(S,Se)2 solar cells 通过铜梯度设计实现高效溶液法 CuIn(S,Se)2 太阳能电池
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-02 DOI: 10.1016/j.jechem.2024.09.040
Xuejun Xu, Rutao Meng, Yue Liu, Han Xu, Jianpeng Li, Yi Zhang
{"title":"Cu gradient design to attain high efficient solution-processed CuIn(S,Se)2 solar cells","authors":"Xuejun Xu,&nbsp;Rutao Meng,&nbsp;Yue Liu,&nbsp;Han Xu,&nbsp;Jianpeng Li,&nbsp;Yi Zhang","doi":"10.1016/j.jechem.2024.09.040","DOIUrl":"10.1016/j.jechem.2024.09.040","url":null,"abstract":"<div><div>Solution-processed chalcopyrite solar cells are widely regarded as a promising alternative method in reducing the cost compared with vacuum-based techniques. It is noted that the absorber layer usually needs to be prepared under a high insert pressure (∼1.6 atm) to suppress element loss or under a mild pressure but additional surface etching is needed for fabricating high efficient solar cell. Herein, a copper gradient structured precursor is proposed to prepare CuIn(S,Se)<sub>2</sub> (CISSe) film under a mild pressure (1.1 atm). The designed gradient Cu not only promotes crystal grain growth and tailors the defects, but also avoids the surface etching of the formed CISSe film for the fabrication of high efficient solar cells. Further, Cu gradient design decreases the conduction band offset of heterojunction, boosting the carriers transport across the p-n heterojunction. Accordingly, a 13.35% efficient CISSe solar cell, comparable to the high efficient CISSe solar cell prepared by this method under high pressure or with film surface etching, is fabricated. This work provides a facile pathway to fabricate high efficient solution-processed chalcopyrite solar cell, avoiding high selenization pressure and film etching, and shows huge potential for solution-processed copper-based solar cells.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 213-222"},"PeriodicalIF":13.1,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142530527","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
Achievable dual-strategy to stabilize Li-rich layered oxide interface by a one-step wet chemical reaction towards long oxygen redox reversibility 通过一步湿化学反应实现稳定富锂层状氧化物界面的双重策略,实现长氧氧化还原可逆性
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-02 DOI: 10.1016/j.jechem.2024.09.044
Bin He , Yujie Dai , Shuai Jiang , Dawei Chen , Xilong Wang , Jie Song , Dan Xiao , Qian Zhao , Yan Meng , Wei Feng
{"title":"Achievable dual-strategy to stabilize Li-rich layered oxide interface by a one-step wet chemical reaction towards long oxygen redox reversibility","authors":"Bin He ,&nbsp;Yujie Dai ,&nbsp;Shuai Jiang ,&nbsp;Dawei Chen ,&nbsp;Xilong Wang ,&nbsp;Jie Song ,&nbsp;Dan Xiao ,&nbsp;Qian Zhao ,&nbsp;Yan Meng ,&nbsp;Wei Feng","doi":"10.1016/j.jechem.2024.09.044","DOIUrl":"10.1016/j.jechem.2024.09.044","url":null,"abstract":"<div><div>Oxygen release and electrolyte decomposition under high voltage endlessly exacerbate interfacial ramifications and structural degradation of high energy-density Li-rich layered oxide (LLO), leading to voltage and capacity fading. Herein, the dual-strategy of Cr<em><sub>x</sub></em>B complex coating and local gradient doping is simultaneously achieved on LLO surface by a one-step wet chemical reaction at room temperature. Density functional theory (DFT) calculations prove that stable B–O and Cr–O bonds through the local gradient doping can significantly reduce the high-energy O 2<em>p</em> states of interfacial lattice O, which is also effective for the near-surface lattice O, thus greatly stabilizing the LLO surface. Besides, differential electrochemical mass spectrometry (DEMS) indicates that the Cr<em><sub>x</sub></em>B complex coating can adequately inhibit oxygen release and prevents the migration or dissolution of transition metal ions, including allowing speedy Li<sup>+</sup> migration. The voltage and capacity fading of the modified cathode (LLO-CrB) are adequately suppressed, which are benefited from the uniformly dense cathode electrolyte interface (CEI) composed of balanced organic/inorganic composition. Therefore, the specific capacity of LLO-CrB after 200 cycles at 1C is 209.3 mA h g<sup>−1</sup> (with a retention rate of 95.1%). This dual-strategy through a one-step wet chemical reaction is expected to be applied in the design and development of other anionic redox cathode materials.</div></div>","PeriodicalId":15728,"journal":{"name":"Journal of Energy Chemistry","volume":"101 ","pages":"Pages 120-131"},"PeriodicalIF":13.1,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142530537","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
Selenate-based heterojunction with cobalt–nickel paired site for electrocatalytic oxidation of 5-hydroxymethylfurfural coupling water splitting to produce hydrogen 具有钴镍配对位点的硒基异质结用于电催化氧化 5-羟甲基糠醛耦合水分离制氢
IF 13.1 1区 化学
Journal of Energy Chemistry Pub Date : 2024-10-02 DOI: 10.1016/j.jechem.2024.09.045
Zhengru Yang , Jia Hui , Wangxi Fan , Pengcheng Liu , Chunyong Zhang , Shuang Dong , Zhou Yang
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