eScience最新文献_第8页

A novel Na8Fe5(SO4)9@rGO cathode material with high rate capability and ultra-long lifespan for low-cost sodium-ion batteries 用于低成本钠离子电池的新型 Na8Fe5(SO4)9@rGO 正极材料，具有高倍率能力和超长寿命

eScience Pub Date : 2024-02-01 DOI: 10.1016/j.esci.2023.100186

Changyu Liu , Kean Chen , Huiqian Xiong , Along Zhao , Haiyan Zhang , Qingyu Li , Xinping Ai , Hanxi Yang , Yongjin Fang , Yuliang Cao

{"title":"A novel Na8Fe5(SO4)9@rGO cathode material with high rate capability and ultra-long lifespan for low-cost sodium-ion batteries","authors":"Changyu Liu , Kean Chen , Huiqian Xiong , Along Zhao , Haiyan Zhang , Qingyu Li , Xinping Ai , Hanxi Yang , Yongjin Fang , Yuliang Cao","doi":"10.1016/j.esci.2023.100186","DOIUrl":"10.1016/j.esci.2023.100186","url":null,"abstract":"<div>Sodium-ion batteries (SIBs) are regarded as the most promising technology for large-scale energy storage systems. However, the practical application of SIBs is still hindered by the lack of applicable cathode materials. Herein, a novel phase-pure polyanionic Na8Fe5(SO4)9 is designed and employed as a cathode material for SIBs for the first time. The Na8Fe5(SO4)9 has an alluaudite-type sulfate framework and small Na+ ion diffusion barriers. As expected, the as-synthesized Na8Fe5(SO4)9@rGO exhibits a high working potential of 3.8 V (versus Na/Na+), a superior reversible capacity of 100.2 mAh g−1 at 0.2 C, excellent rate performance (∼80 mAh g−1 at 10 C, ∼63 mAh g−1 at 50 C), and an ultra-long cycling life (91.9% capacity retention after 10,000 cycles at 10 C, 81% capacity retention after 20,000 cycles at 50 C). We use various techniques and computational methods to comprehensively investigate the electrochemical reaction mechanisms of Na8Fe5(SO4)9@rGO.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 1","pages":"Article 100186"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S266714172300126X/pdfft?md5=219558f52acb63681c26c7fe8207a28a&pid=1-s2.0-S266714172300126X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135685961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Quantification and visualization of spatial distribution of dendrites in solid polymer electrolytes 固体聚合物电解质中树枝状突起空间分布的量化和可视化

eScience Pub Date : 2024-02-01 DOI: 10.1016/j.esci.2023.100182

Tiancheng Yi , Enyue Zhao , Yuping He , Tianjiao Liang , Howard Wang

{"title":"Quantification and visualization of spatial distribution of dendrites in solid polymer electrolytes","authors":"Tiancheng Yi , Enyue Zhao , Yuping He , Tianjiao Liang , Howard Wang","doi":"10.1016/j.esci.2023.100182","DOIUrl":"10.1016/j.esci.2023.100182","url":null,"abstract":"<div>Integrating lithium metal anodes with polymer electrolytes is a promising technology for the next generation high-energy-density rechargeable batteries. As the progress is often hindered by the dendrite growth upon cycling, quantifying three-dimensional (3D) microstructures of dendrites in polymer electrolytes is essential to better understanding of dendrite formation for the development of mitigation strategies. Techniques for 3D quantification and visualization of dendrites, especially those with low Li contents, are rather limited. This study reports quantitative measurements of the spatial distribution of Li dendrites grown in solid polymer electrolytes using 3D tomographic neutron depth profiling (NDP) with improved spatial resolution, compositional range, and data presentation. Data reveal heterogeneous distribution of Li over length scales from tens nanometers to centimeters. While most dendrites grow from the plating toward the stripping electrode with dwindling Li quantities, dendrites apparently grown from the Li-stripping electrode are also observed. The discovery is only possibly due to the unique combination of the high specificity and high sensitivity of the neutron activation analysis of Li isotope.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 1","pages":"Article 100182"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723001222/pdfft?md5=56e14653795f39142e78eeddacd3360c&pid=1-s2.0-S2667141723001222-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135249148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Wettability adjustment to enhance mass transfer for heterogeneous electrocatalysis and photocatalysis 调整润湿性以提高异质电催化和光催化的传质效果

eScience Pub Date : 2024-02-01 DOI: 10.1016/j.esci.2023.100157

Ang Li , Peng Zhang , Erjun Kan , Jinlong Gong

{"title":"Wettability adjustment to enhance mass transfer for heterogeneous electrocatalysis and photocatalysis","authors":"Ang Li , Peng Zhang , Erjun Kan , Jinlong Gong","doi":"10.1016/j.esci.2023.100157","DOIUrl":"10.1016/j.esci.2023.100157","url":null,"abstract":"<div>This review describes recent advances in wettability adjustment to improve the main green energy conversion and storage systems, i.e., photocatalysis and electrocatalysis. Because both are redox reactions involving electron behavior, they follow a similar pattern in the surface reaction step, which is related to wettability adjustment. Thus, we consider photocatalysis and electrocatalysis together in terms of mass transfer adjustment based on commonalities, aiming to understand the fundamentals more deeply and bring greater mutual inspiration to photocatalysis and electrocatalysis. The theoretical basis is first laid out, and then various strategies are introduced. Subsequently, according to the different requirements of mass transfer, we classify the photocatalytic and electrocatalytic reactions into gas consumption reactions preferring hydrophobic surfaces, and gas evolution reactions preferring hydrophilic surfaces. Pollutant degradation reactions involving different water-soluble substrates are also mentioned. Further, we introduce the specific optimization effect of wettability regulation on the reaction, and the mechanism behind the effect. This comprehensive and insightful review will provide a strategic guide to the reasonable design and development of wettability-optimized photocatalytic and electrocatalytic systems.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 1","pages":"Article 100157"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723000885/pdfft?md5=ea049a7b3fefd83316d43935a3378d2d&pid=1-s2.0-S2667141723000885-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84523156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assembling molybdenum-doped platinum clusters into a coral-like nanostructure for highly enhanced oxygen reduction 将掺钼铂团簇组装成珊瑚状纳米结构，以实现高度增强的氧还原能力

eScience Pub Date : 2024-02-01 DOI: 10.1016/j.esci.2023.100187

Linwei Zheng , Mang Niu , Tiantian Zeng , Xiaohang Ge , Yanrui Wang , Chun Xian Guo , Weiyong Yuan , Dapeng Cao , Lian Ying Zhang , Chang Ming Li

{"title":"Assembling molybdenum-doped platinum clusters into a coral-like nanostructure for highly enhanced oxygen reduction","authors":"Linwei Zheng , Mang Niu , Tiantian Zeng , Xiaohang Ge , Yanrui Wang , Chun Xian Guo , Weiyong Yuan , Dapeng Cao , Lian Ying Zhang , Chang Ming Li","doi":"10.1016/j.esci.2023.100187","DOIUrl":"10.1016/j.esci.2023.100187","url":null,"abstract":"<div>Regulating the electronic and geometric structures of electrocatalysts is an effective strategy to boost their catalytic properties. Herein, a coral-like nanostructure is assembled with Mo-doped Pt clusters to form a highly active catalyst toward the oxygen reduction reaction (ORR). The advantages of a Mo-doped porous skeleton, grain boundaries, and MoOx species on the Pt cluster surfaces synergistically boost the electrocatalytic performance. This unique architecture delivers 3.5- and 2.8-fold higher mass and specific activities, respectively, than commercial Pt/C. Density functional theory calculations reveal that the Mo-doped Pt clusters have an optimized Pt–O bond length of 2.110 Å, which weakens the adsorption energy of the intermediate O∗ to yield great ORR activity. Moreover, the catalyst shows a decay in the half-wave potential of only 8 mV after 10,000 cycles of accelerated durability testing. The high stability arises from the increased dissociation energy of Pt atoms and the stable architecture of the coral-like structure of clusters.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 1","pages":"Article 100187"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723001271/pdfft?md5=20b1553d92da7308e0f22afccb94efce&pid=1-s2.0-S2667141723001271-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135889721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 influence of crystal packing density on electrochemical energy storage materials 了解晶体堆积密度对电化学储能材料的影响

eScience Pub Date : 2024-02-01 DOI: 10.1016/j.esci.2023.100158

Wujie Dong , Fuqiang Huang

{"title":"Understanding the influence of crystal packing density on electrochemical energy storage materials","authors":"Wujie Dong , Fuqiang Huang","doi":"10.1016/j.esci.2023.100158","DOIUrl":"10.1016/j.esci.2023.100158","url":null,"abstract":"<div>Crystal structure determines electrochemical energy storage characteristics; this is the underlying logic of material design. To date, hundreds of electrode materials have been developed to pursue superior performance. However, it remains a great challenge to understand the fundamental structure–performance relationship and achieve quantitative crystal structure design for efficient energy storage. In this review, we introduce the concept of crystal packing factor (PF), which can quantify crystal packing density. We then present and classify the typical crystal structures of attractive cathode/anode materials. Comparative PF analyses of different materials, including polymorphs, isomorphs, and others, are performed to clarify the influence of crystal packing density on energy storage performance through electronic and ionic conductivities. Notably, the practical electronic/ionic conductivities of energy storage materials are based on their intrinsic characteristics related to the PF yet are also affected by extrinsic factors. The PF provides a novel avenue for understanding the electrochemical performance of pristine materials and may offer guidance on designing better materials. Additional approaches involve size regulation, doping, carbon additives, and other methods. We also propose extended PF concepts to understand charge storage and transport behavior at different scales. Finally, we provide our insights on the major challenges and prospective solutions in this highly exciting field.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 1","pages":"Article 100158"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723000897/pdfft?md5=64cf318ca9def33be25cdfc83b7f194a&pid=1-s2.0-S2667141723000897-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89150479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Designing mesostructured iron (II) fluorides with a stable in situ polymer electrolyte interface for high-energy-density lithium-ion batteries 为高能量密度锂离子电池设计具有稳定原位聚合物电解质界面的介结构铁 (II) 氟化物

eScience Pub Date : 2024-02-01 DOI: 10.1016/j.esci.2023.100188

Lidong Sun , Yong Wang , Lingchen Kong , Shaoshan Chen , Cong Peng , Jiahui Zheng , Yu Li , Wei Feng

{"title":"Designing mesostructured iron (II) fluorides with a stable in situ polymer electrolyte interface for high-energy-density lithium-ion batteries","authors":"Lidong Sun , Yong Wang , Lingchen Kong , Shaoshan Chen , Cong Peng , Jiahui Zheng , Yu Li , Wei Feng","doi":"10.1016/j.esci.2023.100188","DOIUrl":"10.1016/j.esci.2023.100188","url":null,"abstract":"<div>As high-energy cathode materials, conversion-type metal fluorides provide a prospective pathway for developing next-generation lithium-ion batteries. However, they suffer from severe performance decay owing to continuous structural destruction and active material dissolution upon cycling, which worsen at elevated temperatures. Here, we design a novel FeF2 cathode with in situ polymerized solid-state electrolyte systems to enhance the cycling ability of metal fluorides at 60 °C. Novel FeF2 with a mesoporous structure (meso-FeF2) improves Li+ diffusion and relieves the volume change that typically occurs during the alternating conversion reactions. The structural stability of the meso-FeF2 cathode is strengthened by an in situ polymerized solid-state electrolyte, which prevents the pulverization and ion dissolution that are inevitable for conventional liquid electrolytes. Under the double action of this in situ polymerized solid-state electrolyte and the meso-FeF2's mesoporous structure, the active material maintains an intact SEI layer and part of the mesoporous structure after long charge–discharge cycling, showing excellent cycling stability at high temperatures.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 1","pages":"Article 100188"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723001283/pdfft?md5=0dbd161a4b3d9986b41b7b53f20710b5&pid=1-s2.0-S2667141723001283-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135434450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Neighboring effect in single-atom catalysts for the electrochemical carbon dioxide reduction reaction 电化学二氧化碳还原反应中单原子催化剂的邻近效应

eScience Pub Date : 2024-02-01 DOI: 10.1016/j.esci.2023.100140

Hon Ho Wong , Mingzi Sun , Tong Wu , Cheuk Hei Chan , Lu Lu , Qiuyang Lu , Baian Chen , Bolong Huang

{"title":"Neighboring effect in single-atom catalysts for the electrochemical carbon dioxide reduction reaction","authors":"Hon Ho Wong , Mingzi Sun , Tong Wu , Cheuk Hei Chan , Lu Lu , Qiuyang Lu , Baian Chen , Bolong Huang","doi":"10.1016/j.esci.2023.100140","DOIUrl":"10.1016/j.esci.2023.100140","url":null,"abstract":"<div>Although single-atom catalysts (SACs) have attracted enormous attention for their applications in the electrochemical reduction of CO2 (CO2RR) due to their extraordinary catalytic activity and well-defined active centers, neighboring effects and their influence on the electrochemical performance of SACs have not been well investigated. In this review, we present a summary of the neighboring effects on SACs for the CO2RR process, where the surrounding atoms not only induce electronic modulation of the metal atom but also participate in the CO2RR. Both theoretical and experimental studies have pointed out that the neighboring sites of the anchored metal center can provide second active/adsorption locations during the catalytic process, enhancing CO2RR performance tremendously. This review supplies advanced insights into the significant roles and impacts of neighboring effects on the catalytic process, which also benefit the development of advanced SACs to achieve efficient electrocatalysis.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 1","pages":"Article 100140"},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723000654/pdfft?md5=434077aa5799f09e9b05a582ec478729&pid=1-s2.0-S2667141723000654-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76581058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Managing the lifecycle of perovskite solar cells: Addressing stability and environmental concerns from utilization to end-of-life 管理过氧化物太阳能电池的生命周期：解决从使用到报废的稳定性和环境问题

eScience Pub Date : 2024-01-25 DOI: 10.1016/j.esci.2024.100243

Hee Jung Kim , Gill Sang Han , Hyun Suk Jung

引用次数: 0

Playdough-like carbon electrode: A promising strategy for high efficiency perovskite solar cells and modules 橡皮泥状碳电极：高效率过氧化物太阳能电池和模块的可行策略

eScience Pub Date : 2023-12-10 DOI: 10.1016/j.esci.2023.100221

Aodong Zhu , Lin Chen , Ao Zhang , Chenpu Zhu , Xinxin Zhang , Jie Zhong , Fuzhi Huang , Yi-Bing Cheng , Junyan Xiao

{"title":"Playdough-like carbon electrode: A promising strategy for high efficiency perovskite solar cells and modules","authors":"Aodong Zhu , Lin Chen , Ao Zhang , Chenpu Zhu , Xinxin Zhang , Jie Zhong , Fuzhi Huang , Yi-Bing Cheng , Junyan Xiao","doi":"10.1016/j.esci.2023.100221","DOIUrl":"10.1016/j.esci.2023.100221","url":null,"abstract":"<div>Carbon-based perovskite solar cells (C-PSCs) are promising candidates for large-scale photovoltaic applications due to their theoretical low cost and high stability. However, the fabrication of high-performance C-PSCs with large-area electrodes remains challenging. In this work, we propose a novel playdough-like graphite putty as top electrode in the perovskite devices. This electrode with soft nature can form good contact with the hole-transporting layer and the conductive substrate at room temperature by a simple pressing technique, which facilitates the fabrication of both small-area devices and perovskite solar modules. In this preliminary research, the corresponding small devices and modules can achieve efficiencies of 20.29% (∼0.15 cm2) and 16.01% (∼10 cm2), respectively. Moreover, we analyze the limitations of the optical and electrical properties of this playdough-like graphite electrode on the device performance, suggesting a direction for further improvement of C-PSCs in the future.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 2","pages":"Article 100221"},"PeriodicalIF":0.0,"publicationDate":"2023-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723001751/pdfft?md5=581b2051f0552172b41c70cb0f765139&pid=1-s2.0-S2667141723001751-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138560609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Photoelectric-driven conductive composite ionogel patch for effective wound healing 用于伤口有效愈合的光电驱动导电复合离子凝胶贴片

eScience Pub Date : 2023-12-10 DOI: 10.1016/j.esci.2023.100223

Xingkai Ju , Jiao Kong , Guohua Qi , Shuping Hou , Bo Wang , Xingkang Diao , Shaojun Dong , Yongdong Jin

{"title":"Photoelectric-driven conductive composite ionogel patch for effective wound healing","authors":"Xingkai Ju , Jiao Kong , Guohua Qi , Shuping Hou , Bo Wang , Xingkang Diao , Shaojun Dong , Yongdong Jin","doi":"10.1016/j.esci.2023.100223","DOIUrl":"10.1016/j.esci.2023.100223","url":null,"abstract":"<div>Developing the high biosafety, effective and wearable devices for fast wound healing is highly desired but remains a challenge. Here, we propose a “win–win co-operation” strategy to potentiate effective skin wound healing at the wound site by constructing robust and ecofriendly composite patch under opto-electric stimulation. The wearable patch is composed of ionic gel doped with Ti3C2Tx (MXene), which possesses good photothermal response to kill the bacteria via effective inhibition of the expression of inflammatory factors, preventing wound infection. Importantly, the composite ionogel patch is capable of providing green and on-demand electrical stimulation for wound site, guiding cell migration and proliferation by improved bioenergy and expression up-regulation of growth factor. In mice wound models, the treatment group healed ∼31% more rapidly. Mechanistically, the wearable devices could enable visual and real-time supervising treatment effect due to their good transmittance. The proposed strategy would be promising for future clinical treatment of wound healing.</div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"4 2","pages":"Article 100223"},"PeriodicalIF":0.0,"publicationDate":"2023-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2667141723001775/pdfft?md5=12a01699ebde0f655eda4a436e12f70a&pid=1-s2.0-S2667141723001775-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138560597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0