Energy Storage Materials最新文献

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Extreme Environment-Adaptable and Ultralong-Life Energy Storage Enabled by Synergistic Manipulation of Interfacial Environment and Hydrogen Bonding 通过协同操纵界面环境和氢键实现可适应极端环境的超长寿命储能技术
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-18 DOI: 10.1016/j.ensm.2024.103915
Wanbin Dang, Wei Guo, Wenting Chen, Jinxin Wang, Qiuyu Zhang
{"title":"Extreme Environment-Adaptable and Ultralong-Life Energy Storage Enabled by Synergistic Manipulation of Interfacial Environment and Hydrogen Bonding","authors":"Wanbin Dang, Wei Guo, Wenting Chen, Jinxin Wang, Qiuyu Zhang","doi":"10.1016/j.ensm.2024.103915","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103915","url":null,"abstract":"The broad applications of energy storage systems have brought improving demands for stable electrodes with robust tolerance to extreme environmental challenges. MXenes show promising pseudocapacitive behaviors, however, the poor thermodynamical and mechanical stability makes them unfavorable for applications under complex and harsh environments. Herein, we break these limitations by aramid nanofibers (ANF)-driven interfacial nanofilling and hydrogen-bonds effects in MXenes. Theoretical and experimental results unveil that ANF with unique polarity preferentially interacts with H<sub>2</sub>O molecules and forms hydrogen bonding networks to restrain oxidative and mechanical attack toward MXene, at the same time, the nanofilling enables interfacial mass transport intensification for increment in redox dynamics. As such, the synergistically coupled ANF-MXene microstructure (AM) unlocks superior mechanical properties for facing hash forces, i.e., tensile strength of 115.2 MPa and toughness of 1.8 MJ m<sup>-3</sup>, and an ultra-long cycling life with a capacitance retention of 90.7% after 40,000 cycles. Besides, the effective IR thermal camouflage performance (IR-emissivity: 20.9%) further renders the power supply working invisibly after fast charge/discharge-driven heat generation. Moreover, the performances can be well maintained when subjected to strong acid/alkali, high-temperature (200°C), and cryogenic (-196°C) treatments. These results highlight the key role of interfacial species synergy in accelerating versatile and robust energy applications.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"22 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Revisiting the Overdischarge Process as a Novel Accelerated Aging Method for LiFePO4/Graphite Batteries through the Unveiling of SEI Evolution Mechanism 通过揭示 SEI 演化机制重新审视作为磷酸铁锂/石墨电池新型加速老化方法的过放电过程
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-18 DOI: 10.1016/j.ensm.2024.103916
Shijun Tang, Yuli Liang, Cong Zhong, Yufan Peng, Yonggang Hu, Wenxuan Hu, Yiqing Liao, Jianrong Lin, Xuerui Yang, Huiyan Zhang, Ying Lin, Ke Zhang, Jinding Liang, Xuefeng Wang, Yimin Wei, Zhengliang Gong, Yong Yang
{"title":"Revisiting the Overdischarge Process as a Novel Accelerated Aging Method for LiFePO4/Graphite Batteries through the Unveiling of SEI Evolution Mechanism","authors":"Shijun Tang, Yuli Liang, Cong Zhong, Yufan Peng, Yonggang Hu, Wenxuan Hu, Yiqing Liao, Jianrong Lin, Xuerui Yang, Huiyan Zhang, Ying Lin, Ke Zhang, Jinding Liang, Xuefeng Wang, Yimin Wei, Zhengliang Gong, Yong Yang","doi":"10.1016/j.ensm.2024.103916","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103916","url":null,"abstract":"The exceptional cycling stability of lithium-ion batteries in electric vehicles and large-scale grid energy storage applications necessitates the use of accelerated aging tests for rapid assessment. Overdischarge stress is an effective approach to accelerate battery aging, whereas its impact on solid electrolyte interphase (SEI) and battery aging performance remains elusive. Herein, the whole picture of SEI evolution under different overdischarge levels was quantitatively illustrated by combining the electrochemical analysis and spectrochemical techniques. Overdischarge leads to the decomposition of the organic components within SEI, such as ROCO<sub>2</sub>Li and CH<sub>3</sub>Li, while the damaged SEI is repaired during the subsequent charging process with its composition and structure reconstructed. Under overdischarge conditions, the SEI undergoes continuous cycles of destruction and repair, which suppresses its growth and evolution to inorganic components, resulting in a thinner and more uneven morphology with higher organic components and a lower Young's modulus. The unique SEI evolution mechanism of overdischarge effectively accelerates the loss of active lithium and exhibits similar thermodynamic degradation modes to normal aging, making overdischarge a potential accelerated aging method. This study provides a deeper understanding of the mechanisms behind accelerated aging in batteries and offers new insights into the evaluation and enhancement of battery performance.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"51 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Looking into failure mode identification driven by differential capacity in Ni-rich layered cathodes 探究富镍层状阴极中差异容量驱动的失效模式识别
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-18 DOI: 10.1016/j.ensm.2024.103914
Xiaodong Zhang, Ersha Fan, Jiao Lin, Yi Zhao, Qingrong Huang, Su Ma, Renjie Chen, Feng Wu, Li Li
{"title":"Looking into failure mode identification driven by differential capacity in Ni-rich layered cathodes","authors":"Xiaodong Zhang, Ersha Fan, Jiao Lin, Yi Zhao, Qingrong Huang, Su Ma, Renjie Chen, Feng Wu, Li Li","doi":"10.1016/j.ensm.2024.103914","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103914","url":null,"abstract":"Nickel-rich layered cathodes are one of the ideal electrode materials for high-energy lithium-ion batteries, yet suffer from capacity decay and structural degradation during cycling. Although the degradation mechanisms of electrode materials are flourishing, the analysis of performance decay and physicochemical properties dynamic evolution during cycling have not been well developed. Here, we propose a coupling analysis strategy based on differential capacity that distinguishes the failure behavior of electrode materials during cycling by the characteristic evolution of the d<em>Q</em> d<em>V</em><sup>–1</sup> curve recorded cycle-by-cycle. By coupling in-situ electrochemical tests with differential capacity characterization and comparing them with electrochemical characteristics recorded at different aging upper cut-off voltages cycles, the capacity decay mechanism and physicochemical properties evolution of electrode materials can be dynamically analyzed. The potential failure modes include loss of active Li inventory (LALI), loss of active structure integrity (LASI), and various dominant combinations of these factors. In addition, the distinction of aging behavior can also be applied to the failure level classification of spent electrode materials. Our findings demonstrate a general strategy for analyzing the dynamic failure mechanisms of electrode materials, thereby offering valuable insights for subsequent technology route selection in terms of recycling and reuse.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"10 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Constructing interfacial molecular layer coupled with Zn2+ transfer/deposition kinetics modulation toward deeply reversible Zn anodes 构建界面分子层与 Zn2+ 转移/沉积动力学调制相结合,实现深度可逆锌阳极
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-17 DOI: 10.1016/j.ensm.2024.103909
Shangqing Jiao, Yulong Gao, Weigang Zhang, Zhen Xue, Yudong Wu, Zhiqian Cao
{"title":"Constructing interfacial molecular layer coupled with Zn2+ transfer/deposition kinetics modulation toward deeply reversible Zn anodes","authors":"Shangqing Jiao, Yulong Gao, Weigang Zhang, Zhen Xue, Yudong Wu, Zhiqian Cao","doi":"10.1016/j.ensm.2024.103909","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103909","url":null,"abstract":"Irreversible Zn dendrite formation and hydrogen evolution reactions (HER) have significantly impeded the large-scale commercial deployment of aqueous zinc-metal batteries (AZMBs). Herein, we proposed an innovative interfacial strategy activated by the biomacromolecule Pullulan (Pul) on the surface of metal zinc anodes (ZMAs) within the electrolyte system. The combination of comprehensive experimental results and simulation calculations demonstrated that the spontaneous assembly of the interfacial molecular layer (IML), facilitated by the adaptive adsorption of Pul molecules, not only triggers the formation of a Zn²⁺-concentrated region and effectively balances ionic flux, but also simultaneously transforms the nucleation growth pattern of Zn<sup>2+</sup> into an instantaneous and progressive hybridized mechanism, reconfiguring the Zn<sup>2+</sup> transfer/deposition kinetics at the heterogeneous electrode/electrolyte interface. Moreover, the IML provides a stable shielding effect for hydrated hydrogen with high thermodynamic activity and SO<sub>4</sub><sup>2−</sup> at the solid-liquid interface. Therefore, a smooth and compact Zn deposition layer devoid of dendritic growth is achieved during subsequent plating processes. As a result, Zn||Zn symmetric cells utilizing modified electrolytes exhibit remarkable plating/stripping performance exceeding 1800 hours without significant voltage fluctuations, which contributes to the exceptional long-term durability observed in Zn||CNTs@MnO<sub>2</sub> batteries.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"8 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Zincophilic Group-Rich Aminoglycosides for Ultra-Long Life and High-Rate Zinc Batteries 用于超长寿命和高倍率锌电池的亲锌富氨基糖苷类化合物
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-17 DOI: 10.1016/j.ensm.2024.103913
Zhao Chen, Ruheng Jiang, Yuejiao Chen, Haipeng Zhu, Xiaowei Tang, Xiaowei Huang, Yiman Xie, Jiaxin Li, Chunxiao Zhang, Libao Chen, Weifeng Wei, Liangjun Zhou
{"title":"Zincophilic Group-Rich Aminoglycosides for Ultra-Long Life and High-Rate Zinc Batteries","authors":"Zhao Chen, Ruheng Jiang, Yuejiao Chen, Haipeng Zhu, Xiaowei Tang, Xiaowei Huang, Yiman Xie, Jiaxin Li, Chunxiao Zhang, Libao Chen, Weifeng Wei, Liangjun Zhou","doi":"10.1016/j.ensm.2024.103913","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103913","url":null,"abstract":"The application of environmentally friendly and economical aqueous zinc (Zn) metal batteries (ZMBs) is severely limited by critical issues associated with Zn anodes, including dendrite growth, hydrogen evolution reaction and corrosion. Hence, many improvement methods, such as electrolyte additives, mainly focus on the protection of Zn anodes. Herein, owing to the abundance of zincophilic functional groups, aminoglycosides represented by amikacin are introduced as sulfates to solve these problems. The presence of zincophilic functional groups, such as amino and hydroxyl, enables amikacin to effectively replace H<sub>2</sub>O molecules, thereby altering the solvation structure of Zn<sup>2+</sup>. Additionally, amikacin preferentially adsorbs on the anode surface and facilitates the formation of solid electrolyte interphase (SEI), achieving highly conductive and uniformly deposited Zn anodes. Therefore, the Zn||Zn symmetric cell with the modified electrolyte can work stably with a long cycle lifespan of up to 3300 h at 1 mA cm<sup>−2</sup>, 1 mAh cm<sup>−2</sup>. It is worth mentioning that the symmetric cells deliver excellent cycle lifespans of 1000 h (5 mA cm<sup>−2</sup>, 5 mAh cm<sup>−2</sup>), 790 h (10 mA cm<sup>−2</sup>, 10 mAh cm<sup>−2</sup>) and 330 h (20 mA cm<sup>−2</sup>, 20 mAh cm<sup>−2</sup>). Besides, the Zn-based full cell, in conjunction with NaV<sub>3</sub>O<sub>8</sub>·1.5H<sub>2</sub>O cathode, also demonstrates exceedingly good cycling stability with a remarkable capacity retention rate of 95.92% after 3000 cycles at 5 A g<sup>-1</sup>. More encouragingly, ZMBs supplemented with the other aminoglycoside sulfates, namely gentamicin sulfate (GS) and neomycin sulfate (NS), also show excellent performance, confirming the universality of the improvement by these aminoglycosides.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"13 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elucidating the Nature of Secondary Phases in LiNi0.5Mn1.5O4 Cathode Materials using Correlative Raman-SEM Microscopy 利用相关拉曼-SEM 显微镜阐明 LiNi0.5Mn1.5O4 阴极材料中次生相的性质
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-16 DOI: 10.1016/j.ensm.2024.103905
Umair Nisar, Florian Klein, Claudia Pfeifer, Margret Wohlfahrt-Mehrens, Markus Hölzle, Peter Axmann
{"title":"Elucidating the Nature of Secondary Phases in LiNi0.5Mn1.5O4 Cathode Materials using Correlative Raman-SEM Microscopy","authors":"Umair Nisar, Florian Klein, Claudia Pfeifer, Margret Wohlfahrt-Mehrens, Markus Hölzle, Peter Axmann","doi":"10.1016/j.ensm.2024.103905","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103905","url":null,"abstract":"LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> (LNMO) is a promising next-generation cathode material for lithium-ion batteries (LIBs) due to its high-energy and high-power density. However, its commercial adoption is hindered by the unstable LNMO/electrolyte interface due to high operating voltages and structural degradation arising from Jahn-Teller distortion and metal-ion dissolution resulting in poor cycling stability. Additionally, the high-temperature calcination beyond 700°C often results in secondary phases such as rock salt NiO, Li<sub>1-x</sub>Ni<sub>x</sub>O, Ni<sub>6</sub>MnO<sub>8</sub> or Li<sub>2</sub>MnO<sub>3</sub>, whose precise chemical compositions and their influence on electrochemical performance remain unclear. Traditional analytical techniques such as X-ray diffraction (XRD) or neutron diffraction face challenges in resolving these secondary phases due to low phase fractions and overlapping reflections with the LNMO phase. Here, we address these challenges using correlative Raman-Scanning electron microscopy (Raman-SEM) to characterize secondary phases in LNMO materials that were synthesized under various synthesis conditions and evaluate their impact on the electrochemical performance. Our results reveal the synthesis-dependent emergence of three distinct secondary phases in LNMO materials synthesized at 1000°C, a phenomenon that, to our knowledge, has not been previously reported. Specifically, LNMO synthesized at 900°C shows the coexistence of Ni<sub>6</sub>MnO<sub>8</sub> and Li<sub>2</sub>MnO<sub>3</sub> phases, while synthesized at 1000°C also exhibits a Mn<sub>3</sub>O<sub>4</sub> phase. Furthermore, an increased amount of these secondary phases in LNMO led to a lower discharge capacity due to their electrochemical inactive nature. However, these phases do not affect the rate capability or the long-term cycling performance of the LNMO materials. These insights are crucial for advancing the development of LNMO cathode materials for next-generation LIBs.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"5 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Voltage-driven Molecular Switch of Highly Periodically N‒heterocyclic Adlayer Enabled Deep Cycled Zinc Metal Battery 支持深循环锌金属电池的高周期性 N-heterocyclic Adlayer 的电压驱动分子开关
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-16 DOI: 10.1016/j.ensm.2024.103910
Weina Xu, Bomian Zhang, Wangwang Xu, Guang Yao, Lei Zhang, Sitian Lian, Qi Liu, Chaozheng Liu, Ronghua Yuan, Wenzhou Chen, Xiaochang Qiao, Kangning Zhao
{"title":"Voltage-driven Molecular Switch of Highly Periodically N‒heterocyclic Adlayer Enabled Deep Cycled Zinc Metal Battery","authors":"Weina Xu, Bomian Zhang, Wangwang Xu, Guang Yao, Lei Zhang, Sitian Lian, Qi Liu, Chaozheng Liu, Ronghua Yuan, Wenzhou Chen, Xiaochang Qiao, Kangning Zhao","doi":"10.1016/j.ensm.2024.103910","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103910","url":null,"abstract":"The instable Zn/electrolyte interface due to severe corrosion, especially at high utilization of Zn anode, strongly hindered the practical application of aqueous zinc metal battery. Herein, we report a voltage-driven molecular switch through a reversible transition of the nicotinic molecules between zwitterion and anion to enable deep cycled zinc metal battery. In light of <em>in-situ</em> Raman, the switching mechanism of nicotinic molecules in the electrical double layer is unveiled: during plating, nicotinic molecules switches to zwitterion mode (ON state) with periodical pyridine-ring-substrate adlayer while during stripping, shifts to anion mode with periodical carbonyl group-substrate adlayer (OFF state). The transition of NA molecules enables molecular flipping on the substrate due to the electrostatic force and in this way, in both ON and OFF state, the zinc anode is protected by the adlayer to avoid the zinc corrosion on the anode side. Furthermore, the OTF<sup>‒</sup> decomposition is accompanied by the open ring reaction of N‒heterocyclic from nicotinic acid molecules to form highly elastic solid electrolyte interface layer. Benefiting from both the molecular switch function and solid electrolyte interface layer formation, the nicotinic molecules-based electrolyte enables practical zinc metal battery of high energy density (100 Wh/kg<sub>electrode</sub>) for over 800 cycles with a cumulative capacity of 2.71 Ah cm<sup>−2</sup> at practical condition of low N/P ratio of 2, and lean electrolyte of 10 μL mAh<sup>−1</sup>, representing the state-of-the-art performance. These findings highlight the utilization of molecular switch and its interfacial protection of the deep cycled zinc anode, and provide a new tactic for the development of high energy metal battery.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"11 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultra-High Rate and Long Cycle Life Sodium-Based Dual-Ion Batteries Enabled by Li2TiO3-Modified Cathode-Electrolyte-Interphase 由 Li2TiO3 改性阴极-电解质-间相实现的超高速率和长循环寿命钠基双离子电池
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-16 DOI: 10.1016/j.ensm.2024.103912
Fangchao Han, Shichao Zhang, Jun Xia, Dezhi Yan, Yalan Xing, Xianggang Guan, Qianfan Zhang
{"title":"Ultra-High Rate and Long Cycle Life Sodium-Based Dual-Ion Batteries Enabled by Li2TiO3-Modified Cathode-Electrolyte-Interphase","authors":"Fangchao Han, Shichao Zhang, Jun Xia, Dezhi Yan, Yalan Xing, Xianggang Guan, Qianfan Zhang","doi":"10.1016/j.ensm.2024.103912","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103912","url":null,"abstract":"Sodium-based dual-ion batteries (SDIBs) have received widespread attention due to their high voltage, low cost, safety, and eco-friendliness. Nevertheless, the irregular spherical graphite cathodes are limited by the mass transfer non-uniformity and sluggish reaction kinetics due to uneven anion migration through the highly tortuous pathways and the inductive anisotropic electric fields. Herein, we report a facile dissolution-precipitation-carbonation optimized modification strategy to synthesize a series of nano-Li<sub>2</sub>TiO<sub>3</sub>/C-modified graphite flake (GF-LTx, x=1, 2.5, and 5) as cathode for SDIBs. The Li<sub>2</sub>TiO<sub>3</sub>-C-Cathode Electrolyte Interphase (Li<sub>2</sub>TiO<sub>3</sub>-C-CEI) trinity layer by <em>in situ</em> reactions shows good cycling performance. The intrinsic mechanism of Li<sub>2</sub>TiO<sub>3</sub>-C-CEI was further explored by DFT molecular orbital theory and distribution relaxation time (DRT) analysis. Notably, the GF-LT2.5 achieves 10,000 stable cycles at 3-5.2 V (vs. Na/Na<sup>+</sup>) with a initial capacity of 91.1 mAh g<sup>−1</sup> and a decay rate of only 0.00217% per cycle. Furthermore, GF-LT2.5 demonstrates an ultra-high rate performance of 100C with only 30s for a single charge and 86% capacity for low current density. Infrared thermography confirms the good thermal stability and safety of the gel-based flexible pouch cells. This work provides new insights into the design of high-rate performance, long-cycle stability, and high-safety energy storage systems.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"75 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142642698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rectifying solid electrolyte interphase structure for stable multi-dimensional silicon anodes 用于稳定多维硅阳极的整流固体电解质相间结构
IF 20.4 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-15 DOI: 10.1016/j.ensm.2024.103911
Changhaoyue Xu, Peng Jing, Zhiwen Deng, Qingqing Liu, Ye Jia, Xuemei Zhang, Yan Deng, Yun Zhang, Wenlong Cai
{"title":"Rectifying solid electrolyte interphase structure for stable multi-dimensional silicon anodes","authors":"Changhaoyue Xu, Peng Jing, Zhiwen Deng, Qingqing Liu, Ye Jia, Xuemei Zhang, Yan Deng, Yun Zhang, Wenlong Cai","doi":"10.1016/j.ensm.2024.103911","DOIUrl":"https://doi.org/10.1016/j.ensm.2024.103911","url":null,"abstract":"Electrolyte engineering is a promising strategy to stabilize electrode structure. However, the high active material utilization of Si anode accompanied by inevitable huge volume expansion makes higher requirements than regulating Li metal deposition behaviors from dendrite growth. Herein, we rectified the solid electrolyte interphase (SEI) layer on Si surface to maintain the electrode integrity during repeated cycling. In our design, an oligomeric buffer layer (CHO<sub>2</sub><sup>-</sup>/CH<sub>3</sub>O<sup>-</sup>) derived from FEC and an inorganic pillar (LiF/Li<sub>3</sub>N) derived from LiFSI/LiNO<sub>3</sub> weave into organic-inorganic crosslinking SEI during the initial activation process. Leveraging COMSOL modeling reveals the small stress and strain of the Si particle under the protective effect of concrete SEI layers. Moreover, synchrotron X-ray 3D nano-computed tomography comprehensively elucidates the structural integrity of Si particles during cycling. With this merit, various silicon-based anodes show remarkable cycling stability. Notably, the Si/C || LiFePO<sub>4</sub> full battery still affords a capacity retention ratio exceeding 95% at 1 mA cm<sup>−2</sup> after 300 cycles. This interphase engineering design strategy provided in our work advances the understanding of how to cope with devastating volume variation by leveraging the SEI characteristic perspective.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"5 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142637570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MXene-based micro-supercapacitors powered integrated sensing system: Progress and prospects 基于 MXene 的微型超级电容器驱动的集成传感系统:进展与前景
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-14 DOI: 10.1016/j.ensm.2024.103907
Hongpeng Li , Shumei Ding , Jiabao Ding , Junhao Luo , Shuiren Liu , Haibo Huang
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