Journal of energy storage最新文献

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Inceptive high-performance flexible aqueous aluminum-ion batteries derived from pre-intercalated copper hexacyanoferrate cathode 从预插层六氰铁酸铜阴极衍生的高性能柔性水铝离子电池
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-30 DOI: 10.1016/j.est.2025.117881
Kaifee Sayeed , Aditya Sadhanala , Channabasaveshwar V. Yelamaggad , Kavita Pandey
{"title":"Inceptive high-performance flexible aqueous aluminum-ion batteries derived from pre-intercalated copper hexacyanoferrate cathode","authors":"Kaifee Sayeed ,&nbsp;Aditya Sadhanala ,&nbsp;Channabasaveshwar V. Yelamaggad ,&nbsp;Kavita Pandey","doi":"10.1016/j.est.2025.117881","DOIUrl":"10.1016/j.est.2025.117881","url":null,"abstract":"<div><div>Aqueous aluminum-ion batteries (AAIBs) have increasingly been regarded as inexpensive, non-toxic, environmentally benign, and safe energy storage devices that can replace lithium-ion batteries (LIBs) because of their potential to achieve a high energy density. They might be integrated into future technologies, such as grid storage or flexible electronics, aligning with their advantages. While the commercialization of AAIBs is challenging, as the three-electron transfer reactions of Al<sup>3+</sup>/Al are difficult to realize and its charge transfer mechanism is still debated, the use of intercalation materials such as copper hexacyanoferrate (CuHCFe) stands out as an appealing strategy to enhance their electrochemical performance. Building on this approach, we successfully developed CuHCFe intercalated with Al<sup>3+</sup> ions and utilized the resulting material to fabricate, for the first time, a flexible aqueous aluminum-ion battery full cell where a sol-gel synthesized MoO<sub>3</sub> anode has been incorporated. The fabricated device shows a specific capacity of 66.84 mAh g<sup>−1</sup> at a current density of 0.5 Ag<sup>−1</sup>. It maintained a coulombic efficiency of 96.77 % over 150 cycles, with almost no capacity fading. The flexibility of the device was studied by testing bending angles of 60°, 90°, and 180°. At 0.5 Ag<sup>−1</sup>, the battery exhibited specific capacities of 65.38, 56.78, and 52.93 mAh g<sup>−1</sup> at 60°, 90°, and 180° bending conditions, respectively, highlighting its remarkable flexibility with 79.2 % capacity retention after 180° bending.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117881"},"PeriodicalIF":8.9,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144738845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tuning Zn ion diffusion and desolvation via zincophilic carbonyl-rich interphase towards highly reversible and dendrite-free zinc anodes 通过亲锌富羰基间相调节锌离子向高度可逆和无枝晶锌阳极扩散和脱溶
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117872
Xiao-Jiang Chen , Jia-Pu Guo , Yue-Xian Song , Kai Wang , Yao-Hui Zhang , Xu-Huan Guo , Hui-Yuan Cheng , Han-Tao Liu , Jun-Fei Liang , Xiao-Bin Zhong , Jin-Chao Dong
{"title":"Tuning Zn ion diffusion and desolvation via zincophilic carbonyl-rich interphase towards highly reversible and dendrite-free zinc anodes","authors":"Xiao-Jiang Chen ,&nbsp;Jia-Pu Guo ,&nbsp;Yue-Xian Song ,&nbsp;Kai Wang ,&nbsp;Yao-Hui Zhang ,&nbsp;Xu-Huan Guo ,&nbsp;Hui-Yuan Cheng ,&nbsp;Han-Tao Liu ,&nbsp;Jun-Fei Liang ,&nbsp;Xiao-Bin Zhong ,&nbsp;Jin-Chao Dong","doi":"10.1016/j.est.2025.117872","DOIUrl":"10.1016/j.est.2025.117872","url":null,"abstract":"<div><div>Serious dendrite formation and sluggish dynamics at Zn anode hinder the commercialization of aqueous zinc-ion batteries (AZIBs). Here, a zincophilic and carbonyl-rich zinc citrate interphase was <em>in-situ</em> constructed on Zn anode surface (Zn@CZ) to overcome the above-mentioned challenges. Finding confirms that the introduced zinc citrate layer could effectively homogenize the interfacial electric field distribution and favor Zn<sup>2+</sup> transport at the anode due to the reduced nucleation barrier. Moreover, the functional oxygen-containing groups on Zn@CZ electrode accelerate the Zn<sup>2+</sup> desolvation process and isolate the electrolytes, which further restrains the water-related parasitic reactions. As a result, the Zn@CZ anode exhibits an ultralong cycle lifespan of 6270 h at 1 mA cm<sup>−2</sup>/0.5 mAh cm<sup>−2</sup>, and maintains long-term stability for 4320 h at 5 mA cm<sup>−2</sup>/2 mAh cm<sup>−2</sup> with a high cumulative plated capacity (10.8 Ah cm<sup>−2</sup>). The Zn@CZ//MnO<sub>2</sub> full cells also achieve an excellent retention rate of 88.2% after 1100 cycles. The work brings forward a facile and industry-compatible approach towards dendrite-free and high reversible AZIBs.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117872"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced pseudocapacitor performance using polyaniline‑zirconium dioxide nanocomposite all-in-one hydrogel 利用聚苯胺-二氧化锆纳米复合一体水凝胶增强假电容器性能
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117827
Fathiah Kamarulazam , N.K. Farhana , Shahid Bashir , M. Pershaanaa , Zhi Ling Goh , Loh Kah Hoe , S. Ramesh , K. Ramesh
{"title":"Enhanced pseudocapacitor performance using polyaniline‑zirconium dioxide nanocomposite all-in-one hydrogel","authors":"Fathiah Kamarulazam ,&nbsp;N.K. Farhana ,&nbsp;Shahid Bashir ,&nbsp;M. Pershaanaa ,&nbsp;Zhi Ling Goh ,&nbsp;Loh Kah Hoe ,&nbsp;S. Ramesh ,&nbsp;K. Ramesh","doi":"10.1016/j.est.2025.117827","DOIUrl":"10.1016/j.est.2025.117827","url":null,"abstract":"<div><div>Hydrogel electrolytes play a distinct and vital role in the development of flexible supercapacitors, as they facilitate excellent interfacial contact with the electrodes. Nevertheless, there remains a substantial opportunity for further development in supercapacitor design, particularly when employing binder-type electrode materials. This is due to the presence of interfacial contact resistance, which can compromise the supercapacitor's performance. Additionally, there are instances where the electrode materials fail to adhere completely to the electrode substrate, leading to a decline in the electrochemical performance of the supercapacitor. To address these challenges, a self-healing, all-in-one hydrogel supercapacitor was fabricated via in-situ polymerization of aniline and Zirconium dioxide (ZrO<sub>2</sub>) nanocomposites on the surface of self-healing natural rubber-based hydrogel electrolyte. This study introduces ZrO<sub>2</sub> nanoparticles along with polyaniline to enhance the all-in-one supercapacitor's performance, leveraging their exceptional structural, thermal, and electrochemical properties. When subjected to galvanostatic charge-discharge tests, the flexible all-in-one hydrogel supercapacitor displayed impressive areal capacitances, reaching 36.59 mF/cm<sup>2</sup>, 42.59 mF/cm<sup>2</sup>, and 47.62 mF/cm<sup>2</sup> for PZ0, PZ1, and PZ3 respectively, at a current density of 0.5 mA/cm<sup>2</sup>. Notably, the highest energy density and power density were achieved by PZ3 (containing 0.3 wt% ZrO<sub>2</sub>), yielding 144.67 μWh/cm<sup>2</sup> (at 0.5 mA/cm<sup>2</sup>) and 1345.10 μW/cm<sup>2</sup> (at 1 mA/cm<sup>2</sup>), respectively. Even at higher current densities (1 mA/cm<sup>2</sup>), the all-in-one hydrogel supercapacitor retained 61.84 % of its initial capacitance. These remarkable electrochemical properties of PZ3 are attributed to the ZrO<sub>2</sub> incorporation, by promoting Faradaic reactions at the electrode.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117827"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overcharging beha1vior and multi-signal early warning of the LiNi0.6Co0.2Mn0.2O2 lithium-ion pouch cells LiNi0.6Co0.2Mn0.2O2袋状锂离子电池过充行为及多信号预警
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117825
Xueya Zhang , Wei Chen , Meng Li , Hang Yu , Yongfei Ma , Hao Fan , Yibo Zhang , Shidong Li , Binbin Mao , Liang Zhou
{"title":"Overcharging beha1vior and multi-signal early warning of the LiNi0.6Co0.2Mn0.2O2 lithium-ion pouch cells","authors":"Xueya Zhang ,&nbsp;Wei Chen ,&nbsp;Meng Li ,&nbsp;Hang Yu ,&nbsp;Yongfei Ma ,&nbsp;Hao Fan ,&nbsp;Yibo Zhang ,&nbsp;Shidong Li ,&nbsp;Binbin Mao ,&nbsp;Liang Zhou","doi":"10.1016/j.est.2025.117825","DOIUrl":"10.1016/j.est.2025.117825","url":null,"abstract":"<div><div>Overcharging of lithium-ion batteries (LIBs) leads to irreversible degradation, failure, and severe thermal runaway (TR). This study systematically investigates the TR behavior of commercial Li (Ni<sub>0.6</sub>Co<sub>0.2</sub>Mn<sub>0.2</sub>) O<sub>2</sub>//graphite pouch cells under overcharging conditions at different C-rates (0.5, 0.75, and 1C). Based on the evolution of key parameters, the overcharging process could be divided into four stages, and the electrical and thermal behaviors of each stage are studied. Incremental capacity and differential voltage analysis reveals that overcharging disrupts the lithium-ion transport channels, leading to electrode material degradation and side reactions, which in turn increases the risk of TR. This deduction is confirmed through microscopic and spectroscopic characterizations. Post-mortem analysis reveals that overcharging causes the collapse of the layered cathode structure, the formation of large amounts of lithium deposits on the anode surface, and a reduction in the graphitization degree. To enhance the safety of LIBs, a multi-level early warning strategy is proposed according to the changes in multiple signals, such as maximum temperature difference, crest voltage, and the detection of gas. This study through comprehensive analyses, links electrode degradation to TR risk and innovatively proposes a multi-level early warning strategy with clear thresholds based on the evolution of multiple signals during the overcharging process, alleviating the limitations of existing single signal studies. It provides a theoretical foundation for the life management and safety surveillance of lithium-ion batteries under overcharge conditions.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117825"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lithium plating in commercial lithium-ion cells: An extensive study combining electrical methods with post-mortem analysis 商用锂离子电池中的锂电镀:一项结合电学方法和尸检分析的广泛研究
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117706
Heinrich Ditler , Thorsten Tegetmeyer-Kleine , Gereon Stahl , Christiane Rahe , Dirk Uwe Sauer
{"title":"Lithium plating in commercial lithium-ion cells: An extensive study combining electrical methods with post-mortem analysis","authors":"Heinrich Ditler ,&nbsp;Thorsten Tegetmeyer-Kleine ,&nbsp;Gereon Stahl ,&nbsp;Christiane Rahe ,&nbsp;Dirk Uwe Sauer","doi":"10.1016/j.est.2025.117706","DOIUrl":"10.1016/j.est.2025.117706","url":null,"abstract":"<div><div>The identification of lithium plating represents a fundamental aspect in the development of fast charging algorithms. This extensive study correlates established electrical detection methods with results of a post-mortem investigation. Commercial cells were therefore charged under a variety of operating conditions, including variations in temperature, current, cooling, clamping pressure and state-of-charge. Indicators of Li plating were analyzed using electrical stripping and voltage relaxation measurements. The post-mortem analysis included the digital image processing of over 5000 flatbed scans of anode electrode surfaces. To analyze the Li plating morphology and validate that the observed macroscopic structures are lithium plating, laser-scanning and scanning electron microscopy measurements combined with energy dispersive X-ray (EDX) analysis were performed. The use of a windowless EDX detector enabled the measurement of Li K<span><math><mi>α</mi></math></span> X-rays at 54<!--> <!-->eV, thereby confirming the presence of lithium metal in the grown structures. The structural analysis of the surface deposits revealed, for the first time in a commercial cell, a novel polyhedral Li plating morphology. These results contribute to the field of Li plating detection, as it is essential to understand the plating process and detect metallic lithium at an early stage in order to optimize battery lifetime and increase safety for the target application.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117706"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Movable SiO2 reinforced polymethyl methacrylate dual network coating for highly stable zinc anodes 用于高稳定性锌阳极的可移动SiO2增强聚甲基丙烯酸甲酯双网涂层
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117752
Liang Wu , Yuxuan Hu , Xian Du , Jie Lu , Zhuo Li , Na Cao , Shengrong Zhang , Huiling Du
{"title":"Movable SiO2 reinforced polymethyl methacrylate dual network coating for highly stable zinc anodes","authors":"Liang Wu ,&nbsp;Yuxuan Hu ,&nbsp;Xian Du ,&nbsp;Jie Lu ,&nbsp;Zhuo Li ,&nbsp;Na Cao ,&nbsp;Shengrong Zhang ,&nbsp;Huiling Du","doi":"10.1016/j.est.2025.117752","DOIUrl":"10.1016/j.est.2025.117752","url":null,"abstract":"<div><div>Aqueous zinc-ion batteries (ZIBs) have attracted significant attention due to their high volumetric energy density, low redox potential, and remarkable safety features. However, zinc anodes in ZIBs suffer from issues such as uncontrolled dendrite growth, hydrogen evolution reaction (HER), corrosion, and passivation, which severely limit their performance and lifespan. Herein, an interfacial composite coating was constructed on the zinc anode. SiO<sub>2</sub> is uniformly dispersed as a secondary network within the polymethyl methacrylate (PMMA) matrix. It enhances the mechanical strength and ionic conductivity of the PMMA framework, promotes the homogeneous deposition of zinc ions (Zn<sup>2+</sup>), and serves as an effective barrier between the anode and the electrolyte, thereby inhibiting the hydrogen evolution reaction (HER) and reducing metal corrosion. The symmetric cell with the modified anode achieves an ultralong cycling lifespan of 2200 h at 3 mA cm<sup>−2</sup>, while the full cell demonstrates exceptional rate capability and cycling stability. Furthermore, theoretical calculations elucidate that SiO₂ acts as a “restrictor” by reducing the crystallinity of PMMA and enhancing the movement of chain segments, ultimately facilitating the transfer of Zn<sup>2+</sup>. This research provides a technological foundation for expanding the applications of ZIBs.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117752"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Centralized strategy learning with multi-feature scale health factors for lithium-ion battery RUL prediction 基于多特征尺度健康因子的锂离子电池RUL预测集中策略学习
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117875
Jun Zhou , Peng Wang , Xing Wu , Tao Liu
{"title":"Centralized strategy learning with multi-feature scale health factors for lithium-ion battery RUL prediction","authors":"Jun Zhou ,&nbsp;Peng Wang ,&nbsp;Xing Wu ,&nbsp;Tao Liu","doi":"10.1016/j.est.2025.117875","DOIUrl":"10.1016/j.est.2025.117875","url":null,"abstract":"<div><div>The prediction accuracy of the remaining useful life (RUL) of lithium-ion batteries is an important condition to ensure the safe and effective driving of electric vehicles. In the feature factor selection stage, the existing methods mostly use a single health factor, or introduce the method of sample entropy to fuse the features of multiple health factors. This paper proposes a lithium-ion battery RUL prediction based on multi-feature scale health factors and a centralized strategy learning method. It aims to reduce the time complexity of data preprocessing and consider the interaction between data. Firstly, to ensure the richness of the data sequences and its interaction effects, multi-feature scale health factors are extracted from the battery dataset. Secondly, the proposed multi-feature scale star aggregation and redistribution model is adopted. Multiple correlation coefficients were used to analyze the correlation of the extracted data sequences, and then self-adaptive selection was performed. A centralized strategy learning approach was employed to capture inter-sequence dependencies, followed by feature aggregation and redistribution for prediction. Finally, the proposed method was rigorously evaluated on three distinct datasets: the NASA benchmark dataset, the Oxford battery degradation dataset, and our proprietary experimental dataset. Experimental validation demonstrates that the proposed prediction method achieves superior performance, maintaining consistently high coefficients of determination for RUL estimation across all datasets. Compared with other prediction methods, the proposed approach maintains errors below 1.7 %, demonstrating superior accuracy and enhanced generalization capability.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117875"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing the kinetics and stability via interface riveting and spatial confinement of bimetallic iron tin sulfides for high-rate and long-cycling sodium storage 通过界面铆接和空间约束提高双金属铁锡硫化物的动力学和稳定性,以实现高速率和长周期的钠储存
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117867
Shanshan Song , Zhenni Huang , Dazhong Wang , Linghao Zhang , Lu Zhang , Xiuqing Qin , Hongjing Lu , Zhujun Yao , Yefeng Yang
{"title":"Enhancing the kinetics and stability via interface riveting and spatial confinement of bimetallic iron tin sulfides for high-rate and long-cycling sodium storage","authors":"Shanshan Song ,&nbsp;Zhenni Huang ,&nbsp;Dazhong Wang ,&nbsp;Linghao Zhang ,&nbsp;Lu Zhang ,&nbsp;Xiuqing Qin ,&nbsp;Hongjing Lu ,&nbsp;Zhujun Yao ,&nbsp;Yefeng Yang","doi":"10.1016/j.est.2025.117867","DOIUrl":"10.1016/j.est.2025.117867","url":null,"abstract":"<div><div>Enhancing the reaction kinetics and structural stability in metal sulfide-based anodes through heterostructure construction coupled with carbon modification is a highly effective approach for improving sodium storage performance. However, the potential benefits associated with heterogeneous structures are often compromised due to the limited and poor interfacial contact among randomly distributed metal sulfides, as well as inadequate protection of active materials by the carbon matrix. To address these challenges, we delicately design and synthesize FeS<sub>2</sub>/SnS<sub>2</sub> nanoparticles embedded within multi-channel carbon nanofibers (P-FeS<sub>2</sub>/SnS<sub>2</sub>@MC) via a sequential hydrothermal, electrospinning and calcination processes. Unlike conventional metal salts, the use of Fe<img>Sn Prussian blue analogues (Fe<img>Sn PBAs) as a functional precursor, plays a critical role in establishing multiphase interface riveting of bimetallic sulfides with rich heterointerfaces and strong interactions, thereby enhancing reaction kinetics and structural stability. Moreover, the incorporation of multi-channel carbon nanofibers guarantees rapid ion/electron transfer kinetics, favorable spatial confinement, and effective volume variation buffering. As expected, attributing to the synergistic effects, the P-FeS<sub>2</sub>/SnS<sub>2</sub>@MC demonstrates a high reversible capacity of 672 mAh g<sup>−1</sup> at 1 A g<sup>−1</sup>, excellent rate capability of 571 mAh g<sup>−1</sup> at 5 A g<sup>−1</sup>, and outstanding long-cycling stability with 87 % retention at 5 A g<sup>−1</sup> over 2000 cycles. This study highlights the significance of interface engineering and spatial confinement in advancing metal sulfide-based anodes for high-performance energy storage.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117867"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterizing the diffusion of hydrogen and methane in rock salt formations: A comparative study of molecular dynamic simulation 表征氢和甲烷在岩盐地层中的扩散:分子动力学模拟的比较研究
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117804
Zhuyan Zheng , Guibin Wang , Hongling Ma , Chengcheng Niu , Huandui Liu , Zhen Zeng , Hang Li , Xuan Wang , Chunhe Yang
{"title":"Characterizing the diffusion of hydrogen and methane in rock salt formations: A comparative study of molecular dynamic simulation","authors":"Zhuyan Zheng ,&nbsp;Guibin Wang ,&nbsp;Hongling Ma ,&nbsp;Chengcheng Niu ,&nbsp;Huandui Liu ,&nbsp;Zhen Zeng ,&nbsp;Hang Li ,&nbsp;Xuan Wang ,&nbsp;Chunhe Yang","doi":"10.1016/j.est.2025.117804","DOIUrl":"10.1016/j.est.2025.117804","url":null,"abstract":"<div><div>Underground hydrogen storage in salt caverns is a promising solution for large-scale storage, yet hydrogen's high diffusivity raises safety concerns compared to conventional methane storage. This study employs molecular dynamics simulations to quantitatively compare the diffusion behaviors of hydrogen and methane in nanoscale halite slit pores under typical storage conditions. Results reveal that hydrogen exhibits 6.42–12.35 times higher diffusion coefficients than methane. Attributed to hydrogen's weaker van der Waals interactions with halite surfaces, methane adsorption energy is 0.730–1.029 kcal/mol lower and accumulates 1.72–2.23 times more densely near slit pore walls, while hydrogen distributes homogeneously with secondary mid-pore density peaks. Activation energy analysis indicates methane requires 0.424–0.724 kcal/mol higher energy for diffusion. Furthermore, three components of diffusion activation energy are identified: gas-mineral interaction, spatial confinement, and gas-gas interaction. As pore size increases, gas-gas interaction dominates, with hydrogen converging to 0.915 kcal/mol and methane to 1.642 kcal/mol. Notably, hydrogen requires more energy to overcome spatial confinement in slit pores compared to methane, likely due to its smaller molecular diameter. These findings provide atomic-scale insights into gas transport mechanisms, offering critical guidance for optimizing salt cavern hydrogen storage design and leakage mitigation strategies.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":"132 ","pages":"Article 117804"},"PeriodicalIF":8.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Augmented real-time lumped-parameter model for enhanced reliability in battery management systems 提高电池管理系统可靠性的增强实时集总参数模型
IF 8.9 2区 工程技术
Journal of energy storage Pub Date : 2025-07-29 DOI: 10.1016/j.est.2025.117717
Mehrdad Babazadeh, James Marco, Mona Faraji Niri
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