Energy Storage Materials最新文献_第3页

Machine learning-accelerated discovery of polyimide derivatives for high-temperature electrostatic energy storage

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-18 DOI: 10.1016/j.ensm.2025.104266

Chao-Fan Wan , Zhong-Hui Shen , Jian-Yong Jiang , Jie Shen , Yang Shen , Ce-Wen Nan

{"title":"Machine learning-accelerated discovery of polyimide derivatives for high-temperature electrostatic energy storage","authors":"Chao-Fan Wan , Zhong-Hui Shen , Jian-Yong Jiang , Jie Shen , Yang Shen , Ce-Wen Nan","doi":"10.1016/j.ensm.2025.104266","DOIUrl":"10.1016/j.ensm.2025.104266","url":null,"abstract":"<div><div>Molecular engineering of polyimide (PI) has been an effective method for achieving high-performance polymer dielectrics with both good energy storage capability and enhanced thermal stability. However, the rational design of PI derivatives on demand remains a great challenge due to the complex and nonlinear structure-property relationships. To address this challenge, we developed an integrated framework that combines theoretical calculations, advanced molecular descriptors, and machine learning models to study the effect of molecular structures on five key properties of energy gap (<em>E</em><sub>g</sub>), lowest unoccupied molecular orbital (LUMO), dielectric constant (<em>D</em><sub>k</sub>), fractional free volume (FFV) and glass transition temperature (<em>T</em><sub>g</sub>). By employing Artificial Neural Network (ANN), the framework captured nonlinear dependencies between molecular structures and five properties, achieving the prediction accuracy of <em>R</em><sup>2</sup> > 0.90, far surpassing traditional linear models. Using a multi-objective optimization strategy to screen over 200,000 polyimide derivatives, eight optimal molecules with superior properties (e.g., <em>E</em><sub>g</sub> > 4.0 eV, <em>T</em><sub>g</sub> > 300 °C, and <em>D</em><sub>k</sub> > 3.3) were discovered with great potential for applications in high-temperature electrostatic energy storage. This study provides a robust, data-driven approach for multi-property optimization, bridging theoretical insights with machine learning to accelerate the design of advanced polymer dielectrics.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104266"},"PeriodicalIF":18.9,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143849455","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

Prussian blue analogues for advanced non-aqueous sodium ion batteries: Redox mechanisms, key challenges and modification strategies

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-18 DOI: 10.1016/j.ensm.2025.104256

Lina Zhao , Shangyi Bi , Junyi Li , Yuhao Wen , Hongjian Zhang , Dan Zhang , Shanshan Lu , PeiPei Yin , Fanian Shi , Jie Yan , Shanshan Pan , Haitao Zhang

{"title":"Prussian blue analogues for advanced non-aqueous sodium ion batteries: Redox mechanisms, key challenges and modification strategies","authors":"Lina Zhao , Shangyi Bi , Junyi Li , Yuhao Wen , Hongjian Zhang , Dan Zhang , Shanshan Lu , PeiPei Yin , Fanian Shi , Jie Yan , Shanshan Pan , Haitao Zhang","doi":"10.1016/j.ensm.2025.104256","DOIUrl":"10.1016/j.ensm.2025.104256","url":null,"abstract":"<div><div>The increasing demand for sustainable energy storage solutions has driven significant advancements in sodium-ion batteries (SIBs), which offer a cost-effective and resource-abundant alternative to lithium-ion batteries. Among various cathode materials, Prussian Blue Analogues (PBAs) have emerged as promising candidates due to their unique open-framework structures, high theoretical capacities, and eco-friendly synthesis methods. This review provides a comprehensive analysis of recent advancements in PBAs for SIBs, focusing on the intricate relationships between their crystal structures, sodium-ion storage mechanisms, and electrochemical performance. Key challenges, such as structural defects, crystalline water content, low reaction kinetics, and the Jahn-Teller effect, are critically examined alongside failure mechanisms that impact long-term cycling stability. Advanced modification strategies, including vacancy control, water content optimization, surface/interface engineering, and compositional tuning, are discussed to address these issues. Furthermore, this paper highlights innovative approaches such as high-entropy strategies, heterostructure design, and electrolyte optimization to enhance the stability, conductivity, and rate capability of PBAs. By providing up-to-date insights and proposing future research directions, this review aims to advance the practical implementation of PBAs in next-generation SIBs with improved performance and commercial viability.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104256"},"PeriodicalIF":18.9,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143849457","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 dynamic supramolecular electrolyte with high fluorine and self-healing via phase-locking strategy using in quasi-solid-state lithium-metal batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-18 DOI: 10.1016/j.ensm.2025.104265

You Zhou , Yuhan Li , Xinyu Liu , Junhao Lv , Yaqiong Su , Ling Weng

{"title":"Constructing dynamic supramolecular electrolyte with high fluorine and self-healing via phase-locking strategy using in quasi-solid-state lithium-metal batteries","authors":"You Zhou , Yuhan Li , Xinyu Liu , Junhao Lv , Yaqiong Su , Ling Weng","doi":"10.1016/j.ensm.2025.104265","DOIUrl":"10.1016/j.ensm.2025.104265","url":null,"abstract":"<div><div>Quasi-solid-state lithium metal batteries are considered as improved safety and high theoretical capacity storage devices, still suffer from unsatisfactory electrochemical performance due to incompatible electrolyte-electrodes interface, inhomogeneous and insufficient ionic conductivity of polymer electrolyte. Herein, we construct a stretchable, self-healing, high fluorine quasi‑solid‑state polymer electrolyte under recombination originating from multiple dynamic bonds and phase-locking strategy in the unique dynamic supramolecular structure. C-F bond and benzene ring locking in hard phase not only improves the thermal stability of electrolyte system, but also contributes to the formation of beneficial fluorine-containing interface layer. C=O bonds in the soft phase of supramolecular facilitates the coupling and migration of chain segments to Li<sup>+</sup>, increasing the transport efficiency of Li<sup>+</sup>. Lithium-ion transport networks are established via abundant -CH<sub>2</sub>-O-CH<sub>2</sub>- in the soft phase and ensures uniform transport of Li<sup>+</sup> in the microregion. Multiple hydrogen bonds are constructed between hard phase and hard phase that endow the elastomers system with self-healing ability, high tensile strength and strongly stretchable. Fluorine-containing hydrogen bonds induce uniform distribution of charges and accelerating the ions migration at the electrolyte/electrode interface. Benefiting from the improvements in electrolytes, a high capacity and safety of quasi-solid-state lithium metal battery could be achieved.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104265"},"PeriodicalIF":18.9,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143849456","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

Specific adsorption effect induces differential deposition structures to achieve 2-year stable cycling of zinc metal anodes

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-18 DOI: 10.1016/j.ensm.2025.104249

Changchun Fan , Jun Han , Diansen Li , Lei Jiang

{"title":"Specific adsorption effect induces differential deposition structures to achieve 2-year stable cycling of zinc metal anodes","authors":"Changchun Fan , Jun Han , Diansen Li , Lei Jiang","doi":"10.1016/j.ensm.2025.104249","DOIUrl":"10.1016/j.ensm.2025.104249","url":null,"abstract":"<div><div>The High reactivity of zinc metal anodes (ZMA) in aqueous solutions leads to dendrite growth and side reactions, greatly hindering their commercialization. Introducing a trace amount of 1-butyl-3-methylimidazolium iodide into the electrolyte forms a dual-ion specific adsorption layer. This adsorption layer creates a H<sub>2</sub>O-poor Helmholtz layer, effectively preventing side reactions between active water dipoles and ZMA, and accelerating the flux and diffusion of Zn<sup>2+</sup> at the anode-electrolyte interface, reducing electrochemical polarization. Additionally, I<sup>-</sup> plays a decisive role in the nucleation and growth of Zn, selectively controlling the direction of zinc deposition according to the differences in the cycling system. The adjustable deposition direction avoids lattice distortion caused by Zn(002) or dendrite growth caused by Zn(101). Therefore, Zn//Cu and Zn//Zn batteries have a record Coulombic efficiency (99.95 %) and cycle life (19,000 h, over 2 years). Characterization techniques such as synchrotron radiation, multiphysics field simulations and density functional theory calculations are used to validate the stability enhancement mechanism. This work provides a reference for achieving efficient and stable ZMA. Additionally, the simple method for separating and recycling high-value BMIMI from waste electrolytes is of significant importance for green and sustainable chemistry.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104249"},"PeriodicalIF":18.9,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143845302","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

Built-in electric field-driven stress dissipation in multifaceted Bi₂S₃/Bi₂Te₃ heterostructures for sodium-ion batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-17 DOI: 10.1016/j.ensm.2025.104262

Zhuoying Cheng , Huiying Yu , Yichen Ke , Dianxue Cao , Jun Yan , Yingying Zhao , Kai Zhu

{"title":"Built-in electric field-driven stress dissipation in multifaceted Bi₂S₃/Bi₂Te₃ heterostructures for sodium-ion batteries","authors":"Zhuoying Cheng , Huiying Yu , Yichen Ke , Dianxue Cao , Jun Yan , Yingying Zhao , Kai Zhu","doi":"10.1016/j.ensm.2025.104262","DOIUrl":"10.1016/j.ensm.2025.104262","url":null,"abstract":"<div><div>Sodium-ion batteries (SIBs) hold great promise for large-scale grid energy storage, but their development is hindered by electrode pulverization induced by excessive volume changes and strain accumulation during long-term cycling. Herein, we present a capable strategy to address these challenges by integrating built-in electric fields (BIEFs) across multiple interfaces and cross-linked internal structure to enhance ultrafast Na<sup>+</sup> kinetics and alleviate internal strain. Using Bi<sub>2</sub>S<sub>3</sub>/Bi<sub>2</sub>Te<sub>3</sub> heterostructures as a model system, we demonstrate that the synergistic effects of micro-scale BIEFs and macro-scale cross-linked architectures efficiently disperse internal stresses in multiple directions. Multi-physics simulation and experimental results reveal the ability of this design to stabilize conversion-type anodes, achieving a remarkable rate capability of 575 mAh g<sup>−1</sup> at a current density of 5.0 A g<sup>−1</sup> with an impressive long-term cycling stability exceeding 3000 cycles. This work highlights a versatile approach to strain management, paving the way for the design of durable and high-performance conversion-type anodes for sodium-ion batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104262"},"PeriodicalIF":18.9,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143841733","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

Breaking the solubility limit of sodium difluorophosphate with anion receptor: Enabling high-voltage, zero-gas-emission sodium-ion pouch cell 利用阴离子受体打破二氟磷酸钠的溶解度极限：实现高电压、零气体排放的钠离子袋式电池

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-17 DOI: 10.1016/j.ensm.2025.104263

Jian Cai , Yongqi Li , Anfei Wang , Shufeng Li , Tao Jiang , Xiaoyang Zhao , Junmin Nan

{"title":"Breaking the solubility limit of sodium difluorophosphate with anion receptor: Enabling high-voltage, zero-gas-emission sodium-ion pouch cell","authors":"Jian Cai , Yongqi Li , Anfei Wang , Shufeng Li , Tao Jiang , Xiaoyang Zhao , Junmin Nan","doi":"10.1016/j.ensm.2025.104263","DOIUrl":"10.1016/j.ensm.2025.104263","url":null,"abstract":"<div><div>In contrast to well-known methods that use high-polarity solvents to dissolve poorly soluble sodium salts, an “anion-anion receptor synergy” strategy is developed to overcome the solubility limit of sodium difluorophosphate (NaDFP) and generate functional electrolytes by introducing the anion receptor reagent tris(pentafluorophenyl)borane (TFBB). The resulting electrolyte can effectively enhance the high-voltage and safety performance of pouch NaNi<sub>0.33</sub>Fe<sub>0.33</sub>Mn<sub>0.33</sub>O<sub>2</sub> (NFM)/hard carbon (HC) sodium-ion batteries (SIBs); a capacity retention of 90 % after 550 cycles under a charge cutoff voltage of 4.0 V is successfully achieved, and no visible gas production is observed. The performance enhancement is ascribed to avoiding excessive dissolution of the anode and cathode interfacial films caused by traditional highly polar electrolytes and optimizing the two electrode‒electrolyte interfaces and solvation structure benefited from the as-designed electrolyte composition. This work provides a functional electrolyte with promising application prospects as well as new insights regarding the use of poorly soluble additives to design functional multicomponent electrolytes for SIBs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104263"},"PeriodicalIF":18.9,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143846530","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

Machine-learning-assisted design of cathode catalysts for metal-sulfur/oxygen/carbon dioxide batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-15 DOI: 10.1016/j.ensm.2025.104261

Qi Zhang, Rui Yang, Zhengran Wang, Yifan Li, Fangbing Dong, Junjie Liu, Shenglin Xiong , Aimin Zhang, Jinkui Feng

{"title":"Machine-learning-assisted design of cathode catalysts for metal-sulfur/oxygen/carbon dioxide batteries","authors":"Qi Zhang, Rui Yang, Zhengran Wang, Yifan Li, Fangbing Dong, Junjie Liu, Shenglin Xiong , Aimin Zhang, Jinkui Feng","doi":"10.1016/j.ensm.2025.104261","DOIUrl":"10.1016/j.ensm.2025.104261","url":null,"abstract":"<div><div>Metal-sulfur/oxygen/carbon dioxide batteries, which are promising high-energy power systems, all suffer from the drawback of slow reaction kinetics in cathode reactions, resulting in suboptimal battery performance. Cathode catalysts can effectively accelerate reaction kinetics, thereby enhancing battery performance. However, challenges remain in catalyst screening, and there is an unclear understanding of catalytic mechanisms. Machine learning offers a rapid approach to screening efficient catalysts and deeply exploring the mechanism of catalysis, making it a promising tool for advancing catalyst development. Nowadays, comprehensive reviews on the role of machine learning in aiding the development of cathode catalysts for metal-sulfur/oxygen/carbon dioxide batteries are rare. This review systematically summarizes the application of machine learning in cathode catalysts and presents some perspectives for future research. This review may be useful for developing Metal-sulfur/oxygen/carbon dioxide batteries and related areas.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104261"},"PeriodicalIF":18.9,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143837052","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

In-situ polymerization formed self-healing quasi-solid electrolyte for high-loading lithium batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-15 DOI: 10.1016/j.ensm.2025.104250

Honghao Liu , Songteng Luo , Yuzi Yang , Xianming Zhao , Gaoxu Huang , Xiaopan Jin , Tianyu Zhong , Mengjia Guan , Jichang Liu , Yongsheng Li

{"title":"In-situ polymerization formed self-healing quasi-solid electrolyte for high-loading lithium batteries","authors":"Honghao Liu , Songteng Luo , Yuzi Yang , Xianming Zhao , Gaoxu Huang , Xiaopan Jin , Tianyu Zhong , Mengjia Guan , Jichang Liu , Yongsheng Li","doi":"10.1016/j.ensm.2025.104250","DOIUrl":"10.1016/j.ensm.2025.104250","url":null,"abstract":"<div><div>High-energy-density lithium batteries face critical challenges including mechanical damage and poor electrode/electrolyte contact, which leads to discontinuous interfacial charge transfer and high interfacial resistance. To address these issues, a novel self-healing quasi-solid electrolyte (SHQSE) was synthesized through in-situ polymerization. The design employs hydroxyethyl acrylate as a molecular bridge to combine acrylates and polyurethanes with disulfide and complementary hydrogen bonds. These multiple dynamic bonds enable rapid Li<sup>+</sup> transport (7.2 × 10<sup>–4</sup> S cm<sup>-1</sup>) and enhanced self-healing capability. Furthermore, the excellent solid electrolyte/electrode interfacial contact is achieved during cycling through in-situ polymerization, and interfacial defects caused by polymer chain exchange and reorganization are effectively repaired. Consequently, capacity retention of 62.6 % in high-loading (>10 mg cm<sup>-2)</sup> LiFePO<sub>4</sub> cells and 75.5 % in LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub> cells after 500 cycles were obtained. Additionally, the self-healing polymer (SHP) functions as ion conductive agent, and continuous Li<sup>+</sup> transport paths formed within silicon carbon (Si/C) electrodes enable electrode integrity, achieving 74.5 % capacity retention over 200 cycles at 0.33 C. Moreover, the 2 Ah NCM811|Si/C@SHP soft pack battery with SHQSE exhibits an ultra-long cycle life and safety. This innovatively in-situ formed SHQSE offers an effective way for the development of high-performance solid-state batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104250"},"PeriodicalIF":18.9,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143837049","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

Strategic cathode configuration for incorporating sacrificial materials in all-solid-state batteries: Mixed vs. separate layer 在全固态电池中加入牺牲材料的战略性阴极配置：混合层与分离层

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-15 DOI: 10.1016/j.ensm.2025.104258

Dayoung Jun , Kyu Seok Kim , Tae Eun Kim , Seihyun Shim , Seong Gyu Lee , Ji Eun Jung , Ji Young Kim , Ki Yoon Bae , Samick Son , Yun Jung Lee

{"title":"Strategic cathode configuration for incorporating sacrificial materials in all-solid-state batteries: Mixed vs. separate layer","authors":"Dayoung Jun , Kyu Seok Kim , Tae Eun Kim , Seihyun Shim , Seong Gyu Lee , Ji Eun Jung , Ji Young Kim , Ki Yoon Bae , Samick Son , Yun Jung Lee","doi":"10.1016/j.ensm.2025.104258","DOIUrl":"10.1016/j.ensm.2025.104258","url":null,"abstract":"<div><div>Cathode pre-lithiation is one of the key strategies to mitigate the high irreversibility in all-solid-state batteries (ASSBs). However, the decomposition of sacrificial material mixed with cathode active materials (CAM) creates voids and resistive by-products in the CAM layer, degrading performance. Here, we propose a strategy for reconfiguring a composite cathode structure with a Li<sub>3</sub>P sacrificial material to maximize the pre-lithiation effect. Our approach was to apply Li<sub>3</sub>P as a separate layer rather than mix it into CAMs, so that the CAMs are free from damage. The location of the sacrificial layer between the current collector and the CAM layer was critically important for efficient Li ion and electron transport to the CAM. The proposed configuration achieved a significantly enhanced pre-lithiation effect, resulting in effective compensation for the high irreversibility in ASSBs. The full cells with Si and Ag anodes that include a Li<sub>3</sub>P-layer demonstrated a 124 % (Si anode) and 261 % (5 μm Ag foil anode) increase in initial discharge capacity compared to cells without Li₃P. This study provides a simple solution for implementing high-energy-density but highly irreversible anodes in ASSBs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104258"},"PeriodicalIF":18.9,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832477","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

Scalable shell doping strategy for enhancing the stability of Ni-rich cathode materials

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-14 DOI: 10.1016/j.ensm.2025.104252

Myoung-Chan Kim , Byung-Chun Park , Nam-Yung Park , Min-su Kim , Kyu-Moon Kim , Jae-Ho Kim , Eun-Jung Kim , Geon-Tae Park , Yang-Kook Sun

{"title":"Scalable shell doping strategy for enhancing the stability of Ni-rich cathode materials","authors":"Myoung-Chan Kim , Byung-Chun Park , Nam-Yung Park , Min-su Kim , Kyu-Moon Kim , Jae-Ho Kim , Eun-Jung Kim , Geon-Tae Park , Yang-Kook Sun","doi":"10.1016/j.ensm.2025.104252","DOIUrl":"10.1016/j.ensm.2025.104252","url":null,"abstract":"<div><div>To improve the stability of Ni-rich Li[Ni<sub>0.90</sub>Co<sub>0.05</sub>Mn<sub>0.05</sub>]O<sub>2</sub> (NCM90) cathodes, doping has proven to be an effective method for enhancing the performance of cathode materials. Nevertheless, the dry-doping process, which involves the mixing of the cathode precursor with lithium sources and dopants, is constrained by limitations in scalability and efficacy. This study introduces a wet-doping approach that focuses on the shell region (shell doping) with the objective of maximizing the doping effect and offering benefits in scaling up the cathode material production process in terms of commercialization. The W-shell doped NCM90 cathodes, prepared by doping W in the shell region of the secondary particle during the co-precipitation synthesis process of the [Ni<sub>0.90</sub>Co<sub>0.05</sub>Mn<sub>0.05</sub>](OH)<sub>2</sub> precursor, exhibit the formation of fine primary particles that are not observed in conventional NCM90 cathodes. Additionally, it forms a LiM<sub>2</sub>O<sub>4</sub>-type spinel-like crystal structure on the particle surface, contributing to improved cycling stability and rate capability. Furthermore, the shell doping method, which facilitates the uniform distribution of dopants throughout the co-precipitation synthesis process, was capable of maintaining the homogeneity of the doping effect even in large-scale cathode material synthesis processes. These findings extend beyond the discovery of a new doping method for enhancing cathode performance, offering a practical approach that can be applied to large-scale production processes from a commercialization perspective.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"78 ","pages":"Article 104252"},"PeriodicalIF":18.9,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832479","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