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学者姓名：张焱焱
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Abstract ：
Development of ionic liquid electrolytes (ILEs) plays a key role in achieving high safety and high energy density in lithium metal batteries. While introducing cosolvents can reduce the viscosity of ILEs and enhance Li+ transport ability, the impact of the solvating ability of cosolvents on the solvation structure of ILEs remains unclear. In this work, we rationally design the solvating ILEs, with different solvation abilities of cosolvents, and reveal the correlation between solvation structure and electrochemical performance. We found that introducing cosolvents with moderate solvating ability, such as ethyl acetate (EA), into the ionic liquid electrolyte can regulate the solvation structure of ILEs, thereby optimizing Li+ transport ability and enhancing the stability of the electrode/electrolyte interface. With our designed ionic liquid electrolytes (ILEs), the Li||Ni0.8Co0.1Mn0.1O2 battery cell demonstrates exceptional capacity retention of 84.8% after 800 cycles at 1.0C, significantly outperforming the battery with a conventional ester electrolyte, which retains only 22.1% capacity. This study provides practical solutions and foundational guidance for the rational design of advanced ionic liquid electrolytes and the selection of cosolvents, advancing the development of high-safety and high-energy-density LMBs.
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| GB/T 7714 | Lin, Wenjing , Chen, Daoyuan , Lin, Penghe et al. Moderately Solvating Ionic Liquid Electrolytes for High-Performance Lithium Metal Batteries [J]. | ENERGY & FUELS , 2025 , 39 (11) : 5622-5632 . |
| MLA | Lin, Wenjing et al. "Moderately Solvating Ionic Liquid Electrolytes for High-Performance Lithium Metal Batteries" . | ENERGY & FUELS 39 . 11 (2025) : 5622-5632 . |
| APA | Lin, Wenjing , Chen, Daoyuan , Lin, Penghe , Li, Jidao , Lu, Quan , Zhang, Yanyan et al. Moderately Solvating Ionic Liquid Electrolytes for High-Performance Lithium Metal Batteries . | ENERGY & FUELS , 2025 , 39 (11) , 5622-5632 . |
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Hard carbon is a promising candidate for potassium ion batteries due to its large interlayer spacing and abundant closed pores. However, the slow migration and sluggish diffusion kinetics of potassium ions lead to inferior insertion and pore-filling processes, causing severe ion channel blocking, continuous byproduct generation, and poor cycling stability. In this study, we coated hard carbon on top of tetragonal barium titanate particles forming a ferroelectricity-aided anode (t-BTO@C). The t-BTO@C anode exhibits higher interfacial charge density, enhanced insertion-pore filling capacity, and formation of fewer byproducts. The effective interaction between the spontaneous polarization electric field of t-BTO and potassium ions accelerates the potassium ion kinetics and ensures the homogeneous migration of potassium ions, as well as the improvement of t-BTO@C anode potassium storage. After 100 cycles at 0.05 A g-1, the t-BTO@C anode shows a specific capacity of 374.9 mA h g-1, higher than those of SiO2@Carbon (97.2 mA h g-1) and Pure Carbon (240.1 mA h g-1). Paired with a Prussian white cathode, the full cell shows a specific capacity of 313.0 mA h g-1 at 0.1 A g-1, with 88.9% capacity retention after 40 cycles, much higher than those in recent reports. Our strategy provides a new path to improve the performance of the hard carbon anode in potassium ion batteries.
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| GB/T 7714 | Li, Rui , An, Keyu , Hao, Ouyang et al. Ferroelectricity enhances ion migration in hard carbon anodes for high-performance potassium ion batteries [J]. | NANOSCALE , 2025 , 17 (10) : 5981-5992 . |
| MLA | Li, Rui et al. "Ferroelectricity enhances ion migration in hard carbon anodes for high-performance potassium ion batteries" . | NANOSCALE 17 . 10 (2025) : 5981-5992 . |
| APA | Li, Rui , An, Keyu , Hao, Ouyang , Li, Heng , Zhang, Yanyan , Tang, Yuxin et al. Ferroelectricity enhances ion migration in hard carbon anodes for high-performance potassium ion batteries . | NANOSCALE , 2025 , 17 (10) , 5981-5992 . |
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The development of solid-state electrolytes for Li-metal batteries demands high ionic conductivity, interfacial compatibility, and robust mechanical strength to address lithium dendrite formation and manufacturing challenges. Herein, We report a high-performance SSE, designed via in-situ polymerization of cross-linked poly(vinyl carbonate) (PVC) on a LATSP-coated polypropylene (PP) separator, resulting a LATSP@PP-PVC composite solid electrolyte. The PP separator ensures mechanical strength, while the LATSP coating improves wettability and lithium salt dissociation. Additionally, the cross-linked PVC network restricts TFSI-ion migration, enhancing Li+ conductivity. As a result, the composite exhibits excellent mechanical properties (70 MPa tensile strength, 54 % tensile strain), alongside a room-temperature ionic conductivity (3.19 x 10-4 S cm-1) and a Li+ transference number of 0.468. Li metal batteries employing this SSE paired with LiFePO4 cathodes show 81.56 % capacity retention after 800 cycles at 2 C, demonstrating its potential for commercial solid-state batteries. These findings hold promise for advancing the commercialization of composite electrolytes for solid state batteries.
Keyword ：
Cross-linked network Cross-linked network In-situ polymerization In-situ polymerization Interfaces Interfaces LATSP@PP separator LATSP@PP separator Solid-state lithium metal batteries Solid-state lithium metal batteries
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| GB/T 7714 | Zhao, Wenlong , Wang, Huihui , Dong, Qingyu et al. Mechanical stable composite electrolyte for solid-state lithium metal batteries [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 505 . |
| MLA | Zhao, Wenlong et al. "Mechanical stable composite electrolyte for solid-state lithium metal batteries" . | CHEMICAL ENGINEERING JOURNAL 505 (2025) . |
| APA | Zhao, Wenlong , Wang, Huihui , Dong, Qingyu , Shao, Hui , Zhang, Yanyan , Tang, Yuxin et al. Mechanical stable composite electrolyte for solid-state lithium metal batteries . | CHEMICAL ENGINEERING JOURNAL , 2025 , 505 . |
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Elucidating the microstructure of hard carbon is essential for uncovering the sodium storage mechanism and constructing state-of-the-art hard carbon anodes for sodium-ion batteries. Guided by an understanding of the crystallization process and inverse materials design principles, we design hard carbon anodes with different local fragments to understand the correlation between the microstructure of hard carbon and sodium storage behavior from the commercialization perspective. The sodiation transformation of hard carbon from slope- to plateau-type is realized via a series of local structure rearrangements, including tuning of the interlayer distance, average crystallite width of graphitic domains, and defect density. We found that the increase in plateau capacity is mainly related to the transition from the critical interlayer distance to the average crystallite width of graphitic domain control, and is limited by the closed pore volume of hard carbon. During sodiation, the formation of NaF and Na2O in the slope region, as well as Na2O2 and NaO2 in the plateau region, is always accompanied by the production of Na2CO3. This work provides insights into understanding the sodium storage behavior in hard carbon anodes and defines general structural design principles for transitioning from slope-type to plateau-type hard carbon.
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| GB/T 7714 | Wang, Feng , Chen, Lian , Wei, Jiaqi et al. Pushing slope- to plateau-type behavior in hard carbon for sodium-ion batteries via local structure rearrangement [J]. | ENERGY & ENVIRONMENTAL SCIENCE , 2025 , 18 (9) : 4312-4323 . |
| MLA | Wang, Feng et al. "Pushing slope- to plateau-type behavior in hard carbon for sodium-ion batteries via local structure rearrangement" . | ENERGY & ENVIRONMENTAL SCIENCE 18 . 9 (2025) : 4312-4323 . |
| APA | Wang, Feng , Chen, Lian , Wei, Jiaqi , Diao, Caozheng , Li, Fan , Du, Congcong et al. Pushing slope- to plateau-type behavior in hard carbon for sodium-ion batteries via local structure rearrangement . | ENERGY & ENVIRONMENTAL SCIENCE , 2025 , 18 (9) , 4312-4323 . |
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Layered oxide cathodes show great promise for commercial applications due to their low cost, high specific capacity, and energy density. However, their rapid capacity decay and slow kinetics primarily caused by harmful phase transitions and a high energy barrier for Na+ diffusion result in inferior battery performance. Herein, we modulate the crystal structure of layered oxide cathodes by replacing the Fe3+ site with Al3+, which strengthens the transition metal layers and enlarges the Na translation layer owing to the smaller ion radius of Al3+ and the stronger bonding energy of Al-O. This restrains the Jahn-Teller effect owing to transition metal dissolution and improves the electrochemical kinetics. Consequently, the modified cathodes exhibited an excellent high-rate performance of 111 mA h g-1 at a high rate of 5.0C and an unexpectedly long cycling life with a 73.88% capacity retention rate after 500 cycles at 5.0C, whereas the bare cathode exhibited a rate performance of 97.3 mA h g-1 with a low capacity retention rate of 48.42% after 500 cycles at 5.0C. This study provides valuable insights into tuning the crystal structure for designing fast charging and highly stable O3-type cathodes.
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| GB/T 7714 | Lin, Jingping , Chen, Daoyuan , Lin, Zhimin et al. Crystal structure modulation enabling fast charging and stable layered sodium oxide cathodes [J]. | NANOSCALE , 2025 , 17 (16) : 10095-10104 . |
| MLA | Lin, Jingping et al. "Crystal structure modulation enabling fast charging and stable layered sodium oxide cathodes" . | NANOSCALE 17 . 16 (2025) : 10095-10104 . |
| APA | Lin, Jingping , Chen, Daoyuan , Lin, Zhimin , Hong, Zige , Chen, Qiuyan , Wang, Yating et al. Crystal structure modulation enabling fast charging and stable layered sodium oxide cathodes . | NANOSCALE , 2025 , 17 (16) , 10095-10104 . |
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Aqueous zinc ion batteries (ZIBs) have been recognized as highly promising energy storage systems due to their high safety, low cost, and environmental benignity. However, low voltage platform of cathode, coupled with uneven Zn deposition, side reactions, and limited operational temperature range caused by free water molecules, has hampered the practical application of ZIBs. To address these issues, 1-ethyl-3-methylimidazolium acetate (EmimAc) ionic liquid (IL) is utilized to modify the active water in polyvinyl alcohol (PVA)-based hydrogel electrolyte. The abundant hydroxyl groups on PVA chains, along with strong interactions between IL and H2O, disrupt hydrogen bonds between water molecules. This hydrogel electrolyte alleviates side reactions, and improves low-temperature performance through suppressing water crystallization and lowering the freezing point of the electrolyte. Furthermore, the strong binding of hydroxyl groups of PVA to Zn2+ restricts Zn2+ migration, ensuring the de-intercalation of Na+ at the Na3V2(PO4)(3) (NVP) cathode, thereby maintaining a high voltage plateau (1.48 V) for improved energy density. Benefitting from these merits, a pouch cell of Zn||NVP achieves 100 cycles at 25 degrees C, and a coin cell achieves 81.3% capacity retention after 1600 cycles at -20 degrees C. This work represents a significant advance in designing expanded work voltage/temperature hydrogel electrolytes for ZIBs.
Keyword ：
anti-freezing anti-freezing high voltage plateau high voltage plateau hydrogel electrolytes hydrogel electrolytes ionic liquids ionic liquids zinc-ion batteries zinc-ion batteries
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| GB/T 7714 | Chen, Yuejin , Zhu, Mengyu , Li, Chunxin et al. Ionic Liquid-Based Hydrogel Electrolytes Enabling High-Voltage-Plateau Zinc-Ion Batteries [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Chen, Yuejin et al. "Ionic Liquid-Based Hydrogel Electrolytes Enabling High-Voltage-Plateau Zinc-Ion Batteries" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Chen, Yuejin , Zhu, Mengyu , Li, Chunxin , Wang, Huibo , Chen, Danling , Wu, He et al. Ionic Liquid-Based Hydrogel Electrolytes Enabling High-Voltage-Plateau Zinc-Ion Batteries . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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Rechargeable metal batteries have received widespread attention due to their high energy density by using pure metal as the anode. However, there are still many fundamental problems that need to be solved before approaching practical applications. The critical ones are low charge/discharge current due to slow ion transport, short cycle lifetime due to poor anode/cathode stability, and unsatisfied battery safety. To tackle these problems, various strategies have been suggested. Among them, electrolyte additive is one of the most widely used strategies. Most of the additives currently studied are soluble, but their reliability is questionable, and they can easily affect the electrochemical process, causing unwanted battery performance decline. On the contrary, insoluble additives with excellent chemical stability, high mechanical strength, and dimensional tunability have attracted considerable research exploration recently. However, there is no timely review on insoluble additives in metal batteries yet. This review summarizes various functions of insoluble additives: ion transport modulation, metal anode protection, cathode amelioration, as well as battery safety enhancement. Future research directions and challenges for insoluble solid additives are also proposed. It is expected this review will stimulate inspiration and arouse extensive studies on further improvement in the overall performance of metal batteries. Highly stable insoluble additives in metal batteries provide a feasible approach to counteract additive depletion as well as its accompanying side reactions. This review summarizes recent advances in insoluble additives for metal batteries with a unique focus on the following aspects: modulation of ion transport, protection of metal anodes, amelioration of cathodes, and enhancement of battery safety. image
Keyword ：
battery safety battery safety electrode stability electrode stability insoluble additives insoluble additives ion transport ion transport metal batteries metal batteries
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| GB/T 7714 | Xu, Zhu , Wang, Kexuan , Li, Heng et al. Critical Effects of Insoluble Additives in Liquid Electrolytes for Metal Batteries [J]. | SMALL , 2024 , 20 (37) . |
| MLA | Xu, Zhu et al. "Critical Effects of Insoluble Additives in Liquid Electrolytes for Metal Batteries" . | SMALL 20 . 37 (2024) . |
| APA | Xu, Zhu , Wang, Kexuan , Li, Heng , Wang, Huibo , Ge, Mingzheng , Zhang, Yanyan et al. Critical Effects of Insoluble Additives in Liquid Electrolytes for Metal Batteries . | SMALL , 2024 , 20 (37) . |
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Hard carbon with abundant resources, low-cost, and high specific capacity, is a promising anode material for large-scale sodium-ion batteries. However, the poor rate performance of hard carbon suffers from serious challenges due to sluggish ion transport dynamic behavior, especially at low potential, in high power density of sodium-ion batteries. To address this issue, we introduce an ionic-conductive sodium-titanate into hard carbon to boost its sodium-ion transport kinetics via constructing a dual ionic-electronic conducting network in hard carbon anode. Benefiting from our design, the optimized hard carbon-sodium titanate electrode achieves high specific capacity of 137 mAh g(-1) at a high current density of 10 A g(-1), compared to that of hard carbon of 25 mAh g(-1) at 10 A g(-1). Remarkably, it also exhibits an excellent capacity retention of 71.4% at the current density of 2.0 A g(-1) after 800 cycles. This work presents a practical strategy for high-rate hard carbon design and provides valuable insights into the construction of high-rate anode for advanced sodium-ion batteries.
Keyword ：
Hard carbon Hard carbon High rate High rate Ionic conductivity Ionic conductivity Sodium ion batteries Sodium ion batteries Sodium titanate Sodium titanate
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| GB/T 7714 | Li, Fan , Gong, Hao , Zhang, Yanlei et al. Ionic-conductive sodium titanate to boost sodium-ion transport kinetics of hard carbon anode in sodium-ion batteries [J]. | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 981 . |
| MLA | Li, Fan et al. "Ionic-conductive sodium titanate to boost sodium-ion transport kinetics of hard carbon anode in sodium-ion batteries" . | JOURNAL OF ALLOYS AND COMPOUNDS 981 (2024) . |
| APA | Li, Fan , Gong, Hao , Zhang, Yanlei , Liu, Xinyu , Jiang, Zhenming , Chen, Lian et al. Ionic-conductive sodium titanate to boost sodium-ion transport kinetics of hard carbon anode in sodium-ion batteries . | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 981 . |
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The plateau-type sodium titanate with suitable sodiation potential is a promising anode candidate for high safe and high energy density of sodium-ion batteries (SIBs). However, the poor initial Coulombic efficiency (ICE) and cyclic instability of sodium titanate are attributed to the unstable interfacial structure along with the decomposition of electrolytes, resulting in the continuous formation of solid electrolyte interface (SEI) film. To address this issue, a chemical grafting method is developed to fabricate a highly stable interface layer of inert Al2O3 on the sodium titanate anode, rendering the high ICE and excellent cycling stability. Based on theoretical calculations, NaPF6 are more likely adsorption on the Al2O3 surface and produce sodium fluoride. The formation of a thin and dense SEI film with rich sodium fluoride achieves the low interfacial resistances and charge-transfer resistances. Benefitting from our design, the obtained sodium titanate exhibits a high ICE from 67.7 % to 79.4 % and an enhanced reversible capacity from 151 mAh g-1 to 181 mAh g-1 at 20 mA g-1, along with an increase in capacity retention from 56.5 % to 80.6 % after 500 cycles. This work heralds a promising paradigm for rational regulation of interfacial stability to achieve high-performance anodes for SIBs. A chemical grafting method is developed to fabricate a highly stable interface layer of inert Al2O3 on the sodium titanate anode, rendering the high initial Coulombic efficiency (ICE) and excellent cycling stability. This is due to the formation of a thin and dense solid-electrolyte interface (SEI) film with rich sodium fluoride, leading to the lower interfacial resistances and charge-transfer resistances.+ image
Keyword ：
heterostructure-layer heterostructure-layer initial Coulombic efficiency initial Coulombic efficiency Plateau-type sodium titanate Plateau-type sodium titanate sodium-ion batteries sodium-ion batteries
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| GB/T 7714 | Zhang, Yanlei , Li, Linwei , Wang, Feng et al. Achieving High Initial Coulombic Efficiency and Capacity in a Surface Chemical Grafting Layer of Plateau-type Sodium Titanate [J]. | CHEMSUSCHEM , 2024 , 17 (11) . |
| MLA | Zhang, Yanlei et al. "Achieving High Initial Coulombic Efficiency and Capacity in a Surface Chemical Grafting Layer of Plateau-type Sodium Titanate" . | CHEMSUSCHEM 17 . 11 (2024) . |
| APA | Zhang, Yanlei , Li, Linwei , Wang, Feng , Wang, Huicai , Jiang, Zhenming , Lin, Zhimin et al. Achieving High Initial Coulombic Efficiency and Capacity in a Surface Chemical Grafting Layer of Plateau-type Sodium Titanate . | CHEMSUSCHEM , 2024 , 17 (11) . |
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Aqueous zinc ion batteries are gaining popularity due to their high energy density and environmental friendliness. However, random deposition of zinc ions on the anode and sluggish migration of zinc ions on the interface would lead to the growth of zinc dendrites and poor cycling performance. To address these challenges, we developed a fluorinated solid-state-electrolyte interface layer composed of Ca5(PO4)3F/Zn3(PO4)2 via an in situ ion exchange strategy to guide zinc-ion oriented deposition and fast zinc ion migration on the anode during cycling. The introduction of Ca5(PO4)3F (FAP) can increase the nucleation sites of zinc ions and guide the oriented deposition of zinc ions along the (002) crystal plane, while the in situ formation of Zn3(PO4)2 during cycling can accelerate the migration of zinc ions. Benefited from our design, the assembled Zn//V2O5 & sdot; H2O batteries based on FAP-protected Zn anode (FAP-Zn) achieve a higher capacity retention of 84 % (220 mAh g-1) than that of bare-Zn based batteries, which have a capacity retention of 23 % (97 mAh g-1) at 3.0 A g-1 after 800 cycles. This work provides a new solution for the rational design and development of the solid-state electrolyte interface layer to achieve high-performance zinc-ion batteries. We developed a fluorinated solid electrolyte interfacial layer to guide the oriented deposition of zinc ions along the (002) crystal plane of Zn anode to inhibit the growth of zinc dendrites and accelerate the migration of zinc ions at the anode interface during cycling and improve the electrochemical performance of the battery.image
Keyword ：
Nucleation Radius Nucleation Radius Orientation Deposition Orientation Deposition Zinc-ion Batteries Zinc-ion Batteries Zinc Ion Migration Zinc Ion Migration Zn Anode Zn Anode
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| GB/T 7714 | Zhu, Mengyu , Wang, Huicai , Wang, Huibo et al. A Fluorinated Solid-state-electrolyte Interface Layer Guiding Fast Zinc-ion Oriented Deposition in Aqueous Zinc-ion Batteries [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (4) . |
| MLA | Zhu, Mengyu et al. "A Fluorinated Solid-state-electrolyte Interface Layer Guiding Fast Zinc-ion Oriented Deposition in Aqueous Zinc-ion Batteries" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 63 . 4 (2024) . |
| APA | Zhu, Mengyu , Wang, Huicai , Wang, Huibo , Li, Chunxin , Chen, Danling , Wang, Kexuan et al. A Fluorinated Solid-state-electrolyte Interface Layer Guiding Fast Zinc-ion Oriented Deposition in Aqueous Zinc-ion Batteries . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (4) . |
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