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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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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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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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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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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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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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Ionic liquid electrolytes (ILEs) are promising to develop high-safety and high-energy-density lithium-metal batteries (LMBs). Unfortunately, ILEs normally face the challenge of sluggish Li+ transport due to increased ions' clustering caused by Coulombic interactions. Here a type of anion-reinforced solvating ILEs (ASILEs) is discovered, which reduce ions' clustering by enhancing the anion-cation coordination and promoting more anions to enter the internal solvation sheath of Li+ to address this concern. The designed ASILEs, incorporating chlorinated hydrocarbons and two anions, bis(fluorosulfonyl) imide (FSI-) and bis(trifluoromethanesulfonyl) imide (TFSI-), aim to enhance Li+ transport ability, stabilize the interface of the high-nickel cathode material (LiNi0.8Co0.1Mn0.1O2, NCM811), and retain fire-retardant properties. With these ASILEs, the Li/NCM811 cell exhibits high initial specific capacity (203 mAh g-1 at 0.1 C), outstanding capacity retention (81.6% over 500 cycles at 1.0 C), and excellent average Coulombic efficiency (99.9% over 500 cycles at 1.0 C). Furthermore, an Ah-level Li/NCM811 pouch cell achieves a notable energy density of 386 Wh kg-1, indicating the practical feasibility of this electrolyte. This research offers a practical solution and fundamental guidance for the rational design of advanced ILEs, enabling the development of high-safety and high-energy-density LMBs. An anion-reinforced solvating ionic liquid electrolyte is developed to enhance the anion-cation coordination and promote more anions to enter the internal solvation sheath of Li+. This new type of ionic liquid electrolyte improves Li+ transport ability and stabilizes the interface between the electrolyte and high-nickel cathode, rendering the practical application toward high-safety and high-energy-density lithium-metal batteries. image
Keyword ：
anion reinforced anion reinforced high energy density high energy density ionic liquids ionic liquids lithium-metal batteries lithium-metal batteries
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| GB/T 7714 | Zou, Wenhong , Zhang, Jun , Liu, Mengying et al. Anion-Reinforced Solvating Ionic Liquid Electrolytes Enabling Stable High-Nickel Cathode in Lithium-Metal Batteries [J]. | ADVANCED MATERIALS , 2024 , 36 (23) . |
| MLA | Zou, Wenhong et al. "Anion-Reinforced Solvating Ionic Liquid Electrolytes Enabling Stable High-Nickel Cathode in Lithium-Metal Batteries" . | ADVANCED MATERIALS 36 . 23 (2024) . |
| APA | Zou, Wenhong , Zhang, Jun , Liu, Mengying , Li, Jidao , Ren, Zejia , Zhao, Wenlong et al. Anion-Reinforced Solvating Ionic Liquid Electrolytes Enabling Stable High-Nickel Cathode in Lithium-Metal Batteries . | ADVANCED MATERIALS , 2024 , 36 (23) . |
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Aqueous zinc-ion batteries (AZIBs) are promising large-scale energy storage devices due to their costeffectiveness and high safety. However, the rampant dendrite growth and notorious side reactions resulting from the decomposition of active water molecules hinder its practical application. Herein, the zincophilic polyoltype surfactant of alkyl polyglycoside (APG) is introduced to induce the rearrangement of the H-bonds network to diminish the free water activity, facilitating the zinc-ion solvation structure transition from [Zn2+(H2O)6 & sdot;SO42-] (solvent separated ion pair, SSIP) to [Zn2+(H2O)5 & sdot;OSO32-] (contact ion pair, CIP) with less Zn2+-solvated H2O. Meanwhile, the APG molecular preferentially adsorb on the Zn surface to form a dehydrated layer, which can suppress the hydrogen evolution reaction (HER) and hinder the two-dimensional (2D) diffusion of Zn2+ ions. Consequently, the Zn//Zn symmetric cell using our designed electrolyte demonstrates an ultralong cycle life of 5250 h at 1.0 mA cm-2/1.0 mAh cm-2. Furthermore, the as-prepared Zn//Na2V6O16 & sdot;3H2O full cell also delivers a high-capacity retention rate of 80.8% even after 1000 cycles at 2.0 A g-1, superior to that of the full cell using pure ZnSO4 electrolyte. This study offers an effective strategy to modulate the cation solvation structure by rearranging the H-bonds network for a highly reversible Zn anode.
Keyword ：
Alkyl polyglycoside Alkyl polyglycoside H -bonds network H -bonds network Hydrogen evolution reaction Hydrogen evolution reaction Solvation structure Solvation structure Zn anodes Zn anodes
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| GB/T 7714 | Wang, Huicai , Zhu, Mengyu , Wang, Huibo et al. Rearrangement of H-bonds network of solvation structure via a zincophilic polyol-type surfactant to stabilize zinc anode in aqueous zinc-ion batteries [J]. | ENERGY STORAGE MATERIALS , 2024 , 67 . |
| MLA | Wang, Huicai et al. "Rearrangement of H-bonds network of solvation structure via a zincophilic polyol-type surfactant to stabilize zinc anode in aqueous zinc-ion batteries" . | ENERGY STORAGE MATERIALS 67 (2024) . |
| APA | Wang, Huicai , Zhu, Mengyu , Wang, Huibo , Li, Chunxin , Ren, Zejia , Zhang, Yanlei et al. Rearrangement of H-bonds network of solvation structure via a zincophilic polyol-type surfactant to stabilize zinc anode in aqueous zinc-ion batteries . | ENERGY STORAGE MATERIALS , 2024 , 67 . |
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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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