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学者姓名：吴明懋
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Expanding the electrochemical stability window (ESW) of aqueous batteries significantly enhances their safety and energy density, addressing performance limitations and elevating their position in energy storage systems. Over the past decade, water-in-salt electrolyte (WiSE) has led to groundbreaking advancement in this field. However, a pressing question arises: can we further broaden the ESW through novel approaches? This study delves into this question, leveraging atomistic simulation along with ESW estimation and WiSE continuum theory to uncover that interfacial solvent polarity, subtly modulated by adding minor organic solvents, expands the ESW as well as promotes ion intercalation and transport. The strategy of incorporating minor organic solvents is compatible with WiSE, which not only advances our comprehension but also forges new research paths for post-WiSE era aqueous battery innovation. More importantly, our study provides a systematic way for theoretically estimating ESW and analyzing its enhancement mechanism in aqueous batteries.
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| GB/T 7714 | Lai, Guobin , Lin, Jinguo , Mo, Weixing et al. Expanding the Electrochemical Stability Window: Unraveling the Role of Solvent Polarity and a WiSE-Compatible Strategy [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (15) : 13071-13081 . |
| MLA | Lai, Guobin et al. "Expanding the Electrochemical Stability Window: Unraveling the Role of Solvent Polarity and a WiSE-Compatible Strategy" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 147 . 15 (2025) : 13071-13081 . |
| APA | Lai, Guobin , Lin, Jinguo , Mo, Weixing , Li, Xinzhu , Jin, Xuting , Wu, Mingmao et al. Expanding the Electrochemical Stability Window: Unraveling the Role of Solvent Polarity and a WiSE-Compatible Strategy . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (15) , 13071-13081 . |
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Line-filtering electrochemical capacitors (LFECs) are demonstrating advantages in line filtering over traditional electrolytic capacitors. However, they can only function at no-load or low-power conditions due to the limited high-frequency capacitance resulting from the excessive ionic resistance, despite much progress in electrode materials. Here, we show separators dominate both ion migration and capacitance in LFECs. A 3 mu m-thick thread-anchor structured separator is developed, featuring both accelerated ionic transport and reliability, leading to a low ionic resistance of 25 m Omega cm2. With a phase angle of -80 degrees at 120 Hz, the assembled device has an areal capacitance of 6.6 mF cm-2. Furthermore, stack integration in parallel breaks the trade-off between capacitance and frequency response, boosting the areal capacitance by two orders of magnitude without decay of frequency characteristics. The On-board field test demonstrates that voltage ripples are steadily suppressed below 5% even for practical high-power line filtering with a load power density of 2.5 W cm-2, three orders of magnitude higher than previous instances. This work opens up a perspective of separator engineering for the development of high-performance line-filtering electrochemical capacitors and promotes their applications in practical high-power scenarios.
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| GB/T 7714 | Hu, Yajie , Li, Puying , Lai, Guobin et al. Separator with high ionic conductivity enables electrochemical capacitors to line-filter at high power [J]. | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
| MLA | Hu, Yajie et al. "Separator with high ionic conductivity enables electrochemical capacitors to line-filter at high power" . | NATURE COMMUNICATIONS 16 . 1 (2025) . |
| APA | Hu, Yajie , Li, Puying , Lai, Guobin , Lu, Bing , Wang, Haiyan , Cheng, Huhu et al. Separator with high ionic conductivity enables electrochemical capacitors to line-filter at high power . | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
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Fiber-shaped electrochemical capacitors (FSECs) have garnered substantial attention to emerging portable, flexible, and wearable electronic devices. However, achieving high electronic and ionic conductivity in fiber electrodes while maintaining a large specific surface area is still a challenge for enhancing the capacitance and rapid response of FSECs. Here, we present an electric-field-assisted cold-wall plasma-enhanced chemical vapor (EFCW-PECVD) method for direct growth of vertical graphene (VG) on fiber electrodes, which is incorporated in the FSECs. The customized reactor mainly consists of two radio frequency coils: one for plasma generation and the other for substrate heating. Precise temperature control can be achieved by adjusting the conductive plates and the applied power. With induction heating, only the substrate is heated to above 500 °C within just 5 min, maintaining a low temperature in the gas phase for the growth of VG with a high quality. Using this method, VG was easily grown on metallic fibers. The VG-coated titanium fibers for FSECs exhibit an ultrahigh rate performance and quick ion transport, enabling the conversion of an alternating current signal to a direct current signal and demonstrating outstanding filtering capabilities. © 2024 American Chemical Society.
Keyword ：
cold-wall method cold-wall method electric field electric field fiber electrodes fiber electrodes line-filtering capacitors line-filtering capacitors vertical graphene vertical graphene
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| GB/T 7714 | Xu, S. , Shen, C. , Peng, Z. et al. Direct Growth of Vertical Graphene on Fiber Electrodes and Its Application in Alternating Current Line-Filtering Capacitors [J]. | ACS Nano , 2024 , 18 (35) : 24154-24161 . |
| MLA | Xu, S. et al. "Direct Growth of Vertical Graphene on Fiber Electrodes and Its Application in Alternating Current Line-Filtering Capacitors" . | ACS Nano 18 . 35 (2024) : 24154-24161 . |
| APA | Xu, S. , Shen, C. , Peng, Z. , Wu, J. , Chen, Z. , Zhang, X. et al. Direct Growth of Vertical Graphene on Fiber Electrodes and Its Application in Alternating Current Line-Filtering Capacitors . | ACS Nano , 2024 , 18 (35) , 24154-24161 . |
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Utilizing an interfacial layer to stabilize Zn-metal anodes has been extensively explored, often accompanied by inhibition of Zn dendrites. However, most interfacial layers primarily delay Zn2+ ion transport/transfer, leading to slow Zn deposition due to the ion kinetics hindrance. Basically, this ionic hysteresis effect is inherent to all interfacial layers and will cause unstable Zn deposition over extended cycling periods. Here, we present a simple composite interfacial layer composed of graphene acid (GA) and cellulose nanofibers (CNFs). In the CNF/GA layer, a delicate balance between the rapid Zn2+ transport/transfer and uniform Zn deposition is achieved. The presence of GA not only demonstrates excellent ion selectivity and suppresses corrosion reactions, but also promotes Zn2+ transport/transfer, significantly reducing the desolvation energy of Zn2+ ions. Consequently, the symmetric cell with CNF/GA coatings achieves a highly stable cycling life of 2920 h, surpassing previous reports using graphene-based and CNF-based protecting layers. Moreover, the full cell based on the CNF/GA protected anodes exhibits excellent long-term stability and maintains an ultra-stable self-discharge retention of 99% after 24 h of standing. These findings provide valuable insights for the development of protective layers for Zn-metal anodes and future grid-scale Zn battery deployment. © 2024 The Royal Society of Chemistry
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| GB/T 7714 | Xia, K. , Li, L. , Qiu, Y. et al. Graphene acid-enhanced interfacial layers with high Zn2+ ion selectivity and desolvation capability for corrosion-resistant Zn-metal anodes [J]. | Journal of Materials Chemistry A , 2024 , 12 (36) : 24175-24187 . |
| MLA | Xia, K. et al. "Graphene acid-enhanced interfacial layers with high Zn2+ ion selectivity and desolvation capability for corrosion-resistant Zn-metal anodes" . | Journal of Materials Chemistry A 12 . 36 (2024) : 24175-24187 . |
| APA | Xia, K. , Li, L. , Qiu, Y. , Weng, J. , Shen, S. , Chen, M. et al. Graphene acid-enhanced interfacial layers with high Zn2+ ion selectivity and desolvation capability for corrosion-resistant Zn-metal anodes . | Journal of Materials Chemistry A , 2024 , 12 (36) , 24175-24187 . |
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Abstract ：
Utilizing an interfacial layer to stabilize Zn-metal anodes has been extensively explored, often accompanied by inhibition of Zn dendrites. However, most interfacial layers primarily delay Zn2+ ion transport/transfer, leading to slow Zn deposition due to the ion kinetics hindrance. Basically, this ionic hysteresis effect is inherent to all interfacial layers and will cause unstable Zn deposition over extended cycling periods. Here, we present a simple composite interfacial layer composed of graphene acid (GA) and cellulose nanofibers (CNFs). In the CNF/GA layer, a delicate balance between the rapid Zn2+ transport/transfer and uniform Zn deposition is achieved. The presence of GA not only demonstrates excellent ion selectivity and suppresses corrosion reactions, but also promotes Zn2+ transport/transfer, significantly reducing the desolvation energy of Zn2+ ions. Consequently, the symmetric cell with CNF/GA coatings achieves a highly stable cycling life of 2920 h, surpassing previous reports using graphene-based and CNF-based protecting layers. Moreover, the full cell based on the CNF/GA protected anodes exhibits excellent long-term stability and maintains an ultra-stable self-discharge retention of 99% after 24 h of standing. These findings provide valuable insights for the development of protective layers for Zn-metal anodes and future grid-scale Zn battery deployment.
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| GB/T 7714 | Xia, Kailai , Li, Liuyan , Qiu, Yanbin et al. Graphene acid-enhanced interfacial layers with high Zn2+ ion selectivity and desolvation capability for corrosion-resistant Zn-metal anodes [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2024 , 12 (36) : 24175-24187 . |
| MLA | Xia, Kailai et al. "Graphene acid-enhanced interfacial layers with high Zn2+ ion selectivity and desolvation capability for corrosion-resistant Zn-metal anodes" . | JOURNAL OF MATERIALS CHEMISTRY A 12 . 36 (2024) : 24175-24187 . |
| APA | Xia, Kailai , Li, Liuyan , Qiu, Yanbin , Weng, Jianqiang , Shen, Shengtao , Chen, Meixin et al. Graphene acid-enhanced interfacial layers with high Zn2+ ion selectivity and desolvation capability for corrosion-resistant Zn-metal anodes . | JOURNAL OF MATERIALS CHEMISTRY A , 2024 , 12 (36) , 24175-24187 . |
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Owing to zinc dendrites and parasitic reactions, aqueous Zn-metal batteries often suffer from poor reversibility and cyclability. Electrolyte additives present a promising strategy to improve Zn anode stability. However, the ever-evolving perspectives and mechanisms, paradoxically, complicate battery design, causing a scenario where any electrolyte additive seems to be effective. Herein, it is taken ionic liquid (IL) additives as an example and detailed explored the impact of three typical IL anions, namely OTF-, TFA-, and BF4-. It is identified that the primary determinant of electrolyte additives as their electrical double layer (EDL) structures and their subsequent solid-electrolyte interface (SEI) composition. An advantageous EDL structure, akin to an ion-shield, can reduce the absorption of H2O molecules, which further enrich the SEI with zincophilic and hydrophobic components, thereby mitigating parasitic reactions and Zn dendrite formation. As a result, the Zn||Zn cell with optimal [EMIM]OTF additives demonstrates an exceptional cycling life under challenging conditions, its cumulative plated capacity surpasses most previously reported results by utilizing different IL additives. This work extends beyond performance enhancements, representing a valuable exploration of key criteria for electrolyte additives is believed. These insights are expected to offer fundamental guidance for future research and electrolyte design. This work detailed investigated the influence of ionic liquid additives in aqueous Zn-metal batteries, identifying the critical role of electrical double layer (EDL) structures and subsequent solid-electrolyte interface (SEI) composition in enhancing stability. An optimal EDL structure, functioning as an ion-shield, minimizes H2O absorption, enriching the SEI with zincophilic and hydrophobic components, effectively mitigating parasitic reactions and dendrite formation.image
Keyword ：
aqueous Zn-metal batteries aqueous Zn-metal batteries electrical double layer structures electrical double layer structures ionic liquids ionic liquids ion-shield ion-shield solid-electrolyte interface solid-electrolyte interface
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| GB/T 7714 | Weng, Jianqiang , Zhu, Wenqi , Yu, Kun et al. Enhancing Zn-Metal Anode Stability: Key Effects of Electrolyte Additives on Ion-Shield-Like Electrical Double Layer and Stable Solid Electrolyte Interphase [J]. | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (18) . |
| MLA | Weng, Jianqiang et al. "Enhancing Zn-Metal Anode Stability: Key Effects of Electrolyte Additives on Ion-Shield-Like Electrical Double Layer and Stable Solid Electrolyte Interphase" . | ADVANCED FUNCTIONAL MATERIALS 34 . 18 (2024) . |
| APA | Weng, Jianqiang , Zhu, Wenqi , Yu, Kun , Luo, Jing , Chen, Meixin , Li, Liuyan et al. Enhancing Zn-Metal Anode Stability: Key Effects of Electrolyte Additives on Ion-Shield-Like Electrical Double Layer and Stable Solid Electrolyte Interphase . | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (18) . |
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The serious dendrite formation and safety hazards associated with side reactions hinder the practical application of lithium metal batteries. A molecular customization strategy based on both physical and chemical properties is reported. A copolymer of acrylamide and hexafluorobutyl acrylate molecules is used as an artificial solid electrolyte interface(ASEI) for lithium metal to achieve dynamic interface protection during cycling. The amide group serves as the rigid unit, while the hexafluorobutyl group serves as the flexible unit, and imparts excellent mechanical properties to the copolymer. Synergistically abundant CF bonds exhibit excellent water and oxygen resistance and have good electrolyte affinity. The ester and amide groups serve as amphiphilic sites for Li+ and PF6-, regulating the ion flux at the interface and achieving dendrite-free lithium deposition. During cycling, the organic-inorganic composite SEI dynamically evolves to safeguard the lithium metal, preventing undue electrolyte consumption. The copolymer achieves stable cycling for 1500 and 950 h at 1 and 2 mA cm-2, respectively. It demonstrates excellent performance with LiNi0.8Co0.1Mn0.1O2 and LiFePO4 cathodes. This study introduces a new approach to designing polymers at the molecular level to optimize the physical properties/chemical activity of lithium metal interfaces. The serious dendrite formation and safety hazards associated with side reactions hinder the practical application of lithium metal batteries. A molecular customization polymer based on physicochemical properties as ASEI is reported. The copolymer has excellent mechanical properties and water and oxygen resistance. The ester and amide groups serve as amphiphilic sites, regulating the ion flux and achieving dendrite-free lithium deposition. image
Keyword ：
binary copolymer binary copolymer dendrite suppression dendrite suppression interface engineering interface engineering lithium metal anode lithium metal anode
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| GB/T 7714 | Luo, Jing , Huang, Qinzhui , Shi, Dehuan et al. Dynamic Interfacial Protection via Molecularly Tailored Copolymer for Durable Artificial Solid Electrolyte Interphase in Lithium Metal Batteries [J]. | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (39) . |
| MLA | Luo, Jing et al. "Dynamic Interfacial Protection via Molecularly Tailored Copolymer for Durable Artificial Solid Electrolyte Interphase in Lithium Metal Batteries" . | ADVANCED FUNCTIONAL MATERIALS 34 . 39 (2024) . |
| APA | Luo, Jing , Huang, Qinzhui , Shi, Dehuan , Qiu, Yanbin , Zheng, Xinyu , Yang, Sisheng et al. Dynamic Interfacial Protection via Molecularly Tailored Copolymer for Durable Artificial Solid Electrolyte Interphase in Lithium Metal Batteries . | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (39) . |
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Fiber-shaped electrochemical capacitors (FSECs) have garnered substantial attention to emerging portable, flexible, and wearable electronic devices. However, achieving high electronic and ionic conductivity in fiber electrodes while maintaining a large specific surface area is still a challenge for enhancing the capacitance and rapid response of FSECs. Here, we present an electric-field-assisted cold-wall plasma-enhanced chemical vapor (EFCW-PECVD) method for direct growth of vertical graphene (VG) on fiber electrodes, which is incorporated in the FSECs. The customized reactor mainly consists of two radio frequency coils: one for plasma generation and the other for substrate heating. Precise temperature control can be achieved by adjusting the conductive plates and the applied power. With induction heating, only the substrate is heated to above 500 degrees C within just 5 min, maintaining a low temperature in the gas phase for the growth of VG with a high quality. Using this method, VG was easily grown on metallic fibers. The VG-coated titanium fibers for FSECs exhibit an ultrahigh rate performance and quick ion transport, enabling the conversion of an alternating current signal to a direct current signal and demonstrating outstanding filtering capabilities.
Keyword ：
cold-wallmethod cold-wallmethod electric field electric field fiber electrodes fiber electrodes line-filtering capacitors line-filtering capacitors vertical graphene vertical graphene
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| GB/T 7714 | Xu, Shichen , Shen, Chao , Peng, Zhisheng et al. Direct Growth of Vertical Graphene on Fiber Electrodes and Its Application in Alternating Current Line-Filtering Capacitors [J]. | ACS NANO , 2024 , 18 (35) : 24154-24161 . |
| MLA | Xu, Shichen et al. "Direct Growth of Vertical Graphene on Fiber Electrodes and Its Application in Alternating Current Line-Filtering Capacitors" . | ACS NANO 18 . 35 (2024) : 24154-24161 . |
| APA | Xu, Shichen , Shen, Chao , Peng, Zhisheng , Wu, Jiandong , Chen, Zhuo , Zhang, Xinyu et al. Direct Growth of Vertical Graphene on Fiber Electrodes and Its Application in Alternating Current Line-Filtering Capacitors . | ACS NANO , 2024 , 18 (35) , 24154-24161 . |
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MXene aerogels, known for good electrical properties, offer immense potential for the development of high-sensitivity pressure sensors. However, the intrinsic challenges stemming from the poor self-assembly capability and high hydrophilicity of MXene impede the natural drying process of MXene-based hydrogels, thereby constraining their application on a large scale in sensor technology. Herein, a graphene-assisted approach aimed at modulating the hydrophobicity and enhancing framework strength of MXene through a well-designed prefreezing technique incorporating 3D spherical macroporous structures is proposed. This synergistic strategy enables the fabrication of naturally dried MXene aerogels across various size scales. Moreover, the integration of 3D spherical macroporous structures improves elasticity and electrical responsiveness of aerogels. Consequently, the aerogel sensor exhibits great performances, including high sensitivity (1250 kPa-1), low detection limit (0.4 Pa), wide frequency response range (0.1-8 Hz), and excellent stability (1000 cycles). This sensor proves adept at monitoring pressure signals ranging from lightweight paper to human motion. Additionally, the application of customized laser engraving endows aerogels with unique functionalities, such as compressibility and immunity to strain, stretchability and resistance to compression, as well as wind detection. Thus, the proposed approach holds significant promise as a scalable method for the mass production of aerogels with versatile applications. This work reports the naturally dried MXene-based aerogels and their applications in highly sensitive piezoresistive sensors, where a systematic drying strategy is explored in detail, including the improvement of MXene sheet stiffness, control of hydrophobicity, and optimization of pore structure. Further combined with laser engraving, customized multifunctional sensors are developed. image
Keyword ：
3D spherical macroporous structures 3D spherical macroporous structures customized laser engraving customized laser engraving high sensitivity high sensitivity MXene aerogels MXene aerogels natural drying natural drying
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| GB/T 7714 | Zhu, Wenqi , Zhuang, Yuhang , Weng, Jianqiang et al. Evolution of Naturally Dried MXene-Based Composite Aerogels with Flash Joule Annealing for Large-Scale Production of Highly Sensitive Customized Sensors [J]. | ADVANCED MATERIALS , 2024 , 36 (33) . |
| MLA | Zhu, Wenqi et al. "Evolution of Naturally Dried MXene-Based Composite Aerogels with Flash Joule Annealing for Large-Scale Production of Highly Sensitive Customized Sensors" . | ADVANCED MATERIALS 36 . 33 (2024) . |
| APA | Zhu, Wenqi , Zhuang, Yuhang , Weng, Jianqiang , Huang, Qinzhui , Lai, Guobin , Li, Liuyan et al. Evolution of Naturally Dried MXene-Based Composite Aerogels with Flash Joule Annealing for Large-Scale Production of Highly Sensitive Customized Sensors . | ADVANCED MATERIALS , 2024 , 36 (33) . |
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Highly stretchable and conductive ionogels have greatpotentialin flexible electronics and soft robotic skins. However, current ionogelsare still far from being able to accurately duplicate the mechanicallyresponsive behavior of real human skin. Furthermore, durable roboticskins that are applicable under harsh conditions are still lacking.Herein, a strong noncovalent interaction, ionic clusters, is combinedwith hydrogen bonds to obtain a physically cross-linked ionogel (PCI).Benefiting from the strong ionic bonding of the ionic cluster, thePCI shows strain-stiffening behavior similar to that of human skin,thus enabling it to have a perception-strengthening ability. Additionally,the strong ionic clusters can also ensure the PCI remains stable athigh temperatures. Even when the temperature is raised to 200 & DEG;C,the PCI can maintain the gel state. Moreover, the PCI exhibits hightransparency, recyclability, good adhesion, and high conductivity.Such excellent features distinguish the PCI from ordinary ionogels,providing a new way to realize skin-like sensing in harsh environmentsfor future bionic machines.
Keyword ：
high-temperaturetolerance high-temperaturetolerance hydrogen bond hydrogen bond ionic cluster ionic cluster ionic liquid ionic liquid ionogel ionogel strain sensor strain sensor strain stiffening strain stiffening
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| GB/T 7714 | Lyu, Xiaolin , Zhang, Haoqi , Yang, Shichu et al. Strain-Stiffening Ionogel with High-Temperature Tolerance via the Synergy of Ionic Clusters and Hydrogen Bonds [J]. | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (26) : 31888-31898 . |
| MLA | Lyu, Xiaolin et al. "Strain-Stiffening Ionogel with High-Temperature Tolerance via the Synergy of Ionic Clusters and Hydrogen Bonds" . | ACS APPLIED MATERIALS & INTERFACES 15 . 26 (2023) : 31888-31898 . |
| APA | Lyu, Xiaolin , Zhang, Haoqi , Yang, Shichu , Zhan, Weiqing , Wu, Mingmao , Yu, Yan et al. Strain-Stiffening Ionogel with High-Temperature Tolerance via the Synergy of Ionic Clusters and Hydrogen Bonds . | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (26) , 31888-31898 . |
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