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学者姓名：吴明懋
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Abstract ：
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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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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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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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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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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In light of the rapid development of intelligence and miniaturization in electronics, the growing demand for sustainable energy sources gives rise to a plethora of environmental/mechanical energy harvesters. However, the fluctuating nature of these generated energies frequently presents a challenge to their immediate usability. Although electrolytic capacitors can smooth fluctuating energy, lacking miniaturization and flexibility constrain their potential applications. Conversely, electrochemical capacitors (ECs), particularly fiber-shaped electrochemical capacitors (FSECs), can offer superior flexibility. Nevertheless, the inherent trade-off between ion transport and charge storage in fibrous electrodes poses a significant obstacle to their filtering capability. Here, a hierarchically 3D fibrous electrode that effectively balances ion transport and charge storage through its unhindered primary framework and intertwined secondary frameworks is presented. The resulting FSEC exhibits an exceptional specific areal capacitance of 1.37 mF cm(-2) with a phase angle of -82 & DEG; at 120 Hz, surpassing that of fiber-shaped filter capacitors and most non-fibrous filter ECs previously reported. Additionally, the FSEC displays excellent flexibility and high-frequency response, rendering it well-suited for filtering arbitrary ripple voltage and compatible with environmental/mechanical energy harvesters. These results demonstrate a promising approach for designing fibrous high-frequency response electrodes and a foundation for portable environmental energy harvesting devices.
Keyword ：
AC-line filtering AC-line filtering flexibility flexibility graphene graphene PEDOT PEDOT supercapacitors supercapacitors
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| GB/T 7714 | Wu, Mingmao , Sun, Ke , He, Jinfeng et al. Hierarchically 3D Fibrous Electrode for High-Performance Flexible AC-Line Filtering in Fluctuating Energy Harvesters [J]. | ADVANCED FUNCTIONAL MATERIALS , 2023 , 33 (45) . |
| MLA | Wu, Mingmao et al. "Hierarchically 3D Fibrous Electrode for High-Performance Flexible AC-Line Filtering in Fluctuating Energy Harvesters" . | ADVANCED FUNCTIONAL MATERIALS 33 . 45 (2023) . |
| APA | Wu, Mingmao , Sun, Ke , He, Jinfeng , Huang, Qinzhui , Zhan, Weiqing , Lu, Zhixing et al. Hierarchically 3D Fibrous Electrode for High-Performance Flexible AC-Line Filtering in Fluctuating Energy Harvesters . | ADVANCED FUNCTIONAL MATERIALS , 2023 , 33 (45) . |
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Electrochemical capacitors are expected to replace conventional electrolytic capacitors in line filtering for integrated circuits and portable electronics(1-8). However, practical implementation of electrochemical capacitors into line-filtering circuits has not yet been achieved owing to the difficulty in synergistic accomplishment of fast responses, high specific capacitance, miniaturization and circuit-compatible integration(1,4,5,9-12). Here we propose an electric-field enhancement strategy to promote frequency characteristics and capacitance simultaneously. By downscaling the channel width with femtosecond-laser scribing, a miniaturized narrow-channel in-plane electrochemical capacitor shows drastically reduced ionic resistances within both the electrode material and the electrolyte, leading to an ultralow series resistance of 39 m Omega cm(2) at 120 Hz. As a consequence, an ultrahigh areal capacitance of up to 5.2 mF cm(-2) is achieved with a phase angle of -80 degrees at 120 Hz, twice as large as one of the highest reported previously(4,13,14), and little degradation is observed over 1,000,000 cycles. Scalable integration of this electrochemical capacitor into microcircuitry shows a high integration density of 80 cells cm(-2) and on-demand customization of capacitance and voltage. In light of excellent filtering performances and circuit compatibility, this work presents an important step of line-filtering electrochemical capacitors towards practical applications in integrated circuits and flexible electronics.
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| GB/T 7714 | Hu, Yajie , Wu, Mingmao , Chi, Fengyao et al. Ultralow-resistance electrochemical capacitor for integrable line filtering [J]. | NATURE , 2023 , 624 (7990) : 74-, . |
| MLA | Hu, Yajie et al. "Ultralow-resistance electrochemical capacitor for integrable line filtering" . | NATURE 624 . 7990 (2023) : 74-, . |
| APA | Hu, Yajie , Wu, Mingmao , Chi, Fengyao , Lai, Guobin , Li, Puying , He, Wenya et al. Ultralow-resistance electrochemical capacitor for integrable line filtering . | NATURE , 2023 , 624 (7990) , 74-, . |
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High-frequency responsive electrochemical capacitors (ECs), which can directly convert alternating current (AC) to direct current (DC), are getting more essential for the rapid development of electronic devices. In order to satisfy the requirements of ECs with fast rate capability and appreciable capacitance density, numerous efforts have been made towards the preparation and design of the electrode material, which is a decisive factor in the performance of ECs. Carbon-related electrode materials have been widely shown to significantly increase the performance of ECs because of their light weight, high strength, and high processability. In this concept, the latest advances in the rational design and controllable fabrication of carbon-related electrode materials, including planar 2D materials, random 3D, and vertical carbon materials are summarized. Moreover, the state of the art of carbon-based ECs is discussed from the viewpoint of the structure of the electrode and performance of ECs. Finally, this concept presents integrated perspectives on the further design and preparation of carbon related ECs.
Keyword ：
carbon carbon electrochemical capacitors electrochemical capacitors electrochemistry electrochemistry electrode materials electrode materials line filtering line filtering
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| GB/T 7714 | Xu, Shichen , Wu, Mingmao , Zhang, Jin . Ultrafast Electrochemical Capacitors with Carbon Related Materials as Electrodes for AC Line Filtering [J]. | CHEMISTRY-A EUROPEAN JOURNAL , 2022 , 28 (31) . |
| MLA | Xu, Shichen et al. "Ultrafast Electrochemical Capacitors with Carbon Related Materials as Electrodes for AC Line Filtering" . | CHEMISTRY-A EUROPEAN JOURNAL 28 . 31 (2022) . |
| APA | Xu, Shichen , Wu, Mingmao , Zhang, Jin . Ultrafast Electrochemical Capacitors with Carbon Related Materials as Electrodes for AC Line Filtering . | CHEMISTRY-A EUROPEAN JOURNAL , 2022 , 28 (31) . |
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Fiber-shaped supercapacitors (FSSCs) with high rate-capability, light weight, and knittability are promising members of future flexible energy storage clubs. However, limited by the trade-off between capacity density and transport kinetics of fiber electrodes, the FSSC often delivers an insufficient energy density and power density, suppressing its practical application prospects. Here, an aqueous asymmetric FSSC is developed, which is composed of highly conductive positive and negative electrodes with coordinated pseudocapacitive characteristics, achieving a balance of electrochemical performances. Benefiting from the wide voltage window and quick ion transport kinetics in the gel electrolyte, this asymmetric fiber device gives an ultrahigh energy density of 41 mW h cm(-3) and a high power density of 725 mW cm(-3), outperforming most state-of-the-art aqueous asymmetric or symmetric FSSCs. Moreover, it can power commercial electronic devices with excellent flexibility and bendability, demonstrating a promising avenue for fiber-based energy storage devices with great practical importance.
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| GB/T 7714 | He, Jinfeng , Sun, Ke , Wu, Mingmao et al. All-pseudocapacitive coordination towards flexible asymmetric fiber-shaped supercapacitors with ultrahigh energy and power density [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2022 , 10 (41) : 21838-21847 . |
| MLA | He, Jinfeng et al. "All-pseudocapacitive coordination towards flexible asymmetric fiber-shaped supercapacitors with ultrahigh energy and power density" . | JOURNAL OF MATERIALS CHEMISTRY A 10 . 41 (2022) : 21838-21847 . |
| APA | He, Jinfeng , Sun, Ke , Wu, Mingmao , Yu, Yan , Lu, Zhixing , Zhou, Qinqin et al. All-pseudocapacitive coordination towards flexible asymmetric fiber-shaped supercapacitors with ultrahigh energy and power density . | JOURNAL OF MATERIALS CHEMISTRY A , 2022 , 10 (41) , 21838-21847 . |
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Electrochemical capacitors (ECs) with high-rate characteristics demonstrate great promise for replacing bulky aluminum electrolytic capacitors with alternate current (AC)-filtering functions. Currently, the performance of AC-line filtering ECs is limited by the vast gap between the ionic transport kinetics and capacity density of electrode materials. Herein, vertically oriented MXene and reduced graphene oxide composite (VMG) electrodes are prepared by electrochemical co-deposition to bridge the performance gap for AC-line filtering ECs. Benefiting from the unique pseudocapacitive characteristic and vertically interconnected microstructure, the VMG-based EC exhibits an outstanding areal capacitance of 1.14 mF cm(-2) with a phase angle of -80 degrees at 120 Hz. Moreover, by utilizing the advantages of MXene at negative potential, an asymmetric pseudocapacitor is constructed with an energy density up to 805 mu F V-2 cm(-2) at 120 Hz, which can be further incorporated in portable and wearable devices with excellent environmental ripple filtering capability in diverse scenarios.
Keyword ：
alternate current filtering alternate current filtering high rate high rate MXene MXene pseudocapacitance pseudocapacitance vertical structures vertical structures
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| GB/T 7714 | Wen, Yeye , Chen, Hongwu , Wu, Mingmao et al. Vertically Oriented MXene Bridging the Frequency Response and Capacity Density Gap for AC-Filtering Pseudocapacitors [J]. | ADVANCED FUNCTIONAL MATERIALS , 2022 , 32 (21) . |
| MLA | Wen, Yeye et al. "Vertically Oriented MXene Bridging the Frequency Response and Capacity Density Gap for AC-Filtering Pseudocapacitors" . | ADVANCED FUNCTIONAL MATERIALS 32 . 21 (2022) . |
| APA | Wen, Yeye , Chen, Hongwu , Wu, Mingmao , Li, Chun . Vertically Oriented MXene Bridging the Frequency Response and Capacity Density Gap for AC-Filtering Pseudocapacitors . | ADVANCED FUNCTIONAL MATERIALS , 2022 , 32 (21) . |
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