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Huang J, Shi Z, Mao C, Yang G, Chen Y. Wood-Structured Nanomaterials as Highly Efficient, Self-Standing Electrocatalysts for Water Splitting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402511. [PMID: 38837861 DOI: 10.1002/smll.202402511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/25/2024] [Indexed: 06/07/2024]
Abstract
Electrocatalytic water splitting (EWS) driven by renewable energy is widely considered an environmentally friendly and sustainable approach for generating hydrogen (H2), an ideal energy carrier for the future. However, the efficiency and economic viability of large-scale water electrolysis depend on electrocatalysts that can efficiently accelerate the electrochemical reactions taking place at the two electrodes. Wood-derived nanomaterials are well-suited for serving as EWS catalysts because of their hierarchically porous structure with high surface area and low tortuosity, compositional tunability, cost-effectiveness, and self-standing integral electrode configuration. Here, recent advancements in the design and synthesis of wood-structured nanomaterials serving as advanced electrocatalysts for water splitting are summarized. First, the design principles and corresponding strategies toward highly effective wood-structured electrocatalysts (WSECs) are emphasized. Then, a comprehensive overview of current findings on WSECs, encompassing diverse structural designs and functionalities such as supported-metal nanoparticles (NPs), single-atom catalysts (SACs), metal compounds, and heterostructured electrocatalysts based on engineered wood hosts are presented. Subsequently, the application of these WSECs in various aspects of water splitting, including the hydrogen evolution reaction (HER), oxygen evolution reaction (OER), overall water splitting (OWS), and hybrid water electrolysis (HWE) are explored. Finally, the prospects, challenges, and opportunities associated with the broad application of WSECs are briefly discussed. This review aims to provide a comprehensive understanding of the ongoing developments in water-splitting catalysts, along with outlining design principles for the future development of WSECs.
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Affiliation(s)
- Jianlin Huang
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, 510006, China
| | - Zhikai Shi
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, 510006, China
| | - Chengwei Mao
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, 510006, China
| | - Gaixiu Yang
- CAS Key Laboratory of Renewable Energy Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, 510640, China
| | - Yan Chen
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, 510006, China
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2
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An Y, Yang Z, Yang Y, Li X, Zheng X, Chen Z, Wu X, Xu B, Wang Y, He Y. Stretchable, Programmable and Magnet-Insensitive Protonic Display Based on Integrated Ionic Circuit. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308875. [PMID: 37880900 DOI: 10.1002/smll.202308875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Indexed: 10/27/2023]
Abstract
As a new approach to "More than Moore", integrated ionic circuits serve as a possible alternative to traditional electronic circuits, yet the integrated ionic circuit composed of functional ionic elements and ionic connections is still challenging. Herein, a stretchable and transparent ionic display module of the integrated ionic circuit has been successfully prepared and demonstrated by pixelating a proton-responsive hydrogel. It is programmed to excite the hydrogel color change by a Faraday process occurring at the electrode at the specific pixel points, which enables the display of digital information and even color information. Importantly, the display module exhibits stable performance under strong magnetic field conditions (1.7 T). The transparent and stretchable nature of such ionic modules also allows them to be utilized in a broad range of scenarios, which paves the way for integrated ionic circuits.
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Affiliation(s)
- Yao An
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Zhaoxiang Yang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Yongjia Yang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Xinlei Li
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Xinjia Zheng
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Zhiwu Chen
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Xun Wu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Beihang Xu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Yapei Wang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Yonglin He
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
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3
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Ye Y, Yu L, Lizundia E, Zhu Y, Chen C, Jiang F. Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices. Chem Rev 2023; 123:9204-9264. [PMID: 37419504 DOI: 10.1021/acs.chemrev.2c00618] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
Ionic conductors (ICs) find widespread applications across different fields, such as smart electronic, ionotronic, sensor, biomedical, and energy harvesting/storage devices, and largely determine the function and performance of these devices. In the pursuit of developing ICs required for better performing and sustainable devices, cellulose appears as an attractive and promising building block due to its high abundance, renewability, striking mechanical strength, and other functional features. In this review, we provide a comprehensive summary regarding ICs fabricated from cellulose and cellulose-derived materials in terms of fundamental structural features of cellulose, the materials design and fabrication techniques for engineering, main properties and characterization, and diverse applications. Next, the potential of cellulose-based ICs to relieve the increasing concern about electronic waste within the frame of circularity and environmental sustainability and the future directions to be explored for advancing this field are discussed. Overall, we hope this review can provide a comprehensive summary and unique perspectives on the design and application of advanced cellulose-based ICs and thereby encourage the utilization of cellulosic materials toward sustainable devices.
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Affiliation(s)
- Yuhang Ye
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Le Yu
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Erlantz Lizundia
- Life Cycle Thinking Group, Department of Graphic Design and Engineering Projects, Faculty of Engineering in Bilbao University of the Basque Country (UPV/EHU), Bilbao 48013, Spain
- BCMaterials Lab, Basque Center for Materials, Applications and Nanostructures, Leioa 48940, Spain
| | - Yeling Zhu
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Chaoji Chen
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Feng Jiang
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
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4
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Zhang Y, Riexinger J, Yang X, Mikhailova E, Jin Y, Zhou L, Bayley H. A microscale soft ionic power source modulates neuronal network activity. Nature 2023; 620:1001-1006. [PMID: 37648756 PMCID: PMC10468398 DOI: 10.1038/s41586-023-06295-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 06/07/2023] [Indexed: 09/01/2023]
Abstract
Bio-integrated devices need power sources to operate1,2. Despite widely used technologies that can provide power to large-scale targets, such as wired energy supplies from batteries or wireless energy transduction3, a need to efficiently stimulate cells and tissues on the microscale is still pressing. The ideal miniaturized power source should be biocompatible, mechanically flexible and able to generate an ionic current for biological stimulation, instead of using electron flow as in conventional electronic devices4-6. One approach is to use soft power sources inspired by the electrical eel7,8; however, power sources that combine the required capabilities have not yet been produced, because it is challenging to obtain miniaturized units that both conserve contained energy before usage and are easily triggered to produce an energy output. Here we develop a miniaturized soft power source by depositing lipid-supported networks of nanolitre hydrogel droplets that use internal ion gradients to generate energy. Compared to the original eel-inspired design7, our approach can shrink the volume of a power unit by more than 105-fold and it can store energy for longer than 24 h, enabling operation on-demand with a 680-fold greater power density of about 1,300 W m-3. Our droplet device can serve as a biocompatible and biological ionic current source to modulate neuronal network activity in three-dimensional neural microtissues and in ex vivo mouse brain slices. Ultimately, our soft microscale ionotronic device might be integrated into living organisms.
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Affiliation(s)
- Yujia Zhang
- Department of Chemistry, University of Oxford, Oxford, UK.
| | | | - Xingyun Yang
- Department of Chemistry, University of Oxford, Oxford, UK
| | | | - Yongcheng Jin
- Department of Chemistry, University of Oxford, Oxford, UK
| | - Linna Zhou
- Department of Chemistry, University of Oxford, Oxford, UK.
- Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
| | - Hagan Bayley
- Department of Chemistry, University of Oxford, Oxford, UK.
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5
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Peyrow Hedayati D, Singh G, Kucher M, Keene TD, Böhm R. Physicochemical Modeling of Electrochemical Impedance in Solid-State Supercapacitors. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1232. [PMID: 36770236 PMCID: PMC9919100 DOI: 10.3390/ma16031232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Solid-state supercapacitors (SSCs) consist of porous carbon electrodes and gel-polymer electrolytes and are used in novel energy storage applications. The current study aims to simulate the impedance of SSCs using a clearly defined equivalent circuit (EC) model with the ultimate goal of improving their performance. To this end, a conventional mathematical and a physicochemical model were adapted. The impedance was measured by electrochemical impedance spectroscopy (EIS). An EC consisting of electrical elements was introduced for each modeling approach. The mathematical model was purely based on a best-fit method and utilized an EC with intuitive elements. In contrast, the physicochemical model was motivated by advanced theories and allowed meaningful associations with properties at the electrode, the electrolyte, and their interface. The physicochemical model showed a higher approximation ability (relative error of 3.7%) due to the interface impedance integration in a more complex circuit design. However, this model required more modeling and optimization effort. Moreover, the fitted parameters differed from the analytically calculated ones due to uncertainties in the SSC's microscale configuration, which need further investigations. Nevertheless, the results show that the proposed physicochemical model is promising in simulating EIS data of SSCs with the additional advantage of utilizing well-reasoned property-based EC elements.
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Affiliation(s)
| | - Gita Singh
- School of Chemistry, University College Dublin, Belfield, 4 Dublin, Ireland
| | - Michael Kucher
- Faculty of Engineering, Leipzig University of Applied Sciences, 04277 Leipzig, Germany
| | - Tony D. Keene
- School of Chemistry, University College Dublin, Belfield, 4 Dublin, Ireland
| | - Robert Böhm
- Faculty of Engineering, Leipzig University of Applied Sciences, 04277 Leipzig, Germany
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6
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Sun Z, Ahmad M, Wang S. Ion transport property, structural features, and applications of cellulose-based nanofluidic platforms — A review. Carbohydr Polym 2022; 289:119406. [DOI: 10.1016/j.carbpol.2022.119406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 11/02/2022]
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7
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Chen Y, Zhu Z, Tian Y, Jiang L. Rational ion transport management mediated through membrane structures. EXPLORATION 2021; 1:20210101. [PMCID: PMC10190948 DOI: 10.1002/exp.20210101] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 09/13/2021] [Indexed: 06/14/2023]
Affiliation(s)
- Yupeng Chen
- Key Laboratory of Bio‐Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry Beihang University Beijing P. R. China
| | - Zhongpeng Zhu
- Key Laboratory of Bio‐Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry Beihang University Beijing P. R. China
| | - Ye Tian
- CAS Key Laboratory of Bio‐Inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing P. R. China
- University of Chinese Academy of Sciences Beijing P. R. China
| | - Lei Jiang
- Key Laboratory of Bio‐Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry Beihang University Beijing P. R. China
- CAS Key Laboratory of Bio‐Inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing P. R. China
- University of Chinese Academy of Sciences Beijing P. R. China
- School of Future Technology University of Chinese Academy of Sciences Beijing P. R. China
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8
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Zhou T, Cheng Q. Chemical Strategies for Making Strong Graphene Materials. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tianzhu Zhou
- School of Chemistry Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education Beijing Advanced Innovation Center for Biomedical Engineering Beihang University Beijing 100191 China
| | - Qunfeng Cheng
- School of Chemistry Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education Beijing Advanced Innovation Center for Biomedical Engineering Beihang University Beijing 100191 China
- School of Materials Science and Engineering Zhengzhou University Zhengzhou 450001 China
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9
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Chen C, Hu L. Nanoscale Ion Regulation in Wood-Based Structures and Their Device Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2002890. [PMID: 33108027 DOI: 10.1002/adma.202002890] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/05/2020] [Indexed: 05/26/2023]
Abstract
Ion transport and regulation are fundamental processes for various devices and applications related to energy storage and conversion, environmental remediation, sensing, ionotronics, and biotechnology. Wood-based materials, fabricated by top-down or bottom-up approaches, possess a unique hierarchically porous fibrous structure that offers an appealing material platform for multiscale ion regulation. The ion transport behavior in these materials can be regulated through structural and compositional engineering from the macroscale down to the nanoscale, imparting wood-based materials with multiple functions for a range of emerging applications. A fundamental understanding of ion transport behavior in wood-based structures enhances the capability to design high-performance ion-regulating devices and promotes the utilization of sustainable wood materials. Combining this unique ion regulation capability with the renewable and cost-effective raw materials available, wood and its derivatives are the natural choice of materials toward sustainability.
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Affiliation(s)
- Chaoji Chen
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
- Center for Materials Innovation, University of Maryland, College Park, MD, 20742, USA
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
- Center for Materials Innovation, University of Maryland, College Park, MD, 20742, USA
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10
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Yu ZL, Qin B, Ma ZY, Gao YC, Guan QF, Yang HB, Yu SH. Emerging Bioinspired Artificial Woods. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2001086. [PMID: 32483868 DOI: 10.1002/adma.202001086] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/20/2020] [Accepted: 03/26/2020] [Indexed: 05/07/2023]
Abstract
As an abundant natural resource, wood has gained great attention for thousands of years, spanning from the primitive construction materials to the modern high-added-value engineering materials. The unique delicate microstructures and the wonderful properties (e.g., low-density, high strength and stiffness, good toughness, and environmental sustainability) have made wood a natural source of inspiration that guides researchers to invent various wood-inspired materials. Herein, as an emerging material system, bioinspired artificial wood, with similar cellular structures and comparable mechanical properties, is discussed in the view of the design concept, fabrication strategy, properties, and possible applications. The present challenges and further research opportunities are also presented for artificial woods to thrive. To achieve the final eco-friendly artificial wood, more endeavors should be made in biomaterials and biodegradable or recyclable engineering of polymers to gain high mechanical properties and environmental sustainability simultaneously.
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Affiliation(s)
- Zhi-Long Yu
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Bing Qin
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Zhi-Yuan Ma
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Yu-Cheng Gao
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Qing-Fang Guan
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Huai-Bin Yang
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Shu-Hong Yu
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Institute of Energy, Hefei Comprehensive National Science Center, CAS Center for Excellence in Nanoscience, Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei, 230026, China
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11
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Muscle-inspired double-network hydrogels with robust mechanical property, biocompatibility and ionic conductivity. Carbohydr Polym 2021; 262:117936. [PMID: 33838813 DOI: 10.1016/j.carbpol.2021.117936] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/23/2021] [Accepted: 03/10/2021] [Indexed: 12/13/2022]
Abstract
Inspired by muscle architectures, double network hydrogels with hierarchically aligned structures were fabricated, where cross-linked cellulose nanofiber (CNF)/chitosan hydrogel threads obtained by interfacial polyelectrolyte complexation spinning were collected in alignment as the first network, while isotropic poly(acrylamide-co-acrylic acid) (PAM-AA) served as the second network. After further cross-linking using Fe3+, the hydrogel showed an outstanding mechanical performance, owing to effective energy dissipation of the oriented asymmetric double networks. The average strength and elongation-at-break of PAM-AA/CNF/Fe3+ hydrogel were 11 MPa and 480 % respectively, which the strength was comparative to that of biological tissues. The aligned CNFs in the hydrogels provided probable ion transport channels, contributing to the high ionic conductivity, which was up to 0.022 S/cm when the content of LiCl was 1.5 %. Together with superior biocompatibility, the well-ordered hydrogel showed a promising potential in biological applications, such as artificial soft tissue materials and muscle-like sensors for human motion monitoring.
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12
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Zhou T, Cheng Q. Chemical Strategies for Making Strong Graphene Materials. Angew Chem Int Ed Engl 2021; 60:18397-18410. [PMID: 33755316 DOI: 10.1002/anie.202102761] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Indexed: 11/10/2022]
Abstract
Graphene materials have been widely applied in various fields because of their remarkable mechanical and electrical properties. However, two obstacles arise during the assembly of graphene platelets into macroscale graphene materials and composites that impair the performance of the resultant graphene materials: 1) the voids between the graphene platelets, and 2) the wrinkling of the graphene platelets. In the past decade, several strategies have been developed to eliminate these obstacles. These strategies result in strong macroscale graphene materials, such as graphene fibers with tensile strengths of over 3.4 GPa and sheets with tensile strengths of over 1.5 GPa, which have many practical applications. This Minireview summarizes the effective strategies for assembling graphene materials and compares their advantages and drawbacks. The preparation processes as well as the resulting fundamental mechanical properties and wide spectrum of electrical and magnetic properties are also discussed. Finally, our outlook for the future of this field is presented.
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Affiliation(s)
- Tianzhu Zhou
- School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Qunfeng Cheng
- School of Chemistry, Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, China.,School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
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13
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Yeon SY, Yun J, Yoon SH, Lee D, Jang W, Han SH, Kang CM, Chung TD. A miniaturized solid salt reverse electrodialysis battery: a durable and fully ionic power source. Chem Sci 2018; 9:8071-8076. [PMID: 30542555 PMCID: PMC6238720 DOI: 10.1039/c8sc02954g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 08/27/2018] [Indexed: 01/07/2023] Open
Abstract
A novel pump-free miniaturized reverse electrodialysis (RED) system was designed to provide lasting power transduced from salinity gradients, named solid salt RED (ssRED), and this quasi-battery uses a solid salt instead of electrolyte solution for streamlined usage. It is portable, flexible, comparable in size to a universal serial bus flash drive, and easily activated with a small amount of water. It maintains a constant ionic concentration gradient through precipitation reactions between a pair of different salts. This precipitation-assisted solid salt RED (PssRED) is an unprecedented ionic power source as it can generate steady electricity in the absence of a driving pump. The PssRED was successfully coupled with bipolar electrode (BPE) microchip sensors which require stable ionic electricity and a polyelectrolyte ionic diode to realize a fully ionic circuit. It is envisioned that the range of application could be expanded to supply electromotive force to various devices through an ionic charge flow.
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Affiliation(s)
- Song Yi Yeon
- Department of Chemistry , Seoul National University , Seoul , 08826 , Republic of Korea .
| | - Jeongse Yun
- Department of Chemistry , Seoul National University , Seoul , 08826 , Republic of Korea .
| | - Sun-Heui Yoon
- Department of Chemistry , Seoul National University , Seoul , 08826 , Republic of Korea .
| | - Dahye Lee
- Department of Chemistry , Seoul National University , Seoul , 08826 , Republic of Korea .
| | - Woohyuk Jang
- Department of Chemistry , Seoul National University , Seoul , 08826 , Republic of Korea .
| | - Seok Hee Han
- Department of Chemistry , Seoul National University , Seoul , 08826 , Republic of Korea .
| | - Chung Mu Kang
- Advanced Institute of Convergence Technology , Suwon-si , Gyeonggi-do 16229 , Republic of Korea
| | - Taek Dong Chung
- Department of Chemistry , Seoul National University , Seoul , 08826 , Republic of Korea .
- Advanced Institute of Convergence Technology , Suwon-si , Gyeonggi-do 16229 , Republic of Korea
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14
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Park H, Lee KH, Kim YB, Ambade SB, Noh SH, Eom W, Hwang JY, Lee WJ, Huang J, Han TH. Dynamic assembly of liquid crystalline graphene oxide gel fibers for ion transport. SCIENCE ADVANCES 2018; 4:eaau2104. [PMID: 30406202 PMCID: PMC6214641 DOI: 10.1126/sciadv.aau2104] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 09/25/2018] [Indexed: 05/22/2023]
Abstract
Colloidal dispersions with liquid crystallinity hold great promise for fabricating their superstructures. As an example, when graphene oxide (GO) sheets are assembled in the liquid crystalline state, they can turn into ordered macroscopic forms of GO such as fibers via the wet spinning process. Here, we report that by reinforcing intersheet interactions, GO liquid crystals (LCs) turn into mechanically robust hydrogels that can be readily drawn into highly aligned fibrillar structures. GO hydrogel fibers with highly aligned sheets (orientation factor, f = 0.71) exhibit more than twice the ionic conductivity compared to those with partially aligned structures (f = 0.01). The hierarchically interconnected two-dimensional nanochannels within these neatly aligned GOLC hydrogel fibers may facilitate controlled transport of charge carriers and could be potentially explored as cables for interconnecting biosystems and/or human-made devices.
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Affiliation(s)
- H. Park
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - K. H. Lee
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Y. B. Kim
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - S. B. Ambade
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
- The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Republic of Korea
| | - S. H. Noh
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - W. Eom
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - J. Y. Hwang
- Carbon Composites Materials Research Center, Korea Institute of Science and Technology (KIST), Jeonbuk 55324, Republic of Korea
| | - W. J. Lee
- Department of Fiber System Engineering, Dankook University, Yongin 16890, Republic of Korea
- Corresponding author. (T.H.H.); (J.H.); (W.J.L.)
| | - J. Huang
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
- Corresponding author. (T.H.H.); (J.H.); (W.J.L.)
| | - T. H. Han
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
- Corresponding author. (T.H.H.); (J.H.); (W.J.L.)
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Kong W, Wang C, Jia C, Kuang Y, Pastel G, Chen C, Chen G, He S, Huang H, Zhang J, Wang S, Hu L. Muscle-Inspired Highly Anisotropic, Strong, Ion-Conductive Hydrogels. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1801934. [PMID: 30101467 DOI: 10.1002/adma.201801934] [Citation(s) in RCA: 203] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/02/2018] [Indexed: 05/26/2023]
Abstract
Biological tissues generally exhibit excellent anisotropic mechanical properties owing to their well-developed microstructures. Inspired by the aligned structure in muscles, a highly anisotropic, strong, and conductive wood hydrogel is developed by fully utilizing the high-tensile strength of natural wood, and the flexibility and high-water content of hydrogels. The wood hydrogel exhibits a high-tensile strength of 36 MPa along the longitudinal direction due to the strong bonding and cross-linking between the aligned cellulose nanofibers (CNFs) in wood and the polyacrylamide (PAM) polymer. The wood hydrogel is 5 times and 500 times stronger than the bacterial cellulose hydrogels (7.2 MPa) and the unmodified PAM hydrogel (0.072 MPa), respectively, representing one of the strongest hydrogels ever reported. Due to the negatively charged aligned CNF, the wood hydrogel is also an excellent nanofluidic conduit with an ionic conductivity of up to 5 × 10-4 S cm-1 at low concentrations for highly selective ion transport, akin to biological muscle tissue. The work offers a promising strategy to fabricate a wide variety of strong, anisotropic, flexible, and ionically conductive wood-based hydrogels for potential biomaterials and nanofluidic applications.
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Affiliation(s)
- Weiqing Kong
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Chengwei Wang
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Chao Jia
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Yudi Kuang
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Glenn Pastel
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Chaoji Chen
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Gegu Chen
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Shuaiming He
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Hao Huang
- Department of Mechanical Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Jianhua Zhang
- Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Sha Wang
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
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