Sorbitol-modified cellulose hydrogel electrolyte derived from wheat straws towards high-performance environmentally adaptive flexible zinc-ion batteries

Quan, Yuhui; Zhou, Weijun; Wu, Tian; Chen, Minfeng; Han, Xiang; Tian, Qinghua; Xu, Junling; Chen, Jizhang

doi:10.1016/j.cej.2022.137056

Cited by 57 publications

(27 citation statements)

References 64 publications

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“…MXene nanosheets act as the conductive backbone, conferring higher electrical conductivity and sensitivity to the zwitterionic hydrogels. , The sulfonic acid groups, carboxyl groups, and quaternary ammonium groups on the PSM molecular chains provide transport channels for the ion migration of Zn 2+ and Cl – , contributing to the dissociation of high concentrations of ZnCl 2 dissociation, providing the possibility for higher conductivity. Moreover, the strong interaction between Zn 2+ and water molecules can form hydrated [Zn(H 2 O)n] 2+ ions, which further enhance the water retention capacity and freezing resistance of zwitterionic hydrogels …”

Section: Resultsmentioning

confidence: 99%

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Multifunctional MXene Conductive Zwitterionic Hydrogel for Flexible Wearable Sensors and Arrays

Guo,

Mai,

Huang

et al. 2023

ACS Appl. Mater. Interfaces

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Conductive hydrogels have good prospects in the fields of flexible electronic devices and artificial intelligence due to their biocompatibility, durability, and functional diversity. However, the process of hydrogel polymerization is time-consuming and energy-consuming, and freezing at zero temperature is inevitable, which seriously hinders its applications and working life. Herein, zwitterionic conductive hydrogels with self-adhesive and antifreeze properties were prepared in one minute by introducing twodimensional (2D) MXene nanosheets into the autocatalytically enhanced system composed of tannic acid-modified cellulose nanofibers and zinc chloride. The system has strong environmental applicability (−60 to 40 °C), good stretchability (ductility ≈ 980%), durable adhesion (even after 30 days of exposure to air), and strong electrical conductivity (20 °C, 30 mS cm −1 ). By virtue of these advantages, the prepared zwitterionic hydrogels can be developed into flexible strain sensors to monitor large human movements and subtle physiological signals over a wide temperature range and to capture signals from handwriting and voice recognition. In addition, multiple flexible sensors can be assembled into a three-dimensional (3D) array, which can detect the magnitude and spatial distribution of strain or force. These results demonstrate that the prepared zwitterionic hydrogels have promising applications in the fields of medical monitoring and artificial intelligence.

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Section: Resultsmentioning

confidence: 99%

“…Moreover, the strong interaction between Zn 2+ and water molecules can form hydrated [Zn(H 2 O)n] 2+ ions, which further enhance the water retention capacity and freezing resistance of zwitterionic hydrogels. 42 3.2. Mechanical Properties of PSM/TF/Zn 2+ Zwitterionic Hydrogels.…”

Section: Design and Characterization Of Psm/tf/zn 2+mentioning

confidence: 99%

Multifunctional MXene Conductive Zwitterionic Hydrogel for Flexible Wearable Sensors and Arrays

Guo,

Mai,

Huang

et al. 2023

ACS Appl. Mater. Interfaces

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“…This work demonstrated the introduction of organic additives into quasi‐solid‐state electrolytes is a valid method to obtain the antifreezing FQAZIBs (Figure 8b). Besides, some other organic additives such as glycerol, [ 123 ] sorbitol, [ 124 ] and dimethyl sulfoxide [ 125 ] also can be utilized to construct the antifreezing quasi‐solid‐state electrolyte. However, the ionic conductivity of the gel electrolytes containing organic additives is decreased ascribed to the increase in the radius of Zn 2+ solvation structure during the coordination of organic additives, leading to the inferior electrochemical performances.…”

Section: Functional Strategies Of Fqazibsmentioning

confidence: 99%

Flexible Quasi‐Solid‐State Aqueous Zinc‐Ion Batteries: Design Principles, Functionalization Strategies, and Applications

Wang

Liu

et al. 2023

Advanced Energy Materials

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The commercial traditional energy storage devices such as lithium-ion batteries and sodium-ion batteries are bulk and stiff, which hardly meet the requirements of flexible and wearable electronics. [2] Thus, seeking the power sources with high safety, reliability, and flexibility is highly urgent. [3] Aqueous zinc-ion batteries (AZIBs) have attracted a lot of interests with the features of inherent safety, plentiful reserves, low standard redox potential of Zn/Zn 2+ of −0.76 V versus the standard hydrogen electrode (SHE), and facile fabrication process. [4] Besides, the mild or weak acid aqueous electrolytes deliver higher conductivity and safety than organic electrolytes, implying the favorable power density of AZIBs. [5] These virtues endow the AZIBs present marvelous potential application in flexible electronic devices, under a condition that the AZIBs possess excellent flexibility via adopting flexible current collector and flexible packaging materials. [6] However, when the flexible AZIBs based on liquid electrolyte undergo various mechanical deformations, the occurrence of electrolyte leakage may jeopardize the cyclic performance of the batteries. [7] Moreover, the aqueous liquid Aqueous zinc-ion batteries (AZIBs) may have applications in macroscale energy storage on account of their advantages of high-safety, cost-effectiveness, and ecofriendliness. As a promising application, flexible quasi-solidstate AZIBs (FQAZIBs) can withstand mechanical deformation, and can act as favorable power supply devices for wearable electronics. As FQAZIBs are one of the most exciting and rapidly ongoing topics among aqueous batteries, it is critical yet timely to summarize the latest development in this field, providing the much-needed guidance for the fabrication of FQAZIBs. In this review, the recent progress and rational design strategies for FQAZIBs from mechanisms, design principles, and applications are systematically presented. First, the energy storage and flexible mechanisms of FQAZIBs are illuminated in detail. Subsequently, the design philosophies of FQAZIBs are also systematically elucidated. Moreover, the latest progress and practical applications of FQAZIBs in wearable electronics are reviewed in detail according to various functions such as compressibility, stretchability, electrochromic ability, anti-freezing ability, self-healing ability, self-charging properties, photodetecting function, shape memory, biodegradability, and actuated function. Finally, some applications and promising prospects in the research area of FQAZIBs are demonstrated to supply guidelines on the exploitation of their practical applications.

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“…[36][37][38] Hydrogel electrolytes are classified as chemical cross-linking hydrogel electrolytes and physical cross-linking hydrogel electrolytes. 39 Chemical cross-linking hydrogels such as polyvinyl alcohol (PVA), 40 polyethylene glycol (PEG), 41 and polyacrylamide (PAM) 42 hydrogels as electrolytes in ZIBs have been reported in the literature. 43 This type of hydrogel electrolyte is usually obtained by immersing pre-prepared hydrogels in zinc salt solutions until swelling equilibrium is reached, which means that high requirements are placed on the shape and swelling degree of the hydrogel.…”

Section: Introductionmentioning

confidence: 99%

Study of a novel supramolecular hydrogel electrolyte for aqueous zinc ion batteries

Yang

Huang

et al. 2023

J. Mater. Chem. C

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Sorbitol-modified cellulose hydrogel electrolyte derived from wheat straws towards high-performance environmentally adaptive flexible zinc-ion batteries

Cited by 57 publications

References 64 publications

Multifunctional MXene Conductive Zwitterionic Hydrogel for Flexible Wearable Sensors and Arrays

Multifunctional MXene Conductive Zwitterionic Hydrogel for Flexible Wearable Sensors and Arrays

Flexible Quasi‐Solid‐State Aqueous Zinc‐Ion Batteries: Design Principles, Functionalization Strategies, and Applications

Study of a novel supramolecular hydrogel electrolyte for aqueous zinc ion batteries

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