Enhanced cathode integrity for zinc–manganese oxide fiber batteries by a durable protective layer

Wang, Jiawei; Liao, Meng; Huang, Xin-Lin; Li, Pengzhou; Li, Jiaxin; Ye, Lei; Gao, Yue; Peng, Huisheng; Wang, Bingjie

doi:10.1039/d2ta00982j

Cited by 10 publications

(10 citation statements)

References 35 publications

(42 reference statements)

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“…44−0992). 42 The XPS spectra further confirm the presence of Mn 4+ and O 2− (Figure S18b−d). Figure 5a shows the CV loops at 0.2 mV s −1 collected from a Zn∥MnO 2 cell and a Zn@Se-2∥MnO 2 cell, respectively.…”

Section: Resultsmentioning

confidence: 66%

Interfacial Modification of a Zn Anode by Amorphous Se toward Long-Life and Hydrogen Evolution-Free Aqueous Rechargeable Batteries

Yuan,

Xu,

et al. 2023

ACS Appl. Mater. Interfaces

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The Zn anode in rechargeable aqueous Zn-ion batteries suffers from hydrogen gas evolution and dendrite growth, which are critical issues that make the battery impractical. Here, the Zn anode performance is greatly improved by coating an amorphous selenium overlayer with a simple chemical bath reaction process. The reduction of SeO 3 2− ions by the Zn metal leads to the formation of an amorphous Se layer, and the optimal reaction time that determines the thickness of the Se coating as well as the Zn anode performance is found to be 2 h. The symmetric cell using Zn@Se exhibits improved rate performance and an ultralong cycle life of 4500 h after being tested at 1 mA cm −2 and 1 mAh cm −2 , respectively. Compared to the bare Zn anode, the Zn@Se anode leads to a larger Zn 2+ transference number and reduced charge transfer resistance. The button-type MnO 2 ∥Zn@Se full cell exhibits higher capacity and a much longer cycle life compared to the counterpart using a bare Zn anode. Also, pouch-type MnO 2 ∥Zn@Se full cells with a high capacity of 9.7 mAh cm −2 are made to demonstrate the inhibition of hydrogen evolution and practical applications. It is found that the in situ formation of an amorphous ZnO nanosheet network induced by the amorphous Se overlayer plays a key role in enhancing the Zn anode performance.

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Section: Resultsmentioning

confidence: 66%

Interfacial Modification of a Zn Anode by Amorphous Se toward Long-Life and Hydrogen Evolution-Free Aqueous Rechargeable Batteries

Yuan,

Xu,

et al. 2023

ACS Appl. Mater. Interfaces

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“…The resulting fiber battery demonstrated high durability and stable energy output under varying deformations and delivered a long cycle life of up to 4 000 cycles at 2 A g −1 . 388 Aqueous fiber Na-ion batteries are promising to power various implantable electronics. For example, a biocompatible and rechargeable fiber battery was constructed with CNT hybrid fibers as electrodes.…”

Section: Fiber Lithium-ion Batteriesmentioning

confidence: 99%

“…To prevent the peeling of cathode active materials during deformations, a durable protective layer was developed to stabilize the incorporated cathode materials for flexible aqueous Zn–MnO 2 fiber batteries with both high integrity and durability. The resulting fiber battery demonstrated high durability and stable energy output under varying deformations and delivered a long cycle life of up to 4 000 cycles at 2 A g –1 …”

Section: Fiber Energy-storage Devicesmentioning

confidence: 99%

Functional Fiber Materials to Smart Fiber Devices

et al. 2022

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The development of fiber materials has accompanied the evolution of human civilization for centuries. Recent advances in materials science and chemistry offered fibers new applications with various functions, including energy harvesting, energy storing, displaying, health monitoring and treating, and computing. The unique one-dimensional shape of fiber devices endows them advantages to work as human-interfaced electronics due to the small size, lightweight, flexibility, and feasibility for integration into large-scale textile systems. In this review, we first present a discussion of the basics of fiber materials and the design principles of fiber devices, followed by a comprehensive analysis on recently developed fiber devices. Finally, we provide the current challenges facing this field and give an outlook on future research directions. With novel fiber devices and new applications continuing to be discovered after two decades of research, we envision that new fiber devices could have an important impact on our life in the near future.

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“…[4][5][6][7] Considerable progress has been made in the study of cathodes for RAZBs. [8][9][10][11][12] The standing challenge resides in the low coulombic efficiency and dendrite growth of the Zn-metal anode. [13][14][15][16][17] By far, the strategies for dendrite suppression and reversibility enhancement include host structural design, surface modication, and electrolyte optimization, which are highly effective upon a limited discharge depth of Zn.…”

Section: Introductionmentioning

confidence: 99%

Practical conversion-type titanium telluride anodes for high-capacity long-lifespan rechargeable aqueous zinc batteries

Zhang

Kang

et al. 2022

J. Mater. Chem. A

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Enhanced cathode integrity for zinc–manganese oxide fiber batteries by a durable protective layer

Abstract: Aqueous fiber batteries with high safety and flexibility have attracted extensive attention for their promising applications in next-generation wearable electronics. However, the further applications of aqueous fiber batteries are severely...

Cited by 10 publications

References 35 publications

Interfacial Modification of a Zn Anode by Amorphous Se toward Long-Life and Hydrogen Evolution-Free Aqueous Rechargeable Batteries

Interfacial Modification of a Zn Anode by Amorphous Se toward Long-Life and Hydrogen Evolution-Free Aqueous Rechargeable Batteries

Functional Fiber Materials to Smart Fiber Devices

Practical conversion-type titanium telluride anodes for high-capacity long-lifespan rechargeable aqueous zinc batteries

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