Cellulose-complexing strategy induced surface regulation towards ultrahigh utilization rate of Zn

Li, Xin; Yao, Hong; Li, Yuhang; Liu, Xiangjie; Yuan, Du; Chen, Yingqian; Wong, Ming Wah; Zhang, Yizhou; Zhang, Haitao

doi:10.1039/d3ta02117c

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta02117c

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Cellulose-complexing strategy induced surface regulation towards ultrahigh utilization rate of Zn

Xin Li

Hong Yao

Yuhang Li

et al.

Abstract: Electrolyte design provides a fundamental solution to addressing the irreversibility and instability of metallic Zn anode for fast-developing zinc ion batteries, with growing concern mounted on its sustainability. Here, a...

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Cited by 14 publications

References 56 publications

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Advanced Characterization Techniques on Mechanism Understanding and Effect Evaluation in Zinc Anode Protection

Zhu,

Li,

Rao

et al. 2024

Advanced Energy Materials

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The growing environmental pollution issues and continuous energy dilemma call for high‐performance energy storage systems (ESSs). While the inevitable safety concerns appear and restrict the application of lithium‐ion batteries in large‐scale ESSs. Contrastively, zinc ion batteries (ZIBs) attract increasing attention due to the inherent advantages of high safety, low cost, and environmental friendliness. However, the poor stability and reversibility of Zn anodes bring severe difficulty for its practical application. Considerable efforts are devoted in the anode modification, such as electrolyte adjustment, interfacial engineering, and anode structure design, but there is still a fuzzy field concerning the reaction process, regulation mechanism, and modified effect. Reviewing the history, the development of various electrodes greatly depends on the breakthrough in advanced characterization technologies, while the summarizations of technological advances in the Zn anode are still deficient. Hence, this review concentrates on the recent progress in various characterization techniques and related strategies of anode protection. The information is especially highlighted that each technique can offer the crucial or auxiliary role they play in proving specific issues. Furthermore, the opinions on current limitations and future directions of common characterization techniques are also discussed in detail, aiming to give a comprehensive perspective in designing advanced zinc anodes.

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Advanced Characterization Techniques on Mechanism Understanding and Effect Evaluation in Zinc Anode Protection

Zhu,

Li,

Rao

et al. 2024

Advanced Energy Materials

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Anion Chemistry towards On‐Site Construction of Solid‐Electrolyte Interface for Highly Stable Metallic Zn Anode

Yao,

Li,

Chen

et al. 2024

Angewandte Chemie

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Reversibility of metallic Zn anode serves as the corner stone for the development of aqueous Zn metal battery, which motivates scrutinizing the electrolyte‐Zn interface. As the representative organic zinc salt, zinc trifluorosulfonate (Zn(OTf)2) facilitates a broad class of aqueous electrolytes, however, the stability issue of Zn anode remains crucial. The great challenge lies in the lack of Zn anode protection by the pristinely formed surface structure in aqueous Zn(OTf)2 electrolytes. Accordingly, an electrochemical route was developed to grow a uniform zinc trifluorosulfonate hydroxide (ZTH) layer on Zn anode as an artificial SEI, via regulation on metal dissolution and strong coordination ability of zinc ions. Co‐precipitation was proposed to be the formation mechanism for the artificial SEI, where the reduction stability of OTf− anion and the low‐symmetry layer structure of ZTH was unmasked. This artificial SEI favors interfacial kinetics, depresses side reactions, and well maintains its integrity during cycling, leading to a prolonged lifespan of Zn stripping/plating with a high DOD of ~85 %, and an improved cycling stability of ~92 % retention rate for V2O5/Zn cell at 1 A g−1. The unveiled role of anion on Zn anode drives the contemplation on the surface chemistry for the blooming aqueous rechargeable battery.

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Anion Chemistry towards On‐Site Construction of Solid‐Electrolyte Interface for Highly Stable Metallic Zn Anode

Yao,

Li,

Chen

et al. 2024

Angew Chem Int Ed

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Cellulose-complexing strategy induced surface regulation towards ultrahigh utilization rate of Zn

Abstract: Electrolyte design provides a fundamental solution to addressing the irreversibility and instability of metallic Zn anode for fast-developing zinc ion batteries, with growing concern mounted on its sustainability. Here, a...

Cited by 14 publications

References 56 publications

Advanced Characterization Techniques on Mechanism Understanding and Effect Evaluation in Zinc Anode Protection

Advanced Characterization Techniques on Mechanism Understanding and Effect Evaluation in Zinc Anode Protection

Anion Chemistry towards On‐Site Construction of Solid‐Electrolyte Interface for Highly Stable Metallic Zn Anode

Anion Chemistry towards On‐Site Construction of Solid‐Electrolyte Interface for Highly Stable Metallic Zn Anode

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