A Self‐Healing Flexible Quasi‐Solid Zinc‐Ion Battery Using All‐In‐One Electrodes

Liu, Jinyun; Long, Jiawei; Shen, Zihan; Jin, Xing; Han, Tianli; Si, Ting; Zhang, Huigang

doi:10.1002/advs.202004689

Cited by 64 publications

(42 citation statements)

References 52 publications

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“…Aqueous Zn‐ion batteries with Zn metal as anode have been intensively investigated recently, owning to their promising potential on flexible and wearable batteries, such as high theoretical capacity, low cost, and high safety. [ 1 , 2 , 3 , 4 , 5 , 6 ] Nevertheless, the Zn anodes are suffering from the flagrant Zn dendrite and water‐induced side reaction issues which severely degenerate the long‐term cycling life‐span of Zn‐ion batteries especially at high current densities ( Figure 1 a ). [ 7 , 8 , 9 , 10 ] On the one hand, the uneven electric field distribution which is deteriorated at high current densities can induce the ion concentration and charge aggregation on Zn anode to facilitate the dendrite growth.…”

Section: Introductionmentioning

confidence: 99%

“…Comparing to liquid electrolyte, gel electrolyte owns higher ion conductivity and safer performance on Zn‐ion batteries. [ 2 , 34 , 35 , 36 , 37 ] Particularly, polyzwitterionic gel bearing anionic and cationic groups in the molecular chain can noticeably facilitate the ion migration for higher ionic conductivity and transference number. [ 13 ] In addition, the sulfonate (SO 3 − ) groups which can induce the Zn 2+ for (002) homoepitaxial deposition are typical anions in many polyzwitterions.…”

Section: Introductionmentioning

confidence: 99%

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Gel Electrolyte Constructing Zn (002) Deposition Crystal Plane Toward Highly Stable Zn Anode

et al. 2022

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Zinc (Zn) metal anode has been widely evaluated in aqueous Zn batteries. Nevertheless, the dendrite formation issue and consecutive side reactions severely impede the practical applications of Zn metal at high current densities. Herein, it is reported that engineering the gel electrolyte with multifunctional charged groups by incorporating a zwitterionic gel poly(3-(1-vinyl-3-imidazolio) propanesulfonate) (PVIPS) can effectively address the abovementioned issues. The charged groups of sulfonate and imidazole in the gel electrolyte can texture the Zn 2+ nucleation and deposition plane to (002), which possesses a high activation energy to resist side reactions and induce uniform growth of Zn metal for a dendrite-free structure. In addition, the Zn 2+ solvation structure can be manipulated by the charged groups to further eliminate side reactions for high rate performance Zn batteries. Consequently, the polyzwitterionic gel electrolyte enables a stable cycling with a cumulative capacity of 3000 mA h cm −2 at high density of 7.5 mA cm −2 for the symmetrical Zn battery, and a long-term cycling life for more than 1000 cycles at 5 C of Zn/MnO 2 full battery. It is envisioned that the design of the gel electrolyte will provide promising feasibility on safe, flexible, and wearable energy storage devices.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Gel Electrolyte Constructing Zn (002) Deposition Crystal Plane Toward Highly Stable Zn Anode

et al. 2022

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“…Based on the above characteristics, the practical applicability of CT3G30 hydrogel electrolyte will be greatly enhanced. Similarly, there are many reports of hydrogel electrolytes with unique properties, such as PVA/Zn(CH 3 COO) 2 /Mn(CH 3 COO) 2 (PVA-Zn/Mn) [ 170 ] and Zn(CF 3 SO 3 ) 2 polyacrylamide (PAM) [ 171 ].…”

Section: Design and Optimization Of High-performance Zn Anode In Mild Aqueous Zibsmentioning

confidence: 99%

Zinc Anode for Mild Aqueous Zinc-Ion Batteries: Challenges, Strategies, and Perspectives

et al. 2022

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The rapid advance of mild aqueous zinc-ion batteries (ZIBs) is driving the development of the energy storage system market. But the thorny issues of Zn anodes, mainly including dendrite growth, hydrogen evolution, and corrosion, severely reduce the performance of ZIBs. To commercialize ZIBs, researchers must overcome formidable challenges. Research about mild aqueous ZIBs is still developing. Various technical and scientific obstacles to designing Zn anodes with high stripping efficiency and long cycling life have not been resolved. Moreover, the performance of Zn anodes is a complex scientific issue determined by various parameters, most of which are often ignored, failing to achieve the maximum performance of the cell. This review proposes a comprehensive overview of existing Zn anode issues and the corresponding strategies, frontiers, and development trends to deeply comprehend the essence and inner connection of degradation mechanism and performance. First, the formation mechanism of dendrite growth, hydrogen evolution, corrosion, and their influence on the anode are analyzed. Furthermore, various strategies for constructing stable Zn anodes are summarized and discussed in detail from multiple perspectives. These strategies are mainly divided into interface modification, structural anode, alloying anode, intercalation anode, liquid electrolyte, non-liquid electrolyte, separator design, and other strategies. Finally, research directions and prospects are put forward for Zn anodes. This contribution highlights the latest developments and provides new insights into the advanced Zn anode for future research.

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“…[ 19 ] Compared with conventional lithium‐ion batteries, aqueous zinc‐ion batteries hold the advantages of low cost, high theoretical volumetric capacity (5854 Ah L –1 ), good rechargeability, and safe chemistry. [ 20 , 21 , 22 , 23 , 24 ] Paper‐based zinc‐ion batteries are mainly shown in two categories. One is assembling active materials on the surface of cellulose fibers paper or directly fabricating freestanding active material films as paper‐like electrodes.…”

Section: Introductionmentioning

confidence: 99%

Printed Zinc Paper Batteries

Yang

Lee

et al. 2021

Advanced Science

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Paper electronics offer an environmentally sustainable option for flexible and wearable systems and perfectly fit the available printing technologies for high manufacturing efficiency. As the heart of energy-consuming devices, paper-based batteries are required to be compatible with printing processes with high fidelity. Herein, hydrogel reinforced cellulose paper (HCP) is designed to serve as the separator and solid electrolyte for paper batteries. The HCP can sustain higher strain than pristine papers and are biodegradable in natural environment within four weeks. Zinc-metal (Ni and Mn) batteries printed on the HCP present remarkable volumetric energy density of ≈26 mWh cm -3 , and also demonstrate the feature of cuttability and compatibility with flexible circuits and devices. As a result, self-powered electronic system could be constructed by integrating printed paper batteries with solar cells and light-emitting diodes. The result highlights the feasibility of hydrogel reinforced paper for ubiquitous flexible and eco-friendly electronics.

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A Self‐Healing Flexible Quasi‐Solid Zinc‐Ion Battery Using All‐In‐One Electrodes

Cited by 64 publications

References 52 publications

Gel Electrolyte Constructing Zn (002) Deposition Crystal Plane Toward Highly Stable Zn Anode

Gel Electrolyte Constructing Zn (002) Deposition Crystal Plane Toward Highly Stable Zn Anode

Zinc Anode for Mild Aqueous Zinc-Ion Batteries: Challenges, Strategies, and Perspectives

Printed Zinc Paper Batteries

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