A chemically self-charging aqueous zinc-ion battery

Zhang, Yan; Wan, Fang; Huang, Shuo; Wang, Shuai; Niu, Zhiqiang; Chen, Jun

doi:10.1038/s41467-020-16039-5

Cited by 294 publications

(225 citation statements)

References 67 publications

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“…It would be very interesting to extend the work done by Zhang et al [257] with liquid electrolyte to GPEs. In this work a chemically self-charging aqueous ZIBs system, is integrated in a single CaV 6 O 16 •3H 2 O (CaVO) cathode.…”

Section: Zn-ionmentioning

confidence: 97%

A Review of the Use of GPEs in Zinc-Based Batteries. A Step Closer to Wearable Electronic Gadgets and Smart Textiles

2020

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With the flourish of flexible and wearable electronics gadgets, the need for flexible power sources has become essential. The growth of this increasingly diverse range of devices boosted the necessity to develop materials for such flexible power sources such as secondary batteries, fuel cells, supercapacitors, sensors, dye-sensitized solar cells, etc. In that context, comprehensives studies on flexible conversion and energy storage devices have been released for other technologies such Li-ion standing out the importance of the research done lately in GPEs (gel polymer electrolytes) for energy conversion and storage. However, flexible zinc batteries have not received the attention they deserve within the flexible batteries field, which are destined to be one of the high rank players in the wearable devices future market. This review presents an extensive overview of the most notable or prominent gel polymeric materials, including biobased polymers, and zinc chemistries as well as its practical or functional implementation in flexible wearable devices. The ultimate aim is to highlight zinc-based batteries as power sources to fill a segment of the world flexible batteries future market.

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Section: Zn-ionmentioning

confidence: 97%

A Review of the Use of GPEs in Zinc-Based Batteries. A Step Closer to Wearable Electronic Gadgets and Smart Textiles

2020

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“…Owing to the coexistence of metal ions and structural water, such co-intercalated layered cathode materials would like to perform an enhanced electronic conductivity, improved transport kinetics compared with the pristine counterpart. [108] In order to investigate the electricity conductivity of modified samples, Xia et al [194] respectively constructed the individual Ca ) at room temperature, such higher electrical conductivity also demonstrates that the Ca 2+ and H 2 O co-intercalation strategy can endows the V 2 O 5 a faster electron transfer and better battery performance. [195] In addition, to explore the transport kinetics inside the electrode, Li et al [111] developed the unique X-ray micro-computed tomography (CT) technique to examine the 3D morphology of Figure 8c-III, the pore channel (black), cathode material (light gray), and conductive carbon (dark gray) phases can be easily distinguished due to the higher resolution contrast.…”

Section: Ions and H 2 O Co-intercalationmentioning

confidence: 99%

Understanding the Design Principles of Advanced Aqueous Zinc‐Ion Battery Cathodes: From Transport Kinetics to Structural Engineering, and Future Perspectives

Yong

Wang

et al. 2020

Advanced Energy Materials

267

144

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have also greatly aroused the positive exploration of alternative LIB technologies in recent years. [44] In contrast to the flammable organic electrolyte in LIBs, the aqueous one exhibits lower cost, higher safety, and especially the superior ionic conductivity, which is generally two orders of magnitude higher than that of the organic system. [9,10] All those unparalleled advantages would make the aqueous battery technologies to be the promising candidates in the future. [11] Rechargeable aqueous zinc-ion batteries (AZIBs), which is mainly composed of zinc metal anode, zinc salt-based aqueous electrolyte, and Zn 2+ host cathode, hold the great promise for energy storage applications in very recent years. [12,13] Compared with nonaqueous alkali-ion batteries, the use of cheap and high ambient stable zinc metal anode and inexpensive aqueous electrolyte with superior ionic conductivity (Figure 1a) would make such type of battery to be one of the most promising commercial candidates in the future market. [14-17] To date, extensive studies have been reported for AZIBs, and relating publications have dramatically increased especially in these two years, as shown in Figure 1b. However, the insufficient energy density seems to become the bottleneck that hinder their practical applications at current status. [4,5,18] Such issue could be ascribed to the narrow operating voltage of aqueous electrolyte, insufficient electrochemical performance of cathode materials, and Zn anode. [13,19,20] Besides, the influence of other components such as separator and collector also should be considered to some extent. [20,21] Among them, the studies of widening operating voltage of electrolyte and the optimization of other components only received less attention, which still remain at the early stage. [22,23] On the contrary, more attentions were paid to the electrochemical performance tuning of electrode materials. [24-26] Besides, considering the fixed operating voltage of Zn metal anode, the modification of cathode materials seems to provide more possibilities to effectively improve the energy density of AZIBs, owing to their rich material systems. [20,26,27] Under these considerations, the rational design of advanced cathodes is expected to be a preferential task to develop. Up to now, many types of materials have been exploited as cathode candidates and applied for AZIBs, however, those Rechargeable aqueous zinc-ion batteries (AZIBs) have attracted extensive attention and are considered to be promising energy storage devices, owing to their low cost, eco-friendliness, and high security. However, insufficient energy density has become the bottleneck for practical applications, which is greatly influenced by their cathodes and makes the exploration of high-performance cathodes still a great challenge. This review underscores the recent advances in the rational design of advanced cathodes for AZIBs. The review starts with a brief summary and evaluation of cathode material systems, as well as the introduction of proposed storage mechani...

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“…with a tunnel or layered structure also present reversible zinc (de)intercalation. [42][43][44][45][46][47][48] The AV 3 O 8 .xH 2 O structure is usually built up with V 3 O 8 layers and hydrated alkali metal ions as pillars. The V 3 O 8 layer consists of edge-shared VO 6 octahedrons and VO 5 tetragonal pyramids ( Figure 4a).…”

Section: Vanadium-based Oxidesmentioning

confidence: 99%

“…d) Reproduced with permission. [47] Copyright 2020, Nature Publishing Group. The complex intercalation and conversion charge storage mechanisms were also revealed for MnO 2 cathode in mild aqueous Zn-MnO 2 batteries.…”

Section: Manganese Oxidesmentioning

confidence: 99%

Rechargeable Mild Aqueous Zinc Batteries for Grid Storage

Yan

Pan

2020

Adv Energy and Sustain Res

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Rechargeable mild aqueous zinc batteries have recently attracted tremendous interest for large‐scale grid storage due to their potentially highest energy density and safety, and lowest cost among available aqueous battery technologies. Herein, a variety of cathode materials, zinc anode structures, and electrolytes are briefly reviewed. A multi‐type of charge carriers such as Zn2+, H+, and anions can be reversibly stored in cathodes in rechargeable mild aqueous zinc batteries. The charge storage behavior in cathodes and strategies to address the reversibility and dendrite growth of zinc anodes are comprehensively summarized. Solutions to the remaining challenges such as long‐term stability and economy of cathodes and zinc anodes are discussed. This review also includes an analysis of mild aqueous zinc battery chemistry with reported cathode materials and anode materials. A perspective for the practical development of rechargeable mild aqueous zinc batteries regarding cathode design, zinc anode utilization, and cell configuration is also included to accelerate the commercialization of zinc batteries. In the future, rechargeable mild aqueous zinc batteries would be a visible energy storage solution for grid storage.

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A chemically self-charging aqueous zinc-ion battery

Cited by 294 publications

References 67 publications

A Review of the Use of GPEs in Zinc-Based Batteries. A Step Closer to Wearable Electronic Gadgets and Smart Textiles

A Review of the Use of GPEs in Zinc-Based Batteries. A Step Closer to Wearable Electronic Gadgets and Smart Textiles

Understanding the Design Principles of Advanced Aqueous Zinc‐Ion Battery Cathodes: From Transport Kinetics to Structural Engineering, and Future Perspectives

Rechargeable Mild Aqueous Zinc Batteries for Grid Storage

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