Intercalation of Zinc Monochloride Cations by Deep Eutectic Solvents for High-Performance Rechargeable Non-aqueous Zinc Ion Batteries

Wu, Shu-Chi; Tsa, Meng-Che; Liao, Hsiang-Ju; Su, Teng‐Yu; Tang, Shin-Yi; Chen, Chia-Wei; Lo, Heng-An; Yang, Tzu‐Yi; Wang, Kuangye; Ai, Yuanfei; Lee, Ling; Lee, Jyh‐Fu; Lin, Chih‐Yuan; Hwang, Bing‐Joe; Chueh, Yu‐Lun

doi:10.1021/acsami.1c19453

Cited by 28 publications

(15 citation statements)

References 35 publications

(58 reference statements)

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“…[ 40 ] In addition, eutectic electrolytes without water contents possibly prevent problems caused by Zn dendrite growth and side reactions. [ 86 ] Analogous, some research related to Zn anodes protection and modification promotes the nonaqueous eutectic electrolytes for ZIBs, [ 44,87 ] Zn–S batteries, [ 65 ] Zn–I 2 batteries, [ 88 ] and Zn–Fe flow batteries. [ 8b ]…”

Section: Eutectic Electrolytes For Diverse Rzb Applicationsmentioning

confidence: 99%

Eutectic Electrolytes Chemistry for Rechargeable Zn Batteries

Hansen

et al. 2022

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Rechargeable zinc batteries (RZBs) have proved to be promising candidates as an alternative to lithium‐ion batteries due to their low cost, inherent safety, and environmentally benign features. While designing cost‐effective electrolyte systems with excellent compatibility with electrode materials, high energy/power density as well as long life‐span challenge their further application as grid‐scale energy storage devices. Eutectic electrolytes as a novel class of electrolytes have been extensively reported and explored taking advantage of their feasible preparation and high tunability. Recently, some perspectives have summarized the development and application of eutectic electrolytes in metal‐based batteries, but their infancy requires further attention and discussion. This review systematically presents the fundamentals and definitions of eutectic electrolytes. Besides, a specific classification of eutectic electrolytes and their recent progress and performance on RZB fields are introduced as well. Significantly, the impacts of various composing eutectic systems are disserted for critical RZB chemistries including attractive features at electrolyte/electrode interfaces and ions/charges transport kinetics. The remaining challenges and proposed perspectives are ultimately induced, which deliver opportunities and offer practical guidance for the novel design of advanced eutectic electrolytes for superior RZB scenarios.

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Section: Eutectic Electrolytes For Diverse Rzb Applicationsmentioning

confidence: 99%

Eutectic Electrolytes Chemistry for Rechargeable Zn Batteries

Hansen

et al. 2022

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“…Among battery applications, DESs have been reported as novel electrolytes for rechargeable Zinc-ion batteries (ZIBs) [ 13 , 14 , 15 , 16 , 17 ]. ZIBs typically feature neutral or weakly acidic aqueous electrolytes and exhibit the typical drawbacks of Zn anodes: passivation and dendrite formation.…”

Section: Introductionmentioning

confidence: 99%

Zinc Electrode Cycling in Deep Eutectic Solvent Electrolytes: An Electrochemical Study

et al. 2023

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Among post-lithium ion battery technologies, rechargeable chemistries with Zn anodes bear notable technological promise owing to their high theoretical energy density, lower manufacturing cost, availability of raw materials and inherent safety. However, Zn anodes, when employed in aqueous electrolytes, suffer from hydrogen evolution, passivation, and shape changes. Alternative electrolytes can help tackle these issues, preserving the green and safe characteristics of aqueous-based ones. Deep eutectic solvents (DESs) are promising green and low-cost non-aqueous solvents for battery electrolytes. Specifically, the cycling of Zn anodes in DESs is expected to be reversible, chiefly owing to their dendrite-suppression capability. Nevertheless, apart from a few studies on Zn plating, insight into the cathodic–anodic electrochemistry of Zn in DESs is still very limited. In view of developing DES-based battery electrolytes, it is crucial to consider that a potential drawback might be their low ionic conductivity. Water molecules can be added to the eutectic mixtures by up to 40% to increase the diffusion coefficient of the electroactive species and lower the electrolyte viscosity without destroying the eutectic nature. In this study, we address the electrochemistry of Zn in two different hydrated DESs (ChU and ChEG with ~30% H2O). Fundamental electrokinetic and electrocrystallization studies based on cyclic voltammetry and chronoamperometry at different cathodic substrates are completed with a galvanostatic cycling test of Zn|Zn symmetric CR2032 coin cells, SEM imaging of electrodes and in situ SERS spectroscopy. This investigation concludes with the proposal of a specific DES/H2O/ZnSO4-based electrolyte that exhibits optimal functional performance, rationalized on the basis of fundamental electrochemical data, morphology evaluation and modeling of the cycling response.

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“…Zn-ion batteries (ZIBs) are considered as promising energy storage devices due to many advantages, such as the high theoretical capacity (825 mAh g –1 and 5854 mAh cm –3 ) and low cost of metallic Zn anode and the high security of ZIBs. − At present, most reported ZIBs are based on self-designed cathodes and metallic Zn anodes. − The insufficient utilization (<5%) of the Zn anode cannot reflect the real capacities of ZIBs in practical application. , But the low Coulombic efficiency of Zn stripping/plating leads to the necessity of excess Zn for long cyclic life, which distinctly reduces the total energy density of ZIBs. − Meanwhile, the employment of Zn anode is hindered by Zn dendrites, dead Zn, byproduct formation, and unceasing water consumption. , …”

Section: Introductionmentioning

confidence: 99%

BiOI Nanopaper As a High-Capacity, Long-Life and Insertion-Type Anode for a Flexible Quasi-Solid-State Zn-Ion Battery

Zhang

Duan

Xiao

et al. 2022

ACS Appl. Mater. Interfaces

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The development of intercalation anodes with high capacity is key to promote the progress of "rocking-chair" Zn-ion batteries (ZIBs). Here, layered BiOI is considered as a promising electrode in ZIBs due to its large interlayer distance (0.976 nm) and low Zn 2+ diffusion barrier (0.57 eV) obtained by density functional theory, and a free-standing BiOI nanopaper is designed. The process and mechanism of Zn(H 2 O) n 2+ insertion in BiOI are proved by ex situ X-ray diffraction, Raman, and X-ray photoelectron spectroscopy. The suitable potential (0.6 V vs Zn/Zn 2+ ), high reversible capacity (253 mAh g −1 ), good rate performance (171 mAh g −1 at 10 A g −1 ), long cyclic life (113 mAh g −1 after 5000 cycles at 5 A g −1 ), and dendrite-free operation of BiOI nanopaper prove its potential as a superior anode. When it is coupled with Mn 3 O 4 cathode, the quasi-solid-state battery exhibits a high initial capacity of 149 mAh g −1 (for anode) and a good capacity retention of 70 mAh g −1 after 400 cycles. The self-assembled flexible battery also shows stable charge−discharge during the cyclic test. This work shows the feasibility of BiOX anode for dendrite-free ZIBs.

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Intercalation of Zinc Monochloride Cations by Deep Eutectic Solvents for High-Performance Rechargeable Non-aqueous Zinc Ion Batteries

Cited by 28 publications

References 35 publications

Eutectic Electrolytes Chemistry for Rechargeable Zn Batteries

Eutectic Electrolytes Chemistry for Rechargeable Zn Batteries

Zinc Electrode Cycling in Deep Eutectic Solvent Electrolytes: An Electrochemical Study

BiOI Nanopaper As a High-Capacity, Long-Life and Insertion-Type Anode for a Flexible Quasi-Solid-State Zn-Ion Battery

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