Chaotropic Electrolyte Enabling Wide-Temperature Metal-Free Battery

Zhang, You; Ying, Shengzhe; Ding, Zhezheng; Wei, Chuanlong; Wang, Qing; Zhou, Chengwang; Zhou, Guohui; Tang, Xiao; Liu, Xiaomin

doi:10.1021/acsnano.3c06948

Cited by 12 publications

(2 citation statements)

References 52 publications

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“…The cell exhibited a wide voltage window and high energy density. Zhang et al 169 constructed an aqueous ammonium-iodine batteries (AIBs) by using a 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA) anode and an iodine complex (I 2 @CC) cathode. The aqueous AIBs assembled by anodic NH 4 + regulation and cathodic I + /I 0 redox reactions can provide excellent electrochemical performance at both room temperature and low temperatures (−20 °C).…”

Section: Other Batteriesmentioning

confidence: 99%

Covalent organic frameworks and their composites for rechargeable batteries

Xu,

Gong,

et al. 2024

Nanoscale

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Section: Other Batteriesmentioning

confidence: 99%

Covalent organic frameworks and their composites for rechargeable batteries

Xu,

Gong,

et al. 2024

Nanoscale

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“…Compared to the bulk phase, research on the gas–liquid interface of ILs represents only a small fraction. However, it plays a crucial role in numerous applications, including phase catalysis, − gas sensors, gas separation, nanoparticle synthesis, and metal film preparation. Therefore, understanding the structure and properties of ILs at the gas–liquid interface is crucial.…”

Section: Introductionmentioning

confidence: 99%

Insight into the Inflection Point of Surface Tension in Aqueous Solution of Imidazolium-Based Ionic Liquids

Shan,

Zhou,

Sun

et al. 2024

J. Chem. Eng. Data

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An in-depth understanding of the interfacial structure is important to broadening the range of applications for ionic liquids (ILs). Interfacial properties of ILs depend on their intrinsic microstructure and interactions. The detailed structures at the interface can be obtained by molecular dynamics simulations at atomic levels. However, there are no clear conclusions about the liquid film thickness selection when modeling the liquid film systems. In this work, three aqueous solution systems with different liquid film thicknesses were investigated, and the relationship between the surface tension and water content was calculated and analyzed. The results indicate that a thicker liquid film leads to better agreement between the two relationships and the experimental data. Then, the thickest liquid film system was selected from the three different liquid film thicknesses. The bulk phase and interface of the IL aqueous system were treated separately. It is found that the IL content of the bulk phase was correlated with the surface tension. The results were more compatible with the experimental values. In addition, the work analyzed the atomic number density distribution and the angular distribution of alkyl chains in eight systems with varying concentrations. The concept of surface coverage of aqueous ILs was proposed and calculated with different concentrations. This helped to explain the reason for the inflection point in surface tension at low concentrations.

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High‐Energy Aqueous S‐MnO₂ Batteries with Redox Charge Carriers

Yang,

Bi,

Wang

et al. 2024

Angewandte Chemie

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The energy densities of conventional aqueous batteries are often unsatisfactory due to the limited capacities of electrode materials.Therefore, the design of creative aqueous batteries has to be considered. Herein, aqueous S‐MnO2 batteries are constructed by matching S/Cu2S redox couples and MnO2 deposition/dissolution. In such batteries, S/Cu2S redox couples undergo the solid‐solid conversion reaction with four‐electron transfer, ensuring a high specific capacity of 2220 mAh g‐1 in S anodes.Furthermore, the conversion reaction of S/Cu2S redox couples can take place stably in acidic electrolyte that is essential for the MnO2 deposition/dissolution. As a result, the S/Cu2S redox couples can match MnO2 deposition/dissolution well, which endow the batteries with a membrane‐free configuration. As a proof of concept, Ah‐level prismatic and single‐flow batteries were assembled and could operate stably for over 1000 h, demonstrating their great potential for large‐scale energy storage. This work broadens the horizons of aqueous batteries beyond metal‐manganese chemistry.

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Chaotropic Electrolyte Enabling Wide-Temperature Metal-Free Battery

Cited by 12 publications

References 52 publications

Covalent organic frameworks and their composites for rechargeable batteries

Covalent organic frameworks and their composites for rechargeable batteries

Insight into the Inflection Point of Surface Tension in Aqueous Solution of Imidazolium-Based Ionic Liquids

High‐Energy Aqueous S‐MnO₂ Batteries with Redox Charge Carriers

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Chaotropic Electrolyte Enabling Wide-Temperature Metal-Free Battery

Cited by 12 publications

References 52 publications

Covalent organic frameworks and their composites for rechargeable batteries

Covalent organic frameworks and their composites for rechargeable batteries

Insight into the Inflection Point of Surface Tension in Aqueous Solution of Imidazolium-Based Ionic Liquids

High‐Energy Aqueous S‐MnO2 Batteries with Redox Charge Carriers

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Product

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High‐Energy Aqueous S‐MnO₂ Batteries with Redox Charge Carriers