A high-capacity polyaniline-intercalated layered vanadium oxide for aqueous ammonium-ion batteries

Article Chemistry, Multidisciplinary

Boosting Zn2+ and NH4+ Storage in Aqueous Media via In-Situ Electrochemical Induced VS2/VOx Heterostructures

Dongxu Yu et al.

Summary: This study demonstrates the excellent electrochemical performance of heterostructural VS2/VOx material in aqueous ion batteries, including enhanced working potential, superior rate capability, and long-term stability.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Non-Metal Ion Co-Insertion Chemistry in Aqueous Zn/MnO2 Batteries

Shuai Wang et al.

Summary: The co-insertion of dual ions in aqueous zinc batteries, such as H+/NH4+ in Zn/MnO2 battery, enhances electrochemical performance by providing fast kinetics of ion diffusion and reversible structure evolution, leading to excellent rate capability and cycling performance. This work may facilitate the design of aqueous rechargeable batteries with non-metallic ions.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Ammonium-Ion Storage Using Electrodeposited Manganese Oxides

Yu Song et al.

Summary: This study investigates NH4+-storage chemistry using electrodeposited manganese oxide (MnOx) for the first time, and reveals the significant role of NH4Ac concentration in NH4+ storage for MnOx. The transformed MnOx with a layered structure shows high specific capacity and good cycling stability in NH4Ac, outperforming current NH4+ hosting materials. These findings highlight the potential of layered MnOx as a new prototype for NH4+-based energy storage and contribute to a deeper understanding of the NH4+-storage mechanism in metal oxides.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Electrochemistry

Reinforced potassium and ammonium storage of the polyimide anode in acetate-based water-in-salt electrolytes

Shen Qiu et al.

Summary: Polyimide material as an anode in water-in-salt electrolytes shows high capacity, high rate capability, and excellent cycling for K+ and NH4+ storage, surpassing performance in conventional diluted electrolytes.

ELECTROCHEMISTRY COMMUNICATIONS (2021)

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Article Engineering, Environmental

Hydrogen bond chemistry in Fe4[Fe(CN)6]3 host for aqueous NH4+ batteries

Maoting Xia et al.

Summary: This article systematically analyzes the electrochemical intercalation of NH4+ into Fe4[Fe(CN)6]3 in aqueous NH4+ batteries, proposing a novel intercalation mechanism. The density functional theory (DFT) calculations and other testing methods reveal the formation of hydrogen bonds and strong covalent bonds between NH4+ and Fe4[Fe(CN)6]3. Lastly, the assembly of a low-cost rocking-chair aqueous NH4+ full cell demonstrates durable cycling stability, showcasing its potential for sustainable battery applications.

CHEMICAL ENGINEERING JOURNAL (2021)

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Review Chemistry, Physical

Achieving better aqueous rechargeable zinc ion batteries with heterostructure electrodes

Buke Wu et al.

Summary: This review introduces the method of using heterostructure electrode design to improve the electrochemical performance of aqueous rechargeable zinc ion batteries and analyzes the synergistic effect between active materials and functional materials in depth. Specific modification methods include interface modification and structure optimization, laying the foundation for the future development and application of ARZIBs.

NANO RESEARCH (2021)

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Article Chemistry, Inorganic & Nuclear

Common ion effect enhanced Prussian blue analogues for aqueous ammonium ion storage

Siyun Li et al.

Summary: Aqueous NH4+ batteries are gaining attention as a promising alternative for energy storage in the power grid due to their environmental significance, abundant resources, and fast diffusion ability. FeFe(CN)(6) (FeHCF) is synthesized as a cathode material and Fe-2(SO4)(3) is used as a functional additive to enhance its performance. The results show that FeHCF exhibits high initial capacity, coulombic efficiency, cycling stability, and retention rate, making it a feasible option for application in the power grid.

DALTON TRANSACTIONS (2021)

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Article Chemistry, Multidisciplinary