Phase-transition tailored nanoporous zinc metal electrodes for ...
Here, the authors report a nanoporous Zn electrode that stabilizes the …
Here, the authors report a nanoporous Zn electrode that stabilizes the …
Secondary alkaline Zn-based batteries are limited in terms of cycle life. Here, the authors report a nanoporous Zn electrode that stabilizes the electrochemical transition between Zn and ZnO and improves the cycling performance of rechargeable alkaline zinc-based batteries.
These properties make them ideal for use as ZIB anodes with high speed performance and ruggedness . In summary, it is evident that the design of the zinc negative electrode can be improved through structural modifications, coatings, and electrolytes to mitigate issues such as zinc dendrites, passivation, and self-precipitation of hydrogen.
Zinc–nickel battery with ZnO@ZnS 350 electrode exhibits good cycling stability and shows a higher and stable coulombic efficiency during the cycling test than the battery with ZnO electrode (Fig. S12), illustrating the enhanced reversibility of ZnO@ZnS 350 electrode.
Research on improving battery performance by modifying the zinc electrode can be based on three major directions: Improving the structure of the zinc electrode by using functional materials or materials with porous or layered structures; adding additives to the electrolyte to optimize the structure or morphology of the electrode; and zinc alloying.
However, studies on the electrode/electrolyte interface of aqueous zinc-ion battery systems have primarily focused on the surface of the zinc anode. This has been achieved through the construction of SEIs or the design of interfacial membranes with a uniform electric field and induced deposition to stabilize the zinc anode.
Zinc–nickel batteries are identified as one of the ideal next-generation energy storage technologies because of the advantages of high safety, low cost, and excellent rate performance. However, the limited reversibility of zinc electrode caused by dendrites growth, shape change and side reactions results in poor shelf life and cycling life.
Here, the authors report a nanoporous Zn electrode that stabilizes the …
In terms of ZABs, this review will discuss three major types of electrocatalysts, including noble metals, heteroatom-doped carbons and transition metal oxides/sulphides/phosphides/nitrides.
Jin''s group proposed to assemble aqueous zinc-ion batteries using …
Although the electrode performance of the P2-type phases as positive electrode materials for Na batteries was examined in the 1980s, P2-Na x MeO 2 materials also have been extensively studied as precursors for the synthesis of metastable O2-Li x MeO 2 by Na + /Li + ion-exchange as positive electrode materials in lithium batteries in some early …
Supercapacitors and batteries are among the most promising electrochemical energy storage technologies available today. Indeed, high demands in energy storage devices require cost-effective fabrication and robust electroactive materials. In this review, we summarized recent progress and challenges made in the development of mostly nanostructured materials as well …
The research status of positive electrode materials, such as MnO 2, VO 2, …
In this study, we established a comprehensive two-dimensional model for single-flow zinc–nickel redox batteries to investigate electrode reactions, current-potential behaviors, and concentration distributions, leveraging theories such as Nernst–Planck and Butler–Volmer.
Zinc–nickel battery with ZnO@ZnS 350 electrode exhibits good cycling stability and shows a higher and stable coulombic efficiency during the cycling test than the battery with ZnO electrode (Fig. S12), illustrating the enhanced reversibility of ZnO@ZnS 350 electrode.
Aqueous zinc–based alkaline batteries (zinc anode versus a silver oxide, …
Aqueous zinc–based alkaline batteries (zinc anode versus a silver oxide, nickel hydroxide or air cathode) are regarded as promising alternatives for lead-acid batteries for the next generation chemical power sources since zinc are available in the global scope with advantages of eco-friendly, high specific capacity and low cost [[13], [14 ...
In modern lithium-ion battery technology, the positive electrode material is the key part to determine the battery cost and energy density [5].The most widely used positive electrode materials in current industries are lithiated iron phosphate LiFePO 4 (LFP), lithiated manganese oxide LiMn 2 O 4 (LMO), lithiated cobalt oxide LiCoO 2 (LCO), lithiated mixed …
In this Review, we present the challenges and recent developments related to rechargeable ZIB research. Recent research trends and directions on electrode materials that can store Zn 2+ and electrolytes that can improve the battery performance are comprehensively discussed. To access this article, please review the available access options below.
Effects of MnO 2 electrodeposition on α, β, γ, and δ-MnO 2 polymorphs from aqueous zinc sulfate solution with manganese sulfate additive (zinc-ion battery (ZIB) electrolyte) have been examined by cyclic voltammetry, electrochemical impedance spectroscopy, X-ray diffraction, and scanning electron microscopy.
Jin''s group proposed to assemble aqueous zinc-ion batteries using cyclodextrin-based volumetric effect electrolyte and organic conjugated sulfonamide cathode material at the same time, which significantly improved the operating voltage, cycle stability, and operating temperature range of AZIBs .
The nickel–cadmium battery is one of the families of nickel batteries that include nickel–metal hydride, nickel–iron and nickel–zinc batteries. There is also a nickel hydrogen battery in which one cell reactant is gaseous hydrogen. All have a nickel electrode coated with a reactive and spongy nickel hydroxide, while the cell electrolyte is almost always potassium hydroxide. Cell ...
In this work, zinc was introduced to prepare Ni 1−x Zn x MoO 4 (0 ≤ x ≤ 1) nanoflake electrodes to increase the energy density and improve the cycling stability for a wider range of applications of aqueous rechargeable nickel–zinc (NiZn) batteries. This was achieved using a facile hydrothermal method followed by thermal annealing, which ...
The formation of negative zinc dendrite and the deformation of zinc electrode are the important factors affecting nickel–zinc battery life. In this study, three-dimensional (3D) network carbon felt via microwave oxidation was used as ZnO support and filled with 30% H2O2-oxidised activated carbon to improve the performance of the battery. The energy density and …
Since the reaction of zinc metal with alkaline solutions inevitably leads to the formation of ZnO and results in passivation, researchers have begun to look for alternative materials to zinc metal for the negative electrode of zinc–air batteries [92]. Currently, the main types of materials include calcium zincate, ZnO, and zinc alloys. For example, Min et al. …
The over-potential of the positive electrode polarization is less than 2.97% with different materials under the right working conditions. The local current density of the positive electrode is basically the same, so the use of two kinds of materials has little effect on the positive electrode. The following focuses on the different negative ...
In this Review, we present the challenges and recent developments related to rechargeable ZIB research. Recent research trends and directions on electrode materials that can store Zn 2+ and electrolytes that can …
Effects of MnO 2 electrodeposition on α, β, γ, and δ-MnO 2 polymorphs from …
Here, the authors report a nanoporous Zn electrode that stabilizes the electrochemical transition between Zn and ZnO and improves the cycling performance of rechargeable alkaline zinc-based...
''A Review of Positive Electrode Materials for Lithium-Ion Batteries'' published in ''Lithium-Ion Batteries'' ... the zinc ion or the iron ion substitutes for the 8a site according to the synthesis condition, and a random spinel in which the heavy …
A zinc anode suffers from poor reversibility. Among the materials designed to improve the reversibility, calcium zincate has electrochemical properties that make it suitable as a negative electrode material for alkaline secondary batteries. Nevertheless, there are few precedents for using it in zinc–air secondary batteries. In this study, calcium zincate was …
In this study, we established a comprehensive two-dimensional model for single-flow zinc–nickel redox batteries to investigate electrode reactions, current-potential behaviors, and concentration distributions, …
In terms of ZABs, this review will discuss three major types of electrocatalysts, including noble metals, heteroatom-doped carbons and transition metal oxides/sulphides/phosphides/nitrides.
The research status of positive electrode materials, such as MnO 2, VO 2, and V 2 O 5, is briefly summarized, and relevant modification studies are listed. Methods for improving zinc negative electrodes are proposed, addressing issues such as zinc dendrites, corrosion, hydrogen precipitation, and passivation. The article discusses the ...
In this work, zinc was introduced to prepare Ni 1−x Zn x MoO 4 (0 ≤ x ≤ 1) …
Aqueous zinc-ion batteries (AZIBs) are one of the most compelling alternatives of lithium-ion batteries due to their inherent safety and economics viability. In response to the growing demand for green and sustainable energy storage solutions, organic electrodes with the scalability from inexpensive starting materials and potential for biodegradation after use have …
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