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Related Concept Videos

Electrodeposition01:08

Electrodeposition

669
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
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Standard Electrode Potentials03:02

Standard Electrode Potentials

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On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
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Formation of Complex Ions03:45

Formation of Complex Ions

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A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
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Updated: Jul 19, 2025

Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods
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Interphase Modulated Early-Stage Zn Electrodeposition Mechanism.

Jin Zhao1, Zhizhen Lv1, Shijie Wang2

  • 1College of Energy, Soochow Institute for Energy and Materials Innovations (SIEMIS), Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University, Suzhou, 215123, P. R. China.

Small Methods
|August 11, 2023
PubMed
Summary

Investigating zinc plating kinetics in zinc-ion batteries reveals how the anode-electrolyte interphase influences dendrite formation. A solid-electrolyte interphase (SEI) layer can suppress dendrites by guiding zinc flake alignment.

Keywords:
Zn anodeselectrodepositionorientation regulationscanning electrochemical microscopysolid-electrolyte interphase

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Energy Storage

Background:

  • Understanding zinc electrodeposition is critical for addressing dendritic growth issues in zinc-ion batteries.
  • The kinetics of early-stage zinc plating and its dependency on anode-electrolyte interphase reactivity are key research areas.

Purpose of the Study:

  • To quantify the kinetic evolution of zinc plating on different substrates.
  • To investigate the in situ regulation of zinc deposit orientation and competitive reactions by the interphase.
  • To explore the role of the solid-electrolyte interphase (SEI) in suppressing dendrite growth.

Main Methods:

  • Quantification of zinc plating kinetics on fresh Zn, commercial Zn foil, and Zn foil with a spontaneously generated SEI.
  • In situ analysis using scanning electrochemical microscopy (SECM) to study interphase regulation and competitive reactions.

Main Results:

  • The study quantified the kinetic evolution of Zn plating on three distinct substrates.
  • In situ SECM revealed that the SEI layer regulates Zn deposit orientation and influences competitive reactions between Zn deposition and passivation.
  • The SEI layer was shown to suppress initial dendrite growth by promoting horizontal alignment of Zn flakes.

Conclusions:

  • The solid-electrolyte interphase (SEI) plays a crucial role in controlling zinc electrodeposition kinetics and morphology.
  • SEI layer engineering can suppress dendrite formation by guiding zinc deposition, enhancing battery safety and performance.
  • This work offers a viable strategy for interphase engineering in various metal anodes for improved energy storage.