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Related Concept Videos

Standard Electrode Potentials03:02

Standard Electrode Potentials

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...
Electrodeposition01:08

Electrodeposition

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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Updated: Jun 28, 2026

Fabrication of VB2/Air Cells for Electrochemical Testing
09:04

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Published on: August 5, 2013

Unlocking Anode-Free Zinc Metal Batteries via Data-Science-Guided Dual-Interphase Separator Engineering.

Lingbo Yao1,2, Zeyu Wei1,2, Tianshi Zhao1,2

  • 1Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.

Angewandte Chemie (International Ed. in English)
|June 26, 2026
PubMed
Summary
This summary is machine-generated.

Anode-free aqueous zinc batteries achieve high energy density using a novel dual-interphase separator. This breakthrough enhances stability and cycle life for next-generation energy storage solutions.

Keywords:
anode‐free configurationaqueous zinc metal batteriesclustering analysisdual‐interphase engineering

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Aqueous zinc metal batteries (AZMBs) offer high energy density but suffer from interfacial issues.
  • Anode-free designs in AZMBs are limited by side reactions and cross-talk, reducing performance.
  • Current strategies addressing single interfaces are insufficient for systemic problems.

Purpose of the Study:

  • To overcome interfacial limitations in anode-free AZMBs.
  • To develop a data-driven strategy for creating advanced battery materials.
  • To enhance energy density and cycle life through novel interface engineering.

Main Methods:

  • Literature data mining and molecular descriptor screening for material system creation.
  • Development of an asymmetric dual-interphase separator with Zn2+-supplying interphase (ZSI) and composite conductive interphase (CCI).
  • Construction and testing of anode-free Zn||MnO2 and Zn||I2 full cells.

Main Results:

  • The dual-interphase separator effectively suppresses side reactions and cross-talk.
  • Anode-free Zn||MnO2 cells demonstrated 90% voltage efficiency and over 1000 cycles.
  • Anode-free Zn||I2 batteries achieved over 90% energy efficiency at high areal loading.
  • A universal descriptor (ZMAEID) was proposed linking interfacial behavior and mechanical stability.

Conclusions:

  • The asymmetric dual-interphase engineering provides a systematic solution for anode-free AZMBs.
  • This data-driven, theory-guided approach establishes a new paradigm for advanced AZMB development.
  • The developed strategy significantly improves energy density and cycle life for aqueous zinc batteries.