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Colloidal precipitates

Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...

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Updated: Jun 29, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

Nanophase-Separated Block Copolymer Layers Enabling Stable Zinc Metal Batteries.

Xin Yang¹, Uiseok Hwang², Zongfu An³

¹College of Materials Science and Engineering, Nanjing Tech University, Nanjing, 210009, China.

Small (Weinheim an Der Bergstrasse, Germany)

|September 23, 2024

Summary

Researchers developed a novel block copolymer layer to stabilize zinc metal anodes in aqueous zinc-ion batteries. This innovation addresses dendrite growth and side reactions, paving the way for safer, more practical energy storage solutions.

Keywords:

block copolymer engineering plastics long‐life cycling nanophase separation zinc dendrite

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Last Updated: Jun 29, 2026

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Zinc-Sponge Battery Electrodes that Suppress Dendrites

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Published on: September 29, 2020

Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Aqueous zinc-ion batteries offer a low-cost, safe alternative for energy storage.
Instability of zinc metal anodes, due to dendrites and side reactions, limits their practical use.

Purpose of the Study:

To develop a protective layer for zinc metal anodes to improve reversibility and interfacial stability.
To enable the practical application of zinc metal anodes in aqueous energy storage systems.

Main Methods:

Fabrication of a nanophase-separated block copolymer layer.
Characterization of the layer's hydrophobic and hydrophilic components.
Electrochemical testing of the modified zinc metal anode in an aqueous system.

Main Results:

The block copolymer layer demonstrated enhanced mechanical properties and chemical stability.
The hydrophilic block facilitated selective zinc ion permeation, improving interfacial stability.
The modified anode exhibited improved reversibility and suppressed parasitic reactions.

Conclusions:

The nanophase-separated block copolymer is a promising strategy for stabilizing zinc metal anodes.
This approach offers a feasible pathway for the commercialization of aqueous zinc-ion batteries.
The developed technology enhances the safety and efficiency of zinc-based energy storage.