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Related Concept Videos

Batteries and Fuel Cells03:12

Batteries and Fuel Cells

A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
Weak Acid Solutions04:02

Weak Acid Solutions

Few compounds act as strong acids. A far greater number of compounds behave as weak acids and only partially react with water, leaving a large majority of dissolved molecules in their original form and generating a relatively small amount of hydronium ions. Weak acids are commonly encountered in nature, being the substances partly responsible for the tangy taste of citrus fruits, the stinging sensation of insect bites, and the unpleasant smells associated with body odor. A familiar example of a...
Electrolysis03:00

Electrolysis

In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
Types of Reversible Electrodes01:24

Types of Reversible Electrodes

For electrode reversibility to be maintained, all the reactants and products involved in the half-reaction must be present at the electrode. There are several types of reversible electrodes (half-cells).In metal-metal-ion electrodes, a metal balances electrochemically with a solution of its own ions. Examples are Cu2+|Cu and Zn2+|Zn. Metals that react with the solvent, like group 1 and most group 2 metals, which react with water, and zinc, which reacts with aqueous acidic solutions, cannot be...
Theory of Strong Electrolytes01:23

Theory of Strong Electrolytes

The interionic forces of the strong electrolytes depend on the solvent's dielectric constant, which is the ability of a solvent to store electrical energy, based on its polarizability. and the solution's concentration. In high-dielectric solvents and in dilute solutions, weak electrostatic forces keep ions apart. However, in low-dielectric solvents or concentrated solutions, stronger interionic forces may cause ions to pair up as ionic doublets despite being fully ionized. The theory of strong...

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Updated: May 17, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

A High-Performance, Low-Cost and Recyclable Solid Electrolyte for Practical All-Solid-State Lithium-Based Batteries.

Yang Zhang1, Kai Wan2, Yan Huang1

  • 1College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, People's Republic of China.

Angewandte Chemie (International Ed. in English)
|May 15, 2026
PubMed
Summary
This summary is machine-generated.

We developed a novel polyoxometalate solid electrolyte (SE) for all-solid-state lithium metal batteries. This cost-effective SE offers high ionic conductivity and stability, paving the way for commercialization.

Keywords:
Keggin‐type anion frameworkLi4SiW12O40 solid electrolyteall‐solid‐state lithium metal batterieshigh‐performance and low‐cost

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
10:03

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

Area of Science:

  • Materials Science
  • Electrochemistry
  • Solid-State Chemistry

Background:

  • Commercialization of all-solid-state lithium metal batteries (ASSLMBs) is hindered by the lack of suitable solid electrolytes (SEs).
  • Existing SEs often fail to meet requirements for high ionic conductivity, processability, electrochemical stability, and cost-effectiveness.

Purpose of the Study:

  • To introduce a novel polyoxometalate-based SE, Li4SiW12O40 (LSWO), for ASSLMBs.
  • To evaluate the performance, stability, and cost-effectiveness of LSWO as a solid electrolyte.

Main Methods:

  • Synthesis and characterization of LSWO with a Keggin-type anion framework.
  • Fabrication and testing of Li/LSWO/Li symmetric cells and ASSLMBs.
  • Techno-economic analysis of LSWO compared to other SEs.

Main Results:

  • LSWO exhibits high room-temperature ionic conductivity (6.19 × 10^-4 S cm^-1) due to its 3D ion migration network.
  • The SE demonstrates excellent compressibility (90.3% relative density) and forms a stable interface with Li metal.
  • Li/LSWO/Li symmetric cells show a critical current density of 4.2 mA cm^-2 and over 2400 h cycling stability.
  • ASSLMBs using LSWO achieve high capacity retention (93.3% in coin cells, 88.2% in pouch cells) after extensive cycling.
  • Techno-economic analysis confirms LSWO's significant cost-effectiveness.

Conclusions:

  • LSWO is a high-performance, cost-effective solid electrolyte.
  • Its unique properties address key challenges in ASSLMB development.
  • LSWO shows great promise for enabling the commercialization of ASSLMBs.