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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...
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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Polyanionic Compounds for Potassium-Ion Batteries.

Tomooki Hosaka1, Tomoaki Shimamura1, Kei Kubota1,2

  • 1Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan.

Chemical Record (New York, N.Y.)
|November 1, 2018
PubMed
Summary
This summary is machine-generated.

Concerns over lithium and cobalt resources are driving research into abundant element batteries. Polyanionic compounds show promise for potassium-ion batteries, offering high operating potential for large-scale energy storage.

Keywords:
ElectrochemistryPolyanionic compoundPositive electrodePotassium battery

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Lithium-ion batteries dominate energy storage but face resource limitations for lithium and cobalt.
  • Growing demand for electronic devices, electric vehicles, and grid storage necessitates alternative battery chemistries.
  • Abundant element secondary batteries are crucial for sustainable energy solutions.

Purpose of the Study:

  • To review polyanionic compounds as promising cathode materials for potassium-ion batteries.
  • To address the need for sustainable and resource-abundant alternatives to current battery technologies.
  • To present new research findings and future perspectives on polyanionic compounds for potassium-ion energy storage.

Main Methods:

  • Comprehensive literature review of polyanionic compounds for battery applications.
  • Analysis of structural and electrochemical properties of selected polyanionic materials.
  • Experimental investigation and data presentation of novel polyanionic compounds (details not specified in abstract).

Main Results:

  • Polyanionic compounds are composed of abundant elements and exhibit potential for high operating voltages.
  • These materials offer a viable alternative to resource-constrained elements in battery cathodes.
  • New experimental results contribute to the understanding and development of these compounds.

Conclusions:

  • Polyanionic compounds are a key area for developing sustainable potassium-ion batteries.
  • Further research is needed to fully realize their potential for large-scale energy storage.
  • This review and new data provide a foundation for future advancements in the field.