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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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In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries
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Foldable batteries: from materials to devices.

Insu Jeong1, Dong-Yeob Han1, Jongha Hwang2

  • 1Department of Chemistry, Pohang University of Science and Technology Pohang 37673 South Korea soojin.park@postech.ac.kr.

Nanoscale Advances
|September 22, 2022
PubMed
Summary
This summary is machine-generated.

Developing high-performance, safe foldable batteries is crucial for fully realizing wearable electronics. This review explores materials, system designs, and evaluation methods for advanced foldable battery technology.

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Energy Storage

Background:

  • Wearable electronics require flexible and deformable power sources, particularly foldable batteries, to complement existing foldable devices like smartphones and TVs.
  • Current rigid batteries limit the full potential of advanced human-integrated systems and dynamic deformation applications.
  • The development of high-performance and safe foldable batteries is essential for next-generation wearable technology.

Purpose of the Study:

  • To review recent advancements in materials and system designs for foldable batteries.
  • To provide researchers with guidance on selecting suitable materials and evaluating battery performance.
  • To discuss challenges and future directions in the practical application of foldable batteries.

Main Methods:

  • Comprehensive literature review of materials and system designs for foldable batteries.
  • Analysis of material properties relevant to mechanical deformability and electrochemical performance.
  • Discussion of electrochemical and mechanical property analysis techniques for foldable systems.

Main Results:

  • Identification of key material categories and system design strategies for successful foldable batteries.
  • Overview of innovative material-device combinations enabling high performance and safety during deformation.
  • Presentation of a framework for evaluating the electrochemical and mechanical characteristics of foldable batteries.

Conclusions:

  • Significant progress has been made in foldable battery technology, driven by material innovation and system design.
  • Standardized evaluation methods are needed to assess the performance and safety of foldable batteries.
  • Further research is required to overcome challenges for the widespread commercialization of foldable batteries.