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Batteries and Fuel Cells

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...

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Updated: May 13, 2025

Identification and Quantification of Decomposition Mechanisms in Lithium-Ion Batteries; Input to Heat Flow Simulation for Modeling Thermal Runaway

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Lithium-Ion Battery Recycling: Defect-Driven High-Performance Regeneration.

Hai Lei¹, Zihao Zeng¹, Chao Zhu¹

¹School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China.

|April 14, 2025

Summary

Recycling spent lithium-ion batteries (LIBs) using defect engineering upcycles degraded materials into high-performance regenerated batteries. This sustainable method enhances electrochemical stability and reduces greenhouse gas emissions for closed-loop energy storage.

Keywords:

LiCoO2 defects lithium‐ion batteries recycling vacancies

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Last Updated: May 13, 2025

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Construction and Testing of Coin Cells of Lithium Ion Batteries

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Area of Science:

Materials Science
Electrochemistry
Sustainable Engineering

Background:

Spent lithium-ion batteries (LIBs) pose significant economic and environmental challenges due to continuous accumulation.
Current recycling methods often lack efficiency and sustainability for large-scale application.

Purpose of the Study:

To explore direct recycling of spent LIBs via defect engineering for sustainable upcycling.
To investigate the repurposing of structural defects in degraded battery materials for performance enhancement.

Main Methods:

Utilizing intrinsic material defects, such as lithium and oxygen vacancies, in spent LIB cathodes and anodes.
Employing dopants like Mg/Al and F to leverage these vacancies for material modification.

Main Results:

Defect engineering enables efficient dopant diffusion, enhancing electrochemical stability and high-voltage capabilities of regenerated batteries.
The direct recycling approach significantly reduces greenhouse gas emissions compared to conventional recycling methods.

Conclusions:

Defect engineering presents a viable and sustainable strategy for upcycling spent LIBs.
This method offers valuable insights for developing large-scale LIB upcycling processes and closed-loop energy storage systems.