2024
DOI: 10.1038/s41598-024-53895-3
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Battery deactivation with redox shuttles for safe and efficient recycling

Riho Mikita,
Akitoshi Suzumura,
Hiroki Kondo

Abstract: To safely recycle spent lithium-ion batteries (LIBs), their deactivation as a pretreatment is essential. However, the conventional deactivation methods, mainly inducing an external short circuit, cannot be applied to LIBs with disconnected electrical circuits or Li deposited, despite their safety risk. Here, we propose a deactivation method using redox shuttles (RSs). The addition of an RS with redox potentials located between the two electrode potentials into a LIB electrochemically induces an internal short … Show more

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