NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND BATTERY

DE102025149398A1Undetermined Publication Date: 2026-07-23TOYOTA JIDOSHA KK
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
TOYOTA JIDOSHA KK
Filing Date
2025-11-27
Publication Date
2026-07-23

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Abstract

The present disclosure provides a negative electrode active material layer that can increase the initial charge-discharge efficiency of a battery, and a battery comprising the negative electrode active material layer. The negative electrode active material layer 120 of the disclosure comprises negative electrode active material composite particles 10 and a particle binder 20 that binds the negative electrode active material composite particles together. The negative electrode active material composite particles of the disclosure comprise a carbon material 11 and a tin alloy 12 located within the carbon material, and have pores 14. The battery 100 of the disclosure has a negative electrode active material layer 120 of the disclosure.
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Citation Information

Patent Citations

  • Negative electrode and battery, and manufacturing method of these

    JP2004146253A

  • Negative electrode material, process for producing the same and cell

    WO2004100291A1

  • JP002004146253A