One-pot hydrothermal synthesis of hollow Fe3O4 microspheres assembled with nanoparticles for lithium-ion battery anodes

• Hollow Fe3O4 microspheres have been synthesized by one-pot hydrothermal method.
• The hollow Fe3O4 microspheres are assembled with nanoparticles.
• Hollow Fe3O4 microspheres exhibit good lithium storage properties.
• The good lithium storage properties are attributed to the special structural nature.

Hollow Fe3O4 microspheres assembled with nanoparticles were successfully synthesized without the addition of any templates or subsequent treatments. When used as the anode materials for lithium-ion battery (LIB), the products showed good lithium storage properties, demonstrating their promising applications for advanced LIB.

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