Lithium battery with silicon-based anode and silicate-based cathode

摘要

A lithium-ion battery is provided and related methods. The lithium-ion battery includes an electrode comprising an Olivine flake-like structure and an electrode comprising a plurality of coated carbon nanofibers. The Olivine flake-like structures form clusters through which the lithium ions are transported while reducing initial cycle irreversibility. The electrode comprising the coated carbon nanofibers additionally reduce initial cycle irreversibility by controlling expansion of the substrate forming the electrode comprising the coated carbon nanofibers.

主权项

1. A lithium-ion battery comprising:
a lithium silicate-based electrode comprising flake-shaped Olivine silicate structures; a separator containing electrolyte and separating said lithium silicate-based electrode and a carbon fiber-based electrode; and the carbon fiber-based electrode comprising a plurality of carbon nanofiber cores each having a silicon layer coated with a protective layer that protects the silicon layer and carbon nanofiber cores from contact with the electrolyte.