Electrolyte Formulations

摘要

An electrolyte formulation including additive compounds to improve the mechanical stability of the solid-electrolyte interface (SEI) on a silicon anode in a lithium ion battery as compared to a conventional electrolyte formulation. Some electrolyte solutions are formulated to contain no ethylene carbonate.

主权项

1. A battery comprising:
a first electrode, a second electrode comprising silicon, and an electrolyte solution formulated from a lithium salt, an organic solvent, and an additive, wherein the additive comprises lithium nitrate at a concentration exceeding the solubility limit for the organic solvent.