Uniform Lithium ion flux and robust interphase enabled by anion anchoring additive for high energy density Si-based anodes

Key Points

• The study aims to enhance the performance of silicon/graphite composite anodes in lithium-ion batteries by addressing interface and ionic transport issues.
• Utilized anion anchoring additives to improve interphase stability.
• Conducted experiments to assess ionic transport uniformity.
• Compared outcomes to standard silicon/graphite anodes.
• Improved uniformity of lithium ion flux observed across the anodes.
• Enhanced interphase stability leading to reduced reaction heterogeneity.
• Overall increase in energy density capacity of the anodes.