Construction of Heterostructured Multi-Grain Solid Electrolyte Interphase with Trace Alloying for Fast Li ion Transfer and Dendrite-Free Lithium Metal Batteries

Key Points

• Fast lithium ion transfer was achieved with a novel solid electrolyte interphase design, enhancing battery efficiency.
• The study shows that trace alloying plays a crucial role in creating a dendrite-free lithium metal battery.
• This approach utilizes a multi-grain structure to optimize ion transport and reduce dendrite formation.
• The findings support the potential for developing high-performance lithium metal batteries, addressing existing challenges.