Materials study demonstrates stable cycling for gradient lithium metal anodes, suggesting a viable route to suppress dendrites in high-rate batteries.
Key Points
Gradient hosts enable dendrite-free lithium metal anodes through bottom-up deposition, effectively mitigating short circuits during ultrahigh-rate battery operation.
Symmetrical cells maintain stable cycling for 700 hours, and paired full cells deliver 85.4% capacity retention under demanding high-rate test conditions.
Layer-by-layer assembly fabricates structured conductive scaffolds, which effectively optimizes current density and guides homogeneous lithium metal deposition.