Orchestrating Charge‐Trap and Oxygen‐Barrier Synergy in XLPE via Grafting Voltage Stabilizer: A Multiscale Blueprint for Multi‐Stress‐Resistant Dielectrics
Crosslinked polyethylene (XLPE) is the benchmark insulation for high‐voltage direct‐current (HVDC) cables, yet its amorphous phase remains the Achilles' heel—vulnerable to space charge accumulation, oxygen permeation, and thermo‐oxidative degradation that synergistically trigger premature failure. Here, we report a...