Optimization of Receiver Coil With Minimized Coupling Coefficient Variation and High Coil Inductance for High Efficiency 2-Stage WPT System of EVs Based on SAE-J2954. - Chang-Yeob Chu; Sungryul Huh; Dong-In Lee; Youngseok Lee; Han-Shin Youn; Ki-Bum Park (IEEE Access, 2026)