A non-intrusive integration of wireless chargers into electric vehicles: 95.60% dc-dc efficiency at 0.51 LD-to-CL ratio with on-vehicle demonstration

Songyan Niu

doi:10.1016/j.etran.2026.100547

A non-intrusive integration of wireless chargers into electric vehicles: 95.60% dc-dc efficiency at 0.51 LD-to-CL ratio with on-vehicle demonstration

2026-01-15

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DOI：10.1016/j.etran.2026.100547

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• A non-intrusive framework successfully removes compatibility barriers for the practical deployment of wireless charging in electric vehicles. • Dual-layer coils achieve a largest-distance-to-characteristic-length ratio of 0.51 and a misalignment tolerance exceeding the SAE standard by 43%. • An accurate parasitic-aware circuit model forms the basis for a novel winding method that reduces dielectric losses. • A maximum dc-dc efficiency of 95.60% and a 12.5 °C steady-state temperature rise of transmitting coils are demonstrated. • On-vehicle experiments validate the effectiveness and performance of the proposed approach.

A non-intrusive integration of wireless chargers into electric vehicles: 95.60% dc-dc efficiency at 0.51 LD-to-CL ratio with on-vehicle demonstration

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