Fig. 2
From: A new coupled-inductor-free bidirectional DC-DC converter with low current ripple in both sides

Representative waveforms of the proposed converter: (a) step-up operation; (b) step-down operation.
From: A new coupled-inductor-free bidirectional DC-DC converter with low current ripple in both sides

Representative waveforms of the proposed converter: (a) step-up operation; (b) step-down operation.