Literature Review on Bidirectional DC-DC Buck-Boost Converters for Battery Charging Applications

This literature review explores advancements in bidirectional DC-DC buck-boost converters for battery charging applications, focusing on their role in electric vehicle (EV) systems, renewable energy integration, and battery energy storage systems. The review synthesizes findings from recent studies, highlighting innovations in converter topologies, control strategies, and efficiency improvements. Key challenges such as power loss, current control, and voltage regulation are discussed, alongside emerging solutions like soft switching and zero-current-switching techniques. The paper aims to provide a comprehensive understanding of the current state of bidirectional charger.