Table 9.

Non-isolated converters for electric vehicles are compared.

Type	DC-DC converter	Objective	Conclusions	Advantages	Drawbacks
Non-isolated converter	CC [[64], [65], [66]]	To avoid a large amount of energy being wasted.	Ensure that the output is smooth and free of ripples.	Inductor’s peak-to-peak ripple current is lower. Continuous input and output current	Stabilization is difficult Resonance is uncontrolled and undampened.
	SCBC [[93], [94], [95]]	To obtain high gain of voltage while also achieving high level of performance	A high level of efficiency above 90%.	economical. Convenient design Current output is limited.	several ripples in the current. Improving efficiency across a broad range of input-to-output voltage ratio is difficult.
	CIBC [69,70]	To minimize ripples in output current and inductor current.	Increased efficiency is achieved by increasing the coupling coefficient.	Size is little. The price is low. Ripples have been reduced.	There is limited possibility of failure. Voltage ripples are not taken into account.
	QZBC [[76], [77], [78]]	Achieve a broad gain range and a perfect common ground.	The maximum and minimum efficiencies are 96.44% and 88.17%	Reduce switch-related stress. Component rating is reduced. Capability to buck/boost.	Input current is discontinuous The capacitor is subjected to a high voltage stress.
	MDBIC [[82], [83], [84]]	To keep the number of passive components to a minimum. To decrease ripples in input current and output voltage. To achieve adequate control and a rapid transient reaction.	Undergoes lower EMI as well as low stress. Decreases current and voltage ripple by half as compared to IBC. Reduces the bulk of the inductor and capacitor by half as comparison to IBC.	Current stress levels are low. Extremely effective. Ideal for conversion of large amounts of energy. A straightforward way to control. Reduced the size of the heat sink and component.	Owing to the large number of elements, the circuit is complex. Under load heterogeneity, the duty period is extremely vulnerable. It’s difficult to study in both steady state and intermittent environments.