MXene-based nanocomposite for electrocatalytic reduction of CO2: Experimental and theoretical results

•The various strategies to improve the MXene-based nanocomposites in CO2RR have been discussed.•The key properties of catalytic enhancement and strategies to control catalysts properties were reviewed.•The application of MXene-based nanocomposites catalyst for CO2RR was highlighted.•The remaining obstacle and future direction were formulated.