Rankine-based　pumped　thermal　energy　storage　(PTES)　is　a　potential　electricity　storage　technology　for　accelerating　the　integration　of　renewables.　This　paper　provides　a　novel　Rankine-based　PTES　concept　based　on　cascade-charging,　dual-expansion,　and　hybrid　thermal　storage,　which　enables　large　temperature　span　and　the　cooperative　thermal　matching　of　the　heat　pump,　thermal　storage,　and　heat　engine.　A　system　layout　and　the　corresponding　theoretical　model　for　energy　and　exergy　analysis　are　developed.　The　integration　of　low-temperature　heat　is　considered,　and　multiple　criteria　are　defined　to　evaluate　the　thermal　energy　utilization　quantitatively.　Afterward,　a　systematic　investigation　into　its　performance　is　conducted.　The　influence　of　key　parameters　is　analyzed　with　a　multiobjective　optimization　to　unveil　the　trade-off　relations　between　different　performance　indicators.　Beyond　that,　the　exergy　loss　distribution　of　the　presented　concept　is　revealed,　and　a　comparison　with　the　traditional　concept　is　also　performed.　Results　show　the　concept　has　promising　comprehensive　performance.　A　round-trip　efficiency　of　over　72　%　is　achieved　under　a　100　K　temperature　span　with　the　exergy　efficiency　of　heat　engine　reaching　about　70　%.　Moreover,　the　strong　mutual　promotion　of　thermal　integration　is　observed.　The　concept　reported　here　can　offer　a　meaningful　reference　for　the　coordination　design　of　the　Rankine-based　PTES.　©　2024　Elsevier　Ltd