Nowadays,　large-scale　energy　storage　systems　(EES)　are　a　crucial　mechanism　to　realize　large-scale　grid-connected　power　generation　from　renewable　energy.　And　the　development　of　co-generation　systems　coupled　with　EES　has　encouraging　economic　potential.　In　this　paper,　two　compressed　and　liquid　carbon　dioxide　energy　storage　systems　without　extra　heat/cold　sources　are　proposed　(denoted　as　LCES-E　and　LCES-EC).　The　system＇s　principles　are　presented;　the　thermodynamic　and　exergoeconomic　analyses　models　are　developed;　the　effects　of　five　primary　parameters　are　obtained　by　parametric　analysis;　meanwhile,　the　potential　of　the　systems　is　revealed　by　multi-objective　optimization.　The　results　show　that　both　systems　can　provide　stable　electricity　and　cold　simultaneously.　The　better　cooling　capacity　makes　LCES-EC　superior,　with　the　RTE,　EVR　and　cptot　reaching　78.66%,　12.69　kWh/m3　and　41.23　$/GJ.　The　compressor　and　turbine　exergy　destruction　and　cost　exceed　55%　of　all　components,　and　appropriately　high　levels　of　ηC　and　ηT　are　preferred　for　both　efficiency　and　economy.　The　LCES-EC　system　guarantees　both　electrical　efficiency　and　cold　capacity,　showing　preferable　features　over　previously　reported　systems.　©　2022　Elsevier　Ltd