A composite electrode materials with improved structure adapted for a lithium ion secondary battery system, comprising: an active material; an artificial passive film, covering the active material; a middle layer, covering the artificial passive film, the middle layer including a first undeformable electrolyte and a first deformable electrolyte, wherein a volume content of the first deformable electrolyte is more than a volume content of the first undeformable electrolyte; and an outer layer, covering the middle layer, the outer layer including a second undeformable electrolyte and a second deformable electrolyte, wherein a volume content of the second undeformable electrolyte is more than a volume content of the second deformable electrolyte; wherein the first deformable electrolyte of the middle layer and the second deformable electrolyte of the outer layer are composed of a soft-solid electrolyte, selected from a sulfide-based solid electrolyte, a hydride solid electrolyte or a polymer solid electrolyte, and at least one electrolyte selected from an ionic liquid, an ionic liquid electrolyte, a gel or liquid electrolyte or a combination thereof; wherein a thickness of the artificial passive film is less than 100 nanometers and totally covers the active material, wherein the artificial passive film is composed of a solid electrolyte, selected from oxide-based solid electrolyte, sulfide-based solid electrolyte, lithium-aluminum alloy solid electrolyte or lithium azide (LiN 3) solid electrolyte, or wherein the artificial passive film is a non-solid electrolyte, selected from the group consisting of conductive materials, lithium-free ceramic materials and the combinations thereof, wherein the conductive materials include a carbonaceous material or a conductive polymer, and the lithium-free ceramic materials include a zirconia, a silica, an alumina, a titanium oxide or a gallium oxide; wherein a distance between the middle layer and the artificial passive film is not greater than 500 nanometers; wherein a distance between the outer layer and the artificial passive film is greater than 500 nanometers; wherein a volume content of the first deformable electrolyte of the middle layer is greater than 50% of total volume content of the first deformable electrolyte and the first undeformable electrolyte of the middle layer; wherein a volume content of the second undeformable electrolyte of the outer layer is greater than 50% of total volume content of the second deformable electrolyte and the second undeformable electrolyte of the outer layer; wherein the first undeformable electrolyte of the middle layer and the second undeformable electrolyte of the outer layer are selected from an oxide-based solid electrolyte, a lithium azide (LiN 3) solid electrolyte or a lithium-aluminum alloy solid electrolyte. an active material; an artificial passive film, covering the active material; a middle layer, covering the artificial passive film, the middle layer including a first undeformable electrolyte and a first deformable electrolyte, wherein a volume content of the first deformable electrolyte is more than a volume content of the first undeformable electrolyte; and an outer layer, covering the middle layer, the outer layer including a second undeformable electrolyte and a second deformable electrolyte, wherein a volume content of the second undeformable electrolyte is more than a volume content of the second deformable electrolyte; wherein the first deformable electrolyte of the middle layer and the second deformable electrolyte of the outer layer are composed of a soft-solid electrolyte, selected from a sulfide-based solid electrolyte, a hydride solid electrolyte or a polymer solid electrolyte, and at least one electrolyte selected from an ionic liquid, an ionic liquid electrolyte, a gel or liquid electrolyte or a combination thereof; wherein a thickness of the artificial passive film is less than 100 nanometers and totally covers the active material, wherein the artificial passive film is composed of a solid electrolyte, selected from oxide-based solid electrolyte, sulfide-based solid electrolyte, lithium-aluminum alloy solid electrolyte or lithium azide (LiN 3) solid electrolyte, or wherein the artificial passive film is a non-solid electrolyte, selected from the group consisting of conductive materials, lithium-free ceramic materials and the combinations thereof, wherein the conductive materials include a carbonaceous material or a conductive polymer, and the lithium-free ceramic materials include a zirconia, a silica, an alumina, a titanium oxide or a gallium oxide; wherein a distance between the middle layer and the artificial passive film is not greater than 500 nanometers; wherein a distance between the outer layer and the artificial passive film is greater than 500 nanometers; wherein a volume content of the first deformable electrolyte of the middle layer is greater than 50% of total volume content of the first deformable electrolyte and the first undeformable electrolyte of the middle layer; wherein a volume content of the second undeformable electrolyte of the outer layer is greater than 50% of total volume content of the second deformable electrolyte and the second undeformable electrolyte of the outer layer; wherein the first undeformable electrolyte of the middle layer and the second undeformable electrolyte of the outer layer are selected from an oxide-based solid electrolyte, a lithium azide (LiN 3) solid electrolyte or a lithium-aluminum alloy solid electrolyte.