Conductive base structure, electrochromic device, and electrochromic apparatus

An electrochromic device, comprising an electrochromic layer and a conductive base structure,

• wherein the conductive base structure comprises a base body, wherein the base body comprises a first conductive base and a second conductive base that are stacked, wherein the first conductive base and the second conductive base are each configured to connect to an external power, at least one sidewall of the first conductive base in a circumferential direction of the first conductive base is provided with at least one first groove, at least one sidewall of the second conductive base in a circumferential direction of the second conductive base is provided with at least one second groove, and the first groove and the second groove are located on a same side of the base body;
• wherein the electrochromic layer is disposed between the first conductive base and the second conductive base;
• wherein a plurality of first grooves and a plurality of second grooves are provided, the plurality of first grooves are spaced apart along the circumferential direction of the first conductive base, and the plurality of second grooves are spaced apart along the circumferential direction of the second conductive base;
• the first conductive base comprises a first conductive layer provided with a plurality of first conductive segments, and an orthographic projection of each of the plurality of first conductive segments on a plane on which the second conductive base is located is located in a corresponding one of the second grooves;
• the second conductive base comprises a second conductive layer provided with a plurality of second conductive segments, an orthographic projection of each of the plurality of second conductive segments on a plane on which the first conductive layer is located is located in a respective one of the plurality of first grooves, and clearances are formed between orthographic projections of the first conductive segments on a plane on which the second conductive layer is located, and the second conductive segments;
• and the first conductive segments and the second conductive segments are each configured to connect to an external power.

An electrochromic device, comprising a first conductive base, an electrochromic layer and a second conductive base that are sequentially stacked,

• wherein the first conductive base comprises a first base layer and a first conductive layer, and the first conductive layer is disposed on one side of the first base layer in proximity to the electrochromic layer;
• the second conductive base comprises a second base layer and a second conductive layer, and the second conductive layer is disposed on one side of the second base layer in proximity to the electrochromic layer;
• at least one side of the electrochromic device in a circumferential direction of the electrochromic device is provided with both a first busbar and a second busbar, the first busbar is electrically connected to the first conductive layer by at least one first connecting portion, and the second busbar is electrically connected to the second conductive layer by at least one second connecting portion;
• a clearance is formed between the first conductive base and an orthographic projection of the first busbar on a plane on which the first conductive base is located;
• and a clearance is formed between the second conductive base and an orthographic projection of the second busbar on a plane on which the second conductive base is located;
• wherein an edge of the first conductive base is provided with a plurality of first grooves that are spaced apart, and an edge of the second conductive base is provided with a plurality of second grooves that are spaced apart;
• wherein the first conductive base comprises the first conductive layer provided with a plurality of first conductive segments, and an orthographic projection of each of the plurality of first conductive segments on the plane on which the second conductive base is located is located in a corresponding one of the second grooves;
• the second conductive base comprises the second conductive layer provided with a plurality of second conductive segments, an orthographic projection of each of the plurality of second conductive segments on a plane on which the first conductive layer is located is located in a respective one of the first grooves, and clearances are formed between orthographic projections of the first conductive segments on a plane on which the second conductive layer is located, and the second conductive segments;
• and the first conductive segments and the second conductive segments are each configured to connect to an external power.