阅读说明：本技术 封装结构及应用所述封装结构的电化学装置 (Packaging structure and electrochemical device using same ) 是由 李�瑞 徐炎 江行国 连旭宸 于 2020-03-31 设计创作，主要内容包括：一种封装结构,容置部和自容置部延伸的密封部,容置部包括依次连接的第一边缘、第二边缘、第三边缘和第四边缘,第一边缘和第三边缘相对,第二边缘连接第一边缘与第三边缘,第四边缘连接第一边缘与第三边缘,其中,第一边缘的长度小于第二边缘的长度,且第一边缘的长度小于第四边缘的长度；以及密封部设置于第二边缘、第三边缘和第四边缘,密封部包括沿第二边缘设置的第一封边、沿第四边缘设置的第二封边,第一封边从第一边缘超出的部分以及第二封边从所述第一边缘超出的部分分别朝所述第一边缘折叠。所述封装结构有利于降低整体的占用空间。本申请还提供一种应用所述封装结构的电化学装置。(A packaging structure comprises a containing part and a sealing part extending from the containing part, wherein the containing part comprises a first edge, a second edge, a third edge and a fourth edge which are connected in sequence, the first edge is opposite to the third edge, the second edge is connected with the first edge and the third edge, the fourth edge is connected with the first edge and the third edge, the length of the first edge is less than that of the second edge, and the length of the first edge is less than that of the fourth edge; and the sealing parts are arranged at the second edge, the third edge and the fourth edge, the sealing parts comprise a first sealing edge arranged along the second edge and a second sealing edge arranged along the fourth edge, and the first sealing edge exceeds the first edge from the first edge and the second sealing edge from the first edge respectively faces the first edge to be folded. The packaging structure is beneficial to reducing the overall occupied space. The application also provides an electrochemical device applying the packaging structure.)