The disclosure provides an electrolyte solution capable of improving the high-temperature storage characteristics and cycle characteristics of an electrochemical device. The electrolyte solution contains at least one selected from the group consisting of a compound represented by the following formula (1-1) (wherein R101 is a group such as an optionally fluorinated C1-C7 alkyl group and optionally contains a substance such as O in the structure) and a compound represented by the following formula (1-2) (wherein R102 and R103 are (i) each individually H, F, or a group such as an optionally fluorinated C1-C7 alkyl group, or (ii) hydrocarbon groups binding to each other to form a 5-membered or 6-membered hetero ring with a nitrogen atom; and R102 and R103 each optionally contain a substance such as O in the structure).
本公开提供了一种能够改善电
化学装置的高温存储特性和循环特性的电解质溶液。该电解质溶液含有至少一种选自由下式(1-1)表示的化合物(其中 R101 是诸如任选
氟化 C1-C7 烷基的基团,并在结构上任选含有诸如 O 的物质)和下式(1-2)表示的化合物(其中 R102 和 R103 (i)各自单独为 H、F,或一个基团,如任选
氟化的 C1-C7 烷基,或(ii) 碳氢基团相互结合形成带有一个氮原子的 5 元或 6 元杂环;以及 R102 和 R103 结构中均可选择含有 O 等物质)。