材料科学
电解质
阳极
电化学
化学工程
阴极
相间
储能
三氟甲磺酸
电极
锂(药物)
纳米技术
催化作用
有机化学
化学
遗传学
生物
量子力学
物理
功率(物理)
内分泌学
工程类
物理化学
医学
作者
Jie Zheng,Weidong Zhang,Chenyue Huang,Zeyu Shen,Xinyang Wang,Junze Guo,Siyuan Li,Shulan Mao,Yingying Lü
标识
DOI:10.1016/j.mtener.2022.100984
摘要
As a promising choice of next-generation energy storage system, high-energy lithium metal batteries (LMBs) are facing degradation and safety problems mainly caused by undesired side reactions and growth of lithium dendrite. Thus, electrode design, modification of electrode interphase and electrolyte have therefore become key issues for future LMBs. Herein, we report that introducing a dual-function electrolyte additive, tin trifluoromethanesulfonate (Sn(OTf)2), into DOL-based electrolyte can in-situ fabricate poly(1,3-dioxolane) gel polymer electrolyte and a Li–Sn alloy anode interphase. The formed quasi-solid LMB utilizing various cathodes, including LiFePO4, sulfide, and LiCoO2, presents low internal resistance, robust and compatible interface as well as satisfying thermal, mechanical, and electrochemical stability even in air. This work provides a facile and accessible approach to manufacture qualified quasi-solid LMBs with improved safety and elongated lifetime.
科研通智能强力驱动
Strongly Powered by AbleSci AI