阳极
材料科学
电解质
锂(药物)
金属锂
金属
电流密度
化学工程
电极
快离子导体
图层(电子)
复合材料
冶金
化学
物理化学
工程类
内分泌学
物理
医学
量子力学
作者
Naixuan Ci,Lin Zhang,Jianwei Li,Deping Li,Jun Cheng,Qing Sun,Zhenjie Xi,Xu Zhou,Guoqing Zhao,Lijie Ci
出处
期刊:Carbon
[Elsevier]
日期:2021-10-28
卷期号:187: 13-21
被引量:17
标识
DOI:10.1016/j.carbon.2021.10.070
摘要
The development of solid-state lithium-metal batteries (SSLMBs) is severely constrained by the poor physical and (electro)chemical stability of the interface between solid-state electrolytes (SSEs) and lithium (Li) metal anode. Here, a flexible rGO film with uniformly distributed ZnO is in situ constructed at the interface between NASICON-type Li1.5Al0.5Ge0.5(PO4)3 (LAGP) and Li metal anode. Such a buffer layer realizes a good interfacial contact, and prevents the side reaction between the Li metal anode and LAGP. As a result, the symmetric cells with the designed structure present a high critical current density of 3.0 mA cm˗2 and stable cycling for over 800 h at 0.15 mA cm˗2. In addition, LiFePO4 (LFP)/Li full batteries deliver excellent capacity retention and long cycling performance.
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