Details

Autor(en) / Beteiligte

• Wang, Xiao‐Xue
• Guan, De‐Hui
• Miao, Cheng‐Lin
• Li, Jia‐Xin
• Li, Jian‐You
• Yuan, Xin‐Yuan
• Ma, Xin‐Yue
• Xu, Ji‐Jing

Titel

Boundary‐Free Metal–Organic Framework Glasses Enable Highly Stable All‐Solid‐State Lithium–Oxygen Battery

Ist Teil von

• Advanced energy materials, 2024-02, Vol.14 (5), p.n/a

Ort / Verlag

Weinheim: Wiley Subscription Services, Inc

Erscheinungsjahr

2024

Quelle

Wiley-Blackwell Journals

Beschreibungen/Notizen

• Rechargeable lithium–oxygen batteries (LOBs) are considered to be one of the most promising energy storage systems. However, the use of reactive lithium (Li) metal and the formation of Li dendrites during battery operation would lead to serious safety concerns, especially when flammable liquid electrolytes are utilized. Herein, superior metal–organic framework (MOF) glass‐based solid‐state electrolytes (SSEs) is developed for stable all‐solid‐state LOBs (SSLOBs). These non‐flammable and boundary‐free MOF glass SSEs are capable of suppressing the dendrite growth and exhibiting long‐term Li stripping/plating stability, contributing to superior Li+ conductivity (5 × 10−4 S cm−1 at 20 °C), high Li+ transference number (0.86), and good electrochemical stability. It is discovered that discharge product deposition behavior in the solid‐solid interface can be well regulated by the ion/electron mixed conducted cathode fabricated with MOF glass SSEs and electronic conductive polymers. As a result, the SSLOBs can be stably recharged for 400 cycles with a low polarization gap and deliver a high capacity of 13552 mAh g−1. The development of this proposed MOF glass displays great application potential in energy storage systems with good safety and high energy density. High‐performance metal–organic framework (MOF) glass‐based solid‐state electrolytes (SSEs) are developed for safe and stable all‐solid‐state lithium–oxygen batteries (SSLOBs). Taking advantage of the highly mechanical stability and boundary‐free properties, the MOF glass‐based SSEs display superior lithium stripping/plating stability and endow the SSLOBs with high capacity and long‐term cycling stability.