What is the initial capacity of a solid-state lithium battery?

The assembled solid-state LiNi0.5Co0.2Mn0.3O2 (NCM523)/GPE–LLZT–GPE/Li battery exhibits high initial capacity (163.5 mAh g −1) at 0.2 C. This work provides a facile method to reduce the interfacial resistance and demonstrates durable high-energy solid-state lithium metal batteries suitable for practical application.

Can a GPE layer improve the chemistry of lithium batteries?

In this case, the noticeable improvement demonstrated that the modification by GPE layers could form a stable electrode/electrolyte interfaces and effectively suppress formation and growth of Li dendrites, guaranteeing stable cycling in lithium batteries.

How can lithium metal anode scalability and safety be improved?

These strategies include designing new electrolytes and additives [9, 10], generating a lithium metal anode protection layer [11, 12], and stabilizing the structure of lithium metal anode . Although the electrochemical performance of LMBs have been greatly improved, the issues of scalability and safety still exist.

Are solid-state composite polymer electrolytes good for lithium metal batteries?

The battery assembled with SSE shows excellent electrochemical performance. Solid-state composite polymer electrolytes (CPEs) are promising for solving the safety problem of lithium metal batteries. However, the CPEs with comparable thickness (10 μm), improved ion conductivities and excellent mechanical strength are great challenges.

Are lithium metal batteries based on solid-state electrolytes a future energy storage system?

Currently, lithium metal batteries (LMBs) based on solid-state electrolytes (SSEs) have spurred a great deal of attention and hold potential to serve as next-generation energy storage system due to its unique features, such as highly thermal and electrochemical stable, non-flammable and absent of vaporization of organic solvents [5, 6, 7].

How stable is a Li symmetric battery at room temperature?

A long-term electrochemical stability of the Li symmetric cell was achieved. LiFePO 4 | CPE |Li battery delivers excellent cycle stability at room temperature. Solid-state electrolytes have become a promising approach for rechargeable lithium batteries with enhanced safety and high energy density.