Journal
NANO LETTERS
Volume -, Issue -, Pages -Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.2c00983
Keywords
dendrite free; high rate; liquid interface; sodium metal anode; solid-state electrolyte
Categories
Funding
- Natural Science Foundation of China [52004092, 51872090]
- Ph.D. Research Startup Foundation of North China University of Science and Technology [BS2019001]
- Central Government Guides Local Science and Technology Development Funds [226Z4403G]
Ask authors/readers for more resources
This study addresses the interface issues in solid sodium-ion batteries by constructing a novel liquid film interface between sodium and solid electrolyte, resulting in improved performance with high-rate and long-cycle capabilities.
Solid sodium-ion batteries (SSIBs) are considered as one of the promising energy storage systems because of their high safety and high energy density. However, the sodium metal anode presents poor wettability with a solid electrolyte, resulting in high interface impedance and dendrite growth, which severely limits their application in practice. Herein, a novel liquid film (Na-BP) interface is constructed between sodium and solid electrolyte (Na3Hf2Si2PO12) with an excellent kinetic mass transfer ability and good fluidity, which could guarantee a close contact and fast charge transfer at interface. The symmetric cells with the designed interface show a high-rate and long-cycle performance and could cycle stably more than 1000 and 700 h at 0.2 and 0.5 mA cm(-2), respectively. The critical current density of the cells can reach 3.6 mA cm(-2) at room temperature, which is the highest value in similar works.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available