Solid Electrolyte all-solid-state battery it plays a key role, and its performance directly affects the safety, energy density and cycle life of the battery. This article will introduce the preparation method of SC/O-doped sulfide solid electrolyte and its performance in all-solid-state batteries.

1. Preparation method:

• raw material selection: High purity sulfide is selected as the basic material, and appropriate amount of SC and O dopants are added at the same time.

• Mixed grinding: The raw materials are mixed and then ground to ensure that the dopant elements are evenly distributed in the sulfide matrix.

• Sintering preparation: The mixed powder is sintered at high temperature to form a dense solid electrolyte film.

2. All-solid-state battery performance:

• ion conductivity: SC/O-doped sulfide solid electrolyte has excellent ion conductivity, which can effectively improve the charge-discharge rate and efficiency of the battery.

• Chemical stability: The mixed sulfide solid electrolyte has good chemical stability, can resist the corrosion of electrode materials and prolong the service life of the battery.

• Interface stability: The interface stability between the mixed sulfide solid electrolyte, anode and cathode materials is good, which is helpful to reduce the interface impedance and improve the performance of the battery.

• Cycle performance: all-solid-state battery adopts SC/O-doped sulfide solid-state electrolyte with good cycle stability, which can realize long-term cycle charge and discharge and maintain stable performance.

3. Application prospect:

• SC/O-doped sulfide solid-state electrolyte has broad application prospects in the field of all-solid-state batteries. Its excellent ion conductivity and stability make it a research hotspot.

• The sulfide solid electrolyte is not only suitable for lithium ion batteries, but also can be applied to various all-solid-state battery systems such as sodium ion batteries and solid-state sodium sulfur batteries.

SC/O-doped sulfide solid electrolyte, as an important component of all-solid-state batteries, has simple preparation method, superior performance and broad application prospects. Through further research and optimization, it is expected to promote the development of all-solid-state battery technology and bring new breakthroughs and progress to the field of new energy storage.