-Is a solid-state lithium-sulfur battery a lithium-ion battery? What are the characteristics?

Is a solid-state lithium-sulfur battery a lithium-ion battery? What are the characteristics?
author:enerbyte source:本站 click471 Release date: 2023-04-18 09:18:35
abstract:
Solid state lithium-sulfur batteries belong to a type of lithium-ion battery, but unlike traditional liquid lithium-ion batteries, solid state lithium-sulfur batteries use solid electrolytes instead of liquid electrolytes. The positive electrode of this battery technology uses lithium sulfide,...

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Solid state lithium-sulfur batteries belong to a type of lithium-ion battery, but unlike traditional liquid lithium-ion batteries, solid state lithium-sulfur batteries use solid electrolytes instead of liquid electrolytes. The positive electrode of this battery technology uses lithium sulfide, and the negative electrode is made of lithium metal or lithium alloy. Charge storage and release are achieved through the transfer of ions in the solid electrolyte. Therefore, solid-state lithium-sulfur batteries have advantages such as higher energy density, better safety, and environmental friendliness compared to traditional liquid lithium-ion batteries.

Solid state lithium sulfur battery is a new type of battery technology, with the positive electrode made of lithium sulfide, the negative electrode made of lithium metal or lithium alloy, and the electrolyte made of solid electrolyte. Compared with traditional liquid batteries, solid-state lithium-sulfur batteries have the following characteristics:

1. High energy density: Solid state lithium sulfur batteries have higher energy density because solid electrolytes have higher ion conductivity and lower resistance than liquid electrolytes.

2. Good safety: Due to the use of solid electrolytes, safety issues such as leakage and combustion in liquid batteries are avoided.

3. Environmental protection: Inorganic materials are used as electrolytes, which will not cause pollution to the environment compared to organic solvents in liquid electrolytes.

4. Long lifespan: Solid state lithium sulfur batteries have a longer lifespan, reaching thousands of charging and discharging cycles, and have good resistance to deep charging and discharging.

5. Challenges that need to be overcome: Currently, there are still some challenges in the development process of solid-state lithium-sulfur batteries, such as stability in targeted high temperature, high humidity and other environments, improvement of current density and charge discharge rate.

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