Tungsten Disulfide WS2 as Battery Material

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The introduction of sodium batteries is expected help alleviate current limitations of lithium resource scarcity on rapid development of new energy industry.
The lithium-ion battery is an essential raw material for the development of energy devices and achieving the goal to be carbon neutral. However, it’s difficult at the moment to make the capital investments in the raw materials end in order to cover the rapidly increasing energy demand. Additionally, there is a clear structural imbalance in the investment made in the lithium electric sector chain which leads to an increase in the cost of lithium raw material.

sodium cells entered the field of vision. As an energy material, sodium is abundant in nature. It also has high capacity and high rate performance which can compensate for the limitations of lithium-ion cells in the current energy storage area. The cost of sodium battery is likely to be higher than that of lithium battery because of its smaller supply chain. But, with maturation of technology, it will still be an attractive option to lithium battery.

Tungsten Disulfide will also benefit from increased market replenishment as a potential material for batteries.
Tungsten dioxide is a layered metal with remarkable surface effect, electron fluidity. The material also has high thermochemical stability and high electron densities. It has been used extensively in sodium and lithium storage. As an example, nanocomposites that are used as conductive additions or graphene-composites as anode materials for batteries can have a higher specific capacity and discharge rate, compensating for the absence of single component C or WS2.

Graphene, a novel anode material, has been a focus of energy storage researchers for many years. It is a versatile anode material with many advantages such as high electrical and thermal conductivity, large specific surface area and so forth. Although it is an energy storage medium, it does not compensate for its own flaws. For example, the material is susceptible to structural collapse during a long cycle which could lead to a substantial decrease in battery power. Graphene, WS2 and other nanomaterials can be used to compensate for the graphene’s weaknesses.
A good choice for battery materials is generally tungsten dioxide.

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