Tungsten Disulfide WS2 as Battery Material

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The introduction of sodium batteries will likely alleviate current limitations of lithium resource scarcity on rapid development of new energy industries and will stimulate further the application of transitional metal disulfide like tungsten disulfide (WS2) in the field of power storage.
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 material ends to meet rapidly increasing energy demand. Additionally, there is a clear structural imbalance in the investment made in the lithium electric sector chain which leads to rising prices for lithium raw materials.

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 density electron states. It has been used extensively in sodium and lithium storage. As an example, nanocomposites that are used as conductive additions or graphene-composite as anode for batteries can have a higher specific capacity and discharge rate than single components WS2 or C.

Graphene, a novel anode material, has been a focus of energy storage researchers for many years. It is a versatile anode material with many benefits 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. WS2 and graphene nanomaterials have high thermochemical stability, which can be used to compensate for the graphene’s weaknesses.
In general, tungsten dioxide is an excellent choice for batteries materials.

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