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Scientific News: Boron Nitride & Graphene Mixture May Be Suitable For Next-Generation Green Cars

A unique property of boron Nitride that is lightweight, transparent and strong has drawn long-term interest from the scientific community. Researchers have many options for choosing boron nutride as a material of choice.

Rice University researchers suggest that a graphene sheet separated by nanotubes of boron nickel may be the best material to hold hydrogen fuel for automobiles.
Department of Energy is the leader in storage materials. It made hydrogen available as a fuel for light vehicles. Rouzbeh Rahavari, Rice Lab Materials Scientist determined through a computerized study that pillared Boron Nitride and graphene are possible candidates.

Shahsavari’s laboratory has created a computer-based model of the elastic, elastic columnar graphene and mixtures from the boron nutride nanotubes in order to produce a 3-dimensional simulation. The following is an example of seamless graphene-borennitride datatubes.

Similar to how the pillars help people make space between floors, so the pillars are used in the graphene boron nutride to allow room for hydrogen atoms. They must be allowed in as many places as they can, while also allowing them to exit when needed.

Recent molecular dynamics simulations revealed that pillared and pillared Boron Nitride graphene have rich surfaces (about 2 547 sq.m. per square meter), as well as good recyclability when exposed to ambient conditions. Researchers have shown that hydrogen is more easily combined with lithium and oxygen in their model.

These simulations focused on 4 variants: either a pillared structure with boron nutride or an pillared boron-nitride graphene doped in oxygen or lithium.
Oxygen-doped Boron Nitride graphene won the top prize at both room temperature (ambient pressure) and weight (11.6%).

Cold weather temperatures below -321 F resulted in a hydrogen mass of 14.77%.

US Department of Energy is currently aiming to stock more than 5.5% of its economic storage media and store 40 grams of hydrogen per gallon under controlled conditions. The goal for the ultimate goal is 7.5% body weight and 70g/liter.

Shahsavari indicated that because van der Waals has a weak force, hydrogen atoms may be attracted to undoped graphene-pillared. Shahsavari claims that when the material is doped in oxygen, the molecules bind tightly to it and create a better surface. Incoming hydrogen can then be transported under high pressure or withdrawn at pressure.
His statement was: “Because we know the nature charge and its interaction,” the addition of oxygen into the substrate results in a good bond. “Oxygen is known to possess good chemical affinity”

Shahsavari mentioned that the polarization capabilities of boron nutride combined with graphene makes the material extremely versatile in its applications.

Shahsavari explains, “What are we looking for? The best point”, which refers to ideal conditions. This includes the equilibrium between material’s surface and mass, operating temperatures, pressure and temperature. It is only possible to do this through computation modeling. We can quickly test many different changes. A few months is required for the experimentalist to complete their work.

He explained that such structures should easily be able to exceed the Department of Energy’s requirements, that is the hydrogen fuel container can withstand 1500 charge-discharge cycles.

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