Unlock Maximum EV Efficiency and Range with MoS2 Bearings Upgrade

Let’s face it, maximizing an electric vehicle’s (EV) driving range is a top priority for both manufacturers and drivers alike. We’ve all heard the term “range anxiety” – that nagging fear of running out of juice before reaching your destination. But what if there was a secret weapon hiding within the EV drivetrain, silently working to squeeze out every last mile? Enter MoS2 bearings, a revolutionary technology poised to transform the EV landscape.

Friction’s Not-So-Friendly Foe: The Silent Drain on EV Performance.

Every moving part in an EV drivetrain, especially the gear transmission, battles a constant enemy: friction. This friction creates heat, robs precious energy, and ultimately reduces your driving range. Traditional bearings, while workhorses of the automotive industry, rely on external lubrication to minimize friction. But, this lubrication can degrade over time, leading to increased wear and tear.

More than 80% of bearing failures happen due to improper lubrication

Friction Causes Heat to Bearings

Every time an EV accelerates decelerates, or changes gears, the rotating components in the drivetrain experience a surge of inertial forces. This constant start-and-stop motion and the natural friction between moving parts like gears and bearings generate heat. Traditional bearings rely on external lubrication to manage this heat. Still, over time, that lubrication can break down, leading the heat to impact the bearings themselves, accelerating wear and tear directly. MoS2 bearings, with their self-lubricating properties, offer a superior solution by reducing friction at the source and minimizing heat buildup, ultimately extending the lifespan of the drivetrain and maximizing efficiency.

• As gearbox bearings heat up from load, friction, and inadequate lubrication, they distort slightly.

• The thermal expansion causes misalignment between the gears.

• Misaligned gears don’t mesh properly, increasing friction and requiring additional force to maintain rotation.

• Misalignment creates friction and energy losses, reducing the efficiency of transferring power from the motor to the wheels.

• The EV drivetrain needs to work harder (increased energy consumption) to maintain speed, resulting in a drop in overall vehicle efficiency with time.

Introducing MoS2: The Self-Lubricating Superhero

MoS2, or Molybdenum Disulfide, is a game-changer in the world of bearings. This incredible material possesses a layered structure that acts like a built-in lubricant. Imagine microscopic, friction-fighting shields constantly protecting the bearing surfaces. The result? A smoother, more efficient operation that translates to increased range and a happier driver (you!).

Supercharged Benefits: Why MoS2 Bearings Belong in Your EV

So, how exactly do MoS2 bearings benefit your EV? Here’s a breakdown of their superpowers:

• Reduced Friction, Maximized Range: By minimizing friction within the drivetrain, MoS2 bearings allow your EV to travel further on a single charge. Say goodbye to range anxiety and hello to road trip confidence!
• Extended Gear Transmission Lifespan: MoS2’s self-lubricating properties reduce wear and tear on the gears, leading to a longer, healthier transmission. This translates to fewer repairs and replacements, saving you time and money.
• Improved Overall Performance: Smoother operation throughout the drivetrain translates to a more responsive and enjoyable driving experience. Those pesky jerks and hesitations become a thing of the past.
• Reduced Maintenance Costs: Traditional bearings require regular lubrication, which means maintenance schedules and associated costs. MoS2 bearings significantly reduce this need, freeing up your wallet for more exciting EV adventures.

• Hardai ARMND conducted a series of tests comparing the thermal performance of coated and non-coated 6302 bearings under specific operational conditions.

• The test setup was designed to handle speeds up to 33,000 RPM, facilitated by a 3:1 gear ratio coupled with a 910kv BLDC motor. Temperature measurements were taken using a K-type thermocouple to ensure precise monitoring.

• The results indicated the coated bearings showed lower temperatures and improved heat dissipation compared to the non-coated ones.

• The reliability calculation for bearings based on lubrication and temperature uses the Weibull distribution.

• For example, MoS2-coated bearings, with better lubrication and lower temperature, have a higher L10 life (4200 hours) compared to grease-lubricated ones (3000 hours).

• The Weibull scale parameter (η) is derived from the L10 life, using a typical shape parameter (β). The reliability function 𝑅(𝑡)=𝑒−(𝑡/𝜂)𝛽R(t)=e−(t/η)β estimates the probability of survival up to time t.

Not Just About the Miles: MoS2 for a Greener Future

Beyond the driver benefits, MoS2 bearings contribute to a more sustainable future for EVs. By increasing efficiency and reducing energy consumption, MoS2 technology helps to lower overall emissions. This translates to cleaner air and a smaller environmental footprint for your EV.

Ready to Unleash the Power of MoS2?

MoS2 bearings represent a significant leap forward in EV drivetrain technology. If you’re an EV manufacturer or enthusiast looking to push the boundaries of efficiency, performance, and sustainability, then MoS2 is the key you’ve been searching for. Here at [Your Company Name], we’re passionate about helping you integrate this revolutionary technology into your EV project. Contact us today to learn more about how MoS2 bearings can take your EV to the next level!

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FAQ’s

• What is MoS2?

A: Molybdenum Di Sulfide or MoS2 is a layered material, with each layer consisting of a nano thin sheet of molybdenum atoms which are sandwiched between two nano sheets of sulfur atoms.

• How MoS2 is highly efficient lubrication?

A: The layers are held together by weak van der Waals forces, allowing them to easily slide over each other. ​

• Can it assist lubrication with oil?

A: The ball-coated varient of MoS2 bearing have high tendency of assisitng lubrication in oil environment

• Can it assist lubrication with Grease?

A: NO

• Can MoS2 solve the EV range anxiety of the EV owner?

A: YES

• Can MoS2 lubrication decrease the risk of Electric Motor Burning?

A: YES

• Can MoS2 revolutionarise the spreading news of risk that EV catches fire?

A: YES

• How Hardai ARMND can provide MoS2 bearing solution?

A: Our proprietary method allows us to synthesize MoS2 nanoparticles of 10nm size, followed by coating them to a minimum thickness of 1 micron, enabling precision assembly of bearings for demanding applications.

• How MoS2 can assist lubrication in oil environment?

A: Even under adverse conditions like oil viscosity changes, contamination, pressure fluctuations, or insufficient oil film thickness, our MoS2 micro-coating (minimum 1 micron) provides continuous lubrication. Its high surface area and small 10nm particle size ensure exceptional heat absorption, minimizing bearing wear and extending lifespan.

• How MoS2 is superior than WS2 and PTFE coating?

A: MoS2 reigns supreme for bearing lubrication compared to WS2 and PTFE. It boasts superior load-carrying capacity, withstanding extreme pressures better than WS2. Additionally, MoS2 maintains excellent lubrication even at high temperatures, surpassing the limitations of PTFE which can degrade under such conditions. This winning combination of strength and high-temperature performance makes MoS2 the ideal choice for keeping your bearings running smoothly and efficiently.

• How much efficiency of EV can MoS2 lubrication increase?

A: Hardai ARMND is still under exploration of the upper limit of efficiency rise but, till date, the field experiments and standalone testing are resulting in at least 25% rise in efficiency.