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Welcome to the vision energy source for the electric vehicle in this session will discuss about the



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various energy sources that can be possible to drive the electric motor as we have different electric



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vehicles are the device that the electrical motor as a propulsion.



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So let's discuss what are the different alternatives other than the battery that can be used as an energy



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source?



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Whenever we think about energy, source or things come to mind is always battery.



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That is no doubt electric batteries are used as a main source for the electric vehicle, but there are



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possibilities of using someone at the source as a main source as well as some additional source can



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be also used to enhance the battery range.



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So we'll discuss about the various energy source.



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We start with the battery at the DC source that controls the DC motors, as well as the AC motor with



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the additional power electronics controller.



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More tremors, electric battery taps are the lead acid and lithium ion batteries.



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So nowadays we are using the lithium ion batteries or the electric propulsion and electric vehicle that



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we call the metal electric.



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We also option to use hydrogen fuel cell as a source of electrical energy to be used with the motor



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driven vehicle or vehicle which is propelled by the electric motor.



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We will discuss in detail about this energy source later.



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We can also help the ultra capacitor that can be used as energy source for the electric vehicle.



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And we can also use, in addition, the flywheel as a source of electric energy.



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But on the Electric Motor will also discuss about how it's working in Detroit and its limitation and



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how we can extend the range of battery using the energy source.



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So it's called the hybridization of sorts, which is the latest trend in electric vehicle technology



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to use more than one energy source in addition to battery and to support the battery.



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And we can have the fuel cell ultra capacitor flywheel that can be used to extend the range of battery



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and with the proper optimization of its use.



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So before starting each energy source, let's first discuss the parameters and the ways that we already



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know about the parameters of the energy source.



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We know the energy source is represented in the most specific energy.



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Yet we are not comparing the battery with the gasoline fuel because specific energy battery is very



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lightweight compared to petrol and diesel under the efficiency of electric motors is very high contrast.



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But we are going to discuss the energy source and compare it so we can have a better idea of hybridization



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and how we can improve the hybridization of energy source to extend the range of electric vehicle specific



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energy, energy density and power density at three main parameters of energy source that we need to



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understand specific energies, energy per unit mass.



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That means it's measuring what that what gayety.



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It can also be measured in July, but Kaiji one, what section is equal to one July that we know?



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I'm using the unit waterwork energy density is the energy per unit volume, I it's always not necessary.



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It's same because we'll discuss it.



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But in case of seeing also in case of hydrogen also, that is the difference between what are cagey



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and what are what liter.



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And so energy density is energy per unit volume, methane water per liter.



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This is the general unit we use.



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And as a unit, as you know, water meter cube.



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So what are the better way to understand and having the idea about its energy density?



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Our density is the power per unit volume work, but little.



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So these three parameters must be understood and based on this parameter will compare to different energy



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source also and before comparison is tacked on the battery and we will understand the different energy



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source entity and then we will discuss about the hybridization of energy source.