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Regional winner of Electric Vehicle Battery Charging Challenge with Shell Recharge

Selecting a Tesla Model 3 Long Range Performance 2019 as their electric vehicle of choice, the ETA team explores how both mathematics and chemistry can help overcome the current limitations of long-distance electric vehicle (EV) driving.

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YouTube

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aiJLEhoigyo

Title

Team ETA : Pitch the Future | Shell Eco-marathon

Transcript

Title:  Session #10 - ETA

Duration: 2:03 minutes

Description:

Team ETA, part of the Shell Eco-marathon, describe their experience of Pitch the Future.

Session #10 - ETA Transcript

[Background music plays]

Rhythmical instrumental music.

[Video Footage]

A series of head shots of individual team members on a video conference talking straight into the camera. They are wearing Team ETA t-shirts. Each team member speaks one word. Behind the video is a brightly coloured background comprising yellow, teal and grey cogs turning. Cuts to five members of Team ETA smiling and waving into the camera.

[Team Members]

Hello there. We are team ETA.

[Text displays]

Hello there!

We

are

team

ETA!

[Animation]

Yellow, teal and grey blocks of colour move across the screen from left to right to reveal a turquoise background with five lines of white dots moving like a wave.

[Text displays]

Pitch the Future

Electric Mobility - Long distance travel

with electric vehicles with Shell Recharge

[Animation]

The text flips and disappears into the background. New text appears.

[Text displays]

Team ETA

India

[Animation]

Yellow, teal and grey horizontal blocks of colour move across the screen from left to right to return to the video footage.

[Video Footage]

Footage of a team member speaking to camera. Cuts to a clip of the students walking at a bus station. Cuts to a montage of photos of the students working on their project, which includes a smiling student being strapped into a low go-kart-like vehicle. Cuts back to the video conference footage of the team.

[Team Member]

Our team was found in 2012 by a bunch of engineering students. We grow stronger every time we face a setback. For example, after a setback in 2018, we grew stronger, worked up on our shortcomings and came first in Shell Eco-marathon India 2019 in the Gasoline Protype category.

[Text displays]

Our team was founded in 2012 by a bunch of engineering students.

We grow stronger every time we face a setback.

For example, after a setback in 2018, we grew stronger,

worked up on our shortcomings

and came first in Shell Eco-marathon India 2019 in the Gasoline Protype category.

[Video Footage]

Change of team member speaking. Cuts to a clip from the team pitch video showing an animation, before cutting back to the video of the speaker and then the team.

[Animation]

Animation entitled Mathematical Modelling. The background is orange with a white box containing five people passing images representing items such as text, a speech bubble and a cog between them. This is replaced by  an animation of graphical modelling of data. A new animation appears of a white car, set in front of a blue graph. This is headed Battery Optimisation. A lightning flash becomes more prominent. The tip of the flash fills red up to a line marked max.

[Team Member]

Our Pitch the Future idea is scalable and reliable, that works on route optimisation through mathematical modelling, battery functionality enhancement through cell chemistry modification and adoption of thermal management system.

[Text displays]

Our Pitch the Future idea is scalable and reliable,

that works on route optimisation

through mathematical modelling,

battery functionality enhancement through cell chemistry modification

and adoption of thermal management system.

[Video Footage]

Footage of a team member speaking to camera. Cuts to the following animations, before cutting back to the speaker and then the team.

[Animation]

Cuts to animation from the team pitch video with a stylised depiction of a car driving past buildings. In the top right-hand corner, a red symbol indicating a car passenger wearing a seatbelt. The red symbol fades and the animation reduces in size to fit the bottom of the screen with text above.

[Text displays]

Our vehicle will be charged to 95% of overall battery capacity before starting the trip = 71250Wh

Maximum charge thereafter for remaining trip= 60000 Wh (80% SoC)

Average speed of vehicle will be 100kmph for entire trip.

[Animation]

The text in the animation is replaced by a table. A red box highlights the battery present column of the table.

[Team Member]

The biggest change in this time is that we don't have to just think about our prototypes now. We have to think about the global changes around us and minimise the carbon footprints and to maximise the electric mobility in as efficient way as possible. It was important as a team to step forward and to be a part of this change in the world. There has been a lot of challenges we had to face, but the biggest among them being describing your idea to the panel of judges in a few amount of words and minutes.

[Text displays]

The biggest change in this time is that

we don't have to just think about our prototypes now.

We have to think about the global changes around us and

minimise the carbon footprints and

to maximise the electric mobility in as efficient way as possible.

It was important as a team to step forward and to be

a part of this change in the world.

There has been a lot of challenges we had to face,

but the biggest among them being describing your idea

to the panel of judges in a few amount of words and minutes.

[Animation]

Yellow, teal and grey blocks of colour move up the screen to reveal a yellow background with five lines of grey dots moving like waves.

[Text displays]

What has your team learned?

[Animation]

Yellow, teal and grey blocks of colour move up the screen to return to the video conference display.

[Video Footage]

Footage of the team members in the video conference format, followed by a montage of photos of the individual team members.

[Team Member]

The one thing that we have collectively learned from Pitch the Future is no such pandemic can stop you from thinking innovatively. Even though you are far away from each other, you just have to keep yourself composed and motivated.

[Text displays]

The one that we have collectively learned from Pitch the Future is

no such pandemic can stop you from thinking innovatively,

even though you are far away from each other,

you just have to keep yourself composed and motivated.

[Animation]

Yellow, teal and grey blocks of colour move up the screen to reveal a yellow background with five lines of grey dots moving like waves.

[Text displays]

Why are you proud of your team?

[Animation]

Yellow, teal and grey blocks of colour move up the screen to return to the video conference display.

[Video Footage]

Footage of a team member speaking to camera.

[Animation]

Cuts to the  animation from the team pitch video. The bottom of the screen shows a stylised depiction of a car driving past buildings at night. The car passes an electric vehicle charging point with a sign saying Welcome to Khon Kaen. The top of the screen shows the interior of a car with an image of an EV route planner superimposed. The left screen of the route planner provides details of charging stops. The route is shown on a map on the right screen of the route planner.

The animation changes to show the car continuing to drive, but it is now daytime. A green battery symbol is fully charged. The top part of the screen shows a diagram indicating the charge, discharge process.

[Video Footage]

Cuts back to video of the team member who is speaking, and then all five team members.

[Team Member]

We are proud of our team's achievement as this challenge is completely based on electric mobility, which was something new for us. It doesn't matter what background you are from. It's just the belief that shall keep you going ahead. We did it. We achieved it.

[Text displays]

We are proud of our team's achievement as this challenge is

completely based on electric mobility,

which was something new for us.

It doesn't matter what background you are from,

it's just the belief that shall keep you going ahead.

We did it, we achieved it.

[Animation]

Yellow, teal and grey blocks of colour move up the screen to reveal a yellow background with five lines of grey dots moving like waves.

[Text displays]

3 words you think best describe Pitch the Future?

[Animation]

Yellow, teal and grey blocks of colour move up the screen to return to the video conference display.

[Video Footage]

Footage of a team member speaking to camera. Cuts between the different team members and the whole group.

[Team Members]

I would like to use our team name as an acronym. Exploration, team work, aspiration.

[Text displays]

I would like to use our team name as an acronym…

Exploration.

Team work.

Aspiration.

[Video Footage]

Cuts back to Team ETA smiling and waving into the camera.

[Audio]

Shell jingle

[Graphic]

Shell Pecten centred on the background of yellow, teal, grey cogs turning.

[Text displays]

#MakeTheFuture

#ShellEcoMarathon

© Shell International Limited 2020

Mathematical Modelling

Firstly, by using mathematical modelling, the team proposes various improvements that can better measure the accuracy of:

  • Range
  • Battery consumption
  • Recharging stop selection
  • Charging time estimation

Part of this involves using the model to determine the temperature dependent range of the vehicle at any given time, which can affect both battery storage and energy efficiency, since maintaining the battery’s optimum temperature can help to improve: capacity; charging length; range; longevity; and safety.

The modelling can also be scaled by being used as back-end architecture for a user-friendly mobile app, which would provide valuable insights to the individual user.

Battery Optimisation

To tackle the battery optimisation element of the challenge, the ETA team proposes a modification to the cell chemistry of the battery in order to overcome the issue of range anxiety. This helps to:

  • Reduce the risk of cell damage
  • Ensure cell stability
  • Protect occupant safety

While balancing the cooling and heating circuits within the battery pack helps to fulfil general performance requirements.

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