Chemistry of Go: Solar Powered Flight · PDF fileSolar cells 17 248 Battery load 630 kg ......

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Humans have ventured from the

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2016 Material Science Series “Chemistry of Go: Solar Powered Flight”



Mark Jones Executive External Strategy and

Communications Fellow, Dow Chemical

Claude Michel Solar Impulse Project

Manager, Solvay

Solvay on board

Solar Impulse

May 2016

Claude Michel

Head of the Solvay / Solar Impulse Partnership

*

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Solar Impulse: Wings of the Future 15

Fly by night as by day, around the world in a plane powered

exclusively by solar energy.

• No fossil fuels

• No emissions

• No pollution

One Vision Shared by All


Oil Li-ion

batteries

Lead

batteries

Challenge: Switching from Oil

300

35

1

Source: Jean-Marc Jancovici

1 kg oil

=

30 kg li-ion batteries!

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Challenge: Harnessing Sun Power

W/m2

1000

250 215 43 38 30

Maximum sunlight

Time and wing type

Solar cells

Motors and

systems

Propellers and

systems

Average sunlight

30 W/m2 =


An Extremely Complex Project

...reduced to a simple equation:

▪ wing surface area

▪ energy efficiency ▪ weight

generates

30 W

and keeps

8 kg airborne

1 m2 photovoltaic

wing surface area

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Solar Impulse: Wings of the Future

Wing span 72 m

Wing surface area 280 m²

Solar cells 17 248

Battery load 630 kg

Average speed 70 km/h

Total weight 2300 kg

19

Solar Impulse: Figures


Solar Impulse: Facts

Size of an Jumbo

Weight of a car

Power of a scooter

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There are 4 recurring themes:

• Energy Capture

• Energy Storage

• Optimizing energy consumption via reduction of friction

• Light weighting the structure and components

Solar Impulse: Recurring Themes


Solvay : Asking more from chemistry

• Develop alternative and sustainable energy sources

• Promote innovation and technical know-how

• Be a dedicated partner

• Foster an entrepreneurial team spirit

• Be a provider of Advanced solutions and materials

../../Users/Data/Downloads/SI movie/VIDEO_TS/VTS_01_1.VOB

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23

Audience Survey Question ANSWER THE QUESTION ON BLUE SCREEN IN ONE MOMENT

• Automotive

• Consumer goods

• Construction

• Energy efficiency

The technologies used in the Solar Impulse could be applied to which of the following areas: (pick more then one)


Lightweighting • Structure

• Metal replacement

• Non-Linear simulations

Electrification • Sun energy capture

• Electricity storage

Clean Technologies • Thermal insulation Powertrain Efficiency

• Lubrication

24

Solar Impulse and Sustainable Mobility Solvay makes the impossible possible

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Energy Capture employing Halar ECTFE film

• Protection of Photo Voltaic cells

provided by Halar®

• Wing structure of SI is waterproof and

weatherproof

• Halar ® 500 was produced thinner for SI

• Higher light transmission value

• Lower in weight

• Better adhesion to the PV structure


Assuring Weather Sealing

• Wing structure is flexible

• PV panels must allow movement

• Halar ® protection for the photovoltaic cells

• Solstick PVDF Solef ® closes gaps between Halar ® cover panels

• Allow for expansion

• Prevents ingress of water to inner wing area

• Makes wing completely weatherproof while allowing minor movement

Innovative product developed exclusively for Solar Impulse

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Energy Storage

• Critical component within the

propulsion system

• Largest contributor to overall

aircraft weight (25%)

• Binder for the electrodes

• Electrolyte

This results in higher capacity, improved

calendar life of secondary Lithium ion

batteries and improved safety.


Optimization of Energy Consumption

• Critical component within the propulsion system

• Reduces wear between propeller transmission

shaft

• Dry, no lubricant

• Replaces metallic bearings

• Weight savings

Materials approach

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Lubrification approach

• Reduction of friction between

moving parts

• Use of Fom blin grease (propeller

bearings)

• Use of Fomblin liquid lubricants

was expanded to the propeller

motor f

• Proprietary additives enhance anti-

wear and rust prevention capability

Optimization of Energy Consumption


Wing skin

Cockpit

Chemistry and technology for weight reduction without loss of mechanical performance

Instrument panel

and control box

Mechanical

parts

Materials: Weight

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Egg-shaped Cockpit


Ultra Light Design

32

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Ultra Light Design


Structure

Ultra Light Design

34

VTM® prepregs and VTA ® structural adhesive used in the manufacture of the large wing spar

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Via Foam structuring

• Structural materials inspired by nature: like bone, TegraCoreTM is a cellular material mostly used with rigid skins (“sandwich”)

• Based on highly successful RADEL® polymer

• TegraCoreTM sandwiches exhibits oustanding resistance and tolerance to damage and

exhibits structural and insulating performance

• Result is a material that reduces waste and speeds up the production, refurbishment and

maintenance of aircraft at a lower cost

• On board Si2 as flooring material for the cockpit

1

2

3

Impacted honeycomb glass fiber sandwich

35

Ultra Light Design and Build

TegraCoreTM carbon fiber sandwich Impacted TegraCoreTM glass fiber sandwich



SLS (Selective Laser Sintering)

3D rapid prototyping techniques are well suited to this project.

Nylon 6 “throttle box” base plate, housing and clips.

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Actuator with a polymer cylinder (IXEF® )

(landing gear door opener)


Halar®

Energy capture

Solef® PVDF Energy storage

Light w eight/metal

replacement

Polyamide® 6

Sinterline TM

1

1

For performance pilot w ear

Inflatable mobile

hangar

14

38

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39

Audience Survey Question ANSWER THE QUESTION ON BLUE SCREEN IN ONE MOMENT

• About one tenth (10%)

• About one third (30%)

• About half (50%)

• About three fourths (75%)

What is the weight of metal components on Solar Impulse (in % of total weight)


HBSI-A Material breakdown % total weight

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The extensive

use of Carbon

fibers and

associated know

how is the only

way to achieve

the high

performance

lightweight plane

structure

Carbon

Optimized

(thinnest)

monocristalline

Si PV cells

encapsulated in

plastic film offer

the best energy

conversion by

weight

Silicon

Optimized

Li-Ion batteries

offer the best

energy density

Lithium

Solvay Fluorine

chemistry brings

solutions:

Foaming agent

365mfc

Electrolyte additive

F1EC

Electrode binder,

films PVDF

Films ECTFE

Lubricants PFPE

Fluorine

The Key Chemical Elements to Success

41


First European Flights France, June 14th, 2011

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First Intercontinental Flights Morocco, June 20th, 2012


Across America May 3rd to July 6th, 2013

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45


Round The World 2016 April 23rd 2016

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Mountainous

area

High humidity

High risk

of fog

High surface

winds

High surface

winds

RTW2016 Corridor - Segment 3 - USA Driving factors: Rocky mountains, humid air coming from the Golf

of Mexico, ATC (green line = 2013 Across America path)


r D & D

A Demonstrator

48

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“I tell you,……., in life there are no solutions.

There are only motive forces, and our task is to set

them moving – then the solutions follow.”

Antoine de Saint Exupéry

(Vol de nuit)

49


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51








Manager, Solvay

52

2016 Material Science Series http://bit.ly/2016MaterialScienceSeries



Upcoming Material Science Series Webinars…

Topics and Speaker suggestions welcome!

Humans have ventured from the

depths of the ocean to the highest

peaks of the Himalayas. Discover

the materials that made it possible

to survive the inhospitable in all

types of threating environments.

The Chemistry of Comfort

New materials are having a major,

positive impact on human health.

Learn about recent technological

advancements that are spawning

biomedical devices and other tools

that are helping people live longer,

healthier, happier lives.

The Chemistry of Life

•5/4/2016

•27


53

®










54








Manager, Solvay

•5/4/2016

•28

Be a featured fan on an upcoming webinar! Write to us @ [email protected]

55

How has ACS Webinars benefited you?

®

“I am a graduate student working on Li-ion

Batteries and the processing of Carbon anode.

The Chemistry of Hello: Lithium Ion Batteries

helped me understand lots of basic questions.

I hope I can find more of these types of

presentations and webinars.”

Valerie García-Negrón,

Materials Science and Engineering Graduate

Research Student, The University of Tennessee, Knoxville

Quote in reference to: http://bit.ly/MSBatteries

56


@acswebinars

youtube.com/acswebinars

Search for “acswebinars” and connect!

•5/4/2016

•29

Benefits of ACS Membership

57

http://bit.ly/ACSjoin

Chemical & Engineering News (C&EN) The preeminent weekly news source.

NEW! Free Access to ACS Presentations on Demand® ACS Member only access to over 1,000 presentation recordings from recent ACS meetings and select events.

NEW! ACS Career Navigator Your source for leadership development, professional education, career services, and much more.

58

ACS Webinars does not endorse any products or

services. The views expressed in this

presentation are those of the presenter and do

not necessarily reflect the views or policies of the

American Chemical Society.

®


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Chemistry of Go: Solar Powered Flight · PDF fileSolar cells 17 248 Battery load 630 kg ......

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