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Development and demonstration of flexible
multifunctional ETFE module for architectural
façade lighting
ETFE-MFM Project
Integrating PV into a Textile Architecture to Power Façade Lighting
Private R&D technological center
(http://www.itma.es)
Parque Tecnológico de Asturias
Llanera (Asturias)
Parque Empresarial PEPA,
C/ Calafates, Parcela L-3.4
Avilés (Asturias)
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Private R&D technological center
Supported by 40 companies and 4 public institutions
80 people working on technology projects
Field of activity: MATERIALS SCIENCE AND TECHNOLOGY
(http://www.itma.es) 2
R&D Areas
(http://www.itma.es)
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Photonics Area
Development of thin film solar modules
on different substrate materials
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Electronics Area
Smart textiles and touch sensitive surfaces
Indoor lighting
Carbon and silver
nanostrutures based
coatings for medical,
defense and
automotive uses
Heated
seats
Multifunctional gloves
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LED lighting and PV devices integration
in building materials
Photonics + Electronics Areas
Dimensions: 1.2m x 0.7m x 0.15m
Number of LEDs: 646
Semitransparent PV technology based
on amorphous silicon
Electronic control: management of
power generated/supplied
Wireless communication (lighting
and/or displays)
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The research leading to these results has received funding from the European Union Seventh
Framework Programme (FP7/2007-2013) under Grant Agreement nº 322459
To provide a PV module with embedded additional
functionalities designed to be used in ETFE textile
architecture for BIPV applications
ETFE-MFM Project
(www.etfe-mfm.eu)
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The research leading to these results has received funding from the European Union Seventh
Framework Programme (FP7/2007-2013) under Grant Agreement nº 322459
• General budget: 3,203,221.00€
• EU contribution: 2,085,692.00€
• Project duration: 48 Months
• Start date: December 2013
• End date: December 2017
ETFE-MFM Project
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PV MODULES LED DEVICES
INTEGRATED
CIRCUITS
ETFE-MFM Project: Aim of the Project
ETFE
ARCHITECTURE
The basic idea behind
ETFE-MFM is to enhance
the use of BIPV in
construction industry and
to provide new
architectural facade
lighting possibilities
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ETFE
(Ethylene tetrafluoroethylene)
ETFE
ARCHITECTURE
ETFE-MFM Project: Aim of the Project
Allianz Arena Stadium
(Munich, Germany)
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ETFE
(Ethylene tetrafluoroethylene)
ETFE
ARCHITECTURE
Allianz Arena Stadium
(Munich, Germany)
ETFE-MFM Project: Aim of the Project
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PV MODULES
Classification of PV solar cells
ETFE-MFM Project: Aim of the Project
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PV MODULES
FLEXIBILITY
Single layer units Cushion units
Tensioning structure Curved structures due to
pneumatically stretched
ETFE-MFM Project: Aim of the Project
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PV MODULES
Classification of PV solar cells
X X X
X
ETFE-MFM Project: Aim of the Project
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PV MODULES
COMMERCIAL
AVAILABILITY
ETFE-MFM
Demonstration Project
Market implanted:
use of commercial flexible PV
modules required
ETFE-MFM Project: Aim of the Project
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PV MODULES
Classification of PV solar cells
X X X
X X X X
X
(Market implanted only
using glass as substrate)
X
ETFE-MFM Project: Aim of the Project
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PV MODULES EFFICIENCY
Minimize the PV area required in order to let the most possible amount
of sunlight radiation enter through the façade
PV TECHNOLOGY MODULE EFFICIENCY (%)
Silicon based thin film (Triple Junction) 7.2%
CIGS 13.4%
ETFE-MFM Project: Aim of the Project
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PV MODULES
Classification of PV solar cells
X X X
X X X X
X
(Market implanted only
using glass as substrate)
X X X
X X
ETFE-MFM Project: Aim of the Project
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PV MODULES
FLEXIBLE CIGS
TECHNOLOGY • Flexibility → curved and stretched ETFE foils • Commercial availability → demonstration project • Efficiency → high energy consumption
ETFE-MFM Project: Aim of the Project
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LED DEVICES
ETFE-MFM Project: Aim of the Project
NEOPIXEL WS2812 RGB-LED
• Wires minimization
• Module transparency improvement
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INTEGRATED
CIRCUITS
ETFE-MFM Project: Aim of the Project
Maximum Power Point Traker
One IC per LED
Serial connection
(least wiring configuration)
LED CONTROL
MPPT BATTERY
MANAGEMENT
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ETFE-MFM Project: State-of-the-Art
ETFE + PV
AWM Carport
(Munich, Germany)
SolarNext AG
LIMITATIONS
- No real BIPV
- No standardized elements
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UNIQLO Shinsaibashi
(Osaka, Japan) Allianz Arena
(Munich, Germany)
Millennium Dome
(Valladolid, Spain)
ETFE + lighting
ETFE-MFM Project: State-of-the-Art
25.344 long-life
fluorescent
tubes
Fluorescent tubes lighting LED lighting
Displays (media facade systems)
LIMITATIONS
- High energy consumption
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PV + LED lighting
GREENPIX Project: Integration of Crystalline Silicon Solar Cells into a Glass Curtain Wall
2292 color RGB-LEDs light points
comparable to 2200m2 monitor screen
OSRAM LEDs sits 61cm behind the glass
panels (separation between LEDs: 1m)
Xicui entertainment complex
(Beijing, China)
(Zero Energy Media Wall by Simone Giostra & Partners and Arup)
ETFE-MFM Project: State-of-the-Art
LIMITATIONS
- LED and PV devices are not integrated into a unique
module
- Only for rigid structures
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ETFE+PV
ETFE+lighting
PV+LED lighting
ETFE+PV+LED (Power and control
electronics included)
ETFE-MFM
Multifunctional Unit
PV and LED
encapsulation in
ETFE
Assembly of the ETFE+PV+LED
to the mounting structure for
single layer or cushion
ETFE-MFM
Facade System
Architectural
integration system
and procedure
ETFE-MFM Project: Progress Beyond the State-of-the-Art
STATE-OF-THE-ART PROGRESS BEYOND THE STATE-OF-THE-ART
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ETFE-MFM Project: Final Objetive
Installation at ITMA facilities
To establish a standardized monitoring
system for ETFE-MFM
18 Months monitoring
DEMONSTRATOR DEVELOPMENT
Structure composed by individual ETFE-MFM modules
4 modules: (2m x 2m) each with different configurations
16m2 demonstrator area
MONITORING AND VALIDATION
ITMA building
(eastern facade)
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ETFE-MFM Project: First Mock-Up
Presented at:
ENERGY FORUM on Advanced Building Skins
28-29 Oct 2014 (Bressanone, Italy)
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R2R manufacturing
Printed electronics (conductive inks)
ETFE-MFM Project: Current Developments
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