MiaSolé Flexible Product and Manufacturing€¦ · IW‐CIGSTech 7 June, 2016 Munich, Germany...

IW‐CIGSTech 7 June, 2016 Munich, Germany

MiaSolé Flexible Product and Manufacturing

Atiye BaymanJune 23rd, 2016

IW‐CIGSTech 7 June, 2016 Munich, Germany © 2016 MIASOLE. ALL RIGHTS RESERVED.

Outline

► MiaSolé Hi‐Tech Introduction► The Product► Manufacturing Accomplishments► Summary

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► Manufacturer of solar products and solar equipment supplier based in the Silicon Valley

► Innovating with thin‐film solar for over ten years► Allowing people to place solar cells where they previously couldn’t:

– Curved and unreinforced roofs–Unusual structures such as food trucks, buses and boats–Off‐grid flexible materials such as awnings, tents, jackets and portable cell phone chargers

MiaSolé Hi‐Tech Introduction

3 © 2016 MIASOLE. ALL RIGHTS RESERVED.

IW‐CIGSTech 7 June, 2016 Munich, Germany © 2016 MIASOLE. ALL RIGHTS RESERVED.4

Proven Technology

All third party logos owned by their respective owners

► In production since 2009► Over 80 MW generation capacity across >30 customers in North America, Europe, Asia and Africa

► Representative Projects:

Universal Solar

Jan 20122 MWp

Free FieldIndia

2009‐Dec216 KWpFree Field

California, USA

2010‐Aug212 KWpFree FieldPortugal

2010‐Jun779 KWpFree FieldGermany

2010‐Sep77 KWpFree FieldTexas, USA

2010‐Oct247 KWpFree FieldFrance

2010‐Nov6.67 MWpFree FieldGermany

2011‐20125+ MWp (20‐150KWp projects)RooftopGermany

2011‐Jun1.0 MWpFree FieldWales

2011‐Apr2.8MWpFree Field

Italy

2011‐Nov11.1 MWpFree FieldGermany

2011‐Nov2.0 MWpFree FieldMA, USA

Oct 20125+ MWp

Free FieldIndia

KSK Oct 201311.6 MWp

Free FieldIndia

2011‐Nov2.0+ MWpCommercial CA, AZ USA

Apr 20132 kWp

NSW Australia

Dec 201310 kWp

Columbus, MO


Outline


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MiaSolé Flexible Product

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FLEX–02N SERIES

FLEX–02W SERIES

Width Length Weight Power Range

0.37m 2.60m 2.0kg 100 to 130 W

0.37m 5.92m 4.3kg 265 to 305 W

Width Length Weight Power Range

1.00m 2.60m 5.1kg 340 to 380 W


MiaSolé Cell Technology

Ultrawire Interconnect

CIGS cell on stainless steel substrate

Advantages:► Flexible► Lightweight► Size can be modified to fit

application► High power density

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MiaSolé Cell Interconnect

► Low resistance Collection Grid► Redundant wires provide distributed interconnect between cells► No solder joints, welding, or screen printing required

Solar Cell #1

Solar Cell #2

Cell interconnect provided by UltraWireTM.

Solar Cell #1 Solar Cell #2 Solar Cell #3

Current Path

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Cell Fabrication

cutBack contact

Steel Foil

CIGS Buffer TCO1 TCO2 TCO3

Film growth

Slit

Interconnect & Test

Single interconnected vacuum chamber ‐ no air break between layers

All layers formed by high deposition rate sputtering process over 1 meter wide substrate

Incoming material to full stack in ~50 minutes

Cells finished with low resistance collection grid (UltraWire™)

IV data from all cells (100% sampling) within 10 minutes of full stack exit

All PVD Deposition using Roll Coater

Steel foil in

Steel foil out

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–Same flexible MiaSolé cells are used for both glass and flexible modules

Product design is similar to rigid product, the front and back barriers change from glass to polymer.

Top Glass

Encapsulant

EncapsulantCells

Back Glass

Encapsulant

EncapsulantCells

Polymer

Flex Backsheet

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Flexible Product Design

Front Barrier

Back Al Barrier

Glass

GlassEdge SealEdge Seal

Glass Module Flexible Module


Barriers: Must Protect the Cells

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Cells

Front Barrier

Back Barrier

Edge Seal

Accelerated reliability testing is used to verify product durability


► MiaSolé modules meet certification standards of IEC 61646 for damp heat testing (1000 Hours) and thermal cycle (200 cycles).

► Stable performance is demonstrated to 3 times IEC standard for both flexible and glass product.

► Flexible product performance parallels performance of glass product, demonstrating effective encapsulation.

Endurance Testing – Damp Heat and Thermal CycleInitial Characterization:

Flash test and light soak

Light Soak

Post Characterization

Damp Heat (85C/85%RH)

ORThermal Cycle (‐40C to 90C)

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IEC 61646 StandardIEC 61646 Standard

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IEC 61646 StandardIEC 61646 Standard

© 2016 MIASOLE. ALL RIGHTS RESERVED.


Outline


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Flexible Module Manufacturing Performance

► Santa Clara factory production

► Product efficiency distribution reported for Q2 2016 to date.

► Tight distribution ► 98.4% of the product

distribution has over 15.0% efficiency

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Product aperture area efficiency distribution


Manufacturing accomplishments

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SS width 1m

Cell size 109.2 sq cm

Average cell eff. 14.8%

Strip eff. max and min max 15.2%; min 13.7%

Strip eff. range 1.5%

Cell Efficiency (%) color scale

Stri

p co

unt f

or 1

m S

S w

idth

Time through tool

Process and hardware enhancements

Improved Performance

SS width 1m 1m

Cell size 109.2 sq cm 136.5 sq cm

Average cell eff. 14.8% 15.9%

Strip eff. max and min max 15.2%; min 13.7% max 16.2%; min 15.6%

Strip eff. range 1.5% 0.6%


MiaSolé Best Efficiency Measurements

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1.07m2 module1611 x 655 mm

Mini Cell Rigid Module Flexible Module

0.49m2 module

Internal Measurements only, not verified by third party

15.76% Full area efficiency

17.1% Aperture efficiency

168.8W,1.07m2 module

Voc = 25.6VIsc = 9.17AFill Factor = 73% Vmax = 20.7VImax = 8.15A

Spire 4600SLP IV System


Spire 4600SLP IV System

PMax (W) Eff (%) Voc (V) Isc (A) FF (%)

52.18 17.38 15.16 4.67 0.74

Efficiency 18.84%

Jsc 34.0 mA/cm2

Voc 0.713 V

FF 0.776

1.0 sq cm


5.9m Long 1.3m Wide Flex Module

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•Module Configurations:

•4 strings, 132 cells each

•Pmax: 1,194W

•Aperture Efficiency: 16.6%



Outline


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Summary

► Miasolé manufactures light weight flexible product in volume with world’s highest conversion efficiency.

► MiaSolé’s light weight flexible product shows good performance and durability that parallels glass product.

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MiaSolé Flexible Product and Manufacturing€¦ · IW‐CIGSTech 7 June, 2016 Munich, Germany...

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