Results and developments of the MB Pilot linesThomas Söderström , Yu Yao, Rainer Grischke, Maria Gragert, Benedicte Demaurex, Benjamin Strahm, Pierre Papet, Marcel König, Heiko Mehlich, Jun Zaho, Andreas Waltinger, S. Leu

Meyer Burger Switzerland & Germany, February 2016

PV Story

2 Meyer Burger / 04-2015

1980

2006-2010

0.3-0.4$cts/W

2020

3

Diamond wire

Bifacial HJT solar cells

Multiple Wires Connection

Higher power 329Wp

Higher reliability

Down to 30 mg silver

Thin wafers

Thin Wires

more energy

T coeff., Bifaciality$/kWh

Bifacial solar cells and modules

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HJT cell 21-23%

HJT module 290-310W

Record 329 W

HJT SWCT Roadmap 2020P

ow

er

[W]

Cost

[$cts

/W]

cell Wafer Module Bifacial

0.27 $cst/W0.59 $cst/W

300 W 437 W

DW HJT SWCT Roadmap

2020P

ow

er

[W]

Cost

[$cts

/W]

cell Wafer Module BifacialC

SE

M C

TI TA

CO

S

OF

EN

Sw

issin

no

CS

EM

CT

I D

EF

IA

ZH

AW

CT

I G

G

SU

PS

I B

FE

: E

nh

an

ce

CS

EM

CT

I W

ire

Challenge of the different scale

7 Meyer Burger / 04-2015

[m]

[mu]

~ Hair thicknessa-Si 4-10 [nm]

150 mu

Wafering Cell coating

:10’000

HELIA Tools: Hohenstein (MB Germany)

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HELiAPECVD

HJT Line Performance

Cell efficiency distribution

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Ingot position

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9,3

9,2

9,1

9,0

8,9

0,750

0,745

0,740

0,735

0,730

A_4A_3A_2A_1

0,007

0,006

0,005

A_4A_3A_2A_1

0,828

0,816

0,804

0,792

0,780

A_4A_3A_2A_1

23,5

23,0

22,5

22,0

21,5

Isc Voc Rs

FF Eff

9,0369,039

9,0869,066

0,74110,74180,74360,7442

0,005620,00574

0,005520,00575

0,80180,8024

0,808

0,8025 22,467322,563

22,813522,6508

Ingots Positions

Eff

22.5

23.0

22.0

SWCT Module line

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R2R

Stringer Matrix Assembly

Foil cutting

Glass loader

SWCT module line: Thun

12 Meyer Burger / 04-2015

13 Meyer Burger / 04-2015

Ag reduction

MB HJT PoR

MB RD

• Ag comsumption for MB bifacial cells is better than the roadmap

thanks the SWCT

HJT-SWCT @ CSEM

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Migros Schönbul

Bifacial modules

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-07-1

6

300W Glass-Glass modules with bifacial cells

Abalone SmartWire optimalAbalone SmartWire

Bifaciality 79% Bifaciality 92%

Pm

ax

285

287

289

291

293

295

297

Avg=293.0839

3.3 4.3 5.3 6.3

Cell Class

Pm

ax

296

298

300

302

Avg=299.2979

2.3

Cell Class

HJT SWCT GG

Higher energy yield (kWh/Wp and kWh/m2)

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Location: Lugano, Switzerland

Moderate Climate, average air temp. 11 ºC, module working 22°C, max 40°C

Module temperature average working 31°C, max 64°C

Period: 01.06.2014-31.12.2014

Measured independently by SUPSI

kWh/Wp c-Si multi HJT

competitor

CdTe CIGS MB

GG

Power [Wp] 262 244 79 175 288

Sum reference + 2.9% + 5.6% + 4.1% + 13.7%

Overcast reference + 0.1% + 1.9% + 0.5% + 15.4 %

MB GG Bifacial

Excellent low

light

Low temp.

Coeffi: -0.26%/K

No LID, No PID

$/kWh

300 W <=> 342Weq(equivalent)

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5DW/HJT/SWCT/GG

• Gen 1 First demonstration runs and installation => Production

• Gen 2 Thin wafer, Ag free, In free, bifacial target cost <0.3 $cts/W

UK - India Solar Day 2015, London19