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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

4 Meyer Burger / 04-2015

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)

8 Meyer Burger / 04-2015

HELiAPECVD

HJT Line Performance

Cell efficiency distribution

9 Meyer Burger / 04-2015

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

11 Meyer Burger / 04-2015

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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5

14

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