Introduction to New Products for China

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Meeting the Growing Needs of the Chinese Market

Establishment of a Manufacturing
Base in China for High-Performance Solar Cell Conductive Paste Business

To date, Kyoto Elex has developed and manufactured various high-performance conductive pastes for electronic parts and solar cells.
Of these pastes, our conductive paste for HJT solar cells has earned high praise from a wide range of customers. We are dedicated to developing and providing this paste to various solar cell manufacturers in the United States, Europe, China, and East Asia.
To do so, we are planning to establish a manufacturing base in China in response to the rapid growth of our Chinese customer base.
We expect high-performance conductive pastes manufactured at this base to be available next year and look forward to sharing them with the world.

New HJT Paste

Advanced low temperature paste for HJT solar cells

DD-1760 Series

我们的HJT银浆面向全球客户的需求
Our HJT paste targets worldwide customer requirements

开发路线图 Road Map

Gen.1 Gen.2 Gen.3
Single print Dual/Double print Single print Dual/Double print
DD-1760L-359 DD-1760Q-116 DD-1760R-103 DD-1760F-131 DD-1760Q-132 DD-1760R-104
Remarks Standard Low resistivity High peel strength High-speed printing
Fine line
Low resistivity
High-speed printing
Fine line
High peel strength
Wide process window
Volume resistivity *1 ×10-6Ω・cm 5.0 ~ 7.0 4.5 ~ 5.5 7.0 ~ 9.0 4.5 ~ 6.5 4.0 ~ 5.0 7.0 ~ 9.0
Tab peel strength *2 N/mm 0.5 ~ 1.0 - 1.0 ~ 2.0 0.5 ~ 1.0 - 1.5 ~ 2.5
Printing speed mm/s 100 ~ 150 150 ~ 200 100 ~ 150 200 ~ 250 200 ~ 250 150~200

Application for Multi-busbar R-104

Wide process window

Suitable for various
solder compositions

High speed printing
Fine line printing
F-131/Q-132

Signlificantly Increased ine resistance

Saving silver paste usage
Q-132/R-104

L-359 Double print

Saving silver paste
L-359 Double print vs Q-132/R-104 Dual print

New DD-1960A Series

叠瓦用途的导电胶

Conductive paste for shingling application

DD-1960A Series

我们的产品在太阳能组件中表现出高性能
Our product provide high performance of Solar module

点胶特性Dispensing property

Jet Dispensing_φ200um
(DD-1960A-537 vs DD-1960A-877

Improved continuous dispensing
(more than 4 times of our conventional product)

BiliBili

YouTube

印刷特性Printing property

Stencil printing_250um
(DD-1960A-537 vs DD-1960A-900

Suppresses expansion after wafer stacking
Wafer stacking width can be reduced

① Module power output is improved by changing the module design. 
② Saving silver paste usage.

Module power gain about 11W or 3.2% when the overlap width is suppressed by 50%

High Adhesive strength
(DD-1960A-537 vs DD-1960A-900

Adhesive strength of 250um width comparable to conventional product of 500 um width
Wafer stacking width can be reduced

Reliability

DD-1960A-900 MiniModuleThermal cycles
-40°C/90°C, P-PERC, 3modules average

EL images

Characteristic features

Product name Application
method
Advantages Silver content
(%)
Viscosity *1
(Pa・s)
Volume resistivity *2
(120°C-10min)(Ω・cm)
Adhesive strength *3
(120°C-10min)(MPa)
Glass transition
temperature(°C)
E’-modulus at
-50°C(MPa)
E’-modulus at
-25°C(MPa)
DD-1960A-537 Jet
Stencil
Screen
Conventional 60〜64 20〜60 3×10-3 8 10 2200 40
DD-1960A-877 Jet Good Dispensing
property
60〜64 30〜70 1×10-3 7 -5 2000 5
DD-1960A-900 Stencil
Screen
Low bleeding,
High Adhesive strength
60〜64 20〜60 2×10-3 15 20 2200 110

*1 Toki Sangyo TVE-35H viscometer, 1rpm, 25°C *2 Screen printing on alumina substrates and cured at curing process *3 Al/conductive paste/alumina substrate

Questionnaire / Online Technical Consultation Request

We would appreciate your taking a moment to answer a few questions about our new products.
Please note that we also provide online technical consultations, so feel free to let us know of any specific time you are available.
* The personal information you provide here will be used for announcements for new products, new technologies, exhibitions, and other relevant information.
*A red asterisk (*) indicates a required field.

(1) HJT paste



Please provide more information about your selection above.


Please provide any other questions or comments.

(2) DD-1960A Series



Please provide more information about your selection above.


Please provide any other questions or comments.

Online technical consultation

Consultation request*



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* We will be accepting consultation requests at the SNEC 2020 (August 8–11). Please contact a participating Kyoto Elex representative directly.

Trading company introduction


Main consultation topic

Name of country (or province for Chinese company)*
Company*
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Profession



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