Low-temperature curing conductive silver paste with high tensile force and high conductivity and preparation method of low-temperature curing conductive silver paste

A conductive silver paste, high conductivity technology, applied in conductive materials dispersed in non-conductive inorganic materials, cable/conductor manufacturing, circuits, etc. problems such as poor leveling, to achieve the effect of promoting low-temperature curing process, enhancing leveling, and improving adhesion
CN113707363AActive Publication Date: 2021-11-26JIANGSU ZHENGNENG ELECTRONICS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU ZHENGNENG ELECTRONICS TECH CO LTD
Publication Date
2021-11-26

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Abstract

The invention relates to low-temperature curing conductive silver paste with high tensile force and high conductivity and a preparation method of the low-temperature curing conductive silver paste. The conductive silver paste is prepared from the following raw material components in parts by weight: 10-45 parts of flaky micron silver powder; 10 to 45 parts of submicron spherical silver powder; 10 to 45 parts of nanoscale spherical silver powder; 1.5 to 3.5 parts of epoxy resin; 0.35 to 0.95 part of a modifying agent; 0.35 to 1.05 parts of a dispersing agent; and 0.5-1.5 parts of non-reactive diluent. The formula of the conductive silver paste is improved, the prepared conductive silver paste is low in resistance, good in leveling property and high in tensile force, and the preparation method has the advantages of being low in cost, simple in process and low in product failure risk.
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Description

technical field

[0001] The invention relates to the technical field of batteries, in particular to a low-temperature curing conductive silver paste with high tensile force and high conductivity and a preparation method thereof. Background technique

[0002] With the continuous advancement of photovoltaic cell technology, the trend of P-type to N-type iterations will start in 2021, moving towards a higher efficiency step, with TOPCon (Tunnel Oxide Passivating Contacts) tunneling oxide layer passivating contact cells, HJT (Heterojunction with Intrinsic Contacts) Thinfilm) heterojunction cells represented by N-type technology routes have made breakthroughs one after another, and the industrialization process is expected to speed up. Compared with TOPCon, HJT has better contact resistance and passivation effect, is more suitable for thinning, has higher photoelectric conversion efficiency, and can adapt to the requirements of the next generation of laminated batteries. At prese...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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