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Environment-friendly battery conductive sealing coating

A sealing coating, environment-friendly technology, applied in the field of environment-friendly battery conductive sealing coating, can solve problems such as poor environmental protection, and achieve the effects of improving environmental protection, low contact resistance and good adhesion

Inactive Publication Date: 2016-09-28
无锡市宝来电池有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing conductive coating materia

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: An environment-friendly conductive sealing coating for batteries is composed of the following raw materials in parts by weight: 50 parts of coating base material, 20 parts of conductive agent, 15 parts of filler and 12 parts of other additives.

[0015] Further, the coating matrix material is furfuryl alcohol resin and polyvinyl acetate emulsion, and its mass part ratio is 1:3; the described conductive agent is fluorinated graphite and silver powder, and its mass part ratio is 2:1; The filler is a mixture of limestone powder, nano-hydroxyapatite powder and nano-scale diatomite; the other additives are antioxidant, dispersant, curing agent, anti-aging agent and flame retardant.

Embodiment 2

[0016] Embodiment 2: An environment-friendly conductive sealing coating for batteries, which consists of the following raw materials in parts by weight: 40 parts of coating base material, 15 parts of conductive agent, 10 parts of filler and 8 parts of other additives.

[0017] Further, the coating base material is furfuryl alcohol resin and polyvinyl acetate emulsion, and its mass parts ratio is 1: 4; the described conductive agent is fluorinated graphite and silver powder, and its mass parts ratio is 1: 1; The filler is a mixture of limestone powder, nano-hydroxyapatite powder and nano-scale diatomite; the other additives are antioxidant, dispersant, curing agent, anti-aging agent and flame retardant.

Embodiment 3

[0018] Embodiment 3: An environment-friendly conductive sealing coating for batteries, which is composed of the following raw materials in parts by weight: 60 parts of coating base material, 25 parts of conductive agent, 18 parts of filler and 15 parts of other additives.

[0019] Further, the coating matrix material is furfuryl alcohol resin and polyvinyl acetate emulsion, and its mass part ratio is 1:2; the described conductive agent is fluorinated graphite and silver powder, and its mass part ratio is 3:1; The filler is a mixture of limestone powder, nano-hydroxyapatite powder and nano-scale diatomite; the other additives are antioxidant, dispersant, curing agent, anti-aging agent and flame retardant.

[0020] For an environment-friendly conductive sealing coating for batteries described in the above-mentioned embodiments 1-3, the raw materials are prepared according to the above-mentioned parts by mass, and the conductive coating material of the present invention is obtaine...

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PUM

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Abstract

The invention discloses an environmentally friendly battery conductive sealing coating, prepared from the following raw materials in parts by weight: 40-60 parts of coating matrix materials, 15 to 25 parts of conductive agent, 10 to 18 parts of filler and 8 to 15 parts of other auxiliaries. Through reasonable proportioning of the raw materials and the verification of a large number of experiments, the environment-friendly battery conductive sealing coating provided by the invention has the advantages that excellent adhesive force and lower contact resistance are achieved, the use amount of adhesives can be effectively reduced, and the environmental friendliness of battery manufacture is improved; the conductive coating provided by the invention contains no methylbenzene and dimethylbenzene with high toxicity, and has a better sealing effect at the same time.

Description

technical field [0001] The invention relates to the technical field of battery processing materials, in particular to an environment-friendly conductive sealing coating for batteries. Background technique [0002] With the development of lithium iron phosphate battery, because it has the possibility of becoming an automobile power battery, it has been continuously concerned by all parties. Due to its own characteristics, the rate type lithium iron phosphate material is developing towards nanometerization, which makes its processing performance change. Poor, in order to improve its processing performance, reduce the electrode sheet resistance or battery internal resistance, conductive coating technology began to be applied on a large scale, and thus developed to be more specialized, and extended to other related industries. [0003] Conductive coating is also called pre-coating. In the lithium battery industry, it usually refers to a layer of conductive coating coated on the ...

Claims

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Application Information

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IPC IPC(8): H01M10/0525H01M4/66
CPCH01M4/667H01M10/0525Y02E60/10
Inventor 陈一平
Owner 无锡市宝来电池有限公司
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