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SINO TECHNOLOGY SUNBEAM GREEN POWER DATAPOWER SEONG-HEE STD

SINO TECHNOLOGY

Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .

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SUNBEAM

Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales

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GREEN POWER

Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc

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DATAPOWER

Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.

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SEONG-HEE

Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc

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STD

Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.

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3.2v 100ah lifepo4 battery.High-efficiency graphene dispersion solution: new graphene dispersant

release time:2023-10-25 Hits: Popular:AG11 battery

　　Since graphene is a planar conjugated structure composed of sp2 hybridized carbon atoms, there are very strong π-π interactions and van der Waals forces between its sheets, resulting in extremely poor dispersion, which seriously restricts the practical application of graphene. . Although traditional commercial surfactants (such as SDBS, CTAB, Triton-X, Tween80), polymer stabilizers (such as PVP, PSS, PDDA), etc. can play a certain role in dispersing and stabilizing graphene, they often cause dispersion. Problems such as large dosage of agent and low graphene concentration. Excessive dispersant dosage and too low graphene concentration are disadvantageous factors in building composite materials. Therefore, the development of new, efficient, and low-cost dispersants is an important issue that needs to be solved to achieve large-scale application of graphene. Based on this, the team of Professor Zhou Shuxue from the Department of Materials Science of Fudan University and the Advanced Coatings Engineering Research Center of the Ministry of Education carried out a series of research work and developed two new graphene dispersants, both of which showed excellent performance in the preparation of graphene composite materials. Now a brief introduction to its research results is given. The polyamino cationic perylene imide graphene dispersant uses a commonly used dye intermediate-perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) as raw material, and is mixed with a series of polyethylene polyethylene This type of graphene dispersant is obtained by refluxing the amine in toluene and acidifying it with formic acid. This dispersant has the characteristics of achieving high-concentration dispersion of graphene at a lower dosage.

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