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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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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
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.
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
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.
release time:2024-01-02 Hits: Popular:AG11 battery
Scientists from the Institute of Nanotechnology of the Italian National Research Council (CNR) and the Polytechnic University of Pali recently developed a completely transparent graphene antenna. The antenna can operate in the microwave frequency band and is expected to be used in the 5G communications field. The research results were published in Applied Physics Letters. The transparent graphene antenna developed by Italian scientists has electrical conductivity comparable to that of metal conductors, and its sheet resistance value is 18 ohms/square meter. It has been proven through theoretical calculations and experimental measurements that the antenna can operate simultaneously under a wide operating bandwidth (>3.5GHz), achieve relatively high gain, and can simultaneously cover GPS, WiFi, Bluetooth and 5G bands, which enables it to Exchange data at very high speeds. In addition, the graphene antenna's combination of transparency and flexibility also opens up avenues for the development of wearable devices. In the future, it can be directly attached to the surface of the body, or integrated into transparent devices such as smart windows or contact lenses, or even applications. into photovoltaic systems.
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