The water filtration plant reportedly uses a material called Super Graphite that has been developed from graphene manufacture technologies. The plant cleans the water through four filtration cycles, processing more than 1,000L of drinkable water per day. After multiple international tests, Super Graphite has reportedly been recognized to have a superior attraction to toxic materials and better filtration rates than conventional materials used for water filtration.

The 10th Human School, where the water filtration system was constructed, educates about 700 students and has been in need of an efficient and safe drinkable water solution. This program built a combination of groundwater pumps, water tanks, and filtration systems, providing students with easy access to clean and safe drinkable water.

JoungHoon Lee, CEO of STANDARD GRAPHENE, mentioned that “It took us a long time to get to where we are today. I had a dream once where every one of you was here today. My dream was to create a material that could provide clean water to places that needed it most. Today, I’m seeing that dream come true. I hope you will also see your dreams come true by growing up healthy by drinking clean water.”

The system is considered to be the world’s first mass scale filtration system developed by graphene technology. STANDARD GRAPHENE plans to provide graphene water filters to areas in need of water. STANDARD GRAPHENE has been building partnerships with governments, companies, and NGOs with water-lacking countries in North America, South America, Africa, and Asia. STANDARD GRAPHENE is also developing graphene technologies for oil mining, livestock farming, and wastewater treatment.

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In sodium batteries, sodium-ions, rather than lithium-ions, travel back and forth between the battery’s anode and cathode to produce electricity. Sodium batteries are not able to hold as much energy, but their low cost makes them attractive for mid- to large-scale energy storage systems, such as for storing energy from solar power or wind farms. Manufacturers are also looking for ways to manufacture both lithium and sodium-ion batteries with only one type of anode material.

Using tin oxide in a battery’s anode gives it the potential to store almost three times the energy of graphite that is typically used in batteries, and it’s easy to make. However, tin oxide wears out quickly and stops working. In their study, the researchers were able to solve the degradation problem by making ultrafine nanocrystals of tin dioxide that were tightly bound to a three-dimensional graphene structure. Their hybrid structure was reportedly robust, well connected and porous, allowing for better transport of electrons and ions.

Their research shows that the material greatly improved the charging capacity and rate of both types of batteries, and the hybrid material “exhibited outstanding electrochemical performance,” according to the team. The researchers also tested the materials in a full battery.

The researchers also worked with scientists at the Department of Energy’s Pacific Northwest National Laboratory, who provided expertise on cathode materials. The research was funded by Washington State University.

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