GF1 - a new smart health watch with a CVD graphene touch screen

Wuxi Graphene Film, a wholly-owned subsidiary of The Sixth Elements Materials, has launched a new graphene-enhanced product in the Chinese market: The GF1 Graphene Watch. It is a smart health watch, with CVD graphene film acting as the conductive element for the touch screen (as a replacement for the usually-used ITO).

The Company kindly sent us one of these new watches to try out. So thanks! and here are our impressions: First of all, it is an attractive-looking watch, with a futuristic design and a quality feel to it. The display is a 1.3'' monochrome white OLED with a 128X64 resolution. The watch comes with an accompanying app, and includes features like pulse and heart rate monitoring, step meter, sleep quality tracking and more.

Graphenea reports a successful 2017 with $1.9 million in sales revenue and additional milestones

Graphenea reports a successful 2017, with an impressive $1.9 million in sales revenue and a number of milestones. The company reveals that production volumes were expanded for both its staple products – graphene oxide and CVD graphene. A 1 tonne per year (tpa) graphene oxide production plant has been established at Graphenea's location in San Sebastian, Spain, where new CVD graphene growth and transfer systems for 100 mm (4”) and 150 mm (6”) diameter wafers have been installed. Equipment for 200 mm (8”) is expected soon.

Graphenea lab image

The increase of production quantity was reportedly accompanied with an enhanced focus on quality and compliance - the graphene oxide product was pre-registered with the European Chemical Agency (REACH pre-registration), a necessary administrative step for producers that sell more than 1 tpa of any chemical. CVD graphene is now produced in a class 1000 clean-room, leading to record-high carrier mobility. Graphenea has also been awarded with an ISO 9001 certificate for Quality Management System.

CealTech's marketing and sales manager explains the company's technology and business

Michel Eid (CealTeach)Norway-based CealTech was established in 2012 to commercialize a patented 3D graphene production method. The company recently received its first prototype proprietary industrial-scale Plasma-Enhanced Chemical Vapor Deposition (PE-CVD) graphene production reactor.

We discussed CealTech's technology and business with the company's marketing and sales manager, Michel Eid. Michael holds a Ph.D. in Solid Mechanics from the Ecole Polytechnique in France, and held various roles in engineeing, manufacturing, sustaining, sales, marketing and business development. Michel joined CealTech in January 2017.

Q: Hello Michael. CealTech is commercializing a patented 3D graphene production method. Can you give us some details on the process and the material you are producing?

Our production process is based on David Boyd’s technique as per Nature communications (DOI: 10.1038/ncomms7620), ‘Single-step deposition of high-mobility graphene at reduced temperatures’. In summary, the substrate is directly exposed to a low-pressure, microwave hydrogen plasma containing small amounts of methane as carbon source. During this process, vertical grown graphene flakes nucleate and arrange perpendicularly to the surface of the substrate forming a so-called 3D network of non-agglomerated graphene flakes.

CealTech received its first PE-CVD graphene production unit

Norway-based CealTech was established in 2012 to commercialize a patented 3D graphene production method. The company announced today that it has received its first prototype graphene production unit (called FORZA) - an industrial-scale, Plasma-Enhanced Chemical Vapor Deposition (PE-CVD) reactor.

CealTech PECVD reactor photo

CealTech will start optimizing its first FORZA PE-CVD system in January 2018, where the production parameters will be fine-tuned to ensure consistent and effective production of high quality 3D graphene.

Samsung's "graphene balls" improve the performance and charging time of Li-ion batteries

Samsung has announced the development of a unique "graphene ball" that could make lithium-ion batteries last longer and charge faster. In fact, Samsung Advanced Institute of Technology (SAIT) said that using the new graphene ball material to make batteries will increase their capacity by 45% and make their charging speed five times faster. It was also said that batteries that use graphene ball can maintain a temperature of 60 degrees Celsius that is required for use in electric cars.

Samsung's graphene balls for batteries image

SAIT's team used a chemical vapor deposition process to grow a graphene–silica assembly, called a graphene ball. Each graphene ball is composed of a SiOx nanoparticle center and surrounding graphene layers, constituting a 3D popcorn-like structure. The graphene-ball coating improves cycle life and fast charging capability by suppressing detrimental side reactions and providing efficient conductive pathways.

XFNANO: Graphene and graphene-like materials since 2009XFNANO: Graphene and graphene-like materials since 2009