Graphene applications

Researchers show that electrons in double-layer graphene move like particles without any mass

Researchers from the University of Göttingen, Japan's National Institute for Materials Science and Massachusetts Institute of Technology (MIT) have demonstrated experimentally that electrons in naturally occurring double-layer graphene move like particles without any mass, in the same way that light travels. Furthermore, they have shown that the current can be "switched" on and off, which has potential for developing tiny, energy-efficient transistors. 

Among its many unusual properties, graphene is known for its extraordinarily high electrical conductivity due to the high and constant velocity of electrons travelling through this material. This unique feature has made scientists try to use graphene for faster and more energy-efficient transistors. The challenge has been that to make a transistor, the material needs to be controlled to have a highly insulating state in addition to its highly conductive state. In graphene, however, such a "switch" in the speed of the carrier cannot be easily achieved. In fact, graphene usually has no insulating state, which has limited graphene's potential a transistor.

Read the full story Posted: Apr 18,2024

First Graphene to test new graphene product designed for cement with Breedon Group

First Graphene has announced a third trial with one of the United Kingdom’s largest cement producers, Breedon Group, which will test an optimized formulation of the Company’s PureGRAPH-CEM® product under full-scale production conditions. This trial builds on the work recently conducted in exclusive collaboration with Breedon at its Hope Plant, which confirmed the Company’s ability to produce graphene enhanced cement at an industrial scale.

The third trial incorporates the technical and practical experiences obtained in the first two trials to further optimize the performance of First Graphene’s graphene nanoplatelets. The trial will primarily focus on testing a new grade of graphene, PureGRAPH-CEM®, under full- scale cement production conditions at Breedon’s Hope Cement Works facility in Derbyshire, United Kingdom.

Read the full story Posted: Apr 17,2024

Researchers use graphene oxide to develop devices that could advance future cellular therapy for multiple sclerosis patients

A team from the National Hospital for Paraplegics (SESCAM), in collaboration with the Materials Science Institute of Madrid (ICMM-CSIC), has shown how new cell culture devices based on graphene oxide maintain the anti-inflammatory function of myeloid suppressor cells (MDSCs) once isolated from the donor's body. This function could be crucial for advancing cellular therapy beneficial to people with multiple sclerosis. 

"To exert their inflammation-controlling function in diseases such as multiple sclerosis, myeloid suppressor cells must maintain a very immature state. However, when extracted from the bone marrow and cultured in the laboratory, they begin to mature, losing their immunosuppressive activity, rendering them unsuitable for potential cellular therapy for patients with this type of neurodegenerative disease," explains Diego Clemente, a researcher at the National Hospital for Paraplegics and one of the lead authors of the study.

Read the full story Posted: Apr 10,2024

Graphene Trace secures £300k to tackle pressure ulcers

Graphene Trace, a UK-based startup that aims to use sensors to eradicate the problem of pressure ulcers, has been awarded a £300,000 grant by Innovate UK.

The startup believes its proprietary sensor technology for wheelchair users and hospital inpatients could reduce pressure ulcer onset by up to 95%. CEO Scott Dean said the grant will fund the creation of a prototype for its pressure ulcer prevention technology and bring it a step closer to going to market.

Read the full story Posted: Apr 05,2024

Researchers design a butterfly-inspired multisensory neuromorphic platform for integration of visual and chemical cues

It is a known fact that animals require the integration of cues collected from multiple sensory organs to enhance the overall perceptual experience and thereby facilitate better decision-making in most aspects of life. However, despite the importance of multisensory integration in animals, the field of artificial intelligence (AI) and neuromorphic computing has primarily focused on processing unisensory information. This lack of emphasis on multisensory integration can be attributed to the absence of a miniaturized hardware platform capable of co-locating multiple sensing modalities and enabling in-sensor and near-sensor processing. 

a) A simplified abstraction of visual and chemical stimuli from male butterflies and visuo-chemical integration pathway in female butterflies. b) Butterfly-inspired neuromorphic hardware comprising of monolayer MoS2 memtransistor-based visual afferent neuron, graphene-based chemoreceptor neuron, and MoS2 memtransistor-based neuro-mimetic mating circuits. Image credit: Advanced Materials

In their recent study, researchers at Penn State University addressed this limitation by utilizing the chemo-sensing properties of graphene and the photo-sensing capability of monolayer molybdenum disulfide (MoS2) to create a multisensory platform for visuochemical integration. 

Read the full story Posted: Apr 03,2024

Graphene-Info publishes a new edition of its Graphene Supercapacitors Market Report

Today we published a new edition of our Graphene Supercapacitors Market Report, with all the latest information. The supercapacitor market and industry is facing high demand and graphene is a pivotal material for this application. This new update includes many updates from various projects and research activities 

Reading this report, you'll learn all about:

  • The advantages of using graphene in supercapacitors
  • Various types of graphene materials
  • Market insights and forecasts
  • What's on the market today

The report package also provides:

  • A list of all graphene companies involved with supercapacitors
  • Prominent research activity in this field
  • Free updates for a year

This Graphene Supercapacitors market report provides a great introduction to graphene materials used in the supercapacitor market, and covers everything you need to know about graphene in this niche. This is a great guide for anyone involved with the supercapacitor market, nanomaterials, electric vehicles and mobile devices.

Read the full story Posted: Apr 02,2024

Sparc and DIT to test graphene coatings on steel infrastructure

Sparc Technologies and the South Australian Department for Infrastructure and Transport (DIT) have announced they will be trialing the Company’s ecosparc graphene enhanced coatings on steel infrastructure such as bridges and jetties in Australia. The parties have signed a trial agreement under which Sparc and the DIT will conduct collaborative field trials at the West Beach Bridge in Adelaide and the Streaky Bay Jetty on the Eyre Peninsula.

The DIT has approximately $45 billion in assets with the supply of the ecosparc enhanced expected imminently.

Read the full story Posted: Mar 28,2024

Pacific Basin announces the use of graphene-based propeller coating

Hong Kong-based Pacific Basin, one of the world's leading owners and operators of dry bulk ships, has decided to apply a graphene-based propeller coating, XGIT-PROP, across its entire fleet. 

The biocide-free hard foul release coating, developed by Canadian company GIT Coatings, has demonstrated the potential to enhance vessel performance by up to 4%, the two companies stated in a release citing data from earlier tests carried out by Stolt Tankers.

Read the full story Posted: Mar 27,2024

2D Fab joins consortium for next-gen bio-adhesives

2D Fab has become a partner of the new consortium BioGlue-Centre, a collaborative initiative to make Sweden a front runner in the development of bio-based adhesives. 

BioGlue-Centre is a collaborative effort between three universities and 12 companies, including 2D Fab. With a shared focus on advancing adhesive technologies, the Centre addresses the critical need for sustainability by accelerating the development of bio-based alternatives within the adhesive industry.

Read the full story Posted: Mar 24,2024

Researchers create graphene-integrated bioelectronic mesh for tracking multimodal excitation-contraction dynamics in cardiac microtissues

Researchers at the University of Massachusetts and Massachusetts Institute of Technology (MIT) have successfully built a tissue-like bioelectronic mesh system integrated with an array of graphene sensors that can simultaneously measure both the electrical signal and the physical movement of cells in lab-grown human cardiac tissue.

A bioelectronic mesh, studded with graphene sensors (red), can measure the electrical signal and movement of cardiac tissue (purple and green) at the same time. Image credit: UMass Amherst
 

The tissue-like mesh can grow along with the cardiac cells, allowing researchers to observe how the heart’s mechanical and electrical functions change during the developmental process. The new device can be extremely useful for those studying cardiac disease as well as those studying the potentially toxic side-effects of many common drug therapies.

Read the full story Posted: Mar 22,2024