Vollebak's new graphene jacket is priced at 595 euros ($695), not everyone can afford it. But even if half of the content advertised by its producers is true, the price is indeed worth the money. According to the company, the jacket is the world's first jacket made of graphene, with graphene that absorbs heat and many other magical properties: warm, conductive, antibacterial, and moisture-free.

Graphene is the thinnest form of graphite that can be found in everyday pencils. It is a typical two-dimensional structure with unbelievable properties of a single layer of carbon atoms and is expected to change everything from aerospace engineering to medicine. Its versatility seems to be endless: if you add enough layers, it can block bullets; it can change the color of the hair without any adverse effects; it can turn the wall into a huge fire detector; it's so strong And so flexible, graphene-coated fibers can even capture the falling plane.

Although graphene has great promise, it is difficult to industrially mass-produce, so graphene has not yet been used in consumer products. The process of developing the Vollebak jacket has undergone years of intensive research, during which the company and the team of materials scientists created the Speedo swimsuit worn by Michael Phelps in the 2008 Olympic Games.

Graphene is still very difficult to use, production costs are extremely high, and it is difficult to mass produce, so this process is not easy; even two years ago, this jacket is not likely to be made in its current form.

How do they do this?

The jacket is made of double-sided material, which the company invented during the development process. The side covered with graphene looks bronze-gray and the other side looks matte black. To create it, scientists first turned graphite into graphene “nanosheets”, which were then mixed with polyurethane to form a film. Finally, the film was combined with nylon to form the jacket material. The addition of graphene to nylon has fundamentally changed its mechanical and chemical properties: a nylon fabric that does not conduct heat is now available.

The heat transfer of graphene jackets is reversible: the interaction of graphene materials with the surrounding environment allows the wearer to enjoy the characteristics of graphene in different ways. As physicists at the Max Planck Institute have revealed, graphene challenges the basic laws of heat transfer. This means that the graphene jacket not only absorbs heat from around the body for warmth, but theoretically it can store an unlimited amount of heat, which means it can work like a radiator.

That is to say, leaving the graphene jacket in the sun, or other warm places, it can absorb heat; if you turn it over, it is like a radiator that spreads heat into the surrounding environment. Put your hand on the fabric of the jacket, then remove it and use a thermal imaging camera to shoot the jacket, which can clearly show the effect: the “shadow” of the fingerprint heat lasts for a long time after the hand leaves.

The graphene layer also redistributes heat from warm parts of the body to cooler areas to balance body temperature. The material will also disperse any additional humidity. In addition, the jacket design itself does not contain seams, its components are laser cut, and it is heat sealed, even if moisture enters the interior, the graphene material will inhibit bacterial growth. In addition to its bacteriostatic action, the graphene layer is also characterized by hypoallergenic, antistatic and non-toxic properties. The graphene layer is even conductive, and researchers have to find ways to reduce its electrical conductivity. After all, no one wants to be a walking lightning rod.

Entering the carbon age

“The second phase of the R&D process may be more interesting. We are now starting this phase. By releasing this graphene jacket, our goal is to bring graphene from research laboratories to people's lives through our research and development. ""

Designing and producing this $695 jacket is just part of the challenge. The producers of Vollebak graphene jackets hope that once people get a jacket, they will try to use it, just like the beta testers of the product and the researchers of the new application. They want to use the collective power of early adopters as a test group.

We believe that they may find things we don't even know, and users can test the material's capabilities on a large scale to see what it can do.

For example, someone can charge a mobile phone through a jacket or use the characteristics of graphene to develop other new features. User experiments can help developers learn more about the potential of materials and then develop new versions. More like a "hackathon" than a fashion design process.

Wearable technology will become more and more "invisible" in the next 10 to 20 years: it won't be worn on your eyes or wrists, but embedded in clothing that blends with existing technology. Graphene can conduct heat, conduct electricity, and withstand the impact of power, while increasing zero quality, should make it the core of the future story. A variety of interesting things can happen when clothes begin to conduct heat and conduct electricity. This means that in the next decade, clothing can begin to become a platform for other innovations.

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