Screen printing + graphene ink solves the "flex battery" fast charge problem in one go

Screen printing + graphene ink In one move to solve the "flex battery" fast charging problem!

Screen printing flexible battery on cotton fabric

With the new development of graphene in printed electronic devices, the practicality of wearable technology continues to increase.

Recently, the University of Manchester in the United Kingdom demonstrated a new technology solution: The use of simple screen printing technology directly printed on the textile similar to flexible battery equipment, this technology solves the problem of charging the wearable device. The component known as the super capacitor is a method to realize this scheme, its function is similar to the battery, can charge fast, can finish the charging of the device in a few seconds.

Now, the availability of a solid flexible supercapacitor device has been proven. The specific operation is to use conductive graphene oxide ink to print on cotton fabric. Media previously reported 2-D Materials, which exhibit excellent mechanical stability due to the interaction between the ink and the textile substrate.

The further development of graphene oxide printed supercapacitors has stimulated the great potential of wearable technology. After more in-depth research and development, such as high-performance sportswear that monitors human health conditions, lightweight military equipment, new mobile communication devices, and even wearable computers will become reality.

In order to charge these new wearable devices, electrical energy storage systems must have high energy, high power density, good operational safety, long cycle life, low cost, and mechanical flexibility.

Dr. Nazmul Karim, a researcher at the National Graphene Institute in the United Kingdom, said: “Using simple and scalable printing technology to develop graphene flexible fabric supercapacitors is an important step in the realization of next-generation wearable electronic fabrics. It will develop a An intelligent electronic textile that can simultaneously store energy and monitor human activities and physiological conditions is environmentally friendly and efficient.”

Graphene oxide is a form of graphene that can be produced in an ink-like solution at a lower cost. This solution can be applied to textiles to create fabric supercapacitors.

Dr. Amor Abdelkader stated: “Textiles are characterized by their ductility and flexibility. We have for the first time printed a stable device that can store energy while being flexible. The device is also washable. This feature allows it to be applied to the future. Smart Clothing. We believe this work will open the door for printing other equipment on textiles using 2-D Materials inks."

The University of Manchester is currently building the Graphene Engineering Innovation Centre to strengthen research capabilities at the National Graphene Institute. The innovation center will cost 60 million pounds and will become an international research and technology base.

Nazmul Karim, a researcher at the University of Manchester, who is a researcher on the invention project, said that flexible textile batteries have created smart fabrics that not only power normal wearable devices, It can also be as flexible as ordinary cotton cloth.

The researchers said that this kind of flexible battery device can power the wearable device, which will enable the wearable product screen to be directly used in the clothing fabric to achieve better health monitoring functions and wearability of the display device.

According to the researchers, flexible textile cells are based on low-cost graphene materials. The outside uses a simple screen printing technology. The electrodes are very stable due to the strong interaction between the ink and the textile, and they have good operational safety. Sex and long cycle life, the battery itself also supports fast charging, flexible materials allow water washing.

Researchers hope that their discovery will open the door to wearable smart computers and smart cloths, and they are currently writing this research paper. The University of Manchester is currently investing 60 million pounds in the construction of a large-scale graphene plant that will be completed next year and will provide international research facilities for the International Graphene Institute (NGI).

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