Focus IssuesSubmission Deadline: December 26, 2017

The Journal of The Electrochemical Society Focus Issue on Ubiquitous Sensors and Systems for IoT is currently accepting manuscripts.

Ubiquitous sensors are becoming an integral part of Internet of Things (IoT) applications, and progress in this domain can be seen each month. The promise is that everyone and everything will be connected via wireless data collection, and services like healthcare will be brought to everyone, everywhere, anytime, for virtually any need.

These devices sense the environment and provide applications in home automation, home safety and comfort, and personal health. At a macro level they provide data for smart cities, smart agriculture, water conservation, energy efficiency industry 4.0, and Society 5.0.

Other applications include supply chain management, transportation, and logistics.

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BatteryThe consumer demand for seamless, integrated technology is on the rise, and with it grows the Internet of Things, which is expected to grow to a multitrillion-dollar market by 2020. But in order to develop a fully integrated electronic network, flexible, lightweight, rechargeable power sources will be required.

A team of researchers from Ulsan National Institute of Science and Technology is looking to address that issue, developing inkjet-printed batteries that can be modified to fit devices of any shape and size. The team reports that the newly developed inks can be printed onto paper to create a new class of printed supercapacitors.

(READ: Rise of Cyber Attacks: Security in the Digital Age)

This from Ulsan National Institute of Science and Technology:

The process involves using a conventional inkjet printer to print a preparatory coating—a ‘wood cellulose-based nanomat’—onto a normal piece of A4 paper. Next, an ink of activated carbon and single-walled nanotubes is printed onto the nanomat, followed by an ink made of silver nanowires in water. These two inks form the electrodes. Finally, an electrolyte ink—formed of an ionic liquid mixed with a polymer that changes its properties when exposed to ultraviolet light—is printed on top of the electrodes. The inks are exposed at various stages to ultraviolet irradiation and finally the whole assembly is sealed onto the piece of paper with an adhesive film.

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Sensors

Sensors detect and measure changes in position, temperature, light, etc. and they are necessary to turn billions of objects into data-generating “things” that can report on their status, and in some cases, interact with their environment.

With countless companies adopting the ever growing technology that is the Internet of Things (IoT), it is expected to grow to a multitrillion-dollar market by the year 2020.

The basic concept of IoT is to bring as many things into the digital fold as possible and create an ultimate sense of interconnection through hardware and software – but most importantly, through sensors.

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