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Project Topic
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A major trend in electronics is to become mechanically flexible and reach new areas in packaging, health care, intelligent industries, smart cities. Under the umbrella of internet of everything, new zero-energy devices are created on flexible substrates including an energy harvester, energy storage, Si-microprocessors, displays and sensors. While many developments are in progress to make those devices flexible or small enough to be integrated on a flexible substrate, still one key component is missing: a flexible substrate of high thermal conductivity, with efficient dielectric properties that is made of sustainable materials and production methods. “2D-Paper” proposed to combine the 2D-materials based on hexagonal boron nitride (h-BN) and nanocellulose to create a new thermally conducting paper substrate for flexible electronics. Beside a first targeted 2D-material with h-BN, we will also explore other 2D-material combinations and use artificial intelligence applied to materials to find optimum technical performances. Important technical performances will be about mechanical, dielectric, thermal, electrical properties, even optical and chemical properties will be considered as well as life cycle analysis performances. One key aspect is also the consideration of sustainability in the various parts (synthesis, manufacturing, material choice) but with an emphasises on proposing recyclability routes as those new substrates are intended to be mass produced and interfacing with the environment. In “2D-Paper”, we gather world experts of complementary skills, top notch infrastructure, from both academia and companies from Sweden, France and Slovenia to design, optimize, fabricate, characterize, and set technical specifications for flexible electronics, as well as make a proof of concept of a new thermally conducting paper substrates for flexible electronics; and specifically flexible thermoelectrics as an example of this revolutionary concept. The proposed concept is promising and besides bringing this new technology from TRL1 to TRL4, we intend as an international team to transfer knowledge to a business entity to design a new product. At the end of the project, we will decide together the best strategy to go forward and bring that technology on the market, either through our industrial partners or through a start-up company.
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