Marina Navarro Segarra | Fuelium: Can a battery be designed to dissolve back into the paper recycling stream?
10:26 - 11:50
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Summary of the clip:
Can a battery be designed to dissolve back into the paper recycling stream?
The proliferation of smart packaging, which integrates sensors and electronics, poses a significant threat to the highly circular paper and cardboard recycling industry by introducing contaminating materials. This work presents a solution: an eco-designed, sticker-like battery that is fully compatible with standard paper recycling processes. The core principle is to create a "fit-to-purpose" power source where every stage of the battery's lifecycle, especially its end-of-life, is aligned with the packaging it is designed to monitor.
The technical implementation relies on carefully selected materials and advanced fabrication methods. The current collectors are created using a laser-induced patterning technique directly on a paper-based substrate, enabling precise, high-speed, and scalable electrode fabrication. The electrolyte is a novel biopolymer membrane formulated from a cellulose and alginate hydrogel blend. This same hydrogel is also used as a binder to effectively contain the redox-active species within the electrodes, ensuring all core components are sustainable and recyclable.
To meet the diverse energy requirements of different smart packaging applications, the battery's power output is enhanced through a cell stacking strategy. This demonstrates the system's adaptability and its capability to be tailored for specific energy needs. The battery's functionality was validated by successfully powering typical smart packaging components, including an electronic display and a Bluetooth low-energy tracker, confirming its viability for real-world logistics and supply chain monitoring applications.
In this short video, you can learn:
* How to create recyclable current collectors using laser-induction techniques.
* The formulation and role of a biopolymer electrolyte using a cellulose and alginate blend.
* The use of cell stacking to create energy-adaptable, recyclable batteries for smart labels.
π **Clip Abstract** This clip presents an eco-designed battery for smart packaging that is fully compatible with paper recycling. It covers the use of laser-induced current collectors, a cellulose-alginate biopolymer electrolyte, and cell stacking to power devices like Bluetooth trackers.
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#LaserPatternedCurrentCollectors, #BiopolymerElectrolyte, #CellStacking, #PaperRecyclableBatteries, #PrintedElectronics, #FlexibleElectronics
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07:33 - 09:31
How do you build a paper battery that only comes to life when you need it?
How do you build a paper battery that only comes to life when you need it?
Fuelium's core technology is a paper-based battery that remains inert until activated by water or other biological fluids like urine, blood, or saliva. This on-demand activation is a unique value proposition, as the device is not technically a battery until it is wetted, completely eliminating self-discharge issues. This feature ensures a long, stable shelf life, making it an ideal power source for single-use, disposable diagnostic devices where reliability after long-term storage is critical.
The battery is constructed from safe, sustainable materials, which allows for a clean end-of-life through incineration without the release of toxic gases or the risk of explosion. The manufacturing process is directly adapted from well-established, low-cost lateral flow assay production methods. This involves leveraging existing infrastructure for high-throughput dispensing, lamination, and cutting, enabling fabrication in both discrete card formats and continuous roll-to-roll processes for mass production.
Performance is highly scalable and can be tailored to the specific needs of an application. The energy and power output are directly proportional to the battery's physical size, allowing for precise customization. This adaptable power source has been proven to run various essential functions in portable devices, from simple temporal control and general electronics to more energy-intensive tasks like resistive heating, a crucial function for accelerating reactions in portable molecular diagnostic applications.
In this short video, you can learn:
* The operating principle of a water-activated, paper-based battery.
* How lateral flow assay manufacturing techniques are adapted for battery production.
* The scalability and application range of the technology, including powering heaters in diagnostics.
π **Clip Abstract** Learn about Fuelium's commercial paper-based battery technology, which is activated on-demand by biological fluids. This clip details its sustainable materials, scalable manufacturing process adapted from lateral flow assays, and its application in single-use medical diagnostics.
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#PaperBattery, #WaterActivatedBattery, #LateralFlowManufacturing, #RollToRollElectronics, #PrintedElectronics, #FlexibleElectronics
14:12 - 15:28
What if a battery could power itself just by evaporating water, like a plant?
What if a battery could power itself just by evaporating water, like a plant?
This clip introduces a novel power source inspired by biomimicry, specifically designed for precision agriculture applications where electronic sensors are often left in the field. To improve efficiency over previous diffusion-based designs, this battery creates a convection flow using paper-based microfluidic channels. The entire system is engineered to be fully biodegradable and compostable, minimizing the environmental footprint of distributed sensor networks in agriculture.
The unique operating principle of this "Flower Battery" is that it functions as a paper-based redox flow battery powered by evaporation. It mimics the transpiration process in plants, where water and nutrients are drawn from the roots up to the leaves. In the battery, this naturally occurring capillary and evaporative movement is harnessed to continuously transport the redox species (the battery's "nutrients") through the microfluidic channels to the electrodes, generating a sustained electrical current without any external pumps.
The technology's practical application and end-of-life credentials have been rigorously validated. The battery has been demonstrated to successfully power wireless soil sensors, which are critical components for optimizing irrigation and fertilization in modern precision agriculture. Furthermore, its compostability was tested according to standards, proving that the battery not only safely biodegrades but that the resulting compost is non-toxic and can be used to support healthy plant growth, closing the material loop.
In this short video, you can learn:
* The concept of a paper-based redox flow battery that mimics plant biology.
* How to use evaporation and paper microfluidics to create a self-pumping power source.
* The validation of a fully compostable battery for precision agriculture applications.
π **Clip Abstract** Discover the "Flower Battery," a novel, biodegradable power source that mimics plants by using evaporation to power a paper-based redox flow system. This clip explains its biomimetic design, its application for powering wireless sensors in precision agriculture, and its validated compostable end-of-life.
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#PaperRedoxFlowBattery, #EvaporationPowered, #PaperMicrofluidics, #CompostableElectronics, #PrintedElectronics, #FlexibleElectronics