Researchers at Binghamton University in New York have been able to create a new and very unique battery that costs just $0.05 in the form of a 3D printed paper bacteria battery.
The paper bacteria battery has been inspired by origami that has been used to create the unique folding mechanism that holds the wastewater bacteria cultures that are inserted into ‘two common inlets’ within the folds.
Innovative Design and Functionality
The innovative design of the paper bacteria battery is not just a marvel of modern engineering but also a testament to the potential of sustainable energy solutions. The origami-inspired folding mechanism is crucial as it maximizes the surface area for the bacteria to interact with the paper, thereby enhancing the efficiency of the battery. This design is both cost-effective and environmentally friendly, making it a promising solution for remote or resource-limited areas.
The research team, consisting of Seokheun “Sean” Choi, an assistant professor at Binghamton, and co-developer Hankeun Lee, a former Binghamton undergraduate, has made significant strides in the field of microbial fuel cells. These cells generate electricity through the metabolic processes of bacteria, which break down organic matter and release electrons. The electrons are then captured to produce an electric current.
The battery is capable of generating power from microbial metabolism, delivering on-board energy to the next generation of paper-based systems with one drop of bacteria-containing liquid derived from renewable and sustainable water and wastewater sources (e.g. wastewater, municipal wastes, biomass, and watershed) that are readily accessible in the local environment.
Applications and Future Prospects
The potential applications for this technology are vast and varied. One of the most exciting prospects is its use in remote or underdeveloped regions where traditional power sources are scarce or non-existent. The low cost and ease of production make it an ideal solution for providing power in these areas. Additionally, the battery’s ability to use wastewater as a fuel source means it can be deployed in areas with limited access to clean water, turning a waste product into a valuable resource.
Another promising application is in the field of medical diagnostics. Paper-based diagnostic devices are becoming increasingly popular due to their low cost and ease of use. The integration of a paper bacteria battery could provide a reliable power source for these devices, enabling them to function in remote or resource-limited settings without the need for external power sources.
Moreover, the environmental benefits of this technology cannot be overstated. Traditional batteries often contain harmful chemicals and heavy metals that can leach into the environment when disposed of improperly. In contrast, the paper bacteria battery is made from biodegradable materials and uses non-toxic bacteria, making it a much more sustainable option.
For more information on the new 3D printed paper bacteria battery, jump over to the team’s research paper website for details. The research was featured in the July issue of Nano Energy, highlighting the significant advancements made in this field.
Source: 3DP
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