Soil-Powered Computing

IF 3.6 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies Pub Date : 2024-01-12 DOI:10.1145/3631410
Bill Yen, Laura Jaliff, Louis Gutierrez, Philothei Sahinidis, Sadie Bernstein, John Madden, Stephen Taylor, Colleen Josephson, Pat Pannuto, Weitao Shuai, George Wells, Nivedita Arora, Josiah D. Hester
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Abstract

Human-caused climate degradation and the explosion of electronic waste have pushed the computing community to explore fundamental alternatives to the current battery-powered, over-provisioned ubiquitous computing devices that need constant replacement and recharging. Soil Microbial Fuel Cells (SMFCs) offer promise as a renewable energy source that is biocompatible and viable in difficult environments where traditional batteries and solar panels fall short. However, SMFC development is in its infancy, and challenges like robustness to environmental factors and low power output stymie efforts to implement real-world applications in terrestrial environments. This work details a 2-year iterative process that uncovers barriers to practical SMFC design for powering electronics, which we address through a mechanistic understanding of SMFC theory from the literature. We present nine months of deployment data gathered from four SMFC experiments exploring cell geometries, resulting in an improved SMFC that generates power across a wider soil moisture range. From these experiments, we extracted key lessons and a testing framework, assessed SMFC's field performance, contextualized improvements with emerging and existing computing systems, and demonstrated the improved SMFC powering a wireless sensor for soil moisture and touch sensing. We contribute our data, methodology, and designs to establish the foundation for a sustainable, soil-powered future.
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土壤动力计算
人类造成的气候恶化和电子垃圾的激增,促使计算机界探索根本性的替代方案,以取代目前电池供电、过度供应、需要不断更换和充电的无处不在的计算机设备。土壤微生物燃料电池(SMFCs)作为一种可再生能源,具有生物兼容性,可在传统电池和太阳能电池板无法解决的困难环境中使用,为人们带来了希望。然而,土壤燃料电池的开发尚处于起步阶段,环境因素的影响和低功率输出等挑战阻碍了在陆地环境中的实际应用。这项研究详细介绍了一个历时两年的迭代过程,该过程揭示了用于为电子设备供电的 SMFC 实用设计所面临的障碍,我们通过对文献中 SMFC 理论的机械理解来解决这些障碍。我们介绍了从四次探索电池几何形状的 SMFC 实验中收集的九个月部署数据,结果是改进的 SMFC 能够在更大的土壤湿度范围内发电。从这些实验中,我们总结出了关键经验和测试框架,评估了 SMFC 的现场性能,结合新兴和现有计算系统进行了改进,并展示了改进后的 SMFC 为土壤湿度和触摸感应无线传感器供电的情况。我们将贡献我们的数据、方法和设计,为可持续的、土壤供电的未来奠定基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies Computer Science-Computer Networks and Communications
CiteScore
9.10
自引率
0.00%
发文量
154
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