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A plant-like battery: a biodegradable power source ecodesigned for precision agriculture
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2022-05-30 , DOI: 10.1039/d2ee00597b Marina Navarro-Segarra 1 , Carles Tortosa 1 , Carlos Ruiz-Díez 1 , Denis Desmaële 1 , Teresa Gea 2 , Raquel Barrena 2 , Neus Sabaté 1, 3 , Juan Pablo Esquivel 1, 4, 5
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2022-05-30 , DOI: 10.1039/d2ee00597b Marina Navarro-Segarra 1 , Carles Tortosa 1 , Carlos Ruiz-Díez 1 , Denis Desmaële 1 , Teresa Gea 2 , Raquel Barrena 2 , Neus Sabaté 1, 3 , Juan Pablo Esquivel 1, 4, 5
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The natural environment has always been a source of inspiration for the research community. Nature has evolved over thousands of years to create the most complex living systems, with the ability to leverage inner and outside energetic interactions in the most efficient way. This work presents a flow battery profoundly inspired by nature, which mimics the fluid transport in plants to generate electric power. The battery was ecodesigned to meet a life cycle for precision agriculture (PA) applications; from raw material selection to disposability considerations, the battery is conceived to minimize its environmental impact while meeting PA power requirements. The paper-based fluidic system relies on evaporation as the main pumping force to pull the reactants through a pair of porous carbon electrodes where the electrochemical reaction takes place. This naturally occurring transpiration effect enables to significantly expand the operational lifespan of the battery, overcoming the time-limitation of current capillary-based power sources. Most relevant parameters affecting the battery performance, such as evaporation flow and redox species degradation, are thoroughly studied to carry out device optimization. Flow rates and power outputs comparable to those of capillary-based power sources are achieved. The prototype practicality has been demonstrated by powering a wireless plant-caring device. Standardized biodegradability and phytotoxicity assessments show that the battery is harmless to the environment at the end of its operational lifetime. Placing sustainability as the main driver leads to the generation of a disruptive battery concept that aims to address societal needs within the planetary environmental boundaries.
中文翻译：
类植物电池：专为精准农业而设计的可生物降解电源
自然环境一直是研究界的灵感源泉。大自然经过数千年的进化，创造出了最复杂的生命系统，能够以最有效的方式利用内部和外部的能量相互作用。这项工作提出了一种深受大自然启发的液流电池，它模仿植物中的流体运输来发电。该电池经过生态设计，以满足精准农业 (PA) 应用的生命周期要求；从原材料选择到可处置性考虑，该电池旨在最大限度地减少对环境的影响，同时满足 PA 电力要求。纸基流体系统依靠蒸发作为主要泵送力，将反应物拉过一对发生电化学反应的多孔碳电极。这种自然发生的蒸腾效应能够显着延长电池的使用寿命，克服当前基于毛细管的电源的时间限制。对影响电池性能的大多数相关参数（例如蒸发流量和氧化还原物质降解）进行了深入研究，以进行器件优化。其流量和功率输出可与基于毛细管的电源相媲美。该原型的实用性已通过为无线植物护理设备供电得到证明。标准化的生物降解性和植物毒性评估表明，电池在其使用寿命结束时对环境无害。将可持续性作为主要驱动力催生了颠覆性电池概念，旨在满足地球环境范围内的社会需求。
更新日期：2022-05-30
中文翻译：
类植物电池：专为精准农业而设计的可生物降解电源
自然环境一直是研究界的灵感源泉。大自然经过数千年的进化，创造出了最复杂的生命系统，能够以最有效的方式利用内部和外部的能量相互作用。这项工作提出了一种深受大自然启发的液流电池，它模仿植物中的流体运输来发电。该电池经过生态设计，以满足精准农业 (PA) 应用的生命周期要求；从原材料选择到可处置性考虑，该电池旨在最大限度地减少对环境的影响，同时满足 PA 电力要求。纸基流体系统依靠蒸发作为主要泵送力，将反应物拉过一对发生电化学反应的多孔碳电极。这种自然发生的蒸腾效应能够显着延长电池的使用寿命，克服当前基于毛细管的电源的时间限制。对影响电池性能的大多数相关参数（例如蒸发流量和氧化还原物质降解）进行了深入研究，以进行器件优化。其流量和功率输出可与基于毛细管的电源相媲美。该原型的实用性已通过为无线植物护理设备供电得到证明。标准化的生物降解性和植物毒性评估表明，电池在其使用寿命结束时对环境无害。将可持续性作为主要驱动力催生了颠覆性电池概念，旨在满足地球环境范围内的社会需求。
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