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首页> 外文期刊>Energy Reports >The 6th International Conference on Energy and Environment Research, July 22–25, 2019, University of Aveiro, Portugal Life cycle assessment of a vanadium flow battery : A joint organization of University of Aveiro (UA), School of Engineering of the Polytechnic of Porto (ISEP) and SCIence and Engineering Institute (SCIEI)
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The 6th International Conference on Energy and Environment Research, July 22–25, 2019, University of Aveiro, Portugal Life cycle assessment of a vanadium flow battery : A joint organization of University of Aveiro (UA), School of Engineering of the Polytechnic of Porto (ISEP) and SCIence and Engineering Institute (SCIEI)

机译：第六次国际能源与环境研究会议，2019年7月22日至25日，Aveiro大学，葡萄牙生命周期评估钒流电池：Aveiro大学（UA）联合组织，波尔图的工程学院（ISEP）和科学与工程学院（SCIEI）

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摘要

Battery storage technologies have been showing great potential to address the vulnerability of renewable electricity generation systems. Among the various options, vanadium redox flow batteries are one of the most promising in the energy storage market. In this work, a life cycle assessment of a 5 kW vanadium redox flow battery is performed on a cradle-to-gate approach with focus on the vanadium electrolytes, since they determine the battery’s storage capacity and can be readjusted and reused indefinitely. The functional unit is 1 kWh stored by the battery. The initial results show that the environmental hotspots reside mainly in the structural and material components of the battery, evidencing the need for alternative or recycled materials, preferably produced locally. Since the quantity of electrolytes determine the amount of storable electricity, an analysis was conducted on the variation of the impacts with the increase of storage capacity. An alternative scenario with reused electrolytes was also performed. Results show that with the increase of storage capacity, the contribution of the electrolytes to the impacts decrease significantly by stored kWh. In the reused electrolytes scenario, impacts were reduced mainly for the Acidification and Mineral, fossil and renewable resource depletion categories.
机译：电池存储技术一直显示出解决可再生发电系统脆弱性的巨大潜力。在各种选择中，钒氧化还原流电池是能量存储市场中最有前途的电池之一。在这项工作中，对5 kW钒氧化还原流电池的生命周期评估在托架到栅极方法上进行，其专注于钒电解质，因为它们确定电池的存储容量，并且可以无限期地重新调整并重新使用。功能单元由电池存储1千瓦时。初步结果表明，环境热点主要驻留在电池的结构和材料部件中，证明了优选在本地生产的替代或再循环材料。由于电解质的数量决定了可存储的电量，因此对储存能力的增加进行了对撞击变化的分析。还进行了具有重用电解质的替代方案。结果表明，随着储存能力的增加，电解质对冲击的贡献通过储存的KWH显着降低。在重新使用的电解质场景中，影响酸化和矿物质，化石和可再生资源耗尽类别的影响。

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