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Flexible Two-in-one Micro Sensor for Integration in Vanadium Redox Flow Battery

机译:集成于钒氧化还原液流电池中的灵活的二合一微传感器

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The important physical parameters inside the vanadium redox flow battery (VRFB) are difficult to bemeasured accurately. They have critical influence on the vanadium redox battery performance and lifecycle. Due to the uniformity and expendable nature of solution distribution, it will cause thephenomenon of uneven temperature distribution during the power generation process. As the vanadiumpentoxide molecules are solid at normal temperature, once they are formed, the flow of vanadiumelectrolyte is affected severely. Particularly, the runner is even blocked, so that the heat carried awayby the electrolyte flow is reduced, and inside the vanadium redox flow battery temperature risescontinuously. However, the present bottleneck is outside, theory and simulation. The real informationinside the vanadium redox flow battery cannot be obtained accurately and instantly. Therefore,according to the demand for internal in-situ microscopic diagnosis of vanadium redox flow battery,this work applied the micro-electro-mechanical systems (MEMS) technology to develop a flexibletwo-in-one (temperature and flow) micro sensor, which is embedded in the vanadium redox flowbattery for in-situ microscopic sensing and diagnosis.
机译:钒氧化还原液流电池(VRFB)内部的重要物理参数很难准确测量。它们对钒氧化还原电池的性能和寿命有至关重要的影响。由于溶液分布的均匀性和消耗性,在发电过程中会引起温度分布不均匀的现象。由于五氧化二钒分子在常温下为固体,一旦形成,钒电解质的流动就会受到严重影响。特别地,流道甚至被阻塞,从而减少了由电解液流带走的热量,并且钒氧化还原液流电池内部的温度连续升高。但是,当前的瓶颈在理论和模拟之外。钒氧化还原液流电池内部的真实信息无法准确,即时地获得。因此,根据对钒氧化还原液流电池内部显微诊断的需求,本研究应用微机电系统技术开发了一种灵活的二合一(温度和流量)微传感器,该传感器嵌入在钒氧化还原液流电池中,用于原位显微传感和诊断。

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