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Abstract：
The successful commercialization of algal biophotovoltaics (BPV) technology hinges upon a multifaceted approach, encompassing factors such as the development of a cost-efficient and highly conductive anode material. To address this issue, we developed an environmentally benign method of producing reduced graphene oxide (rGO), using concentrated Chlorella sp. UMACC 313 suspensions as the reducing agent. The produced rGO was subsequently coated on the carbon paper (rGO-CP) and used as the BPV device\'s anode. As a result, maximum power density was increased by 950% for Chlorella sp. UMACC 258 (0.210 mW m-2) and 781% for Synechococcus sp. UMACC 371 (0.555 mW m-2) compared to bare CP. The improved microalgae adhesion to the anode and improved electrical conductivity of rGO brought on by the effective removal of oxygen functional groups may be the causes of this. This study has demonstrated how microalgal-reduced GO may improve the efficiency of algal BPV for producing bioelectricity.
摘要：
藻类生物光伏（BPV）技术的成功商业化取决于多方面的方法，包括诸如开发具有成本效益和高导电性的阳极材料等因素。为了解决这个问题，我们开发了一种生产还原氧化石墨烯(rGO)的环境友好方法，使用浓缩小球藻sp。UMACC313悬浮液作为还原剂。随后将所产生的rGO涂布在碳纸(rGO-CP)上并用作BPV装置的阳极。因此,小球藻的最大功率密度增加了950%。UMACC258（0.210mWm-2）和神经球菌的781%。UMACC371(0.555mWm-2)与裸CP相比。通过有效去除氧官能团带来的改善的微藻对阳极的粘附和改善的rGO电导率可能是造成这种情况的原因。这项研究证明了减少微藻的GO如何提高藻类BPV产生生物电的效率。
