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- Title
Experimental Study of Microalgae Cultivation under Selective Illumination by Ag/CoSO<sub>4</sub> for Bioelectrode Materials Preparation.
- Authors
Kai Zhu; Hao Chen; Shuang Wang; Chuan Yuan; Bin Cao; Jun Ni; Lujiang Xu; Anqing Zheng; Babadi, Arman Amani
- Abstract
Microalgae biomass is an ideal precursor to prepare renewable carbon materials, which has broad application. The bioaccumulation efficiency (lipids, proteins, carbohydrates) and biomass productivity of microalgae are influenced by spectroscopy during the culture process. In this study, a bilayer plate-type photobioreactor was designed to cultivate Chlorella protothecoides with spectral selectivity by nanofluids. Compared to culture without spectral selectivity, the spectral selectivity of Ag/CoSO4 nanofluids increased microalgae biomass by 5.76%, and the spectral selectivity of CoSO4 solution increased by 17.14%. In addition, the spectral selectivity of Ag/CoSO4 nanofluids was more conducive to the accumulation of nutrients (29.46% lipids, 50.66% proteins, and 17.86% carbohydrates) in microalgae. Further cultured chlorella was utilized to prepare bioelectrode materials, it was found that algal based biochar had a good pore structure (micro specific surface area: 1627.5314 m²/g, average pore size: 0.21294 nm). As the current density was 1 A/g, the specific capacitance reached 230 F/g, appearing good electrochemical performance.
- Subjects
MICROALGAE; BIOMASS; SPECTROMETRY; NANOFLUIDICS; CHLORELLA
- Publication
Journal of Renewable Materials, 2023, Vol 11, Issue 6, p2849
- ISSN
2164-6325
- Publication type
Article
- DOI
10.32604/jrm.2023.026317