Biofuel synthesis from carbon dioxide via a bio-electrocatalysis system

Haoran Bi; Kai Wang; Chenchen Xu; Meng Wang; Biqiang Chen; Yunming Fang; Xinyi Tan; Jie Zeng; Tianwei Tan

doi:10.1016/j.checat.2023.100557

Biofuel synthesis from carbon dioxide via a bio-electrocatalysis system

Haoran Bi, Kai Wang, Chenchen Xu, Meng Wang, Biqiang Chen, Yunming Fang, Xinyi Tan^*, Jie Zeng, Tianwei Tan^*

^*Corresponding author for this work

School of Material Science and Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Biofuel produced by coupling electrochemical carbon dioxide (CO₂) conversion and microbial fermentation is one of the most viable alternatives to fossil fuels. It provides an effective route to mitigate global climate change and the energy crisis. In this study, a bio-electrocatalysis system was proposed in which acetic acid and formic acid were continuously catalyzed by solid electrolyte reactors and provided the carbon backbone and reducing equivalent, respectively, for the biosynthesis of β-farnesene in engineered Yarrowia lipolytica. The addition of inexpensive polyphosphates aids in the regeneration of intracellular ATP. The final engineered strain was able to accumulate a β-farnesene titer of 14.8 ± 0.23 g L⁻¹ from CO₂. The overall energy efficiency of the described bio-electrocatalysis system for biofuel production was calculated to be ∼0.75%.

Original language	English
Article number	100557
Journal	Chem Catalysis
Volume	3
Issue number	3
DOIs	https://doi.org/10.1016/j.checat.2023.100557
Publication status	Published - 16 Mar 2023

Keywords

SDG 7: Affordable and clean energy
Yarrowia lipolytica
acetate
bio-electrocatalysis system
biofuels
carbon dioxide fixation
formate
β-farnesene

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.checat.2023.100557

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title = "Biofuel synthesis from carbon dioxide via a bio-electrocatalysis system",

abstract = "Biofuel produced by coupling electrochemical carbon dioxide (CO2) conversion and microbial fermentation is one of the most viable alternatives to fossil fuels. It provides an effective route to mitigate global climate change and the energy crisis. In this study, a bio-electrocatalysis system was proposed in which acetic acid and formic acid were continuously catalyzed by solid electrolyte reactors and provided the carbon backbone and reducing equivalent, respectively, for the biosynthesis of β-farnesene in engineered Yarrowia lipolytica. The addition of inexpensive polyphosphates aids in the regeneration of intracellular ATP. The final engineered strain was able to accumulate a β-farnesene titer of 14.8 ± 0.23 g L−1 from CO2. The overall energy efficiency of the described bio-electrocatalysis system for biofuel production was calculated to be ∼0.75%.",

keywords = "SDG 7: Affordable and clean energy, Yarrowia lipolytica, acetate, bio-electrocatalysis system, biofuels, carbon dioxide fixation, formate, β-farnesene",

author = "Haoran Bi and Kai Wang and Chenchen Xu and Meng Wang and Biqiang Chen and Yunming Fang and Xinyi Tan and Jie Zeng and Tianwei Tan",

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year = "2023",

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doi = "10.1016/j.checat.2023.100557",

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AU - Bi, Haoran

AU - Wang, Kai

AU - Xu, Chenchen

AU - Wang, Meng

AU - Chen, Biqiang

AU - Fang, Yunming

AU - Tan, Xinyi

AU - Zeng, Jie

AU - Tan, Tianwei

PY - 2023/3/16

Y1 - 2023/3/16

N2 - Biofuel produced by coupling electrochemical carbon dioxide (CO2) conversion and microbial fermentation is one of the most viable alternatives to fossil fuels. It provides an effective route to mitigate global climate change and the energy crisis. In this study, a bio-electrocatalysis system was proposed in which acetic acid and formic acid were continuously catalyzed by solid electrolyte reactors and provided the carbon backbone and reducing equivalent, respectively, for the biosynthesis of β-farnesene in engineered Yarrowia lipolytica. The addition of inexpensive polyphosphates aids in the regeneration of intracellular ATP. The final engineered strain was able to accumulate a β-farnesene titer of 14.8 ± 0.23 g L−1 from CO2. The overall energy efficiency of the described bio-electrocatalysis system for biofuel production was calculated to be ∼0.75%.

AB - Biofuel produced by coupling electrochemical carbon dioxide (CO2) conversion and microbial fermentation is one of the most viable alternatives to fossil fuels. It provides an effective route to mitigate global climate change and the energy crisis. In this study, a bio-electrocatalysis system was proposed in which acetic acid and formic acid were continuously catalyzed by solid electrolyte reactors and provided the carbon backbone and reducing equivalent, respectively, for the biosynthesis of β-farnesene in engineered Yarrowia lipolytica. The addition of inexpensive polyphosphates aids in the regeneration of intracellular ATP. The final engineered strain was able to accumulate a β-farnesene titer of 14.8 ± 0.23 g L−1 from CO2. The overall energy efficiency of the described bio-electrocatalysis system for biofuel production was calculated to be ∼0.75%.

KW - SDG 7: Affordable and clean energy

KW - Yarrowia lipolytica

KW - acetate

KW - bio-electrocatalysis system

KW - biofuels

KW - carbon dioxide fixation

KW - formate

KW - β-farnesene

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DO - 10.1016/j.checat.2023.100557

M3 - Article

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SN - 2667-1107

VL - 3

JO - Chem Catalysis

JF - Chem Catalysis

IS - 3

M1 - 100557

ER -

Biofuel synthesis from carbon dioxide via a bio-electrocatalysis system

Abstract

Keywords

UN SDGs

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