Chapter 8. Hybrid Biological–Inorganic Systems for CO2 Conversion to Fuels

Sherbo, Rebecca S.; Loh, Daniel M.; Nocera, Daniel G.

doi:10.1039/9781788015844-00317

Cited by 3 publications

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“…Consequently, a hybrid inorganic-biological (HIB) approach emerges as a viable artificial photosynthesis where photoelectrochemistry is used to produce the electron and proton donors from water splitting either directly in the form of H 2 or indirectly via small molecule organic or redox mediators. 123 The electron donor can then be used in tandem with CO 2 as a carbon source to feed lithoautotrophic microorganisms and produce biomass and fuels. With an HIB approach, the energy efficiency associated with producing the electron and proton equivalents with solar photovoltaic materials/catalysts overcomes the constraining energy efficiencies of Photosystems I/II while simultaneously exploiting the ability of biology to fix carbon in complex molecules with high selectivity.…”

Section: Efficiencies Greater Than Natural Photosynthesismentioning

confidence: 99%

“…Conversely, the solar-to-electrical and solar-to-hydrogen efficiencies powered by photovoltaic materials integrated with water splitting catalysts have increased significantly in recent years, far exceeding the efficiencies of Photosystems II/I. Consequently, a hybrid inorganic-biological (HIB) approach emerges as a viable artificial photosynthesis where photoelectrochemistry is used to produce the electron and proton donors from water splitting either directly in the form of H 2 or indirectly via small molecule organic or redox mediators . The electron donor can then be used in tandem with CO 2 as a carbon source to feed lithoautotrophic microorganisms and produce biomass and fuels.…”

Section: Bionic Leaf-c: Artificial Photosynthesis At Efficiencies Gre...mentioning

confidence: 99%

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Proton-Coupled Electron Transfer: The Engine of Energy Conversion and Storage

Nocera

2022

J. Am. Chem. Soc.

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121

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Proton-coupled electron transfer (PCET) underpins energy conversion in chemistry and biology. Four energy systems are described whose discoveries are based on PCET: the water splitting chemistry of the Artificial Leaf, the carbon fixation chemistry of the Bionic Leaf-C, the nitrogen fixation chemistry of the Bionic Leaf-N and the Coordination Chemistry Flow Battery (CCFB). Whereas the Artificial Leaf, Bionic Leaf-C, and Bionic Leaf-N require strong coupling between electron and proton to reduce energetic barriers to enable high energy efficiencies, the CCFB requires complete decoupling of the electron and proton so as to avoid parasitic energy-wasting reactions. The proper design of PCET in these systems facilitates their implementation in the areas of (i) centralized large scale grid storage of electricity and (ii) decentralized energy storage/conversion using only sunlight, air and any water source to produce fuel and food within a sustainable cycle for the biogenic elements of C, N and P.

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Section: Efficiencies Greater Than Natural Photosynthesismentioning

confidence: 99%

Section: Bionic Leaf-c: Artificial Photosynthesis At Efficiencies Gre...mentioning

confidence: 99%

Proton-Coupled Electron Transfer: The Engine of Energy Conversion and Storage

Nocera

2022

J. Am. Chem. Soc.

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121

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Decarbonization

Ramirez-Corredores

Goldwasser²,

Sousa-Aguiar³

2023

SpringerBriefs in Applied Sciences and Technology

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Self-healing oxygen evolution catalysts

2022

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Electrochemical and photoelectrochemical water splitting offers a scalable approach to producing hydrogen from renewable sources for sustainable energy storage. Depending on the applications, oxygen evolution catalysts (OECs) may perform water splitting under a variety of conditions. However, low stability and/or activity present challenges to the design of OECs, prompting the design of self-healing OECs composed of earth-abundant first-row transition metal oxides. The concept of self-healing catalysis offers a new tool to be employed in the design of stable and functionally active OECs under operating conditions ranging from acidic to basic solutions and from a variety of water sources.

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Chapter 8. Hybrid Biological–Inorganic Systems for CO2 Conversion to Fuels

Cited by 3 publications

References 0 publications

Proton-Coupled Electron Transfer: The Engine of Energy Conversion and Storage

Proton-Coupled Electron Transfer: The Engine of Energy Conversion and Storage

Decarbonization

Self-healing oxygen evolution catalysts

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