Engineering 3D-printed carbon structures with atomic layer deposition coatings as photoelectrocatalysts for water splitting

Ng, Siowwoon; Sanna, Michela; Redondo, Edurne; Pumera, Martin

doi:10.1039/d3ta04460b

J. Mater. Chem. A

2024

DOI: 10.1039/d3ta04460b

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Engineering 3D-printed carbon structures with atomic layer deposition coatings as photoelectrocatalysts for water splitting

Siowwoon Ng,

Michela Sanna,

Edurne Redondo

et al.

Abstract: 3D-printed carbon structures are lightweight, conductive, and durable in harsh conditions. A straightforward surface treatment allows for functional ALD coatings, enhancing light-driven hydrogen and oxygen evolution reactions.

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Aqueous Multivalent Metal‐ion Batteries: Toward 3D‐printed Architectures

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Pumera

2024

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Energy storage has become increasingly crucial, necessitating alternatives to lithium‐ion batteries due to critical supply constraints. Aqueous multivalent metal‐ion batteries (AMVIBs) offer significant potential for large‐scale energy storage, leveraging the high abundance and environmentally benign nature of elements like zinc, magnesium, calcium, and aluminum in the Earth's crust. However, the slow ion diffusion kinetics and stability issues of cathode materials pose significant technical challenges, raising concerns about the future viability of AMVIB technologies. Recent research has focused on nanoengineering cathodes to address these issues, but practical implementation is limited by low mass‐loading. Therefore, developing effective engineering strategies for cathode materials is essential. This review introduces the 3D printing‐enabled structural design of cathodes as a transformative strategy for advancing AMVIBs. It begins by summarizing recent developments and common challenges in cathode materials for AMVIBs and then illustrates various 3D‐printed cathode structural designs aimed at overcoming the limitations of conventional cathode materials, highlighting pioneering work in this field. Finally, the review discusses the necessary technological advancements in 3D printing processes to further develop advanced 3D‐printed AMVIBs. The reader will receive new fresh perspective on multivalent metal‐ion batteries and the potential of additive technologies in this field.

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Aqueous Multivalent Metal‐ion Batteries: Toward 3D‐printed Architectures

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2024

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3D printed Ti3C2@Polymer based artificial forest for autonomous water harvesting system

Vaghasiya,

Sonigara,

Mayorga-Martinez

et al. 2024

npj Clean Water

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The escalating scarcity of freshwater resources presents significant challenges to global sustainability, demanding innovative solutions by integrating cutting-edge materials and technologies. Here we introduce an autonomous artificial forest (3D AF) for continuous freshwater acquisition. This system features a three-dimensional (3D) architecture incorporating a carbon nanofiber (CNF) network and MXene@polypyrrole (Ti3C2@PPy), enhancing surface area, light absorption, heat distribution, and surface wettability to improve solar vapor generation and fog collection efficiency. The autonomous operation is facilitated by an integrated photothermal actuator that adjusts to the day and night conditions. During daylight, the 3D AF tilts downward to maximize solar exposure for water evaporation, while at night, it self-adjusts to optimize fog particle collection. Notably, our device demonstrates the ability to harvest over 5.5 L m−2 of freshwater daily outdoors. This study showcases the potential of integrating advanced materials and technologies to address pressing global freshwater challenges, paving the way for future innovations in water harvesting.

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Engineering 3D-printed carbon structures with atomic layer deposition coatings as photoelectrocatalysts for water splitting

Abstract: 3D-printed carbon structures are lightweight, conductive, and durable in harsh conditions. A straightforward surface treatment allows for functional ALD coatings, enhancing light-driven hydrogen and oxygen evolution reactions.

Cited by 2 publications

References 75 publications

Aqueous Multivalent Metal‐ion Batteries: Toward 3D‐printed Architectures

Aqueous Multivalent Metal‐ion Batteries: Toward 3D‐printed Architectures

3D printed Ti3C2@Polymer based artificial forest for autonomous water harvesting system

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