3D Printing for Electrocatalytic Applications

Lee, Chong; Taylor, Adam; Nattestad, Andrew; Beirne, Stephen; Wallace, Gordon G.

doi:10.1016/j.joule.2019.06.010

Cited by 97 publications

(55 citation statements)

References 48 publications

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“…As another 3D printing method, inkjet‐based deposition methods can also print metal products using liquid materials mixed with metal nanoparticles. This 3D printing method has faster printing rates and better resolution than typical powder bed‐based 3D printing methods such as SLM or DMLS 20 . The 3D‐printed metal objects can be employed as conductive 3D support for active materials and the well‐designed structure creates and facilitates the path for ions penetration as well as electrons transportation.…”

Section: D Printing Methods Of Electrodementioning

confidence: 99%

3D printing‐enabled advanced electrode architecture design

2021

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A high-performance energy storage device plays an important role in controlling carbon emissions. The emerging additive manufacturing techniques bring a great revolution of electrode fabrication process and promote the performance of energy storage devices through the advanced electrode architecture design. In this paper, recent studies on the three-dimensional (3D)-printed electrode with advanced architecture have been mainly reviewed, including interdigitated structure, through-thickness aligned structure, hierarchical porous structure and fiber and fibric structure of electrodes, and expectations for the development of novel advanced electrode architecture generated and optimized by computational simulation and machine learning.The strategy of advanced electrode architecture design and fabrication enabled by the 3D printing technique represents a promising direction toward future energy storage devices with high electrochemical and mechanical performance.

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Section: D Printing Methods Of Electrodementioning

confidence: 99%

3D printing‐enabled advanced electrode architecture design

2021

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“…Additive manufacturing, commonly known as 3D-printing, has been a major driver of innovation in industrial manufacturing and could prove to be revolutionary for the field of MES by offering flexibility in complex and custom design of electrochemically active materials ( Barnatt, 2014 ; Lee et al, 2019 ). The technology enables the rapid development and testing of customized electrode and reactor prototypes and has recently been successfully applied for improved electrochemical carbon dioxide reduction ( Corral et al, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Efficient Hydrogen Delivery for Microbial Electrosynthesis via 3D-Printed Cathodes

et al. 2021

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The efficient delivery of electrochemically in situ produced H2 can be a key advantage of microbial electrosynthesis over traditional gas fermentation. However, the technical details of how to supply large amounts of electric current per volume in a biocompatible manner remain unresolved. Here, we explored for the first time the flexibility of complex 3D-printed custom electrodes to fine tune H2 delivery during microbial electrosynthesis. Using a model system for H2-mediated electromethanogenesis comprised of 3D fabricated carbon aerogel cathodes plated with nickel-molybdenum and Methanococcus maripaludis, we showed that novel 3D-printed cathodes facilitated sustained and efficient electromethanogenesis from electricity and CO2 at an unprecedented volumetric production rate of 2.2 LCH4 /Lcatholyte/day and at a coulombic efficiency of 99%. Importantly, our experiments revealed that the efficiency of this process strongly depends on the current density. At identical total current supplied, larger surface area cathodes enabled higher methane production and minimized escape of H2. Specifically, low current density (<1 mA/cm2) enabled by high surface area cathodes was found to be critical for fast start-up times of the microbial culture, stable steady state performance, and high coulombic efficiencies. Our data demonstrate that 3D-printing of electrodes presents a promising design tool to mitigate effects of bubble formation and local pH gradients within the boundary layer and, thus, resolve key critical limitations for in situ electron delivery in microbial electrosynthesis.

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“…Thanks to the rapid development of technology and the reduction of equipment threshold, three‐dimensional (3D) printing technology has been widely used in chemistry and chemical engineering because of its convenient and precise properties 28‐30 . 3D printing offers significant opportunities in rapid manufacturing tailored reactor geometries to strengthen the chemical reaction's mass transfer 31 .…”

Section: Introductionmentioning

confidence: 99%

Three‐dimensional‐printed holistic reactors with fractal structure for heterogeneous reaction

Sun

Wang

et al. 2021

AIChE Journal

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Holistic catalytic reactors with fractal structures have attracted growing attention in heterogeneous reactions because of their advantages of improved mass transfer and easy separation. Herein, a cost‐efficient and straightforward design strategy that combined three‐dimensional printing and electroless deposition was presented to construct dynamic, holistic stirred reactors with the fractal structure. The conversion factor α of the fractal impeller is 65.01 mmol m−2 h−1 with a large volume of reactant (80 ml), which is 1.7 times that of the normal impeller with the same loading of Ag catalysts. Experimental results and simulation analysis demonstrate that the fractal impeller significantly improves the catalytic performance by enhancing mass transfer and spatial dispersion in the reaction. Moreover, the holistic impeller could be reused 10 times without obvious loss of catalytic performance, and easily separated from the reaction system. The structural design of fractal reactors will open the way for high‐efficiency dynamic heterogeneous catalytic reactors.

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3D Printing for Electrocatalytic Applications

Cited by 97 publications

References 48 publications

3D printing‐enabled advanced electrode architecture design

3D printing‐enabled advanced electrode architecture design

Efficient Hydrogen Delivery for Microbial Electrosynthesis via 3D-Printed Cathodes

Three‐dimensional‐printed holistic reactors with fractal structure for heterogeneous reaction

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