The past and present of 3D-printed critical materials for rechargeable batteries

An overview of the typical features of major 3D printing methods used in the fabrication of electrochemical energy storage devices (EESD), including design principles, material selection, and optimization strategies. It further summarizes and discusses the key materials for 3D printing rechargeable batteries, which include the anode electrode, cathode electrode, electrolyte, electrolyte, and 3D current collectors. Credit: Yongbiao Mu, Youqi Chu, Lyuming Pan, Buke Wu, Lingfeng Zou, Jiafeng He, Meisheng Han, Tianshou Zhao and Lin Zeng.

3D printing, as a promising additive manufacturing technology, is being widely used in the development of various electrochemical energy storage devices (EESD), such as batteries and supercapacitors at both nano and macro scale. This is due to its outstanding flexibility in manufacturing, capability in geometric design, cost-effectiveness, and eco-friendliness.

Recent research has highlighted the excellent electrochemical performance of critical 3D printing materials in EESD, due to their enhanced ion/electron transport capabilities and faster kinetics. Consequently, the 3D-printed EESD has higher energy density and rate capability.

For emerging energy storage devices and equipment, combining and developing new technologies and materials are crucial for rapidly advancing various EESD applications. However, recent comprehensive reviews of the structural design and applications of key 3D printing materials in EESD, especially rechargeable batteries, have been scarce.

In their recent research in International Journal of Extreme Manufacturing, Prof. Lin Zeng’s group from the Southern University of Science and Technology has presented the latest development in utilizing 3D printing technology for manufacturing various rechargeable batteries in this review. It outlines the typical characteristics of major 3D printing methods used in the fabrication of electrochemical energy storage devices, including design principles, material selectivity, and optimization strategies.

The authors also summarize and discuss the crucial materials for 3D printing of rechargeable batteries, including the anode electrode, cathode electrode, electrolyte, membrane, and 3D current collectors. It offers insights into the challenges and future research directions in the development of crucial 3D printing materials for rechargeable batteries.

Prof. Zeng’s team primarily engages in research and development related to fuel cells, electrolysis for hydrogen production, and materials and devices for electrochemical energy storage. Their work is based on the study of the coupled mass transport phenomena at the electrolyte/electrode interface and electrochemical reaction kinetics.

“We have explored the mechanisms of cooperative mass transport, leading to a significant enhancement in the performance of electrochemical energy storage devices. In recent years, we have consistently produced research findings in various directions, including lithium-metal batteries, zinc-metal batteries, solid-state batteries, high-voltage cathodes, water electrolysis, and fuel cells,” Said Prof. Zeng, whose group has made significant contributions in the field of 3D-printed secondary batteries, such as 3D-printed composite zinc anodes and 3D-printed solid-state electrolyte membranes.

The first author of this work, Yongbiao Mu, said, “3D printing technology has demonstrated significant potential in the manufacturing of electrochemical energy storage devices. By analyzing publications in the ‘Web of Science’ database and the application of 3D printing technology in batteries, we found that 3D printing is gaining popularity, especially in emerging battery types.”

“Rechargeable secondary batteries include nickel-cadmium batteries, lead-acid batteries, nickel-metal hydride batteries, lithium-ion batteries, and flow batteries, and these dominate the battery market due to their ability to undergo repeated charge and discharge cycles.”

“Designing and manufacturing 3D architectures for critical components, including electrodes (both anode and cathode), membranes/electrolytes, and current collectors, has proven to be an effective method for optimizing the structure and improving battery performance. It has been demonstrated that using 3D printing methods in rechargeable batteries can enhance the fundamental capabilities of these critical components, thereby determining the overall performance of the battery, such as energy density, power density, cycle life, and safety.”

While 3D printing offers numerous advantages and tremendous potential in the field of electrochemical energy storage devices (EESD), there are still several obstacles and challenges that need to be addressed to further develop 3D printing technology and promote its practical applications.

For example, first, to enhance the capabilities of 3D printing for EESD, it’s crucial to break down the functions of 3D printing equipment, improve each subsystem, and develop integrated printing platforms. Second, research on multifunctional additives for 3D printing of rechargeable batteries is necessary to fine-tune the rheology of inks and optimize electrochemical performance.

In addition, selecting the best manufacturing methods, process parameters, and structural parameters significantly impacts the capacity and power of the battery. Meanwhile, a comprehensive understanding of the interaction between electrochemical performance and structural design is necessary to optimize battery performance.

“Despite the challenges and drawbacks in developing 3D-printed rechargeable batteries, we believe that by continually advancing efficient, cost-effective, high-performance, and diverse 3D printing technologies, 3D printing will become an indispensable part of future manufacturing, bridging the gap between industry and basic research,” said Prof. Zeng, the Deputy Director of the Carbon Neutrality Research Institute.

“To advance the commercial applications, some factors need to be considered for practical production, such as manufacturing cost, uniformity of product (including structural stabilities and performance stabilities), and potential application scenario and market sizes. Among many factors, the costs of 3D printed equipment and printable materials are the key to commercial application; factors such as premises and staff cannot be ignored.”

“The safety performance of the final products for power batteries should be significantly improved to show attractive technical advantages and commercial values, especially under high energy densities and reduced manufacturing cost.”

More information:
Yongbiao Mu et al, 3D printing critical materials for rechargeable batteries: from materials, design and optimization strategies to applications, International Journal of Extreme Manufacturing (2023). DOI: 10.1088/2631-7990/acf172

Provided by
International Journal of Extreme Manufacturing

The past and present of 3D-printed critical materials for rechargeable batteries (2023, October 11)
retrieved 12 October 2023

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