Jeongmin Mo, Wondo Choi, Hyaemin Kim, Jaesung Lyu, Cheong Hoon Kwon, Dongsoo Yang* and Jinhan Cho*,
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Emerging Electrocatalytic Textile Electrodes for Highly Efficient Alkaline Water Electrolysis
Alkaline water electrolysis using non-noble electrocatalysts represents a sustainable method of hydrogen production, but optimizing/maximizing its performance still remains a challenge. While extensive research has focused mainly on the synthesis and design of electrocatalysts, less attention has been given to the structural and interfacial design of electrodes, which critically affects the water-splitting performance. Of particular importance is the interfacial controlled host electrode, which serves as a uniform electrocatalyst reservoir through interfacial interactions and a highly conductive current collector. Its porous structure, in addition to electrocatalyst size and host-electrocatalyst interface, significantly influences the total active surface area and operational stability. Here, we review recent advances in alkaline water electrolysis, highlighting the crucial role of interfacial interactions between host electrode and electrocatalysts, and among adjacent electrocatalysts, as well as the structural design of host electrode. Additionally, we explain how these interactions significantly contribute to operational stability. Commercialization challenges are also discussed.
期刊介绍:
ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.