Journal
MATERIALS TODAY SUSTAINABILITY
Volume 22, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mtsust.2023.100355
Keywords
Single-atom materials; Carbon; Alkali ion batteries; Anode
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Alkali ion batteries have gained significant attention due to their high power and energy density. However, there is a need for novel electrode materials with higher capacity and longer cycle life. Carbon-supported single-atom metal (CSAM) materials show promise in increasing the anode capacity and extending its lifespan, but more research is required. This mini-review summarizes the application and work mechanisms of CSAM materials in alkali ion batteries, discusses their disadvantages, and proposes solution strategies.
Alkali ion batteries have attracted broad attention because of their high power and energy density. However, there is an urgency to explore novel electrode materials with higher capacity and longer cycle life to meet the ever-increasing requirements. Due to their unique electronic structure and coordination environment, carbon-supported single-atom metal (CSAM) materials are promising to enhance the anode capacity and prolong its lifespan, but the development is still in its infancy stage. In this mini -review, we first summarize the application of CSAM materials in alkali ion batteries from theoretical predictions to experimental investigations. Then the work mechanisms of CSAM materials in alkali ion batteries are discussed, and their disadvantages, such as low mass loading, low activity and metal atom migration, are reviewed. Finally, we discuss the solution strategies to address these issues. This mini -review will guide the structural design of CSAM materials and accelerate the future application in al-kali ion batteries.(c) 2023 Elsevier Ltd. All rights reserved.
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