Recent Advances in Heterostructured Anode Materials with Multiple Anions for Advanced Alkali-Ion Batteries

Gi Dae Park, Jin Sung Park, Jin Koo Kim, Yun Chan Kang

Research output: Contribution to journalReview articlepeer-review

60 Citations (Scopus)


As rechargeable battery technology continues to advance, the development of advanced electrode materials is becoming increasingly crucial to meet the emerging demand for electrochemical energy storage devices with higher energy and power densities. However, progress in anode materials has been sluggish and graphite is still widely applied in commercial rechargeable batteries. Alloying and conversion reaction-based anode materials, including Si, Sn, metal oxides, and metal chalcogenides, have been widely investigated as they exhibit much higher theoretical capacities than carbonaceous materials. However, they exhibit several intrinsic limitations, such as large volume change, low electrical conductivity, and high voltage hysteresis. Recently, the construction of heterostructures for anode materials has received increasing attention as it is an effective strategy to greatly enhance the capacity and rate performance by forming built-in electric fields at the heterointerfaces, which can lower the activation energy for surface reactions. This review introduces the recent progress in the development of heterostructured anode materials with an emphasis on metal compounds with multiple anions and various interpretations of the origin of their superior electrochemical properties in rechargeable alkali-ions (Li+, Na+, and K+) batteries. The challenges and future outlook of advanced heterostructured anode materials research are discussed at the end of this review.

Original languageEnglish
Article number2003058
JournalAdvanced Energy Materials
Issue number27
Publication statusPublished - 2021 Jul 22

Bibliographical note

Funding Information:
G.D.P., J.‐S.P., and J.K.K. contributed equally to this work. This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF‐2019R1A2C2088047).

Publisher Copyright:
© 2021 Wiley-VCH GmbH


  • alkali-ion batteries
  • anode materials
  • electrochemical reactions
  • heterostructure
  • multiple anions

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science


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