Towards K-Ion and Na-Ion Batteries as “Beyond Li-Ion”

Kei Kubota, Mouad Dahbi, Tomooki Hosaka, Shinichi Kumakura, Shinichi Komaba

Research output: Contribution to journalArticlepeer-review

367 Citations (Scopus)


Li-ion battery commercialized by Sony in 1991 has the highest energy-density among practical rechargeable batteries and is widely used in electronic devices, electric vehicles, and stationary energy storage system in the world. Moreover, the battery market is rapidly growing in the world and further fast-growing is expected. With expansion of the demand and applications, price of lithium and cobalt resources is increasing. We are, therefore, motivated to study Na- and K-ion batteries for stationary energy storage system because of much abundant Na and K resources and the wide distribution in the world. In this account, we review developments of Na- and K-ion batteries with mainly introducing our previous and present researches in comparison to that of Li-ion battery.

Original languageEnglish
Pages (from-to)459-479
Number of pages21
JournalChemical Record
Issue number4
Publication statusPublished - Apr 2018


  • electrochemistry
  • insertion materials
  • lithium battery
  • potassium battery
  • sodium battery


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