title: Sodium-metal halide and sodium-air batteries.
abstract: Impressive developments have been made in the past a few years toward the establishment of Na-ion batteries as next-generation energy-storage devices and replacements for Li-ion batteries. Na-based cells have attracted increasing attention owing to low production costs due to abundant sodium resources. However, applications of Na-ion batteries are limited to large-scale energy-storage systems because of their lower energy density compared to Li-ion batteries and their potential safety problems. Recently, Na-metal cells such as Na-metal halide and Na-air batteries have been considered to be promising for use in electric vehicles owing to good safety and high energy density, although less attention is focused on Na-metal cells than on Na-ion cells. This Minireview provides an overview of the fundamentals and recent progress in the fields of Na-metal halide and Na-air batteries, with the aim of providing a better understanding of new electrochemical systems.
authors: School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, 50 Unist-gil, Eonyang-eup, Ulju-gun, Ulsan (South Korea), Fax: (+82) 52-217-2909.
authors: Seongmin
authors: S
authors: Ha
authors: Jae-Kwang
authors: JK
authors: Kim
authors: Aram
authors: A
authors: Choi
authors: Youngsik
authors: Y
authors: Kim
authors: Kyu Tae
authors: KT
authors: Lee
keywords: batteries; electrochemistry; energy conversion; sodium; solid electrolytes