Journal
SMALL METHODS
Volume 1, Issue 10, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smtd.201700219
Keywords
all-solid-state; glass-ceramics; inorganic electrolytes; sodium ions; solid electrolytes
Funding
- IBS
- [IBS-R006-G1]
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The development of safe, reliable, yet economical energy storage has been reemphasized with recent incidents involving the explosion and subsequent recall of lithium-ion batteries. The organic liquid electrolyte used in the conventional lithium-ion battery can potentially act as a fuel for combustion in a thermal-runaway reaction, and hence an alternative with a significantly reduced flammability must be sought. All-solid-state batteries have the potential to meet safety and reliability requirements with the possibility of increasing the volumetric energy density of the system, making these a promising candidate for the development of the next generation of energy storage. Moreover, the sodium-ion battery exhibits a better cost-efficiency without significantly compromising the energy density, making the combination of the sodium chemistry with the solid electrolyte an attractive choice for safe and economical energy storage. Here, a general background on the recent development of ceramic and glass-ceramic sodium-ion-conducting electrolytes is provided with regard to oxide-,sulfide-, and hydride-based electrolytes. The ionic conductivity, chemical stability, and mechanical properties of the sodium-based solid electrolyte are discussed, which is followed by a perspective on future developments in the field.
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