Agency for Science, Technology and Research

Zhi Wei Seh

Young-Tae Chang

Malini Olivo

Dinish Unnimadhava Kurup Soudamini Amma

Kwok Wei Shah

Ming-Yong Han

Kaustabh Kumar Maiti

Shuhua Liu

Kiat Seng Jason Soh

Vipin Kumar

Michelle Low

The present disclosure relates to an electrolyte comprising: a) a sodium salt; b) an additive comprising at least one additional metallic/metalloid cation having a standard reduction potential which is at least 2.5V more positive than that of sodium cation; wherein said sodium salt and said additive are dispersed in a solvent comprising at least one alkyl carbonate, and wherein the concentration of said metallic/metalloid cation in the electrolyte is 15 mM to 250 mM. The present disclosure also relates to a sodium-sulfur cell comprising a sodium anode, a microporous sulfur cathode, and the electrolyte as described herein. The present disclosure further provides a method of improving cycling life of a sodium-sulfur cell, wherein the sodium-sulfur cell comprising a sodium anode, a sulfur cathode, and an electrolyte containing a sodium salt dispersed in an alkyl carbonate solvent.

Electrolyte for use in sodium-sulfur batteries

There is provided a method of preparing a surface enhanced Raman spectroscopy (SERS) particle comprising the step of encapsulating a plurality of Raman molecules on the surface of a metallic core with a biocompatible protective shell at an elevated temperature selected to decrease the encapsulation time by more than one-fold relative to an encapsulation performed at 20&#xb0; C.

Method for preparing a surface enhanced Raman spectroscopy particle

Growing community of inventors

Singapore, Singapore

Zhi Wei Seh