Abstract
A review with 132 references. Societal and regulatory pressures are pushing industry towards more sustainable energy sources, such as solar and wind power, while the growing popularity of portable cordless electronic devices continues. These trends necessitate the ability to store large amounts of power efficiently in rechargeable batteries that should also be affordable and long-lasting. Lithium-sulfur (Li-S) batteries have recently gained renewed interest for their potential low cost and high energy density, potentially over 2600 Wh kg−1. The current review will detail the most recent advances in early 2020. The focus will be on reports published since the last review on Li-S batteries. This review is meant to be helpful for beginners as well as useful for those doing research in the field, and will delineate some of the cutting-edge adaptations of many avenues that are being pursued to improve the performance and safety of Li-S batteries.
Highlights
One strategy bent on attenuating the polysulfide shuttle issue in solution is to employ sulfide solid-state electrolytes (SSEs) [9,21,22,23,24], an approach that will likewise attenuate the possibility of Li
One strategy bent on attenuating the polysulfide shuttle issue in solution is to employ sulfide solid-state electrolytes (SSEs) [9,21,22,23,24], an approach that will likewise attenuate the possibility of Li battery fires fueled by flammable organic electrolytes
The catholyte utility of S of the cathode was increased by 28–49% upon addition of the organosulfur compounds, with the greatest increase coming when bis(2-ethylenedioxyethyl) thiol (BDO) was used as addition of the organosulfur compounds, with the greatest increase coming when BDO was used as the additive
Summary
Received: 21 April 2020; Accepted: 5 June 2020; Published: date part due to theirAbstract: impressive theoretical specific energy density of 2600 W h kg−1. Societal and regulatory pressures are pushing industry towards more sustainable sources, such solar and wind power, while the growing five times the theoretical energyenergy density of aslithium-ion batteries that have found widespread market popularity of portable cordless electronic devices continues. These trends necessitate the ability to store large amounts of power efficiently in rechargeable that should be affordable and penetration in applications where high power batteries output is needed in portable consumer devices such as long-lasting. More modern configurations havecathode been improved by replacing elemental sulfur with high sulfur-content materials (HSMs) and supported cathode structures that are more mechanically robust and can be chemically tuned
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