Detail publikačního výsledku

Pyrite as a Low-Cost Additive in Sulfur Cathode Material for Stable Cycle Performance

KAZDA, T.; JAŠŠO, K.; CAPKOVÁ, D. et al.

Originální název

Pyrite as a Low-Cost Additive in Sulfur Cathode Material for Stable Cycle Performance

Anglický název

Pyrite as a Low-Cost Additive in Sulfur Cathode Material for Stable Cycle Performance

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

Various materials have been reported as an efficient host for sulfur to suppress large volume variation and polysulfide shuttle in lithium-sulfur batteries. Carbon materials are widely used as a matrix for sulfur to improve cycle performance and confine sulfur. Addition of transition metal sulfides into cathode material can improve cycle stability due to high efficiency of chemisorption and suppressing the polysulfide diffusion. In this work, various additions of pyrite to carbon and sulfur in the cathode material were investigated. The results show that the amount of pyrite has an affect on capacity and cycle stability of the electrode. Consequently, the lithium-sulfur batteries with the composite cathodes, containing 10 % of pyrite, exhibits stable discharge capacity of 788 mAh g-1 after 60 cycles at 0.2 C. Pyrite is a promising electrocatalyst in advanced lithium-sulfur batteries in the merits of low-cost, eco-friendliness and high activity towards polysulfides conversion reaction.

Anglický abstrakt

Various materials have been reported as an efficient host for sulfur to suppress large volume variation and polysulfide shuttle in lithium-sulfur batteries. Carbon materials are widely used as a matrix for sulfur to improve cycle performance and confine sulfur. Addition of transition metal sulfides into cathode material can improve cycle stability due to high efficiency of chemisorption and suppressing the polysulfide diffusion. In this work, various additions of pyrite to carbon and sulfur in the cathode material were investigated. The results show that the amount of pyrite has an affect on capacity and cycle stability of the electrode. Consequently, the lithium-sulfur batteries with the composite cathodes, containing 10 % of pyrite, exhibits stable discharge capacity of 788 mAh g-1 after 60 cycles at 0.2 C. Pyrite is a promising electrocatalyst in advanced lithium-sulfur batteries in the merits of low-cost, eco-friendliness and high activity towards polysulfides conversion reaction.

Klíčová slova

pyrite; lithium-sulfur; cathode

Klíčová slova v angličtině

pyrite; lithium-sulfur; cathode

Autoři

KAZDA, T.; JAŠŠO, K.; CAPKOVÁ, D. et al.

Rok RIV

2022

Vydáno

30.11.2021

Kniha

ECS Transaction

Edice

105

ISSN

1938-6737

Periodikum

ECS Transaction

Svazek

105

Číslo

1

Stát

Spojené státy americké

Strany od

191

Strany do

198

Strany počet

8

URL

https://iopscience.iop.org/article/10.1149/10501.0191ecst

Plný text v Digitální knihovně

http://hdl.handle.net/

BibTex

@inproceedings{BUT175513,
  author="Dominika {Capková} and Tomáš {Kazda} and Kamil {Jaššo}",
  title="Pyrite as a Low-Cost Additive in Sulfur Cathode Material for Stable Cycle Performance",
  booktitle="ECS Transaction",
  year="2021",
  series="105",
  journal="ECS Transaction",
  volume="105",
  number="1",
  pages="191--198",
  doi="10.1149/10501.0191ecst",
  issn="1938-6737",
  url="https://iopscience.iop.org/article/10.1149/10501.0191ecst"
}