Publication result detail

Synthesis and characterization of blended cathode materials as improvement on the electrochemical performance in Li-ion battery

ORTIZ, M.; ČECH, O.; KAZDA, T.; ČUDEK, P.; SEDLAŘÍKOVÁ, M.

Original Title

Synthesis and characterization of blended cathode materials as improvement on the electrochemical performance in Li-ion battery

English Title

Synthesis and characterization of blended cathode materials as improvement on the electrochemical performance in Li-ion battery

Type

WoS Article

Original Abstract

Layered LiNi1/3Co1/3Mn1/3O2 and blended spinel/layered LiMn2O4/LiNi1/3Co1/3Mn1/3O2 structures as cathode materials were synthesized by using a facile solid-state method, and calcination temperatures and the blended structure were investigated. The samples are characterized via X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, and electrochemical measurements. Based on the characterization results, we can conclude that the powders obtained at 850 degrees C yield materials with improved layered structural ordering; consequently, these structures are able to deliver discharge capacities up to 126.5 mAh g(-1), after 75 cycles. Besides, the obtained blended cathodes (CS@NCM-850) exhibit markedly improved electrochemical perfor-mance (143 mAh g(-1), after 75 cycles) and rate capability (with the discharge capacity values higher than in the NCM-850 electrode at all rates).

English abstract

Layered LiNi1/3Co1/3Mn1/3O2 and blended spinel/layered LiMn2O4/LiNi1/3Co1/3Mn1/3O2 structures as cathode materials were synthesized by using a facile solid-state method, and calcination temperatures and the blended structure were investigated. The samples are characterized via X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, and electrochemical measurements. Based on the characterization results, we can conclude that the powders obtained at 850 degrees C yield materials with improved layered structural ordering; consequently, these structures are able to deliver discharge capacities up to 126.5 mAh g(-1), after 75 cycles. Besides, the obtained blended cathodes (CS@NCM-850) exhibit markedly improved electrochemical perfor-mance (143 mAh g(-1), after 75 cycles) and rate capability (with the discharge capacity values higher than in the NCM-850 electrode at all rates).

Keywords

Lithium-ion battery; Blended cathode material; Solid-state synthesis; Electrochemical performance

Key words in English

Lithium-ion battery; Blended cathode material; Solid-state synthesis; Electrochemical performance

Authors

ORTIZ, M.; ČECH, O.; KAZDA, T.; ČUDEK, P.; SEDLAŘÍKOVÁ, M.

RIV year

2022

Released

01.10.2021

Publisher

ELSEVIER

Location

AMSTERDAM

ISBN

2352-152X

Periodical

Journal of Energy Storage

Volume

42

Number

42

State

Kingdom of the Netherlands

Pages from

103059

Pages to

10306565

Pages count

8

URL

https://www.sciencedirect.com/science/article/pii/S2352152X21007684?via%3Dihub

BibTex

@article{BUT172951,
  author="Mariela Gisela {Ortiz} and Ondřej {Čech} and Tomáš {Kazda} and Pavel {Čudek} and Marie {Sedlaříková}",
  title="Synthesis and characterization of blended cathode materials as improvement on the electrochemical performance in Li-ion battery",
  journal="Journal of Energy Storage",
  year="2021",
  volume="42",
  number="42",
  pages="103059--10306565",
  doi="10.1016/j.est.2021.103059",
  issn="2352-152X",
  url="https://www.sciencedirect.com/science/article/pii/S2352152X21007684?via%3Dihub"
}