Detail publikace

Irreversible capacity and rate-capability properties of lithium-ion negative electrode based on graphite

LIBICH, J. MÁCA, J. VONDRÁK, J. ČECH, O. SEDLAŘÍKOVÁ, M.

Originální název

Irreversible capacity and rate-capability properties of lithium-ion negative electrode based on graphite

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

In this paper, the results of experimental work with doped graphite are presented and described. The graphite material plays major role among negative electrode materials used in lithium-ion batteries. Graphite behavior as an active material of negative electrode in lithium-ion cell was widely investigated and published. The one key characteristic property of graphite is the irreversible capacity losses. The irreversible capacity represents losses which occur in graphite negative electrode within initial charge-discharge cycles (process called cell formatting). This phenomenon is connected with lower negative electrode potential vs. lithium (Li/Li+) and the growth of Solid Electrolyte Interphase (SEI) layer. The SEI layer is important and necessary for proper operation of lithium-ion cell, on the other hand growth of SEI layer limits and lowering theoretical capacity of lithium-ion cell up to 40 %. As a possible way, how to balance these losses is to dope graphite material by lithium atoms before its using in lithium-ion cell. Suppressing of irreversible capacity losses at initial charge-discharge cycles is the main aim of our investigation.

Klíčová slova

Lithium, Graphite, Irreversible capacity, Rate-Capability

Autoři

LIBICH, J.; MÁCA, J.; VONDRÁK, J.; ČECH, O.; SEDLAŘÍKOVÁ, M.

Vydáno

6. 12. 2017

Nakladatel

Elsevier

Místo

United Kingdom

ISSN

2352-152X

Periodikum

Journal of Energy Storage

Ročník

14

Číslo

3

Stát

Nizozemsko

Strany od

383

Strany do

390

Strany počet

8

URL

https://www.journals.elsevier.com/journal-of-energy-storage

BibTex

@article{BUT139141,
  author="Jiří {Libich} and Josef {Máca} and Jiří {Vondrák} and Ondřej {Čech} and Marie {Sedlaříková}",
  title="Irreversible capacity and rate-capability properties of lithium-ion negative electrode based on graphite",
  journal="Journal of Energy Storage",
  year="2017",
  volume="14",
  number="3",
  pages="383--390",
  doi="10.1016/j.est.2017.03.017",
  issn="2352-152X",
  url="https://www.journals.elsevier.com/journal-of-energy-storage"
}