Effect of composition on the voltage fade phenomenon in lithium-, manganese-rich xLiMnO<inf>3</inf>andmiddot;(1-x)LiNi<inf>a</inf>Mn<inf>b</inf>Co<inf>c</inf>O<inf>2</inf> A combinatorial synthesis approach

Anh Vu, Yan Qin, Chi Kai Lin, Ali Abouimrane, Anthony K. Burrell, Samuel Bloom, Dean Bass, Javier Barenando, Ira Bloom

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The effect of composition on the voltage fade phenomenon was probed using combinatorial synthesis methods. In compositions that have the general formula, (Li<inf>2</inf>MnO<inf>3</inf>)<inf>a</inf>(LiNiO<inf>2</inf>)<inf>b</inf>(LiMnO<inf>2</inf>)<inf>c</inf>(LiCoO<inf>2</inf>)<inf>d</inf>, where 0 ≤ and a ≤ ;0.83, 0.15 ≤ and b ≤ ; 0.42, 0 ≤ and c ≤ ; 0.85, and 0 ≤ and d 0.30 (a + b + c + d = 1), the dependence of features in the x-ray diffraction pattern and of voltage fade on composition were identified and mapped. The observed values of voltage fade indicated that it displayed some sensitivity to composition, but that the sensitivity was not large. The values of voltage fade were found to be amenable to statistical modeling. The model indicated that it may be possible to lower the value of voltage fade below 0.01% by adjusting the composition of the system; however, the composition is not expected to have the layered-layered structure.

Original languageEnglish
Pages (from-to)711-718
Number of pages8
JournalJournal of Power Sources
Volume294
DOIs
Publication statusPublished - 16 Jul 2015
Externally publishedYes

Fingerprint

Manganese
Lithium
manganese
lithium
Electric potential
electric potential
synthesis
Chemical analysis
sensitivity
Diffraction patterns
x ray diffraction
diffraction patterns
adjusting
X rays

Keywords

  • Combinatorial synthesis
  • Lithium battery
  • Voltage fade

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Physical and Theoretical Chemistry

Cite this

Effect of composition on the voltage fade phenomenon in lithium-, manganese-rich xLiMnO<inf>3</inf>andmiddot;(1-x)LiNi<inf>a</inf>Mn<inf>b</inf>Co<inf>c</inf>O<inf>2</inf> A combinatorial synthesis approach. / Vu, Anh; Qin, Yan; Lin, Chi Kai; Abouimrane, Ali; Burrell, Anthony K.; Bloom, Samuel; Bass, Dean; Barenando, Javier; Bloom, Ira.

In: Journal of Power Sources, Vol. 294, 16.07.2015, p. 711-718.

Research output: Contribution to journalArticle

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abstract = "The effect of composition on the voltage fade phenomenon was probed using combinatorial synthesis methods. In compositions that have the general formula, (Li2MnO3)a(LiNiO2)b(LiMnO2)c(LiCoO2)d, where 0 ≤ and a ≤ ;0.83, 0.15 ≤ and b ≤ ; 0.42, 0 ≤ and c ≤ ; 0.85, and 0 ≤ and d 0.30 (a + b + c + d = 1), the dependence of features in the x-ray diffraction pattern and of voltage fade on composition were identified and mapped. The observed values of voltage fade indicated that it displayed some sensitivity to composition, but that the sensitivity was not large. The values of voltage fade were found to be amenable to statistical modeling. The model indicated that it may be possible to lower the value of voltage fade below 0.01{\%} by adjusting the composition of the system; however, the composition is not expected to have the layered-layered structure.",
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AU - Qin, Yan

AU - Lin, Chi Kai

AU - Abouimrane, Ali

AU - Burrell, Anthony K.

AU - Bloom, Samuel

AU - Bass, Dean

AU - Barenando, Javier

AU - Bloom, Ira

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AB - The effect of composition on the voltage fade phenomenon was probed using combinatorial synthesis methods. In compositions that have the general formula, (Li2MnO3)a(LiNiO2)b(LiMnO2)c(LiCoO2)d, where 0 ≤ and a ≤ ;0.83, 0.15 ≤ and b ≤ ; 0.42, 0 ≤ and c ≤ ; 0.85, and 0 ≤ and d 0.30 (a + b + c + d = 1), the dependence of features in the x-ray diffraction pattern and of voltage fade on composition were identified and mapped. The observed values of voltage fade indicated that it displayed some sensitivity to composition, but that the sensitivity was not large. The values of voltage fade were found to be amenable to statistical modeling. The model indicated that it may be possible to lower the value of voltage fade below 0.01% by adjusting the composition of the system; however, the composition is not expected to have the layered-layered structure.

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