Manganese sequestration and li-ion batteries durability enhancement by polymeric 18-crown-6 ethers

Baruch Ziv; Naomi Levy; Valentina Borgel; Zicheng Li; Mikhael D. Levi; Doron Aurbach; Allen D. Pauric; Gillian R. Goward; Timothy J. Fuller; Michael P. Balogh; Ion C. Halalay

doi:10.1149/2.0091409jes

Manganese sequestration and li-ion batteries durability enhancement by polymeric 18-crown-6 ethers

Baruch Ziv, Naomi Levy, Valentina Borgel, Zicheng Li, Mikhael D. Levi, Doron Aurbach, Allen D. Pauric, Gillian R. Goward, Timothy J. Fuller, Michael P. Balogh, Ion C. Halalay

Department of Chemistry

Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

Abstract

We propose trapping of Mn cations by polymeric crown ethers as a mitigation measure for the consequences of Mn dissolution in Li-ion batteries (LIBs). Mn cations trapping by poly(vinylbenzo-18-crown-6) and poly(undecylenyloxymethyl- 18-crown-6) was investigated for 1M LiPF₆ solutions in binary carbonates containing Mn(II) salts and in lithium manganese oxide (LMO) spinel - graphite (GR) cells. Trapping site occupancies by Mn⁺² exceeding 90% were measured in bench top experiments. Polyethylene separators coated with poly(vinylbenzo-18-crown-6) trapped Mn cations in LMO - GR cells and decreased capacity fade during 100 cycles at high temperature (60°C) and C/4 rate, retaining 26% more capacity than the baseline cells. We also address the important distinction between using free (molecular) vs. tethered (polymeric) macrocycles, and its consequences for LIB performance.

Original language	English
Pages (from-to)	A1213-A1217
Journal	Journal of the Electrochemical Society
Volume	161
Issue number	9
DOIs	https://doi.org/10.1149/2.0091409jes
State	Published - 2014

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Condensed Matter Physics
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

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10.1149/2.0091409jes

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title = "Manganese sequestration and li-ion batteries durability enhancement by polymeric 18-crown-6 ethers",

abstract = "We propose trapping of Mn cations by polymeric crown ethers as a mitigation measure for the consequences of Mn dissolution in Li-ion batteries (LIBs). Mn cations trapping by poly(vinylbenzo-18-crown-6) and poly(undecylenyloxymethyl- 18-crown-6) was investigated for 1M LiPF6 solutions in binary carbonates containing Mn(II) salts and in lithium manganese oxide (LMO) spinel - graphite (GR) cells. Trapping site occupancies by Mn+2 exceeding 90\% were measured in bench top experiments. Polyethylene separators coated with poly(vinylbenzo-18-crown-6) trapped Mn cations in LMO - GR cells and decreased capacity fade during 100 cycles at high temperature (60°C) and C/4 rate, retaining 26\% more capacity than the baseline cells. We also address the important distinction between using free (molecular) vs. tethered (polymeric) macrocycles, and its consequences for LIB performance.",

author = "Baruch Ziv and Naomi Levy and Valentina Borgel and Zicheng Li and Levi, \{Mikhael D.\} and Doron Aurbach and Pauric, \{Allen D.\} and Goward, \{Gillian R.\} and Fuller, \{Timothy J.\} and Balogh, \{Michael P.\} and Halalay, \{Ion C.\}",

year = "2014",

doi = "10.1149/2.0091409jes",

language = "الإنجليزيّة",

volume = "161",

pages = "A1213--A1217",

journal = "Journal of the Electrochemical Society",

issn = "0013-4651",

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TY - JOUR

T1 - Manganese sequestration and li-ion batteries durability enhancement by polymeric 18-crown-6 ethers

AU - Ziv, Baruch

AU - Levy, Naomi

AU - Borgel, Valentina

AU - Li, Zicheng

AU - Levi, Mikhael D.

AU - Aurbach, Doron

AU - Pauric, Allen D.

AU - Goward, Gillian R.

AU - Fuller, Timothy J.

AU - Balogh, Michael P.

AU - Halalay, Ion C.

PY - 2014

Y1 - 2014

N2 - We propose trapping of Mn cations by polymeric crown ethers as a mitigation measure for the consequences of Mn dissolution in Li-ion batteries (LIBs). Mn cations trapping by poly(vinylbenzo-18-crown-6) and poly(undecylenyloxymethyl- 18-crown-6) was investigated for 1M LiPF6 solutions in binary carbonates containing Mn(II) salts and in lithium manganese oxide (LMO) spinel - graphite (GR) cells. Trapping site occupancies by Mn+2 exceeding 90% were measured in bench top experiments. Polyethylene separators coated with poly(vinylbenzo-18-crown-6) trapped Mn cations in LMO - GR cells and decreased capacity fade during 100 cycles at high temperature (60°C) and C/4 rate, retaining 26% more capacity than the baseline cells. We also address the important distinction between using free (molecular) vs. tethered (polymeric) macrocycles, and its consequences for LIB performance.

AB - We propose trapping of Mn cations by polymeric crown ethers as a mitigation measure for the consequences of Mn dissolution in Li-ion batteries (LIBs). Mn cations trapping by poly(vinylbenzo-18-crown-6) and poly(undecylenyloxymethyl- 18-crown-6) was investigated for 1M LiPF6 solutions in binary carbonates containing Mn(II) salts and in lithium manganese oxide (LMO) spinel - graphite (GR) cells. Trapping site occupancies by Mn+2 exceeding 90% were measured in bench top experiments. Polyethylene separators coated with poly(vinylbenzo-18-crown-6) trapped Mn cations in LMO - GR cells and decreased capacity fade during 100 cycles at high temperature (60°C) and C/4 rate, retaining 26% more capacity than the baseline cells. We also address the important distinction between using free (molecular) vs. tethered (polymeric) macrocycles, and its consequences for LIB performance.

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U2 - 10.1149/2.0091409jes

DO - 10.1149/2.0091409jes

M3 - مقالة

SN - 0013-4651

VL - 161

SP - A1213-A1217

JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

IS - 9

ER -

Manganese sequestration and li-ion batteries durability enhancement by polymeric 18-crown-6 ethers

Abstract

UN SDGs

All Science Journal Classification (ASJC) codes

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