Adhesive PEG-based binder for aqueous fabrication of thick Li4Ti5O12 electrode

被引：41

作者：

Binh Tran ^{[1
,2
,3
]}

Oladeji, Isaiah O. ^{[3
]}

Wang, Zedong ^{[3
]}

Calderon, Jean ^{[1
,2
]}

Chai, Guangyu ^{[3
]}

Atherton, David ^{[3
]}

Zhai, Lei ^{[1
,2
]}

机构：

[1] Univ Cent Florida, NanoSci Technol Ctr, Orlando, FL 32826 USA

[2] Univ Cent Florida, Dept Chem, Orlando, FL 32826 USA

[3] Planar Energy Devices Inc, Orlando, FL 32805 USA

来源：

ELECTROCHIMICA ACTA | 2013年 / 88卷

关键词：

Aqueous process; Water-soluble; Binder; Li4Ti5O12; Lithium-ion batteries; LITHIUM-ION; NEGATIVE ELECTRODE; ELECTROCHEMICAL PERFORMANCE; COMPOSITE ELECTRODES; POLYMER ELECTROLYTE; POLYACRYLIC-ACID; ANODE; STABILITY; CATHODES; BEHAVIOR;

D O I：

10.1016/j.electacta.2012.10.139

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

070208 [无线电物理];

摘要：

We report the first fully compressed Li4Ti5O12 electrode designed by an aqueous process. An adhesive, elastomeric, and lithium ion conductive PEG-based copolymer is used as a binder for the aqueous fabrication thick, flexible, and densely packed Li4Ti5O12 (LTO) electrodes. Self-adherent cathode films exceeding 200 mu m in thickness and withholding high active mass loadings of 28 mg/cm(2) deliver 4.2 mAh/cm(2) at C/2 rate. Structurally defect-free electrodes are fabricated by casting aqueous cathode slurries onto nickel foam, dried, and hard-calendared at 10 tons/cm(2). As a multifunctional material, the binder is synthesized by the copolymerization of poly(ethylene glycol) methyl ether methacrylate (PEGMA), methyl methacrylate (MMA), and isobutyl vinyl ether (IBVE) in optimal proportions. Furthermore, coordinating the binder with lithium salt is necessary for the electrode to function. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：536 / 542

页数：7

共 39 条

[1]

Key Parameters Governing the Reversibility of Si/Carbon/CMC Electrodes for Li-Ion Batteries [J].

Bridel, J. -S. ;

Azais, T. ;

Morcrette, M. ;

Tarascon, J. -M. ;

Larcher, D. .

CHEMISTRY OF MATERIALS, 2010, 22 (03) :1229-1241

[2]

Preparation and performances of LiFePO4 cathode in aqueous solvent with polyacrylic acid as a binder [J].

Cai, Z. P. ;

Liang, Y. ;

Li, W. S. ;

Xing, L. D. ;

Liao, Y. H. .

JOURNAL OF POWER SOURCES, 2009, 189 (01) :547-551

[3]

A Novel Cross-linked Poly(vinyl alcohol) (PVA) for Vascular Grafts [J].

Chaouat, Marc ;

Le Visage, Catherine ;

Baille, Wilms E. ;

Escoubet, Brigitte ;

Chaubet, Frederic ;

Mateescu, Mircea Alexandru ;

Letourneur, Didier .

ADVANCED FUNCTIONAL MATERIALS, 2008, 18 (19) :2855-2861

[4]

Studies of Mg-substituted Li4-xMgxTi5O12 spinel electrodes (0 ≤ x ≤ 1) for lithium batteries [J].

Chen, CH ;

Vaughey, JT ;

Jansen, AN ;

Dees, DW ;

Kahaian, AJ ;

Goacher, T ;

Thackeray, MM .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2001, 148 (01) :A102-A104

[5]

PREPARATION AND CHARACTERIZATION OF POLY(VINYL-SULFONE)-BASED AND POLY(VINYLIDENE-FLUORIDE)-BASED ELECTROLYTES [J].

CHOE, HS ;

GIACCAI, J ;

ALAMGIR, M ;

ABRAHAM, KM .

ELECTROCHIMICA ACTA, 1995, 40 (13-14) :2289-2293

[6]

A comparative study of polyacrylic acid and poly(vinylidene difluoride) binders for spherical natural graphite/LiFePO4 electrodes and cells [J].

Chong, Jin ;

Xun, Shidi ;

Zheng, Honghe ;

Song, Xiangyun ;

Liu, Gao ;

Ridgway, Paul ;

Wang, Ji Qiang ;

Battaglia, Vincent S. .

JOURNAL OF POWER SOURCES, 2011, 196 (18) :7707-7714

[7]

Studies on the chemical synthesis of nanosized nickel powder and its stability [J].

Chou, KS ;

Huang, KC .

JOURNAL OF NANOPARTICLE RESEARCH, 2001, 3 (2-3) :127-132

[8]

Toward the Aqueous Processing of Li4Ti5O12: A Comparative Study with LiFePO4 [J].

Fongy, C. ;

Moreau, P. ;

Chazelle, S. ;

Bouvier, M. ;

Jouanneau, S. ;

Guyomard, D. ;

Lestriez, B. .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2012, 159 (07) :A1083-A1090

[9]

LiFePO4 water-soluble binder electrode for Li-ion batteries [J].

Guerfi, A. ;

Kaneko, M. ;

Petitclerc, M. ;

Mori, M. ;

Zaghib, K. .

JOURNAL OF POWER SOURCES, 2007, 163 (02) :1047-1052

[10]

New composite electrode architecture and improved battery performance from the smart use of polymers and their properties [J].

Guy, D ;

Lestriez, B ;

Guyomard, D .

ADVANCED MATERIALS, 2004, 16 (06) :553-+

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