Enhanced sodium-ion storage capability of P2/O3 biphase by Li-ion substitution into P2-type Na0.5Fe0.5Mn0.5O2 layered cathode

被引：42

作者：

Veerasubramani, Ganesh Kumar ^{[1
]}

Subramanian, Yuvaraj ^{[1
]}

Park, Myung-Soo ^{[1
]}

Senthilkumar, Baskar ^{[2
]}

Eftekhari, Ali ^{[3
]}

Kim, Sang Jae ^{[4
]}

Kim, Dong-Won ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem Engn, Seoul 04763, South Korea

[2] Indian Inst Sci, Mat Res Ctr, CV Raman Ave, Bangalore, Karnataka, India

[3] Belfast Acad, 2 Queens Rd, Belfast BT3 9FG, Antrim, North Ireland

[4] Jeju Natl Univ, Dept Mechatron Engn, Jeju 63243, South Korea

来源：

ELECTROCHIMICA ACTA | 2019年 / 296卷

基金：

新加坡国家研究基金会;

关键词：

Sodium-ion battery; Cathode; Layered material; P2/O3; structure; Electrochemical performance; OXIDE CATHODES; LESS-THAN; PERFORMANCE; CHALLENGES; BATTERIES; O3-TYPE; VOLTAGE; DESIGN; P2;

D O I：

10.1016/j.electacta.2018.11.160

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Integration of P2 and O3 phases in Na0.5Fe0.5Mn0.5O2 cathode via Li-ion substitution is proposed to enhance its electrochemical performance for sodium-ion battery applications. The formation of P2 and the combination of P2/O3 intergrowth were confirmed by X-ray diffraction refinement, high resolution transmission electron microscopy and X-ray photoelectron microscopy analyses. Various content of lithium was used to find optimum P2+O3 combinations. The optimized Li-ion substituted Na-0.5(Li0.10-Fe0.45Mn0.45)O-2 showed a high initial discharge capacity of 146.2 mAh g(-1) with improved cycling stability, whereas the pristine Na0.5Fe0.5 Mn0.5O2 initially delivered a discharge capacity of 127.0 mAh g(-1). In addition, the combination of P2+O3 increased its average voltage, which is important for achieving high energy density sodium-ion batteries. Overall, the prepared Na-0.5 (Li0.10Fe0.45Mn0.45)O(2)electrode exhibited the improved cycling performance in terms of reversible capacity and rate capability compared to pristine Na0.5Fe0.5Mn0.5O2 electrode material. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：1027 / 1034

页数：8

共 47 条

[1] Electrochemical investigation of the P2-NaxCoO2 phase diagram [J].

Berthelot, R. ;

Carlier, D. ;

Delmas, C. .

NATURE MATERIALS, 2011, 10 (01) :74-U3

[2] Nanomaterials for rechargeable lithium batteries [J].

Bruce, Peter G. ;

Scrosati, Bruno ;

Tarascon, Jean-Marie .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2008, 47 (16) :2930-2946

[3] Synthesis and characterization of high-temperature hexagonal P2-Na0.6MnO2 and its electrochemical behaviour as cathode in sodium cells [J].

Caballero, A ;

Hernán, L ;

Morales, J ;

Sánchez, L ;

Peña, JS ;

Aranda, MAG .

JOURNAL OF MATERIALS CHEMISTRY, 2002, 12 (04) :1142-1147

[4] P-type NaxNi0.22Co0.11Mn0.66O2 materials: linking synthesis with structure and electrochemical performance [J].

Chagas, L. G. ;

Buchholz, D. ;

Vaalma, C. ;

Wu, L. ;

Passerini, S. .

JOURNAL OF MATERIALS CHEMISTRY A, 2014, 2 (47) :20263-20270

[5] Advanced Cathode Materials for Sodium-Ion Batteries: What Determines Our Choices? [J].

Dai, Zhengfei ;

Mani, Ulaganathan ;

Tan, Hui Teng ;

Yan, Qingyu .

SMALL METHODS, 2017, 1 (05)

[6] The evolution of 'sol-gel' chemistry as a technique for materials synthesis [J].

Danks, A. E. ;

Hall, S. R. ;

Schnepp, Z. .

MATERIALS HORIZONS, 2016, 3 (02) :91-112

[7] Structural and Electrochemical Characterizations of P2 and New O3-NaxMn1-yFeyO2 Phases Prepared by Auto-Combustion Synthesis for Na-Ion Batteries [J].

de Boisse, B. Mortemard ;

Carlier, D. ;

Guignard, M. ;

Delmas, C. .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2013, 160 (04) :A569-A574

[8] P2-NaxMn1/2Fe1/2O2 Phase Used as Positive Electrode in Na Batteries: Structural Changes Induced by the Electrochemical (De)intercalation Process [J].

de Boisse, Benoit Mortemard ;

Carlier, Dany ;

Guignard, Marie ;

Bourgeois, Lydie ;

Delmas, Claude .

INORGANIC CHEMISTRY, 2014, 53 (20) :11197-11205

[9] STRUCTURAL DEVELOPMENT AND PHYSICAL-PROPERTIES OF AXMO2 PHASES (A=NA,K) (M=CR,MN,CO) (X LESS-THAN OR EQUAL-TO ONE) [J].

FOUASSIER, C ;

DELMAS, C ;

HAGENMULLER, P .

MATERIALS RESEARCH BULLETIN, 1975, 10 (06) :443-449

[10] Challenges for Rechargeable Li Batteries [J].

Goodenough, John B. ;

Kim, Youngsik .

CHEMISTRY OF MATERIALS, 2010, 22 (03) :587-603

← 1 2 3 4 5 →