Preparation and Properties of Er2O3-Stablilized Bi2O3 Nanofiber

被引：0

作者：

Zhang Mengfei ^{[1
]}

Li Tianjun ^{[1
]}

Yao Lei ^{[1
]}

Yuan Yajie ^{[1
]}

Zhao Xiaohui ^{[1
]}

Pan Wei ^{[1
]}

机构：

[1] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2018年 / 47卷

关键词：

Bi2O3; nanofiber; conductivity; electrospinning; SINTERED OXIDES; ELECTROLYTES; CONDUCTIVITY; PHASE;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

20% Er2O3-stabilized Bi2O3 (ESB) nanofibers were prepared by electrospinning followed by calcination. The crystal structure, morphology and electrical conductivity of the nanofibers were investigated by XRD, SEM and electrochemical workstation, respectively. The results show that the monoclinic phase (alpha) and tetragonal phase (beta) coexist in the undoped Bi2O3 nanofibers; however, the cubic (c) phase delta-Bi2O3 could be stabilized in Bi2O3 nanofibers when 20 mol% Er2O3 is doped in the sample. What's more, ESB nanofibers calcined at 500 and 600 degrees C have a high length-diameter ratio, uniform morphology and relatively smooth surfaces. The conductivity of the nanofibers sintered at 500 degrees C is about 0.031 S.cm(-1) observed at 500 degrees C.

引用

页码：348 / 351

页数：4

共 19 条

[1] Effect of ionic polarizability on oxygen diffusion in δ-Bi2O3 from atomistic simulation
Aidhy, Dilpuneet S.
Sinnott, Susan B.
Wachsman, Eric D.
Phillpot, Simon R.
[J]. IONICS, 2010, 16 (04) : 297 - 303
[2] STRUCTURAL AND DYNAMIC STUDIES OF DELTA-BI2O3 OXIDE ION CONDUCTORS .1. THE STRUCTURE OF (BI2O3)1-X(Y2O3)X AS A FUNCTION OF X AND TEMPERATURE
BATTLE, PD
CATLOW, CRA
HEAP, JW
MORONEY, LM
[J]. JOURNAL OF SOLID STATE CHEMISTRY, 1986, 63 (01) : 8 - 15
[3] A new electrolyte based on Tm3+-doped δ-Bi2O3-type phase with enhanced conductivity
Dapcevic, A.
Poleti, D.
Rogan, J.
Radojkovic, A.
Radovic, M.
Brankovic, G.
[J]. SOLID STATE IONICS, 2015, 280 : 18 - 23
[4] Structures and oxide mobility in Bi-Ln-O materials:: Heritage of Bi2O3
Drache, Michel
Roussel, Pascal
Wignacourt, Jean-Pierre
[J]. CHEMICAL REVIEWS, 2007, 107 (01) : 80 - 96
[5] High performance ceria-bismuth bilayer electrolyte low temperature solid oxide fuel cells (LT-SOFCs) fabricated by combining co-pressing with drop-coating
Hou, Jie
Bi, Lei
Qian, Jing
Zhu, Zhiwen
Zhang, Junyu
Liu, Wei
[J]. JOURNAL OF MATERIALS CHEMISTRY A, 2015, 3 (19) : 10219 - 10224
[6] FORMATION OF HIGH OXIDE ION CONDUCTIVE PHASES IN THE SINTERED OXIDES OF THE SYSTEM BI2O3-LA-YB2O3
IWAHARA, H
ESAKA, T
SATO, T
TAKAHASHI, T
[J]. JOURNAL OF SOLID STATE CHEMISTRY, 1981, 39 (02) : 173 - 180
[7] High performance zirconia-bismuth oxide nanocomposite electrolytes for lower temperature solid oxide fuel cells
Joh, Dong Woo
Park, Jeong Hwa
Kim, Do Yeub
Yun, Byung-Hyun
Lee, Kang Taek
[J]. JOURNAL OF POWER SOURCES, 2016, 320 : 267 - 273
[8] Suppressed phase transition and giant ionic conductivity in La2Mo2O9 nanowires
Liu, Wei
Pan, Wei
Luo, Jian
Godfrey, Andy
Ou, Gang
Wu, Hui
Zhang, Wei
[J]. NATURE COMMUNICATIONS, 2015, 6
[9] Samarium-Doped Ceria Nanowires: Novel Synthesis and Application in Low-Temperature Solid Oxide Fuel Cells
Ma, Ying
Wang, Xiaodi
Li, Shanghua
Toprak, Muhammet S.
Zhu, Bin
Muhammed, Mamoun
[J]. ADVANCED MATERIALS, 2010, 22 (14) : 1640 - +
[10] Ou G, 2011, RARE METAL MAT ENG, V40, P339

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