Micron-sized iron-oxide secondary particles as anode material for high volumetric-energy-density of lithium-ion batteries

被引：14

作者：

Xu, Xiaoqian ^{[1
]}

Wan, Yuanxin ^{[2
]}

Zuo, Chen ^{[1
]}

Yan, Haipeng ^{[3
]}

Du, Muting ^{[3
]}

Xue, Gi ^{[1
]}

Zhou, Dongshan ^{[1
,4
]}

机构：

[1] Nanjing Univ, Sch Chem & Chem Engn, Dept Polymer Sci & Engn, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China

[2] Peking Univ, Shenzhen Grad Sch, Sch Adv Mat, Shenzhen 518055, Peoples R China

[3] BYD Huizhou Co LTD, Div Storage & Vehicle Battery, Huizhou 516083, Peoples R China

[4] Nanjing Univ, Shenzhen Res Inst, Shenzhen 518057, Peoples R China

来源：

MATERIALS TODAY ENERGY | 2018年 / 7卷

基金：

中国国家自然科学基金;

关键词：

High tap density; High volumetric-energy-density; Iron-oxide; Lithium-ion batteries; CAPACITY;

D O I：

10.1016/j.mtener.2017.12.007

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Low volumetric-energy-density caused by low tap density of nanomaterial seriously restricts the application of nanomaterial in lithium-ion batteries. Here, to solve this problem, micron-sized Fe2O3 secondary particles (MFSPs) with high tap density (2.8 g cm(-3)) are synthesized via a facile way. As a result, ultrahigh volumetric-energy-density of 1490 mA h cm(-3) is obtained after 100 cycles at C/2 (similar to 500 mA g(-1)). Densely packed structure of MFSPs exhibits well structural stability and electrical conductivity. For the high areal mass loading of 4.02 mg cm(-2), an areal capacity about 3 mA h cm(-2) is achieved. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：80 / 86

页数：7

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