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A Highly Stable Li4Ti5O12 Suspension Anolyte for Lithium Ion Flow Batteries
Naeem, Muhammad1,2; Zhang, Lan1; Qian, Weiwei1; Su, PeiPei1; Zhang, Suojiang1
2021-04-01
Source PublicationRUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
ISSN0036-0244
Volume95Issue:SUPPL 1Pages:S163-S170
Abstract

A flow battery is one of the most promising candidates for large scale energy storage devices due to its ease of design, construction, and control, while its energy density is yet to be enhanced. The lithium ion suspension electrode, which is usually comprised of electrolyte, active material and other additives, is an effective way to enhance the energy density of flow batteries due to their relatively high active material loading per unit of volume. However, a stable suspension electrode is difficult to be obtained mainly for two reasons, the high density of common electrode materials and the poor conductive network in the suspension. In this work, a stable Li4Ti5O12 (LTO) suspension anolyte is successfully prepared with the aid of polyethylene oxide (PEO) and carbon nanotubes (CNTs), in which PEO stabilizes the anolyte by intramolecular repulsion force, and CNT builds an integrated conductive network. The anolyte delivers a high reversible capacity of more than 140 mA h/g under 0.5C rate, and it keeps more than 80% of its initial capacity in 200 cycles was never been achieved in any previous research work. This strategy is also hopefully suitable for the design of other suspension electrodes, such as graphite and LiFePO4, which shine a light on high energy density flow battery development.

KeywordFlow Battery Suspension Electrode Li4ti5o12 Anolyte Polyethylene Oxide Carbon Nanotubes
DOI10.1134/S0036024421140156
Language英语
WOS KeywordMobility
Funding ProjectNational Key Research and Development Program of China[2016YFB0100100] ; National Natural Science Foundation of China[21706261] ; Beijing Natural Science Foundation[L172045] ; CAS-TWAS President's Fellowship Program
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Beijing Natural Science Foundation ; CAS-TWAS President's Fellowship Program
WOS IDWOS:000651489200020
PublisherMAIK NAUKA/INTERPERIODICA/SPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48720
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Lan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc,CAS Key La, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Naeem, Muhammad,Zhang, Lan,Qian, Weiwei,et al. A Highly Stable Li4Ti5O12 Suspension Anolyte for Lithium Ion Flow Batteries[J]. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A,2021,95(SUPPL 1):S163-S170.
APA Naeem, Muhammad,Zhang, Lan,Qian, Weiwei,Su, PeiPei,&Zhang, Suojiang.(2021).A Highly Stable Li4Ti5O12 Suspension Anolyte for Lithium Ion Flow Batteries.RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A,95(SUPPL 1),S163-S170.
MLA Naeem, Muhammad,et al."A Highly Stable Li4Ti5O12 Suspension Anolyte for Lithium Ion Flow Batteries".RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 95.SUPPL 1(2021):S163-S170.
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