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Performance-improved Li-O-2 battery with Ru nanoparticles supported on binder-free multi-walled carbon nanotube paper as cathode
F. J. Li; Y. Chen; D. M. Tang; Z. L. Jian; C. Liu; D. Golberg; A. Yamada; H. S. Zhou
2014
Source PublicationEnergy & Environmental Science
ISSN1754-5692
Volume7Issue:5Pages:1648-1652
AbstractRu nanoparticles have been deposited onto a multi-walled carbon nanotube paper (Ru@MWCNTP) via a wet chemical method. The resulting catalyst, Ru@MWCNTP has been demonstrated to significantly reduce the charge overpotentials of the Li-O-2 battery at a current density of 500 mA g(-1). The reversible formation and decomposition of Li-2-O-2 can be revealed by X-ray diffraction (XRD). In the initial 20 cycles of discharge and charge, the Li-O-2 battery with Ru@MWCNTP presents a stable capacity of 5000 mA h g(-1) and an almost constant discharge-charge potential, contrasting with the quickly decaying capacity of the bare MWCNTP without the addition of Ru nanoparticles. The combination of the porous networks of the multi-walled carbon nanotubes (MWCNTs), which are beneficial for the facile transport of both electrons and oxygen, and the superior catalytic activity of Ru nanoparticles enables a good cycling performance and rate capability of the Li-O-2 battery.
description.department[li, fujun ; chen, yong ; jian, zelang ; zhou, haoshen] natl inst adv ind sci & technol, energy technol res inst, tsukuba, ibaraki 3058568, japan. [chen, yong] hainan univ, hainan prov key lab res utilizat si zr ti resourc, key lab trop biol resources, minist educ, haikou 570228, peoples r china. [zhou, haoshen] nanjing univ, natl lab solid state microstruct, nanjing 210093, jiangsu, peoples r china. [zhou, haoshen] nanjing univ, ctr energy storage mat & technol, nanjing 210093, jiangsu, peoples r china. [li, fujun ; yamada, atsuo ; zhou, haoshen] univ tokyo, dept chem syst engn, bunkyo ku, tokyo 1138656, japan. [tang, dai-ming ; golberg, dmitri] natl inst mat sci, int ctr young scientists, tsukuba, ibaraki 3050044, japan. [tang, dai-ming ; golberg, dmitri] natl inst mat sci, world premier int wpi ctr mat, tsukuba, ibaraki 3050044, japan. [liu, chang] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; li, fj (reprint author), natl inst adv ind sci & technol, energy technol res inst, 1-1-1 umezono, tsukuba, ibaraki 3058568, japan. ; ychen2002@163.com ; hs.zhou@aist.go.jp
KeywordLithium-oxygen Batteries Air Batteries Electrolyte Catalysts Rechargeability Oxidation Li2o2
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72863
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
F. J. Li,Y. Chen,D. M. Tang,et al. Performance-improved Li-O-2 battery with Ru nanoparticles supported on binder-free multi-walled carbon nanotube paper as cathode[J]. Energy & Environmental Science,2014,7(5):1648-1652.
APA F. J. Li.,Y. Chen.,D. M. Tang.,Z. L. Jian.,C. Liu.,...&H. S. Zhou.(2014).Performance-improved Li-O-2 battery with Ru nanoparticles supported on binder-free multi-walled carbon nanotube paper as cathode.Energy & Environmental Science,7(5),1648-1652.
MLA F. J. Li,et al."Performance-improved Li-O-2 battery with Ru nanoparticles supported on binder-free multi-walled carbon nanotube paper as cathode".Energy & Environmental Science 7.5(2014):1648-1652.
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