Nanostructured LiMn2O4 prepared by a glycine-nitrate process for lithium-ion batteries

Zhang, Yuelan; Shin, Heon‐Cheol; Dong, Jian; Liu, Meilin

doi:10.1016/j.ssi.2004.04.008

Cited by 64 publications

(23 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As shown in Figure 4 a , two pairs of separated redox peaks can be clearly observed for all the materials, suggesting that lithium ions are extracted and inserted from/into the spinel phase by a two-step process: [ 28 ] than that of two micro-sized samples at the same rate. The rate capability is also much better than that of the nano-sized spinel LiMn 2 O 4 reported by Li et al [ 20 ] and Zhang et al [ 31 ] The good rate capability is clearly attributed to the fast Li + ions diffusion within this unique nanotubular structures and robust tubular wall, [ 32 ] which can provide three different contact areas in the electrode/electrolyte interfaces, that is, inner surface, outer surface and ends of the tube. Therefore, rapid electrode reactions are guaranteed due to the multi-channels for Li + ions diffusion.…”

Section: Electrochemical Intercalation/deintercalation Behavior Of Lmmentioning

confidence: 74%

Single-Crystalline LiMn2O4 Nanotubes Synthesized Via Template-Engaged Reaction as Cathodes for High-Power Lithium Ion Batteries

et al. 2010

View full text Add to dashboard Cite

measurements indicate that the nanotubes exhibit superior high-rate capabilities and good cycling stability. About 70% of its initial capacity can be retained after 1500 cycles at 5 C rate. Importantly, the tubular nanostructures and the single-crystalline nature of the most LiMn 2 O 4 nanotubes are also well preserved after prolonged charge/discharge cycling at a relatively high current density, indicating good structural stability of the single-crystalline nanotubes during lithium intercalation/deintercalation process. As is confi rmed from Raman spectra analyses, no evident microstructural changes occur upon long-term cycling. These results reveal that single-crystalline nanotubes of LiMn 2 O 4 will be one of the most promising cathode materials for high-power lithium ion batteries.

show abstract

Section: Electrochemical Intercalation/deintercalation Behavior Of Lmmentioning

confidence: 74%

Single-Crystalline LiMn2O4 Nanotubes Synthesized Via Template-Engaged Reaction as Cathodes for High-Power Lithium Ion Batteries

et al. 2010

View full text Add to dashboard Cite

show abstract

“…Nanostructured spinel LiMn 2 O 4 has shown a remarkably improved electrochemical performance in comparison with bulk spinel LiMn 2 O 4 . [157][158][159][160][161][162][163][164][165] In particular, porous spinel LiMn 2 O 4 nanostructures showed great promise for further improvement of their electrochemical performance during long-term use. 166 The porous structure generally offers a large active surface, short diffusion lengths of charge carriers (i.e., Li + ), and sufficient electrolyte pathways, which are responsible for improving Li + mobility in the given structure.…”

Section: Lithium-ion Batteries (Libs)mentioning

confidence: 99%

Porous nanoarchitectures of spinel-type transition metal oxides for electrochemical energy storage systems

Park

Kim

et al. 2015

Phys. Chem. Chem. Phys.

154

View full text Add to dashboard Cite

. (2015). Porous nanoarchitectures of spinel-type transition metal oxides for electrochemical energy storage systems. Physical Chemistry Chemical Physics, 17 (46), 30963-30977. Porous nanoarchitectures of spinel-type transition metal oxides for electrochemical energy storage systems AbstractTransition metal oxides possessing two kinds of metals (denoted as AxB3-xO4, which is generally defined as a spinel structure; A, B = Co, Ni, Zn, Mn, Fe, etc.), with stoichiometric or even non-stoichiometric compositions, have recently attracted great interest in electrochemical energy storage systems (ESSs). The spinel-type transition metal oxides exhibit outstanding electrochemical activity and stability, and thus, they can play a key role in realising cost-effective and environmentally friendly ESSs. Moreover, porous nanoarchitectures can offer a large number of electrochemically active sites and, at the same time, facilitate transport of charge carriers (electrons and ions) during energy storage reactions. In the design of spinel-type transition metal oxides for energy storage applications, therefore, nanostructural engineering is one of the most essential approaches to achieving high electrochemical performance in ESSs. In this perspective, we introduce spinel-type transition metal oxides with various transition metals and present recent research advances in material design of spinel-type transition metal oxides with tunable architectures (shape, porosity, and size) and compositions on the micro-and nano-scale. Furthermore, their technological applications as electrode materials for next-generation ESSs, including metal-air batteries, lithium-ion batteries, and supercapacitors, are discussed. The spinel-type transition metal oxides exhibit outstanding electrochemical activity and stability, and thus, they can play a key role in realising cost-effective and environmentally friendly ESSs. Moreover, porous nanoarchitectures can offer a large number of electrochemically active sites and, at the same time, facilitate transport of charge carriers (electrons and ions) during energy storage reactions. In the design of spinel-type transition metal oxides for energy storage applications, therefore, nanostructural engineering is one of the most essential approaches to achieving high electrochemical performance in ESSs. In this perspective, we introduce spinel-type transition metal oxides with various transition metals and present recent research advances in material design of spinel-type transition metal oxides with tunable architectures (shape, porosity, and size) and compositions on the micro-and nano-scale.Furthermore, their technological applications as electrode materials for next-generation ESSs, including metal-air batteries, lithium-ion batteries, and supercapacitors, are discussed.

show abstract

“…These conventional solid state methods are not relevant to produce nanosized spinel LiMn 2 O 4 , since repeated heat treatments at high temperatures are necessary, which leads to large particle size, inhomogeneity, irregular morphology and broad particle size distribution. [134][135][136][137] Thus, a sustained effort of many researchers has gone into the development of new synthetic methods to yield nanocrystalline LiMn 2 O 4 particles, such as acetate based chemical solution route, 138 reduction of manganese dioxide by glucose, 139 modified citrate route, 140 ultrasonic spray pyrolysis, 141 sol-gel using citric acid, 142 nitrate based chemical solution route, 143 mechanochemical synthesis, 144 sol-gel method, 27 self-combustion reaction, 145 glycine nitrate combustion process 146 and solid state reaction followed by ball milling. 147 Depending on the synthetic procedure, nanosized LiMn 2 O 4 with different physical and chemical properties, such as crystallinity, amount of combined water, specific surface area, porosity and conductivity were obtained.…”

Section: Manganese Oxidesmentioning

confidence: 99%

Cathodes for lithium ion batteries: the benefits of using nanostructured materials

Camilo¹,

Torresi²

2006

J. Braz. Chem. Soc.

View full text Add to dashboard Cite

As celas de íon lítio disponíveis comercialmente, as quais são as mais avançadas entre as baterias recarregáveis disponíveis até agora, empregam óxidos de metais de transição microcristalinos como catodos, os quais funcionam como matrizes de inserção de lítio. Em busca por uma melhor performance eletroquímica, o uso de nanomateriais no lugar dos materiais convencionais tem emergido como excelente alternativa. Nesta revisão nós apresentaremos uma breve introdução sobre as motivações de usar materiais nanoestruturados como catodos em baterias de íon-lítio. Para ilustrar tais vantagens apresentamos exemplos de pesquisas relacionadas com a preparação e dados eletroquímicos dos mais usados catodos em nanoescala, tais como LiCoO 2 , LiMn 2 O 4 , LiMnO 2 , LiV 2 O 5 e LiFePO 4 .Commercially available lithium ion cells, which are the most advanced among rechargeable batteries available so far, employ microcrystalline transition metal oxides as cathodes, which function as Li insertion hosts. In search for better electrochemical performance the use of nanomaterials in place of these conventional ones has emerged as excellent alternative. In this review we present a brief introduction about the motivations to use nanostructured materials as cathodes in lithium ion batteries. To illustrate such advantages we present some examples of research directed toward preparations and electrochemical data of the most used cathodes in nanoscale, such as LiCoO 2 , LiMn 2 O 4 , LiMnO 2 , LiV 2 O 5 e LiFePO 4 .Keywords: nanotechnology, lithium-ion battery, cathode, nanoparticles Initial RemarksSince Sony introduced its 18650 cell in 1990, 1 Li-ion batteries with excellent electrochemical performance have been manufactured and occupied a prime position in the market place 2 to power portable and non-portable devices. [3][4][5] The reason for this relevance is that compared to traditional rechargeable batteries such as, lead acid and Ni-Cd, the lithium-ion battery shows several advantages, such as lighter in weight, smaller in dimension and higher energy density. 1 Moreover, although capacity values may be similar to other rechargeable systems, voltages are approximately three times higher, affording higher energy. 1 In general, the commercial lithium-ion batteries use graphite-lithium composite, Li x C 6 , as anode, lithium cobalt oxide, LiCoO 2 , as cathode and a lithium-ion conducting electrolyte. When the cell is charged, lithium is extracted from the cathode and inserted at the anode. On discharge, the lithium ions are released by the anode and taken up again by the cathode (Figure 1).Owing to the importance of lithium ion batteries, these cells are still object of intense research to enhance their properties and characteristics. The searches focus on all aspects of these batteries, including improved anodes, 6-8 cathodes 9-17 and electrolytes. [18][19][20][21][22] However, most of these efforts are concentrated in new cathode materials, since the most used cathode material (LiCoO 2 ) is expensive and is somewhat toxic.The active catho...

show abstract

Nanostructured LiMn2O4 prepared by a glycine-nitrate process for lithium-ion batteries

Cited by 64 publications

References 26 publications

Single-Crystalline LiMn2O4 Nanotubes Synthesized Via Template-Engaged Reaction as Cathodes for High-Power Lithium Ion Batteries

Single-Crystalline LiMn2O4 Nanotubes Synthesized Via Template-Engaged Reaction as Cathodes for High-Power Lithium Ion Batteries

Porous nanoarchitectures of spinel-type transition metal oxides for electrochemical energy storage systems

Cathodes for lithium ion batteries: the benefits of using nanostructured materials

Contact Info

Product

Resources

About