O3-type layered transition metal oxide Na(NiCoFeTi)<sub>1/4</sub>O<sub>2</sub> as a high rate and long cycle life cathode material for sodium ion batteries

Yue, Ji-Li; Zhou, Yong‐Ning; Yu, Xiqian; Bak, Seong‐Min; Yang, Xiao‐Qing; Fu, Zheng‐Wen

doi:10.1039/c5ta05769h

Cited by 107 publications

(62 citation statements)

References 23 publications

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“…The electrochemical Na-ion intercalation behavior of layered transition-metal oxides was examined by Delmas and co-workers in the early 1980s. The significant role of the inactive Ti ions in promoting the battery performance of layered sodium-containing electrodes is also found in other reports [39][40][41][42] and has been reviewed in a previous paper. However, these authors have identified many structural properties of layered and trigonal-prismatic interstitial sites, respectively.…”

Section: Layered Transition-metal Oxidessupporting

confidence: 63%

Exploration of Advanced Electrode Materials for Rechargeable Sodium‐Ion Batteries

Sun

Guo

Zhou

2018

Advanced Energy Materials

234

131

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As the rapid growth of the lithium‐ion battery (LIB) market raises concerns about limited lithium resources, rechargeable sodium‐ion batteries (SIBs) are attracting growing attention in the field of electrical energy storage due to the large abundance of sodium. Compared with the well‐developed commercial LIBs, all components of the SIB system, such as the electrode, electrolyte, binder, and separator, need further exploration before reaching a practical industrial application level. Drawing lessons from the LIB research, the SIB electrode materials are being extensively investigated, resulting in tremendous progress in recent years. In this article, the progress of the research on the development of electrode materials for SIBs is summarized. A variety of new electrode materials for SIBs, including transition‐metal oxides with a layered or tunnel structure, polyanionic compounds, and organic molecules, have been proposed and systematically investigated. Several promising materials with moderate energy density and ultra‐long cycling performance are demonstrated. Appropriate doping and/or surface treatment methodologies are developed to effectively promote the electrochemical properties. The challenges of and opportunities for exploiting satisfactory SIB electrode materials for practical applications are outlined.

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Section: Layered Transition-metal Oxidessupporting

confidence: 63%

Exploration of Advanced Electrode Materials for Rechargeable Sodium‐Ion Batteries

Sun

Guo

Zhou

2018

Advanced Energy Materials

234

131

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“…8,13,22,23 Fe 4+ in this compound was observed by Yue et al, 18 and other work also showed oxidation of Fe 3+ to Fe 4+ below 4 V. 6,8,13 We found the latter in Figure S1. Thus, the reversible and irreversible plateaus at 2.8 and Figure 3c may originate from the O3-P3 transition and Fe 4+ migration, respectively.…”

Section: Discussionsupporting

confidence: 80%

“…The XAS result suggests that Ti likely remains inert while other transition metals can be redox-active upon cycling. 18 we obtain improved capacity at this rate, which may result from different electrode preparation methods and/or electrolytes used. An average decay rate of the discharge capacity plotted in Figure 3b is 0.55% per cycle.…”

mentioning

confidence: 92%

Communication—O3-Type Layered Oxide with a Quaternary Transition Metal Composition for Na-Ion Battery Cathodes: NaTi_0.25Fe_0.25Co_0.25Ni_0.25O₂

Vassilaras

Dacek

Fister

et al. 2017

J. Electrochem. Soc.

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NaTi 0.25 Fe 0.25 Co 0.25 Ni 0.25 O 2 is explored as a cathode material for Na-ion batteries. Synthesized by a solid-state reaction, the compound is phase-pure with the O3-type layered structure and consists of Ti 4+ , Fe 3+ , Co 3+ , and Ni 2+ according to X-ray absorption spectroscopy. The cathode delivers 163 mAh/g and 504 Wh/kg at C/20 in the first discharge with 89% capacity retention after 20 cycles and demonstrates superior rate capability with micron sized particles, in which discharge capacity at 30 C is 80 mAh/g. Our results indicate that the Ti-containing quaternary material can be a potential cathode composition for Na-ion batteries. Rechargeable batteries that reversibly cycle Na ions are a costeffective alternative to the Li-based technology to meet increasing demand and need for grid-level energy storage.1 Unlike Li cathode chemistries that heavily rely on Co and Ni, Na-intercalating oxides tend to form energy-dense layered structures with almost all transition metals including Cu, 2-4 allowing a broad selection and combination of redox centers to tune electrochemical properties and air-stability. In particular, Fe is an attractive metal due to its high redox potential and natural abundance.5 However, the performance of layered NaFeO 2 as a cathode is impractical; Fe 4+ migration upon desodiation destabilizes the structure, leading to poor Na ion mobility and irreversibility. 6 The charged state stability of the layered structure, and thereby their electrochemical properties, 7 can be enhanced by partially substituting Fe into redox-inactive elements and/or other transition metals.8-11 Li et al. proposed an optimal Fe content (< ∼33%) that promotes Na diffusion at the high state of charge.12,13 Here, we use Ti 4+ as a structural stabilizer and report an O3-type 14 Na transition metal oxide (O3-NaMO 2 ) composition, NaTi 0.25 Fe 0.25 Co 0.25 Ni 0.25 O 2 (TFCN), for the optimized Fe redox activity. Our results demonstrate a substantial amount of reversible Na intercalation and high rate capability of TFCN, implying that the material may be successfully used as a Na-ion battery cathode. MethodsA stoichiometric amount of transition metal precursors (TiO 2 , Fe 2 O 3 , Co 3 O 4 , and NiCO 3 , all from Sigma-Aldrich) were mixed with 20% excess Na 2 O (Sigma-Aldrich) by planetary ballmilling at 500 rpm for 4 hours. The resulting mixture was fired at 900• C for 12 hours under flowing O 2 , quenched to room temperature, and transferred to an Ar-filled glove box to prevent air-exposure. The crystal structure and particle morphology of as-prepared TFCN were analyzed by X-ray diffraction (XRD, PANalytical X'Pert Pro) with Rietveld refinement and scanning electron microscopy (SEM, Zeiss Merlin), respectively. Transition metal oxidation states were probed by X-ray absorption spectroscopy (XAS) obtained at Advanced Photon Source (13ID-E) in Argonne National Laboratory. For half-cell tests, cathodes were prepared by mixing the active material, Super P (Timcal) carbon, and polytetrafluoroethylene (Dupont) binder i...

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“…[214] The transition metal ratio control strategy was applied to the P2-Na 2/3 Mn 1/3 Fe 1/3 Co 1/3 O 2 cathode, for which stable cyclic behavior was obtained by limiting the voltage cutoff to 4.1 V versus Na + /Na. [215] In addition, the electrochemical properties of Ni/Co/Fe-based O3-NaNi 1/3 Co 1/3 Fe 1/3 O 2 [216] and O3-Na(NiCoFeTi) 1/4 O 2 [217] were also explored as cathode materials for SIBs.…”

Section: Wwwadvenergymatdementioning

confidence: 99%

Layered Oxide Cathodes for Sodium‐Ion Batteries: Phase Transition, Air Stability, and Performance

Wang

You

Yin

et al. 2017

Advanced Energy Materials

660

464

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sources into large-scale grids, inexpensive, efficient, and fast-responding electrical energy storage (EES) systems are essential to store the off-peak energy and releasing the stored energy during the onpeak period. Among various EES systems, rechargeable batteries represent one of the most competitive technologies because of their high conversion efficiency and environmental friendliness. [1][2][3][4] For stationary EES systems, batteries with low cost, high safety, high rate capability, and long cycle stability are highly desired.Lithium (Li)-ion batteries (LIBs) have achieved great success in the market of portable electronics and electric vehicles since their commercialization by Sony Company in 1991. However, the shortage of Li resources in nature gives rise to a concern about its sustainable development in grid scale. Compared with Li, sodium resource has rich natural abundance in the earth crust and a worldwide distribution, consequently leading to a low price of sodium-based raw materials (e.g., the cost of Na 2 CO 3 is about 25-30 times lower than that of Li 2 CO 3 ). Besides, sodium has a suitable redox potential (E 0 (Na + /Na) = −2.71 V versus standard hydrogen electrode (SHE), 0.3 V above that of Li + /Li) and similar physical and chemical properties with lithium. [5,6] Therefore, rechargeable sodium-ion batteries (SIBs), which have a similar "rockingchair" working principle of LIBs, are emerging as an appealing choice as alternatives for LIBs. Note that it is difficult for SIBs to bypass LIBs in terms of energy densities because of the much higher weight of Na and lower standard electrochemical potential. [7][8][9][10] Nevertheless, the use of low-cost materials, including inexpensive Na-based raw materials and Al current collectors for both cathodes and anodes in SIBs, could significantly reduce the cost. In this case, SIBs could be applied where cost-effectiveness rather than energy density is the most critical issue, e.g., in the field of large-scale EES. As a result, sodiumbased electroactive materials are enjoying renewed interest especially for very low cost systems for grid storage. [11,12] Given that cathode materials are the key component that determines energy density and cost, tremendous efforts have been devoted to exploring suitable positive electrode materials with high reversible capacity, rapid Na ions insertion/extraction, and good cycling stability in the past few years. [13,14] A broad range of compounds, including layered oxides, polyanionic frameworks, hexacyanoferrates, and organics, haveThe increasing demand for replacing conventional fossil fuels with clean energy or economical and sustainable energy storage drives better battery research today. Sodium-ion batteries (SIBs) are considered as a promising alternative for grid-scale storage applications due to their similar "rockingchair" sodium storage mechanism to lithium-ion batteries, the natural abundance, and the low cost of Na resources. Searching for appropriate electrode materials with acceptable electrochemical perfor...

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O3-type layered transition metal oxide Na(NiCoFeTi)_1/4O₂ as a high rate and long cycle life cathode material for sodium ion batteries

Cited by 107 publications

References 23 publications

Exploration of Advanced Electrode Materials for Rechargeable Sodium‐Ion Batteries

Exploration of Advanced Electrode Materials for Rechargeable Sodium‐Ion Batteries

Communication—O3-Type Layered Oxide with a Quaternary Transition Metal Composition for Na-Ion Battery Cathodes: NaTi_0.25Fe_0.25Co_0.25Ni_0.25O₂

Layered Oxide Cathodes for Sodium‐Ion Batteries: Phase Transition, Air Stability, and Performance

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O3-type layered transition metal oxide Na(NiCoFeTi)1/4O2 as a high rate and long cycle life cathode material for sodium ion batteries

Cited by 107 publications

References 23 publications

Exploration of Advanced Electrode Materials for Rechargeable Sodium‐Ion Batteries

Exploration of Advanced Electrode Materials for Rechargeable Sodium‐Ion Batteries

Communication—O3-Type Layered Oxide with a Quaternary Transition Metal Composition for Na-Ion Battery Cathodes: NaTi0.25Fe0.25Co0.25Ni0.25O2

Layered Oxide Cathodes for Sodium‐Ion Batteries: Phase Transition, Air Stability, and Performance

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O3-type layered transition metal oxide Na(NiCoFeTi)_1/4O₂ as a high rate and long cycle life cathode material for sodium ion batteries

Communication—O3-Type Layered Oxide with a Quaternary Transition Metal Composition for Na-Ion Battery Cathodes: NaTi_0.25Fe_0.25Co_0.25Ni_0.25O₂