Recent progress in rational design of anode materials for high-performance Na-ion batteries

Cui, Jiang; Yao, Shanshan; Kim, Jang Kyo

doi:10.1016/j.ensm.2016.12.005

Cited by 213 publications

(108 citation statements)

References 349 publications

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“…Due to the large abundance and low cost of sodium resources and similar chemical/electrochemical properties to established lithium‐ion batteries (LIBs), room temperature sodium‐ion batteries (SIBs) emerge as a potential technology for grid‐scale energy storage . A large number of materials, such as transition metal oxides, phosphates, ferrocyanides, metal alloys, and hard carbon, have been investigated and have shown acceptable electrochemical performance, and some reviews have summarized recent developments in electrodes for SIBs . However, due to the higher molar weight of the Na element and more positive standard electrochemical potential of Na/Na + (compared to Li/Li + ), SIBs exhibit lower energy densities than LIBs.…”

Section: Introductionmentioning

confidence: 99%

Recent Progress in Iron‐Based Electrode Materials for Grid‐Scale Sodium‐Ion Batteries

Fang

Chen

Xiao

et al. 2018

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153

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Grid-scale energy storage batteries with electrode materials made from low-cost, earth-abundant elements are needed to meet the requirements of sustainable energy systems. Sodium-ion batteries (SIBs) with iron-based electrodes offer an attractive combination of low cost, plentiful structural diversity and high stability, making them ideal candidates for grid-scale energy storage systems. Although various iron-based cathode and anode materials have been synthesized and evaluated for sodium storage, further improvements are still required in terms of energy/power density and long cyclic stability for commercialization. In this Review, progress in iron-based electrode materials for SIBs, including oxides, polyanions, ferrocyanides, and sulfides, is briefly summarized. In addition, the reaction mechanisms, electrochemical performance enhancements, structure-composition-performance relationships, merits and drawbacks of iron-based electrode materials for SIBs are discussed. Such iron-based electrode materials will be competitive and attractive electrodes for next-generation energy storage devices.

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Section: Introductionmentioning

confidence: 99%

Recent Progress in Iron‐Based Electrode Materials for Grid‐Scale Sodium‐Ion Batteries

Fang

Chen

Xiao

et al. 2018

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153

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“…The accumulation of the SEI layer,w hich not only increased the electrode resistance but also decreased the number of electroactives ites, led to the capacity fading.I nc ontrast, the adhesive and dispersant nature of NaCMC, [11] when mixed with NaPAA, improved the wetting and spreading of the binder on the active particles urface. [16,70,71] Figure S11c ompares the surfacea ppearances of the electrodes after 300 charge-discharge cycles.F or the PVDF electrode, some of the Cu substrate was exposed (owing to the detachment of the active material layer), whereas the NaCMC/NaPAA electrode retained the bestm echanical integrity.T he corresponding electrode morphologies examined using SEM are shown in Figure 6. After 150 cycles,t he capacity retentionr atios were 56 %, 64 %, 66 %, and 73 %f or the PVDF,N aCMC, NaPAA, and NaCMC/NaPAA electrodes, respectively.T he decreased durability at ah igh sodiation-desodiation rate suggested that the electrode volume expansion/shrinkage, rather than other parasitic reactions, was mainly responsible for the capacity decay.Agood binder,e ven thoughi ta ccountsf or only as mall portion of the electrode, plays as ignificant role in cycling stability, especially under high-rate operation.…”

Section: Resultsmentioning

confidence: 99%

A Water‐Soluble NaCMC/NaPAA Binder for Exceptional Improvement of Sodium‐Ion Batteries with an SnO₂‐Ordered Mesoporous Carbon Anode

Patra

Rath

et al. 2018

ChemSusChem

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SnO2@CMK‐8 composite, a highly promising anode for Na‐ion batteries (NIBs), was incorporated with polyvinylidene difluoride (PVDF), sodium carboxymethylcellulose (NaCMC), sodium polyacrylate (NaPAA), and NaCMC/NaPAA mixed binders to optimize the electrode sodiation/desodiation properties. Synergistic effects between NaCMC and NaPAA led to the formation of an effective protective film on the electrode. This coating layer not only increased the charge–discharge Coulombic efficiency, suppressing the accumulation of solid–electrolyte interphases, but also kept the SnO2 nanoparticles in the CMK‐8 matrix, preventing the agglomeration and removal of oxide upon cycling. The adhesion strength and stability towards the electrolyte of the binders were evaluated. In addition, the charge–transfer resistance and apparent Na+ diffusion of the SnO2@CMK‐8 electrodes with various binders were examined and post‐mortem analyses were conducted. With NaCMC/NaPAA binder, exceptional electrode capacities of 850 and 425 mAh g−1 were obtained at charge–discharge rates of 20 and 2000 mA g−1, respectively. After 300 cycles, 90 % capacity retention was achieved. The thermal reactivity of the sodiated electrodes was studied by using differential scanning calorimetry. The binder effects on NIB safety, in terms of thermal runaway, are discussed.

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“…All in all, through nanostructure engineering and hybridization with conductive materials, the obtained composites often show better electrochemical performance compared to bulk electrodes and pure nanostructured electrodes in terms of rate capability and cycling stability. The improvement in performance is very limited, however, for the engineered composites of metal oxides and phosphides . The reversible capacities of the oxides and phosphides discussed above are still much lower than their theoretical capacities.…”

Section: Strategies Toward High Rate Capability and Stable Cycling Pementioning

confidence: 99%

The State and Challenges of Anode Materials Based on Conversion Reactions for Sodium Storage

Dou

2018

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Sodium-ion batteries (SIBs) have huge potential for applications in large-scale energy storage systems due to their low cost and abundant sources. It is essential to develop new electrode materials for SIBs with high performance in terms of energy density, cycle life, and cost. Metal binary compounds that operate through conversion reactions hold promise as advanced anode materials for sodium storage. This Review highlights the storage mechanisms and advantages of conversion-type anode materials and summarizes their recent development. Although conversion-type anode materials have high theoretical capacities and abundant varieties, they suffer from multiple challenging obstacles to realize commercial applications, such as low reversible capacity, large voltage hysteresis, low initial coulombic efficiency, large volume changes, and low cycling stability. These key challenges are analyzed in this Review, together with emerging strategies to overcome them, including nanostructure and surface engineering, electrolyte optimization, and battery configuration designs. This Review provides pertinent insights into the prospects and challenges for conversion-type anode materials, and will inspire their further study.

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Recent progress in rational design of anode materials for high-performance Na-ion batteries

Cited by 213 publications

References 349 publications

Recent Progress in Iron‐Based Electrode Materials for Grid‐Scale Sodium‐Ion Batteries

Recent Progress in Iron‐Based Electrode Materials for Grid‐Scale Sodium‐Ion Batteries

A Water‐Soluble NaCMC/NaPAA Binder for Exceptional Improvement of Sodium‐Ion Batteries with an SnO₂‐Ordered Mesoporous Carbon Anode

The State and Challenges of Anode Materials Based on Conversion Reactions for Sodium Storage

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Recent progress in rational design of anode materials for high-performance Na-ion batteries

Cited by 213 publications

References 349 publications

Recent Progress in Iron‐Based Electrode Materials for Grid‐Scale Sodium‐Ion Batteries

Recent Progress in Iron‐Based Electrode Materials for Grid‐Scale Sodium‐Ion Batteries

A Water‐Soluble NaCMC/NaPAA Binder for Exceptional Improvement of Sodium‐Ion Batteries with an SnO2‐Ordered Mesoporous Carbon Anode

The State and Challenges of Anode Materials Based on Conversion Reactions for Sodium Storage

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A Water‐Soluble NaCMC/NaPAA Binder for Exceptional Improvement of Sodium‐Ion Batteries with an SnO₂‐Ordered Mesoporous Carbon Anode