Freestanding N‐Doped Carbon Coated CuO Array Anode for Lithium‐Ion and Sodium‐Ion Batteries

Li, Yuejiao; Zhang, Menglu; Qian, Jiasheng; Ma, Yitian; Li, Yu; Li, Wanlong; Wang, Fujie; Li, Li; Wu, Feng; Chen, Renjie

doi:10.1002/ente.201900252

Cited by 15 publications

(17 citation statements)

References 21 publications

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“…[115] Similarly, N-doped carbon-coated CuO nanorod arrays (NC-CuO) were grown on Cu net to realize freestanding electrodes for both LIBs and SIBs. [116] For SIBs, the NC-CuO-based electrodes provided a reversible capacity of 214.97 mAh g −1 after 100 cycles at a specific current of 0.5 A g −1 , benefitting from the extensive space between the single CuO nanorods and the carbon coating surface layer, which enabled high structural stability and electronic conductivity. In a very comparable study, Ni et al [117] reported CuO nanoarrays grown on 3D Cu foam.…”

Section: Copper Oxide (Cu 2 O Cuo)mentioning

confidence: 99%

Transition Metal Oxide Anodes for Electrochemical Energy Storage in Lithium‐ and Sodium‐Ion Batteries*

Fang

Bresser

Passerini³

2022

Transition Metal Oxides for Electrochemical Energy Storage

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to achieve further improved performance. As a result, the energy density of LIBs has continuously increased at a rate of 7-8 Wh kg −1 year −1 , already passing 250 Wh kg −1 at cell level (for 18650type cells). Simultaneously, the overall cost decreased substantially from initially around 1000 € kWh −1 to less than 200 € kWh −1 , [5] while a further reduction to less than 150 € kWh −1 is anticipated within the next 5 to 10 years [6] -or, in fact, might have been realized already following some recent newspaper articles. Nonetheless, further improvement is required for realizing a fully electrified transportation sector and eventually succeeding in transitioning to renewable energy sources only. For this reason, there is a great quest for alternative inactive and active materials, including inter alia the anode-not least because graphite, the state-of-theart for LIBs, which is intrinsically limiting the fast charging of the full-cell. [7,8] Another important concern is related to the availability of the required elements, including inter alia lithium, [9,10] which has led to a rapidly increasing interest in alternative charge carriers-in particular, sodium. [11][12][13] In fact, the two technologies share several similarities and, hence, room-temperature SIBs are considered a "drop-in technology," as many of the achievements obtained for LIBs can be readily implemented for SIBs. This has resulted in rapid progress for the development of SIBs within only a few years. However, there are some fundamental differences between the two systems due to the different charge carriers such as the size of the cation, the standard redox potential, or simply the different cost for the corresponding precursors-as summarized briefly in Table 1. These affect, respectively, the diffusion and transport properties, the maximum achievable energy density, or the price of the cell. Furthermore, the different reactivity of the two systems eventually also has an effect on the (decomposition) reactions at the interface between the electrode and the electrolyte, including the charge transfer and cation desolvation, before entering the host structure. With respect to the potential host structure for the negative electrode-or in other words the electrode active material-the material classes of choice are frequently carbons (e.g., graphite or hard carbons) or metal oxides. For the latter, there are essentially three different alkali cation storage mechanisms: (i) insertion (including intercalation in case of layered structures), (ii) alloying, and (iii) conversion. In case of (i) insertion-type materials, the Li + Lithium-ion batteries (LIBs) with outstanding energy and power density have been extensively investigated in recent years, rendering them the most suitable energy storage technology for application in emerging markets such as electric vehicles and stationary storage. More recently, sodium, one of the most abundant elements on earth, exhibiting similar physicochemical properties as lithium, has been gaining increasing attention for the ...

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Section: Copper Oxide (Cu 2 O Cuo)mentioning

confidence: 99%

Transition Metal Oxide Anodes for Electrochemical Energy Storage in Lithium‐ and Sodium‐Ion Batteries*

Fang

Bresser

Passerini³

2022

Transition Metal Oxides for Electrochemical Energy Storage

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“…Interestingly, as shown in Figure 3b, at a higher current density of 1000 mA g À 1 , the capacity of CuO NTs stabilized at about 758 mA h g À 1 after 200 cycles, which demonstrated that the nanotube structure effectively alleviated the volume change during the cycling process. [41] Moreover, the commercial copper oxide powder was also used to prepare the anode for LIBs, with the addition of 10 wt % conductive carbon and 10 wt% PVDF binder. Compared with commercial copper oxide powder (C-CuO), CuO NTs showed higher stability and higher capacities.…”

Section: Resultsmentioning

confidence: 99%

Self‐Supported CuO In‐Situ‐Grown on Copper Foil as Binder‐Free Anode for Lithium‐Ion Batteries

Liu

Cai

et al. 2022

ChemistrySelect

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Transition metal oxides as anode materials for lithium‐ion batteries (LIBs) possess the advantages of high specific capacity and abundance. However, most reported transition metal oxides based active anode materials were coated on the copper current collector with the addition of inactive polymer binder and conductive agents, resulting in low utilization of active substances. To solve this problem, nanostructured CuO with different morphologies (CuO bunches, CuO nanosheets, CuO nanotubes) were in‐situ grown on the copper current collectors via a simple wet chemical oxidation method. The as‐obtained CuO@Cu foils were used directly as anode for LIBs. CuO nanotubes exhibited excellent electrochemical performance and sustained a reversible discharge specific capacity of 798 mA h g−1 after 60 cycles at 100 mA g−1. At current density of 1000 mA g−1, a high specific capacity of 758 mA h g−1 can be obtained after 200 cycles. The satisfying electrochemical performances of the CuO nanotubes anode indicated that a stable composite structure of CuO@Cu foils was achieved in the binder free electrode. This work demonstrated the feasibility of this binder free strategy in the development of electrode materials for high performance lithium‐ion batteries design.

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“…Two peaks near 399.8 and 400.6 eV of the N XPS spectrum in Figure e correspond to N—C—N/N—H bonds deriving from the introduction of soybean oil. Relative researches have proved that doping a small amount of nitrogen in active materials can significantly enhance the conductivity, thus improving the electrochemical performances . As depicted in Figure f, the C 1s spectrum is composed of four peaks after refined fitting, the peak at 284.6 eV represents the sp 2 ‐bond carbon (C═C) signal, which was on account of the incompletely carbonizing SDBS during the synthetic process.…”

Section: Resultsmentioning

confidence: 99%

Plant Oil–Inspired 3D Flower‐Like Zn₃V₃O₈ Nanospheres Coupled with N‐Doped Carbon as Anode Material for Li‐/Na‐Ion Batteries

Cheng

Shi

et al. 2019

Energy Tech

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Plant oil–inspired 3D flower‐like Zn3V3O8 nanospheres coupled with nitrogen doped (N‐doped) carbon synthesized via the microemulsion/calcination strategy are used as anodes for lithium‐/sodium‐ion batteries (LIBs/SIBs). The synergistic interaction between the unique 3D flower‐like structure and the existence of N‐doped carbon can provide enough space to buffer volume expansion during the Li+/Na+ intake/outlet process and enhance conductivity, respectively. Thus, the material delivers progressive electrochemical performance. Specifically, the Zn3V3O8 nanospheres exhibit a reversible specific capacity of 1140.6 mAh g−1 after 200 cycles for LIBs and 113.0 mAh g−1 after 400 cycles for SIBs at a current density of 200 mA g−1. Furthermore, the Zn3V3O8 nanospheres electrode owns rate capability for LIBs such as 933.8, 847.9, 780.8, and 664.1 mAh g−1 at elevated current densities of 200, 400, 800, and 1600 mAh g−1, respectively. In addition, it delivers reversible capacities of 207.5, 119.2, 74.1, and 42.7 mAh g−1 at 100, 200, 500, 1000, and 2000 mA g−1 for SIBs, respectively.

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Freestanding N‐Doped Carbon Coated CuO Array Anode for Lithium‐Ion and Sodium‐Ion Batteries

Cited by 15 publications

References 21 publications

Transition Metal Oxide Anodes for Electrochemical Energy Storage in Lithium‐ and Sodium‐Ion Batteries*

Transition Metal Oxide Anodes for Electrochemical Energy Storage in Lithium‐ and Sodium‐Ion Batteries*

Self‐Supported CuO In‐Situ‐Grown on Copper Foil as Binder‐Free Anode for Lithium‐Ion Batteries

Plant Oil–Inspired 3D Flower‐Like Zn₃V₃O₈ Nanospheres Coupled with N‐Doped Carbon as Anode Material for Li‐/Na‐Ion Batteries

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Freestanding N‐Doped Carbon Coated CuO Array Anode for Lithium‐Ion and Sodium‐Ion Batteries

Cited by 15 publications

References 21 publications

Transition Metal Oxide Anodes for Electrochemical Energy Storage in Lithium‐ and Sodium‐Ion Batteries*

Transition Metal Oxide Anodes for Electrochemical Energy Storage in Lithium‐ and Sodium‐Ion Batteries*

Self‐Supported CuO In‐Situ‐Grown on Copper Foil as Binder‐Free Anode for Lithium‐Ion Batteries

Plant Oil–Inspired 3D Flower‐Like Zn3V3O8 Nanospheres Coupled with N‐Doped Carbon as Anode Material for Li‐/Na‐Ion Batteries

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Product

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Plant Oil–Inspired 3D Flower‐Like Zn₃V₃O₈ Nanospheres Coupled with N‐Doped Carbon as Anode Material for Li‐/Na‐Ion Batteries