Construction of unique heterogeneous cobalt–manganese oxide porous microspheres for the assembly of long-cycle and high-rate lithium ion battery anodes

Wu, Bin; Xie, Yue; Meng, Yaqin; Qian, Cheng; Chen, Yingying; Yuan, Aihua; Guo, Xingmei; Yang, Hongxun; Shijian, Wan; Lin, Shengling

doi:10.1039/c8ta09028a

Cited by 99 publications

(50 citation statements)

References 68 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…To reveal the capacity change, the galvanostatic charge/discharge curves of CCTNBs are presented for the 1st, 100th, 200th, 400th, and 600th cycles within a voltage range of 0.01–3.0 V (Figure b). The reversible capacity gradually increases with the increase in cycle number, whereas the corresponding internal resistance gradually decreases at 1st, 400th, and 600th cycles, as shown in Figure S3 and Table S4, Supporting Information, due to the gradual formation and continuous optimization of SEI film originating from kinetic activation in the electrode . As shown in Figure c, of note is the discharge capacity fading during the first 100 cycles for CCTNBs, which is normally observed for transitional metal oxide‐based anodes.…”

Section: Resultsmentioning

confidence: 83%

Tailored Synthesis of Coral‐Like CoTiO₃/Co₃O₄/TiO₂ Nanobelts with Superior Lithium Storage Capability

Líu

Guo

et al. 2019

Energy Tech

View full text Add to dashboard Cite

A facile yet efficient two‐step electrospinning calcination strategy is smartly developed to construct 1D hierarchical coral‐like CoTiO3/Co3O4/TiO2 hybrid nanobelts. The 1D coral‐like nanohybrid is homogeneously constructed from well‐dispersed CoTiO3 nanobelts and uniformly distributed secondary crystalline Co3O4/TiO2 nanoparticle building blocks. When evaluated as anodes for lithium‐ion batteries (LIBs), the hybrid CoTiO3/Co3O4/TiO2 nanobelt electrode exhibits a promising reversible capacity of 722.3 mAh g−1 at 100 mA g−1 after 250 cycles and has excellent cyclability with a capacity of 256.7 mAh g−1 after 1000 cycles at a current density of 2000 mA g−1. The imitating 1D coral‐like structural pattern is beneficial to alleviate the nanoparticle agglomeration and increase the contact area with the electrolyte, leading to the short diffusion path and facilitating the rapid transfer of lithium ions. The high‐level secondary nanobuilding blocks offer a large specific surface area, high surface‐to‐bulk ratio, and fast interfacial ion transport. Herein, it strongly sheds light on the elegant design concept of the hybrid for fabricating next‐generation advanced rechargeable LIBs.

show abstract

Section: Resultsmentioning

confidence: 83%

Tailored Synthesis of Coral‐Like CoTiO₃/Co₃O₄/TiO₂ Nanobelts with Superior Lithium Storage Capability

Líu

Guo

et al. 2019

Energy Tech

View full text Add to dashboard Cite

show abstract

“…[44][45][46] The peak located at 39.61° of Zn-Co-Se is slightly shifted toward a lower diffraction angle because of the substation of Co 2+ ions into Zn 2+ ions. [49,50] As shown in Figure 4f, the Se spectrum in Zn-Mn-Se and Zn-Co-Se exhibits two main peaks at 58.81 and 54.7 eV that are ascribed to be Se3d 3/2 , and Se3d 5/2 , suggesting the metal selenium bond. To further understand the interaction between the three transition metals (Zn, Co, and Mn) with selenium, XPS analysis was conducted after the electrodeposition.…”

Section: Resultsmentioning

confidence: 95%

Selective Growth of Zn–Co–Se Nanostructures on Various Conductive Substrates for Asymmetric Flexible Hybrid Supercapacitor with Enhanced Performance

Chebrolu

Balakrishnan

Chinnadurai

et al. 2019

Adv Materials Technologies

View full text Add to dashboard Cite

laptops, rollup displays, and wearable devices. [1][2][3][4][5][6][7][8][9][10] Though, several kinds of renewable energy sources have attracted great attention including, rechargeable batteries, supercapacitors (SCs), and fuel cells. Among them, SCs hold great promise for fast charging, [11] while batteries take hours to recharge. [12] SCs have witnessed broad application prospects such as those in cameras, electric vehicles (EVs), railways, and aerospace due to their superior power density, tiny volume, and lifespan, [13,14] but small specific capacitance and low operating voltage critically fulfill the demands for EVs with high energy density. Therefore, researchers are driving toward in creating new kinds of electrode material with high specific capacity, or the operation potential window (V), and the electrochemical performance in SCs is significantly dependent on the physicochemical properties of electrode materials. [15] Nanostructured transitionmetal oxides [16][17][18][19][20] and conducting polymers are widely exploited as a positive electrode material for SCs because of their unique multiple oxidation states of transition metal ions, reversible faradic reactions, and high specific capacitance properties compared to that of carbonaceous materials (e.g., graphite, activated carbon). [21][22][23] Nevertheless, the power density, low electronic conductivity, and poor cycling stability arising from the metal oxide/polymers limit their wide application for SCs.Recently, battery-type metal selenides, phosphates, and nitrides have been attracted enormous attention, being developed as a new type of electroactive materials in the field of energy storage and conversion systems due to its low electronegativity and rich redox reactions when compared to the corresponding oxides. Indeed, some metal nitrides [24] and sulfides [25] have been reported as new electroactive materials for SCs and often show better performance than oxides. Besides, metal selenides, as an important class of metal chalcogenides, possess high electrical conductivity and widely employed as electrocatalysts, [26][27][28][29] dye-sensitized solar cells (DSSCs), [30,31] and SCs. [32] Recent reports highlight that metal selenides might be effective electrode material for SCs. [32][33][34][35][36][37][38][39][40][41][42] In their reports, the presence of selenium atom greatly enhanced electrochemical active sites. In another point of view, the cation substituted in transition metals Hybrid supercapacitors have received great interest in the field of electric vehicles and wearable electronic devices. However, developing new electrode material with high capacity and supporting substrates with good stability is still a big challenge. Herein, a facile electrodeposition technique is applied to grow Zn-Co-Se on various conductive substrates for hybrid supercapacitor. Among all, NF-supported Zn-Co-Se electrode shows a high specific capacitance of 313.45 C g −1 and good cyclical stability of 95% retention over 3000 cycles. Interestingly, the assembled hybri...

show abstract

“…Recently,l ithium ion batteries (LIBs) have found widespread application in portable electronic equipmenta nd small electrical appliances. [1][2][3][4][5] However, the large consumption of lithium elementw ill result in resource depletion and cost problems. Exploration of low-cost and efficient energy storage systems has becomea nimportant aspecto fr esearch in the field of large-scale energys torage.…”

Section: Introductionmentioning

confidence: 99%

Fe‐Doped CoP Flower‐Like Microstructure on Carbon Membrane as Integrated Electrode with Enhanced Sodium Ion Storage

Wang

et al. 2020

Chemistry A European J

View full text Add to dashboard Cite

Poor cyclability and rate performance always impedet he development of transition metal phosphidebased anode materials. Many strategies have been used to addresst he above problems, such as the designing of hierarchicals tructures,c ombination with carbon materials, and doping with other metal elements. Considering thoses trategies, af lower-like Fe-doped CoP material is designed. The synthesis consists of microsheets grown on ac arbon membrane (CM, leaves as precursor) through ah ydrothermal methoda nd in situ phosphorization.T he Fe dopinga nd carbon membrane synergistically induce the formationo fa flower-like hierarchical microstructure duringt he crystalgrowingp rocess. The unique hierarchical microstructure in-creases thec ontact area between electrode and electrolyte, and accommodates the volume expansion duringc ycling. The hierarchicalF e-doped CoP grownd irectly on the carbon membrane increases the active sites for intercalation of sodiums pecies and furtherp romotes the internal electron conduction in the Fe-doped CoP/CM electrode. Thereby,t he Fe-doped CoP/CM as the anode electrode fors odium ion batteries exhibits ah igh specific capacityo f5 15 mA hg À1 at 100 mA g À1 after 100 cycles. Even if the current density rises to 500 mA g À1 ,t he specific capacity is stillm aintained at 324 mA hg À1 after 500 cycles, showings uperior rate performances and cyclability.

show abstract

Construction of unique heterogeneous cobalt–manganese oxide porous microspheres for the assembly of long-cycle and high-rate lithium ion battery anodes

Abstract: Porous (Co, Mn)(Co, Mn)2O4-based microspheres (CM-11-Ms) and core–shell microspheres (CM-11-CSMs) were firstly synthesized via controlled pyrolysis of CoMn-precursor microspheres at different temperatures under nitrogen, exhibiting advanced lithium storage capacities.

Cited by 99 publications

References 68 publications

Tailored Synthesis of Coral‐Like CoTiO₃/Co₃O₄/TiO₂ Nanobelts with Superior Lithium Storage Capability

Tailored Synthesis of Coral‐Like CoTiO₃/Co₃O₄/TiO₂ Nanobelts with Superior Lithium Storage Capability

Selective Growth of Zn–Co–Se Nanostructures on Various Conductive Substrates for Asymmetric Flexible Hybrid Supercapacitor with Enhanced Performance

Fe‐Doped CoP Flower‐Like Microstructure on Carbon Membrane as Integrated Electrode with Enhanced Sodium Ion Storage

Contact Info

Product

Resources

About

Construction of unique heterogeneous cobalt–manganese oxide porous microspheres for the assembly of long-cycle and high-rate lithium ion battery anodes

Abstract: Porous (Co, Mn)(Co, Mn)2O4-based microspheres (CM-11-Ms) and core–shell microspheres (CM-11-CSMs) were firstly synthesized via controlled pyrolysis of CoMn-precursor microspheres at different temperatures under nitrogen, exhibiting advanced lithium storage capacities.

Cited by 99 publications

References 68 publications

Tailored Synthesis of Coral‐Like CoTiO3/Co3O4/TiO2 Nanobelts with Superior Lithium Storage Capability

Tailored Synthesis of Coral‐Like CoTiO3/Co3O4/TiO2 Nanobelts with Superior Lithium Storage Capability

Selective Growth of Zn–Co–Se Nanostructures on Various Conductive Substrates for Asymmetric Flexible Hybrid Supercapacitor with Enhanced Performance

Fe‐Doped CoP Flower‐Like Microstructure on Carbon Membrane as Integrated Electrode with Enhanced Sodium Ion Storage

Contact Info

Product

Resources

About

Tailored Synthesis of Coral‐Like CoTiO₃/Co₃O₄/TiO₂ Nanobelts with Superior Lithium Storage Capability

Tailored Synthesis of Coral‐Like CoTiO₃/Co₃O₄/TiO₂ Nanobelts with Superior Lithium Storage Capability