Rapid construction of surface CuO-rich Co3O4/CuO composites as anodes for high-performance lithium-ion batteries

Chen, Jie; Wang, Pengfei; Zhang, Yuhang; Yang, Dao-Xiang; Li, Xinhua; Shi, Fa‐Nian

doi:10.1016/j.jssc.2022.123787

Cited by 11 publications

(2 citation statements)

References 43 publications

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“…[8][9] Transition metal oxides such as NiO, Fe 2 O 3 , CuO, CoO, etc. [10][11][12][13][14][15][16][17] have been recognized as promising anode candidates for LiBs due to their high theoretical capacity (� 700 mAh/g) and excellent chemical stability during material synthesis and storage. Among these oxides, cobalt-based oxides, such as CoO and Co 3 O 4 , are quite attractive due to their stable electrochemical performance and high theoretical specific capacities (716 mAh/g for CoO and 829 mAh/g for Co 3 O 4 ).…”

Section: Introductionmentioning

confidence: 99%

Cobalt Oxide Arrays Anchored to Copper Foam as Efficient Binder‐free Anode for Lithium Ion Batteries

Liu

et al. 2023

ChemPhysChem

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The development of lithium‐ion batteries with simplified assembling steps and fast charge capability is crucial for current battery applications. In this study, we propose a simple in‐situ strategy for the construction of high‐dispersive cobalt oxide (CoO) nanoneedle arrays, which grow vertically on a copper foam substrate. It is demonstrated that this nanoneedle CoO electrodes provide abundant electrochemical surface area. The resulting CoO arrays directly act as binder‐free anodes in lithium‐ion batteries with the copper foam functioning as the current collector. The highly‐dispersed feature of the nanoneedle arrays enhances the effectiveness of active materials, leading to outstanding rate capability and superior long‐term cycling stability. These impressive electrochemical properties are attributed to the highly‐dispersed self‐standing nanoarrays, the advantages of binder‐free constituent, and the high exposed surface area of the copper foam substrate compared to copper foil, which enrich active surface area and facilitate charge transfer. The proposed approach to prepare binder‐free lithium‐ion battery anodes streamlines the electrode fabrication steps and holds significant promise for the future development of the battery industry.

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Section: Introductionmentioning

confidence: 99%

Cobalt Oxide Arrays Anchored to Copper Foam as Efficient Binder‐free Anode for Lithium Ion Batteries

Liu

et al. 2023

ChemPhysChem

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“…[10] Therefore, conversion-type anodes have been considered more promising for LiBs than intercalation-type and alloying-type anodes. A large number of conversion-type anode materials, like transition-metal oxides (Co 3 O 4 , [11,12] NiO, [13,14] Co x Mn 3Àx O 4 , [15] Fe 3 O 4 , [16,17] MnO, [18] etc. ), sulphides (MoS 2 , [19] CoS 2 , [20] etc.…”

Section: Introductionmentioning

confidence: 99%

Modification of VPO₄ with carbon and 3DG for high performance lithium‐ion battery anode

Hu,

Gao,

Huang

et al. 2023

Can J Chem Eng

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Lithium‐ion batteries (LiBs) are one of the most promising energy storage devices. However, the large‐scale application of LiBs is limited by their electrochemical properties. In this study, we built a three‐dimensional (3D) conductive network structure with carbon and 3DG coating VPO4 (VPO4@C@3DG) via a one‐pot hydrothermal method with subsequent high‐temperature annealing. The effects of the content of three‐dimensional porous graphene (3DG) on the crystal structure, morphology, and electrochemical properties of VPO4/C are investigated using characterization and electrochemical test techniques. The SEM images show that the size of sphere‐like particles of VPO4@C@3DG composite with 20 wt.% of 3DG (VPO4@C@3DG‐20) is the smallest in all samples. In addition, the electrochemical experimental results reveal that VPO4@C@3DG‐20 exhibits the best cycling and rate performance compared to other VPO4@C@3DG composites. Specifically, VPO4@C@3DG‐20 achieves an initial charge capacity of 601.2 mAh g−1 at 0.2 C (110 mA g−1) and keeps at 354 mAh g−1 at the 100th cycle. This is because the introduction of 20 wt.% 3DG graphene inhibits the growth and aggregation of the particles, thus shortening the diffusion path of Li+. In addition, the 3D conducting network structure boosts the conductivity of the materials and buffers the volume variation resulting from the charging/discharging process.

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Co₃O₄/CuO Hybrid Hollow Microspheres as Long‐Cycle‐Life Lithium‐Ion Battery Anode

Zhu,

Fu,

Zuo

et al. 2024

Chemistry An Asian Journal

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Co3O4/CuO hybrid hollow microspheres have been successfully prepared via thermal decomposition of CoCu glycolates, whose size can be adjusted by varying the molar ratio of Co2+/Cu2+. As lithium‐ion battery (LIB) anode, Co3O4/CuO microspheres exhibited excellent electrochemical performance due to synergistic effects and the hollow structural design, the best Co3O4/CuO sample could maintain a high specific capacity of 1170.4 mAh g‐1 after 300 cycles at 1 A g‐1, and still retain a capacity of 514.5 mAh g‐1 after 1000 cycles at 2 A g‐1. Thus obtained Co3O4/CuO hybrid hollow microspheres hold great potential as anode materials for high‐performance LIBs.

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Rapid construction of surface CuO-rich Co3O4/CuO composites as anodes for high-performance lithium-ion batteries

Cited by 11 publications

References 43 publications

Cobalt Oxide Arrays Anchored to Copper Foam as Efficient Binder‐free Anode for Lithium Ion Batteries

Cobalt Oxide Arrays Anchored to Copper Foam as Efficient Binder‐free Anode for Lithium Ion Batteries

Modification of VPO₄ with carbon and 3DG for high performance lithium‐ion battery anode

Co₃O₄/CuO Hybrid Hollow Microspheres as Long‐Cycle‐Life Lithium‐Ion Battery Anode

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Rapid construction of surface CuO-rich Co3O4/CuO composites as anodes for high-performance lithium-ion batteries

Cited by 11 publications

References 43 publications

Cobalt Oxide Arrays Anchored to Copper Foam as Efficient Binder‐free Anode for Lithium Ion Batteries

Cobalt Oxide Arrays Anchored to Copper Foam as Efficient Binder‐free Anode for Lithium Ion Batteries

Modification of VPO4 with carbon and 3DG for high performance lithium‐ion battery anode

Co3O4/CuO Hybrid Hollow Microspheres as Long‐Cycle‐Life Lithium‐Ion Battery Anode

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Product

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About

Modification of VPO₄ with carbon and 3DG for high performance lithium‐ion battery anode

Co₃O₄/CuO Hybrid Hollow Microspheres as Long‐Cycle‐Life Lithium‐Ion Battery Anode