High-efficient CoPt/activated functional carbon catalyst for Li-O2 batteries

Han, Xiaobin; Xie, Qifan; Tian, Yuhui; Chen, Qiang; Wen, Minru; Zhang, Jianli; Wang, Yao; Tang, Yiping; Zhang, Shanqing

doi:10.1016/j.nanoen.2021.105877

Cited by 74 publications

(42 citation statements)

References 55 publications

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“…Electrode materials needed not only good mass transfer ability but also excellent catalytic performance, so the catalyst was indispensable. Zhang et al 24 uniformly distributed CoPt nanoparticles on porous carbon surfaces functionalized with OH-and NH 2using a sol-gel method. The results showed that the LABs with CoPt as a catalyst had good electrochemical performance.…”

Section: Introductionmentioning

confidence: 99%

Mass transfer analysis of boron-doped carbon nanotube cathodes for dual-electrolyte lithium–air batteries

Wang

et al. 2022

Phys. Chem. Chem. Phys.

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Section: Introductionmentioning

confidence: 99%

Mass transfer analysis of boron-doped carbon nanotube cathodes for dual-electrolyte lithium–air batteries

Wang

et al. 2022

Phys. Chem. Chem. Phys.

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“…The above factors indicate that lithium metal has an outstanding energy density per unit mass, which makes it the best energy storage material for secondary batteries in the future. LMBs, such as Li–S, Li–Se, and Li–O 2 batteries, based on the lithium metal anode, have become the most attractive new generation of high-specific energy secondary battery energy storage systems. − …”

Section: Introductionmentioning

confidence: 99%

3D Printed Lithium-Metal Full Batteries Based on a High-Performance Three-Dimensional Anode Current Collector

Chen

Notten

et al. 2021

ACS Appl. Mater. Interfaces

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A three-dimensional (3D) printing method has been developed for preparing a lithium anode base on 3D-structured copper mesh current collectors. Through in situ observations and computer simulations, the deposition behavior and mechanism of lithium ions in the 3D copper mesh current collector are clarified. Benefiting from the characteristics that the large pores can transport electrolyte and provide space for dendrite growth, and the small holes guide the deposition of dendrites, the 3D Cu mesh anode exhibits excellent deposition and stripping capability (50 mAh cm −2 ), high-rate capability (50 mA cm −2 ), and a long-term stable cycle (1000 h). A full lithium battery with a LiFePO 4 cathode based on this anode exhibits a good cycle life. Moreover, a 3D fully printed lithium−sulfur battery with a 3D printed high-load sulfur cathode can easily charge mobile phones and light up 51 LED indicators, which indicates the great potential for the practicability of lithium-metal batteries with the characteristic of high energy densities. Most importantly, this unique and simple strategy is also able to solve the dendrite problem of other secondary metal batteries. Furthermore, this method has great potential in the continuous mass production of electrodes.

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“…[ 6–13 ] This motivates the intense research efforts in next‐generation batteries, such as Li–S, Li‐O 2 , Li‐CO 2 batteries. [ 14–21 ] However, the commercialization of the Li metal anode is still hindered by its huge volumetric change and uncontrolled dendrite growth during the repeated plating/stripping. These drawbacks will cause a series of issues, e.g., irreversible capacity loss, low Coulombic efficiency (CE), internal short circuits, and even battery explosion .…”

Section: Introductionmentioning

confidence: 99%

Integrated Porous Cu Host Induced High‐Stable Bidirectional Li Plating/Stripping Behavior for Practical Li Metal Batteries

Chen

Qiao

et al. 2021

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The double‐sided electrodes with active materials are widely used for commercial lithium (Li) ion batteries with a higher energy density. Accordingly, developing an anode current collector that can accommodate the stable and homogeneous Li plating/stripping on both sides will be highly desired for practical Li metal batteries (LMBs). Herein, an integrated bidirectional porous Cu (IBP‐Cu) film with a through‐pore structure is fabricated as Li metal hosts using the powder sintering method. The resultant IBP‐Cu current collector with tunable pore volume and size exhibits high mechanical flexibility and stability. The bidirectional and through‐pore structure enables the IBP‐Cu host to achieve homogeneous Li deposition and effectively suppresses the dendritic Li growth. Impressively, the as‐fabricated Li/IBP‐Cu anode exhibits a remarkable capacity of up to 7.0 mAh cm−2 for deep plating/stripping, outstanding rate performance, and ultralong cycling ability with high Coulombic efficiency of ≈100% for 1000 cycles. More practicably, a designed pouch cell coupled with one Li/IBP‐Cu anode and two LiFePO4 cathodes exhibits a highly elevated energy density (≈187.5%) compared with a pouch cell with one anode and one cathode. Such design of a bidirectional porous Cu current collector with stable Li plating/stripping behaviors suggests its promising practical applications for next‐generation Li metal batteries.

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High-efficient CoPt/activated functional carbon catalyst for Li-O2 batteries

Cited by 74 publications

References 55 publications

Mass transfer analysis of boron-doped carbon nanotube cathodes for dual-electrolyte lithium–air batteries

Mass transfer analysis of boron-doped carbon nanotube cathodes for dual-electrolyte lithium–air batteries

3D Printed Lithium-Metal Full Batteries Based on a High-Performance Three-Dimensional Anode Current Collector

Integrated Porous Cu Host Induced High‐Stable Bidirectional Li Plating/Stripping Behavior for Practical Li Metal Batteries

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