Elucidating the lithium deposition behavior in open-porous copper micro-foam negative electrodes for zero-excess lithium metal batteries

Ingber, Tjark T. K.; Bela, Marlena M.; Dohmann, Jan Frederik; Bieker, Peter; Börner, Markus; Winter, Martin; Stan, Marian Cristian

doi:10.1039/d3ta04060g

Cited by 12 publications

(2 citation statements)

References 83 publications

(145 reference statements)

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“…Firstly, the 3D collector has a large specific surface area, which can reduce the local current density and slow down the growth rate of lithium dendrites. 24–30 Secondly, the 3D current collector has a large internal space, which can accommodate the deposited lithium metal, reduce the volume change of lithium metal, and stabilize the SEI. However, most of the 3D metal current collectors (Cu foam, 26 Ni foam, 23,31 metallic glass-fiber 32 and nitrogen-doped 3D carbon skeleton 33 ) show poor affinity to Li, which can lead to a large nucleation over voltage in the initial lithium deposition stage, which is extremely unfavorable for the subsequent uniform deposition of lithium.…”

Section: Introductionmentioning

confidence: 99%

Dense cuprous oxide sheath decorated three-dimensional copper foam enabling stable lithium metal anodes

Liu,

Wu,

Zhang

et al. 2023

J. Mater. Chem. A

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Section: Introductionmentioning

confidence: 99%

Dense cuprous oxide sheath decorated three-dimensional copper foam enabling stable lithium metal anodes

Liu,

Wu,

Zhang

et al. 2023

J. Mater. Chem. A

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“…Some of the most common applications of porous Cu include heat transfer and energy storage, such as in phase change architectures including heat pipes [14,15]. They can also be used in catalytic applications like CO 2 reduction [16] or in battery electrode design [17]. Depending on the pore size and intended particle size, they can also be used for filtration, even being suggested as a durable replacement for N95 respirator applications with inherent antimicrobial properties [6].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Microporous Copper Powder Compacts Produced by Oxide Reduction

Tse Lop Kun,

Patterson,

Learn

et al. 2023

Metals

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Powder metallurgy (PM) processes for porous copper and alloys have seen some commercial successes, but PM methods have the disadvantage of relatively low porosity or strength that is compromised by stress-concentrating interparticle bonds. To increase porosity without compromising scalability, a Cu-CuO metal matrix composite powder was utilized to produce additional microscale porosity within the particles by oxide reduction. These Cu-CuO powders were pressed at 1, 2, or 3 GPa, and made porous at 600, 800, or 1000 °C to investigate the effects of pressing and sintering parameters on the overall strength and density. It was found that the formation of porosity is weakly dependent on compaction pressure (maximum 6% difference from 1 GPa to 3 GPa), while the final porosity varied by ~16% overall (~40% for 1 GPa and 600 °C to 24% for 3 GPa and 1000 °C). The strength of the porous Cu was highest after being reduced at 600 °C but also exhibited some flaking at the edges at high strain. The 1 GPa, 600 °C samples have a higher specific strength than wrought Cu annealed at the same temperature, as was demonstrated under uniaxial quasi-static compression as well as split Hopkinson pressure bar impact.

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Anode‐Free Li Metal Batteries: Feasibility Analysis and Practical Strategy

Huo,

Wang,

et al. 2024

Advanced Materials

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Energy storage devices are striving to achieve high energy density, long lifespan, and enhanced safety. In view of the current popular lithiated cathode, anode‐free lithium metal batteries (AFLMBs) will deliver the theoretical maximum energy density among all the battery chemistries. However, AFLMBs face challenges such as low plating‐stripping efficiency, significant volume change, and severe Li‐dendrite growth, which negatively impact their lifespan and safety. This study provides an overview and analysis of recent progress in electrode structure, characterization, performance, and practical challenges of AFLMBs. The deposition behavior of lithium is categorized into two stages: heterogeneous and homogeneous interface deposition. The feasibility and practical application value of AFLMBs are critically evaluated. Additionally, key test models, evaluation parameters, and advanced characterization techniques are discussed. Importantly, practical strategies of different battery components in AFLMBs, including current collector, interface layer, solid‐state electrolyte, liquid‐state electrolyte, cathode, and cycling protocol, are presented to address the challenges posed by the two types of deposition processes, lithium loss, crosstalk effect and volume change. Finally, the application prospects of AFLMBs are envisioned, with a focus on overcoming the current limitations and unlocking their full potential as high‐performance energy storage solutions.

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Elucidating the lithium deposition behavior in open-porous copper micro-foam negative electrodes for zero-excess lithium metal batteries

Abstract: Lithium electrodeposition analysis in 3D Cu micro-foams for use in ZELMBs reveals that large amounts of lithium are stored within the micro-foam's pore structure, limiting the growth of surface lithium structures and improving the battery cycle life.

Cited by 12 publications

References 83 publications

Dense cuprous oxide sheath decorated three-dimensional copper foam enabling stable lithium metal anodes

Dense cuprous oxide sheath decorated three-dimensional copper foam enabling stable lithium metal anodes

Mechanical Properties of Microporous Copper Powder Compacts Produced by Oxide Reduction

Anode‐Free Li Metal Batteries: Feasibility Analysis and Practical Strategy

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