Preparing ultra-thin copper foil as current collector for improving …
2023年6月1日 · Adopting ultra-thin copper foil as the current collector is one of the most important strategies for improving the gravimetric energy density of lithium-ion batteries (LIBs), however, stumbled by the quality-control of physicochemical properties for ultra-thin foils.
Tuning intrinsic lithiophilicity of copper foil to improve ...
2024年4月20日 · The lithiophilic copper termed as single-faceted Cu (here we denoted as SF-Cu) showed better charge-transfer kinetic properties than commercially available rolled-annealed (RA-Cu) and electro-deposited (ED-Cu) copper foils. The SF-Cu foil current collector shows better electrochemical performance than the bare ED-Cu and RA-Cu foils when ...
Advances in electrolytic copper foils: fabrication, microstructure, …
2024年10月19日 · Copper foil is an essential component in lithium-ion batteries (LIBs), printed circuit boards (PCBs), and chip packaging substrates (CPSs), playing a pivotal role in diverse applications, including new energy vehicles, novel energy storage equipment, consumer electronics, 5G communication devices (Fig. 1) [1, 2, 3, 4].
Preparation of electrodeposited copper foils with ultrahigh tensile ...
2024年3月15日 · Improving the properties of electrodeposited copper foil, the negative current collector of lithium-ion batteries, is crucial to the ongoing development of high-energy–density batteries.
Battery Foil Material for Lithium-ion Cell Manufacturers
Copper Foil for Lithium-ion Battery Anodes Available in a wide range of thicknesses starting at 5μm, Targray electrodeposited (ED) copper foils are produced via a cutting edge manufacturing process that delivers exceptional tensile strength and high elongation, which in turn minimizes the occurrence of foil deformation, fracturing and wrinkling.
Effects of Electrolytic Copper Foil Roughness on Lithium-Ion …
2022年12月8日 · Improving the interfacial properties between the electrode materials and current collectors plays a significant role in lithium-ion batteries. Here, four kinds of electrolytic copper foils with roughness (Rz) values of 1.2, 1.5, 2.2, and …
Large‐Scale Modification of Commercial Copper Foil with Lithiophilic ...
2020年1月14日 · In this work, a simple and commercially viable strategy is utilized for large-scale preparation of a modified planar Cu collector with lithiophilic Ag nanoparticles by a simple substitution reaction. As a result, the Li metal shows a cobblestone-like morphology with similar size and uniform distribution rather than Li dendrites.
Facile one-step vulcanization of copper foil towards stable Li …
2020年5月29日 · Here, we report a facile and scalable one-step vulcanization method to modify commercial Cu foil with lithophilic Cu 2 S. The in situ formed Cu 2 S layer can not only promote the homogeneous deposition of Li via its lithophilic nature, but also benefit the formation of a stable solid-electrolyte interphase during initial activation.
A novel strategy to electrodeposit high-quality copper foils using ...
2020年11月23日 · As a crucial material for fabrication of lithium-ion battery current collector, the properties of electrodeposited copper foil are closely related to the battery performances. How to improve its properties is thus of great importance for battery design and manufacturing.
Phytic-Acid-Modified Copper Foil as a Current Collector for Lithium …
2024年2月18日 · Electrolytic copper foil is ideal for use in the anode current collectors of lithium-ion batteries (LIBs) because of its abundant reserves, good electrical conductivity, and soft texture. However, electrolytic copper foil is prone to corrosion in electrolytes and weak bonding to the anode substance.