Energy storage cabinet copper foil
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6 FAQs about [Energy storage cabinet copper foil]
Why is copper foil important?
With the advancement of LIBs towards higher energy densities and the increasing density of electronic components on circuits, copper foil is required to have demanding properties, such as extremely thin thickness and extremely high tensile strength.
What is electrolytic copper foil?
Electrolytic copper foil has gained significant attention as an essential component in lithium-ion batteries (LIBs), printed circuit boards (PCBs), and chip packaging substrates (CPSs) applications.
Is copper foil a good collector for LIBS?
Despite the high energy density exhibited by the aforementioned extra-thin copper foil as a collector for LIBs, its tensile strength remains at a moderate level. The copper foil is too thin and may result in difficulties in completely peeling it off from the cathode roller, making it prone to curling, folding, or tearing.
What is the tensile strength of extra-thin copper foil?
This foil achieved a high energy density of 323.19 Wh·kg −1 as a collector for LIBs, but its tensile strength was only 435.65 MPa. Despite the high energy density exhibited by the aforementioned extra-thin copper foil as a collector for LIBs, its tensile strength remains at a moderate level.
What factors determine the service life of copper foil?
In addition, the oxidation and corrosion resistance of copper foil are the key factors determining the service life of LIBs, PCBs, and CPSs.
Does copper foil reduce electrical conductivity?
While the inclusion of metal ceramics can enhance the mechanical properties of copper-based materials, such as strength, hardness, and modulus of elasticity, it often reduces electrical conductivity. Moreover, LIBs, PCBs, and CPSs demand excellent conductivity from copper foil.