5kg/roll Lithium Battery Grade Aluminum Foil (180mm W x 15um T) for Battery Cathode Substrate
Aluminum foil is widely used as substrate (current collector) for cathode materials coating in Li-Ion battery research. The naturally formed oxide layer provides the resistance to corrosion and oxidation at high potentials. Aluminum has a good thermal and electronic conductivity when used as current collector.
The thickness of Aluminum foil is one of key features for the battery power density. Thin thickness benefits the power density while increases the cost. Currently, 12um is the most popular thickness for battery R&D and industries.
Note: The aluminum foil surface can be coated by carbon, cathode materials, e.g. LiFePO4, LiCoO2, upon request.
||5 kg per roll|
Al (≥99.5% purity)
|180mm W x 15um T, ~525m Long|
|Transverse surface density uniformity||≤0.003 g/ 40×40 mm|
|Vertical surface density uniformity||≤0.003 g/ 40×40 mm|
|Normal temperature Tensile strength||>140 kgf/mm2|
|After 1200C baking 1h, Tensile strength||>120 kgf/mm2|
|Anti oxidization (200℃ Heating 30mins)||
|Coating performance||Uniform tension on foil both sizes, uniform slurry coating|
1. All solid-state sheet battery using lithium inorganic solid electrolyte, thio-LISICON, J. Power Sources, Volume 194, Issue 2, 1 December 2009, Pages 1085-1088
2. Lithium–sulfur batteries: Influence of C-rate, amount of electrolyte and sulfur loading on cycle performance, J. Power Sources, Volume 268, 5 December 2014, Pages 82-87
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