COLLECTOR, ELECTRODE FOR POWER STORAGE DEVICES, LITHIUM ION SECONDARY BATTERY, AND METHOD FOR PRODUCING COLLECTOR
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United States of America
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Mar 20, 2025
app pub date -
Jan 17, 2022
filing date -
Jan 17, 2022
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Abstract
A current collector including: a resin layer having first and second surfaces; and a metal layer including aluminum. The metal layer includes a first metal layer located on a side of the first surface of the resin layer. A yield stress σY1 of the current collector is smaller than a tensile fracture stress σB2 of the resin layer. The current collector yield stress σY1 [MPa] is obtained by the following expressions (1) and (2) from a yield stress σY2 [MPa] of the resin layer, a resin layer thickness D2 [μm], a yield stress σY3 [MPa] of the metal layer, and a metal layer thickness D3 [μm].
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