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Herein, Li-ion battery using carbon fibers instead of conventional aluminum/copper foils as the current collectors is assembled. To achieve the binder-free environment, LiMn0.97Al0.03O2-based fiber type cathode is prepared directly via a two-step strategy involving electroplating and hydrothermal method by forming active materials on the individual carbon fiber. Cu6Sn5-based fiber type anode is prepared...
A study on the self-annealing of various electroplated (ECP) blanket copper films of different thickness is performed on 8'' wafers. Uncorrelated evolution of sheet resistance/resistivity and stress as a function of time has been exhibited. The initiation of self-annealing was faster for thicker ECP Cu films. These thicker films demonstrated a higher fraction of sheet resistance and resistivity drop...
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