Thick, flexible cathodes for lithium-ion batteries
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United States of America Patent
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Feb 14, 2023
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N/A
app pub date -
Jun 24, 2020
filing date -
Jun 24, 2020
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Abstract
A lithium metal oxide (LMO) cathode includes a current collector having a length defining a first end and a second end, a width, and a first side and a second side, LMO active material applied to the first side and the second side of the current collector such that the LMO active material applied to each respective side of the current collector has an inner face contiguous with the current collector and an outer face, and a plurality of channels extending widthwise across the cathode within the LMO active material applied to the first and second sides. The LMO active material on each current collector side can have a thickness of about 100 μm to about 400 μm. The channels on the same side of the current collector can be spaced apart by 0.1 mm to 10 mm. The channels can have widths of 10 μm to 60 μm.
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