ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS
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United States of America Patent
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Issued Date -
Sep 28, 2023
app pub date -
May 30, 2023
filing date -
Nov 27, 2020
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Abstract
An electrochemical apparatus includes an electrode. The electrode includes a current collector. The current collector includes a coated region provided with an active material and an uncoated region provided with no active material. The uncoated region is at least partially provided with an insulation layer. The insulation layer includes a binder and inorganic particles. A swelling rate of the insulation layer is not higher than 8% after the insulation layer is immersed in an electrolyte at 85° C. for 24 h.
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