Process for recycling graphene from an electrode material
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United States of America Patent
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Oct 20, 2020
Grant Date -
Sep 19, 2019
app pub date -
Jul 21, 2017
filing date -
Jul 22, 2016
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Abstract
A process for recycling an electrode material comprising graphene and an electrochemically active material is described. The process comprises a step of adding, in any order, water and a non-miscible solvent to the electrode material, thereby forming a biphasic system comprising an organic phase and an aqueous phase; and a step of separating and filtering the organic phase to recover graphene. The process optionally comprises additional steps of washing, drying, and/or thermally treating. Also described are electrodes including the recycled graphene, as well as the electrochemical cells and their uses.
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