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US 10,501,855 B2Granted
Bifunctional non-noble metal oxide/chalcogenide nanoparticle electrocatalysts through lithium-induced conversion for overall water-splitting
AssigneeThe Board of Trustees of the Leland Stanford Junior University
InventorsYi Cui, Haotian Wang
Life of this patent
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Abstract
Described here is a method for improving the catalytic activity of an electrocatalyst, comprising subjecting the electrocatalyst to 1-10 galvanostatic lithiation/delithiation cycles, wherein the electrocatalyst comprises at least one transition metal oxide (TMO) or transition metal chalcogenide (TMC). Also described here is an electrocatalyst and a water-splitting device comprising the electrocatalyst.
Claims14
A method for improving a catalytic activity of an electrocatalyst, comprising:
- synthesizing monocrystalline nanoparticles of the electrocatalyst on a conducting substrate;
- and subjecting the monocrystalline nanoparticles of the electrocatalyst on the conducting substrate to 1-10 galvanostatic lithiation/delithiation cycles to form polycrystalline nanoparticles of the electrocatalyst, wherein the electrocatalyst comprises at least one transition metal oxide (TMO) or transition metal chalcogenide (TMC), and the conducting substrate is a carbon-based substrate comprising carbon fibers.
Dependencies are inferred from the claim text.