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US 12,712,188 B2Granted
Electrochemical cell catalyst layers
AssigneeRobert Bosch GmbH
InventorsMordechai Kornbluth, Daniil A Kitchaev, Jonathan Braaten, Lei Cheng
Life of this patent
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Abstract
An electrochemical cell includes an anode, a cathode, and a membrane physically separating the anode from the cathode, the cathode having a cathode catalyst layer including an ionomer and an electrocatalyst support substrate forming an ionomer-support interface having a covalent bond between the substrate and the ionomer via a grafting compound, the substrate further having a plurality of terminated hydrophilic groups.
Claims26
An electrochemical cell comprising:
- an anode;
- a cathode;
- and
- a membrane physically separating the anode from the cathode,
- the cathode having a cathode catalyst layer comprising an ionomer and an electrocatalyst support substrate forming an ionomer-support interface having a covalent substrate-acetyl bond formed between the substrate and the ionomer via a grafting compound, the substrate further having a plurality of terminated hydrophilic groups.
2 more elements
An electrochemical cell comprising:
- an anode;
- a cathode;
- and
- a membrane physically separating the anode from the cathode,
- the cathode having a cathode catalyst layer comprising an ionomer and an electrocatalyst support substrate forming an ionomer-support interface having a covalent bond between the substrate and the ionomer via a grafting compound including a benzeneiodonium group, the substrate further having a plurality of terminated hydrophilic groups.
2 more elements
An electrochemical cell comprising:
- an anode;
- a cathode;
- and
- a membrane physically separating the anode from the cathode,
- the cathode having a cathode catalyst layer comprising an ionomer and an electrocatalyst support substrate forming an ionomer-support interface having a covalent bond between the substrate and the ionomer via a grafting compound including oxygen atoms of an epoxy group, the substrate further having a plurality of terminated hydrophilic groups.
2 more elements
Dependencies are inferred from the claim text.