18461112. ELECTRODE FOR ELECTROCHEMICAL REACTION DEVICE, MEMBRANE ELECTRODE ASSEMBLY, AND ELECTROCHEMICAL REACTION DEVICE simplified abstract (KABUSHIKI KAISHA TOSHIBA)

ELECTRODE FOR ELECTROCHEMICAL REACTION DEVICE, MEMBRANE ELECTRODE ASSEMBLY, AND ELECTROCHEMICAL REACTION DEVICE

Organization Name

KABUSHIKI KAISHA TOSHIBA

Inventor(s)

Yoshitsune Sugano of Kawasaki Kanagawa (JP)

Akihiko Ono of Kita Tokyo (JP)

Norihiro Yoshinaga of Yokohama Kanagawa (JP)

ELECTRODE FOR ELECTROCHEMICAL REACTION DEVICE, MEMBRANE ELECTRODE ASSEMBLY, AND ELECTROCHEMICAL REACTION DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18461112 titled 'ELECTRODE FOR ELECTROCHEMICAL REACTION DEVICE, MEMBRANE ELECTRODE ASSEMBLY, AND ELECTROCHEMICAL REACTION DEVICE

Simplified Explanation

The electrode for an electrochemical reaction device described in the abstract includes a substrate and a catalyst lamination with multiple catalyst layers and void layers arranged between them. The catalyst layers consist of a first layer close to the substrate with a certain thickness, and a second layer further away from the substrate with a smaller thickness.

• Substrate and catalyst lamination structure:

 * The electrode includes a substrate for support.
 * A catalyst lamination is provided on the substrate.
 * The catalyst lamination consists of multiple catalyst layers and void layers.

• Catalyst layer arrangement:

 * The catalyst layers are arranged adjacent to each other.
 * A first catalyst layer is positioned close to the substrate with a certain thickness.
 * A second catalyst layer is separated from the substrate with a smaller thickness compared to the first layer.

Potential Applications

The technology can be applied in:

• Fuel cells
• Electrolyzers
• Sensors

Problems Solved

The electrode design helps in:

• Improving efficiency of electrochemical reactions
• Enhancing durability of the electrode
• Facilitating mass transport of reactants and products

Benefits

The electrode offers:

• Increased performance in electrochemical devices
• Longer lifespan due to improved durability
• Enhanced control over reaction kinetics

Potential Commercial Applications

The technology can be utilized in:

• Automotive industry for fuel cell vehicles
• Energy storage systems
• Environmental monitoring devices

Possible Prior Art

One possible prior art could be the use of multi-layer catalyst structures in electrochemical devices to enhance performance and durability.

How does the electrode design impact the overall efficiency of the electrochemical reaction device?

The article does not delve into the specific efficiency gains achieved by the electrode design in practical applications.

What are the potential challenges in scaling up the production of electrodes with such intricate catalyst layer arrangements?

The article does not address the scalability issues or challenges that may arise when manufacturing these electrodes on a larger scale.

Original Abstract Submitted

An electrode for electrochemical reaction device of an embodiment includes: a substrate; and a catalyst lamination provided on the substrate, and having a plurality of catalyst layers, and void layers respectively arranged between the plurality of catalyst layers adjacent to each other. The plurality of catalyst layers include a first catalyst layer arranged at a position close to the substrate and having a first thickness, and a second catalyst layer arranged at a position separated from the substrate and having a second thickness that is smaller than the first thickness.