18483979. MEMBRANE ELECTRODE ASSEMBLY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

MEMBRANE ELECTRODE ASSEMBLY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Shunsuke Takahashi of Toyota-shi (JP)

Noriyuki Kitao of Toyota-shi (JP)

MEMBRANE ELECTRODE ASSEMBLY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18483979 titled 'MEMBRANE ELECTRODE ASSEMBLY

Simplified Explanation

The present disclosure describes a membrane electrode assembly designed to enhance power generation performance and durability. The assembly includes a solid polymer electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer. The anode catalyst layer contains an electrode catalyst, an ionomer with sulfonate groups, a metal ion (cerium or manganese), and a host compound with a molecular weight of 300 or more.

• Solid polymer electrolyte membrane
• Anode catalyst layer with electrode catalyst, ionomer, metal ion, and host compound
• Cathode catalyst layer
• Ionomer with sulfonate groups
• Metal ion (cerium or manganese)
• Host compound with molecular weight of 300 or more

1. 1. 1. Potential Applications

- Fuel cells - Energy storage systems - Portable power sources

1. 1. 1. Problems Solved

- Improved power generation performance - Enhanced durability of the membrane electrode assembly

1. 1. 1. Benefits

- Increased efficiency in power generation - Extended lifespan of the assembly - Enhanced overall performance

1. 1. 1. Potential Commercial Applications
         1. Enhanced Membrane Electrode Assembly for Fuel Cells

- Optimizing power generation in fuel cell technology - Improving the reliability and longevity of fuel cell systems

1. 1. 1. Possible Prior Art

There are existing membrane electrode assemblies in fuel cell technology that focus on improving power generation efficiency and durability. However, the specific combination of components and materials described in this disclosure may represent a novel approach to addressing these challenges.

1. 1. 1. 1. Unanswered Questions
         2. How does the molecular weight of the host compound impact the performance of the membrane electrode assembly?

The molecular weight of the host compound plays a crucial role in forming inclusion compounds with the metal ion, which can influence the overall efficiency and durability of the assembly.

1. 1. 1. 1. What are the potential implications of using cerium or manganese ions in the anode catalyst layer?

The choice of metal ion in the anode catalyst layer can affect the catalytic activity and stability of the assembly, impacting its overall performance in power generation applications.

Original Abstract Submitted

An object of the present disclosure is to provide a membrane electrode assembly excellent in power generation performance and durability. This embodiment is a membrane electrode assembly. The membrane electrode assembly includes a solid polymer electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer. The anode catalyst layer is disposed on one surface of the solid polymer electrolyte membrane. The cathode catalyst layer is disposed on the other surface of the solid polymer electrolyte membrane. The anode catalyst layer at least contains an electrode catalyst, an ionomer, a metal ion, and a host compound. The ionomer has sulfonate group. The metal ion is selected from cerium ion or manganese ion. The host compound allows forming an inclusion compound with the metal ion. The host compound has a molecular weight of 300 or more.