Toyota jidosha kabushiki kaisha (20240128469). MEMBRANE ELECTRODE ASSEMBLY simplified abstract
Contents
- 1 MEMBRANE ELECTRODE ASSEMBLY
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 20240128469 titled 'MEMBRANE ELECTRODE ASSEMBLY
Simplified Explanation
The present disclosure relates to 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 a sulfonate group, 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
- Metal ion selected from cerium or manganese
- Host compound forms inclusion compound with metal ion
- Ionomer with sulfonate group
Potential Applications
The membrane electrode assembly can be used in fuel cells, electrolyzers, and other electrochemical devices requiring high power generation performance and durability.
Problems Solved
This technology addresses the challenge of improving power generation efficiency and durability in electrochemical devices by optimizing the composition of the anode catalyst layer.
Benefits
- Enhanced power generation performance - Improved durability - Efficient utilization of electrode catalyst and metal ions
Potential Commercial Applications
- Fuel cell vehicles - Portable electronic devices - Stationary power generation systems
Possible Prior Art
Prior research has focused on developing membrane electrode assemblies with different compositions and structures to improve performance and durability. Some studies have explored the use of metal ions and host compounds in electrode catalyst layers.
What are the specific metal ions used in the anode catalyst layer?
Cerium ion or manganese ion are selected as the metal ions in the anode catalyst layer.
How does the host compound contribute to the performance of the membrane electrode assembly?
The host compound allows the formation of an inclusion compound with the metal ion, which can enhance the catalytic activity and stability of the electrode catalyst.
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.
