Unlock instant, AI-driven research and patent intelligence for your innovation.

A bendable inorganic solid electrolyte membrane and its composed membrane electrode, sodium fuel cell monomer and metal sodium regeneration unit

An inorganic solid, electrolyte membrane technology, applied in the field of electrochemistry, can solve the problems of fragile, difficult to prepare area, thin thickness, etc., and achieve the effect of strengthening the connection force, improving the power generation efficiency, and improving the electrolysis efficiency.

Active Publication Date: 2022-06-07
江南山
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on the fact that the existing inorganic solid electrolytes are brittle and easily broken, and it is difficult to prepare large-area, thin-thick, and flexible membranes, the present invention provides a bendable inorganic solid electrolyte membrane to solve the problem of high electrical conductivity and high mechanical stability of the inorganic solid electrolyte membrane. At the same time, the present invention also provides a membrane electrode, a sodium fuel cell monomer and a metal sodium regeneration unit composed of the membrane electrode, so as to solve the application problem of the bendable inorganic solid electrolyte membrane

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A bendable inorganic solid electrolyte membrane and its composed membrane electrode, sodium fuel cell monomer and metal sodium regeneration unit
  • A bendable inorganic solid electrolyte membrane and its composed membrane electrode, sodium fuel cell monomer and metal sodium regeneration unit
  • A bendable inorganic solid electrolyte membrane and its composed membrane electrode, sodium fuel cell monomer and metal sodium regeneration unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] as Figure 1 、 2As shown, a bendable inorganic solid electrolyte film, comprising 3 * 3 inorganic solid electrolyte tablets 1 and an adhesive with silicone as the main body, the inorganic solid electrolyte tablets 1 is arranged oriented, the gap between the inorganic solid electrolyte tablets 1 is filled with the adhesive 2. Adhesive 2 has a certain viscoelasticity, the inorganic solid electrolyte sheet 1 can be bonded and joined into a larger film. Inorganic solid electrolyte sheet 1 is relatively small in area and is surrounded by an elastic adhesive 2, so its impact resistance is improved and the film is bent overall.

[0030] The inorganic solid electrolyte sheet 1 is a thin sheet, the shape of the sheet is square, and its material is glass.

[0031] The present invention utilizes the viscosity of the adhesive, the inorganic solid electrolyte sheet is connected into a large area of the membrane; The elasticity of the adhesive is used to buffer the impact stress of extern...

Embodiment 2

[0034] as Figure 3 As shown, a membrane electrode, comprising a bendable inorganic solid electrolyte film and a porous electrode 3 prepared in Example I, the bendable inorganic solid electrolyte film laminated to the porous electrode 3.

[0035] The membrane electrode is a battery component formed by the combination of electrolyte membrane and electrode membrane. The present embodiment by applying a bendable inorganic solid electrolyte film and a porous electrode 3 bonding to form a membrane electrode, further strengthen the connection force between the inorganic solid electrolyte sheet and the mechanical strength of the membrane, may use a thinner inorganic solid electrolyte tablet 1, by adhesive 2 connected into a large area of the membrane.

[0036] The porous electrode 3 is a porous metal.

[0037] The membrane electrode provided by the present invention, the porous electrode and the bendable inorganic solid electrolyte film bonding, under the premise of maintaining the flexib...

Embodiment 3

[0039] asFigure 4 As shown, a membrane electrode, comprising a bendable inorganic solid electrolyte film prepared in Example I, a porous electrode 3 and a gel electrolyte layer 4, the gel electrolyte layer 4 and the porous electrode 3 are fitted to both sides of the bendable inorganic solid electrolyte membrane. The gel electrolyte layer has the ability to prevent chemical and electrochemical corrosion of inorganic solid electrolyte sheets, improve the sealing of bendable inorganic solid electrolyte membranes, and improve the interface compatibility between inorganic solid electrolyte sheets and electrode actives.

[0040] The porous electrode 3 is a metal mesh.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of electrochemistry, in particular to a bendable inorganic solid electrolyte membrane and a membrane electrode formed therefrom, a sodium fuel cell unit and a metallic sodium regeneration unit. The bendable inorganic solid electrolyte membrane includes an inorganic solid electrolyte sheet and a binder, several of the inorganic solid electrolyte sheets are arranged facing each other, and the gap between the inorganic solid electrolyte sheets is filled with the binder. The invention utilizes the viscosity of the adhesive to connect the inorganic solid electrolyte sheet into a large-area film; utilizes the elasticity of the adhesive to buffer the impact stress of the external force on the inorganic solid electrolyte sheet, and enables the large-area film to be bent Deformation; using the insulation and sealing properties of the adhesive, the prepared inorganic solid electrolyte membrane has electronic insulation and effectively isolates the positive and negative electrodes of the battery, which meets the dual requirements of high electrical conductivity and high mechanical stability of the inorganic solid electrolyte membrane. Require.

Description

Technical field [0001] The present invention relates to the field of electrochemical technology, specifically to a bendable inorganic solid electrolyte film and a membrane electrode constituting thereof, sodium fuel cell monomer and metal sodium regeneration unit. Background [0002] Electrolytes play a very important role in electrochemical reactions, and it is a channel for ion conduction in batteries. According to the presence form of the electrolyte, it is divided into two categories: liquid electrolyte and solid electrolyte, and the solid electrolyte is divided into polymer electrolyte and inorganic solid electrolyte, of which the inorganic solid electrolyte includes glass and ceramic electrolyte. [0003] Compared with liquid electrolytes, solid electrolytes have high safety and are the development direction of new batteries. The advantages of inorganic solid electrolytes mainly include the following aspects: (1) no liquid components, non-flammable, can effectively avoid co...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/124H01M8/1246H01M8/1213H01M12/06C25C3/02
CPCH01M8/124H01M8/1246H01M8/1213H01M12/06C25C3/02Y02E60/50
Inventor 江南山
Owner 江南山