Check patentability & draft patents in minutes with Patsnap Eureka AI!

Solid oxide fuel cell stack

A technology of fuel cell stacks and solid oxides, applied in solid electrolyte fuel cells, fuel cells, fuel cell grouping, etc., can solve problems such as lowering and difficulty in effectively suppressing power generation performance

Inactive Publication Date: 2016-04-06
TOTO LTD
View PDF6 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, in the solid oxide fuel cell described in Patent Document 2, since a part of the interconnector is covered with a solid electrolyte, it is difficult to effectively suppress the reduction in power generation performance.

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
  • Solid oxide fuel cell stack
  • Solid oxide fuel cell stack
  • Solid oxide fuel cell stack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A1

[0141] (Manufacturing of clay A for the support body)

[0142] High-purity forsterite (Mg containing 0.05% by mass CaO 2 SiO 4 ) The raw material powder is adjusted to have an average particle diameter of 0.7 μm. 100 parts by weight of the powder, 20 parts by weight of a solvent (water), 8 parts by weight of a binder (methylcellulose), 0.5 parts by weight of a lubricant, and 15 parts of a porogen (acrylic resin particles with an average particle diameter of 5 μm) The parts by weight are mixed with a high-speed mixer, kneaded with a kneader (kneader), and degassed with a vacuum mud refining device to prepare the clay for extrusion molding. Here, the average particle diameter is measured based on the regulations of JIS (Japanese Industrial Standard) R1629, and is a value represented by a 50% diameter (hereinafter the same).

[0143] (Preparation of slurry for fuel electrode layer)

[0144] NiO powder and 10YSZ (10mol% Y 2 o 3 -90mol% ZrO 2 ) powder, a dry powder was obtai...

Embodiment A2

[0167] A solid oxide fuel cell stack was obtained in the same manner as in Example A1 except that L' / L was set at 50. The following evaluations were performed on the obtained solid oxide fuel cell stack. The results are shown in Table 1.

Embodiment A3

[0169] A solid oxide fuel cell stack was obtained in the same manner as in Example A1 except that L' / L was set to 2. The following evaluations were performed on the obtained solid oxide fuel cell stack. The results are shown in Table 1.

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

PropertyMeasurementUnit
porosityaaaaaaaaaa
electrical conductivityaaaaaaaaaa
electrical conductivityaaaaaaaaaa
Login to View More

Abstract

There is provided a solid oxide fuel cell stack that can suppress the formation of a counter cell, has a high electrical conductivity, and has a excellent power generation performance. The solid oxide fuel cell stack includes a support, a plurality of power generation elements provided on a surface of the support, the plurality of power generation elements each including at least a fuel electrode, a solid electrolyte, and an air electrode stacked in that order, and an interconnector that electrically connects an air electrode in one of adjacent power generation elements in the plurality of power generation elements to a fuel electrode in the other power generation element, the plurality of power generation elements being connected in series to each other, wherein a solid electrolyte in adjacent one power generation element is provided between a fuel electrode in the adjacent one power generation element and the fuel electrode in the adjacent other power generation element, and an insulating member is provided at a position that is on the solid electrolyte in the adjacent one power generation element and between the air electrode in the adjacent one power generation element and the solid electrolyte therein.

Description

technical field [0001] The present invention relates to a solid oxide fuel cell stack. Specifically, it relates to a solid oxide fuel cell stack that suppresses the formation of reverse cells, has high electrical conductivity, and has excellent power generation performance. Background technique [0002] Fuel cells are different from heat engines that go through the process of thermal energy and kinetic energy. Fuel cells such as natural gas and hydrogen react with oxygen in the air through solid electrolytes, so that the chemical energy carried by the fuel can be continuously and directly converted into electrical energy. device. Among them, the solid oxide fuel cell is a fuel cell that uses a solid oxide (ceramic) as a solid electrolyte, and operates with a fuel electrode as a negative electrode and an air electrode as a positive electrode. In addition, a solid oxide fuel cell is known as a device that has the advantage that high energy conversion efficiency can be obtain...

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 Applications(China)
IPC IPC(8): H01M8/02H01M8/24H01M8/10
CPCH01M8/02H01M8/10H01M8/2465H01M4/9033H01M8/0217H01M8/243Y02E60/50H01M8/0202H01M8/1246H01M8/24H01M2008/1293H01M2300/0071
Inventor 柿沼保夫冈本修安藤茂村上弘展古屋正纪籾山大端山洁渡边直树田中修平井坂畅夫星子琢也佐藤真树
Owner TOTO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com