Name: Separator for SOFC Stack - China Separator for SOFC Stack Manufacturers Suppliers Factory
Brand: Ehisen
SKU: 211878702

Products Description

The separator plate is a critical component in a solid oxide fuel cell (SOFC) stack module. The goal of the separator plate is to separate the fuel cell electrodes and to provide an electrical connection between neighboring cells. Separator For SOFC Stack also helps to distribute the fuel or air evenly across the cell surface, which helps to promote efficient chemical reactions in the fuel cell. The separator plates used in SOFC stack modules are carefully designed to withstand the high temperatures and harsh operating environments of the fuel cells. These plates are made of high-quality materials that are resistant to corrosion and wear, ensuring reliable and long-lasting performance of the SOFC stack module. Overall, the separator plate is an essential component in the fuel cell stack and plays a critical role in the success of the SOFC module.

Specification

Separator For SOFC Stack
Product specification	Thk10mm~Thk36mm
Dimensional tolerance	Thk±0.3mm
Materials	445 ferritic heat-resistant stainless steel, 444 ferritic stainless steel, etc.
Other	Size can be customized according to customer drawings
Technical Parameters	The surface of the part is not allowed to have pits, bumps, sand holes, and the corners are deburred; Ra 3.2

Separator for SOFC Stack supplier SUS445 Heat-resistant End Plate supplier

Material properties

Excellent raw material selection

445 ferritic heat-resistant stainless steel

Elemental Components:

Element

Wt%

22±1

1~1.5

≤0.25

≤0.6

≤1.0

0.05~0.5

0.1~0.6

≤0.1

≤0.025

≤0.03

≤0.04

≤0.02

balance

The 445 steel exhibits excellent flexibility and ductility under solution annealing conditions, but can provide excellent performance with good corrosion resistance, high hardness, toughness, and strength by a single precipitation or aging treatment.

Physical properties

Project	Typical value
Maximum temperature available	~1000℃(Maintain ferrite structure in this temperature range)
Thermal conductivity	＞20W/m-K
Specific heat capacity	＞0.45J/g.℃
CTE, linear 850℃	12.3±0.3×10^-6(1/K)
Resistivity	＜6.5e^﹣5Ω.cm
Tensile Strength, Ultimate	＞500MPa(plate)
Hardness, Vickers Hardness Tester	＞150
Density	7.7±0.1g/cc
Surface condition	2B Surface﹣
High temperature oxidation resistance	Oxidation at 900°C for 50 hours, the oxide layer on the steel surface does not fall off, and the weight gain △W≤s5μg/m㎡

Application

The purpose of using false stack partitions in SOFC stacks includes:

Improving gas distribution and reducing pressure drop,
Increasing mechanical stability and preventing thermal expansion,
Providing electrical insulation and preventing current leakage,
Reducing parasitic reactions and improving fuel utilization,
Enhancing overall performance and efficiency of the fuel cell stack.

Advantages

The dummy cell separator in SOFC stack modules has several advantages:

1. Provides even pressure distribution among the fuel cells, enhancing performance.

2. Protects the cells from thermal stress, ensuring long-term durability.

3. Minimizes the risk of fuel crossover, maintaining high efficiency.

4. Offers easy accessibility and replacement for maintenance purposes.

Manufacturing Processes

Excellent processing process

1. Blank re-inspection and flaw detection

2. First sample production and judgment

3. The machining center processes according to the drawing

4. Stress relief annealing

5. Dimensional inspection, focusing on checking the deformation of the workpiece

6. Sandblasting, ultrasonic cleaning and drying

7. Finished product inspection, packaging and delivery

Separator for SOFC Stack process

FAQ

Q: What is the purpose of the separator plate in an SOFC stack?

A: Separator For SOFC Stack acts as a barrier between the anode and cathode sides of the fuel cell, allowing for the separation of gases and the flow of electrons.

Q: How does the separator plate contribute to the efficiency of the SOFC stack?

A: By separating the fuel and oxidant gases, the separator plate helps to reduce the risk of cross-contamination. It also facilitates the transfer of electrons, which is essential for generating electricity.

Q: What materials are commonly used to make separator plates for SOFC stacks?

A: Due to the relatively high temperature of the stack, the high-temperature nickel-based alloy inconel600 is generally used as the separator, but 445SUS can also be used as the separator of the stack after testing.

Q: How can I request a quote for the product I need?

A: To request a quote for our product, please provide us with the following information: product name, quantity required, delivery location, and any specific product requirements. You can email us at [admin@ehisen-anode.com] or fill out our online inquiry form on our website.

Q: How to use Separator for SOFC Stack?

A: The separator is used to isolate different dummy stacks in the stack, and it is placed in the middle of the dummy stack and positioned with ceramic rods.