Jiangyin Chengxin Alloy Material Co., Ltd ，
Jiangsu Xiangcheng Supply Chain Management Co. LTD
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Nickel mesh for hydrogen electrolyzer electrodes high nickel composition zero defect
Nickel mesh is widely used as an electrode material in alkaline water electrolyzers due to its availability, ease of fabrication, and excellent electrical conductivity .
Nickel mesh offers robust structural integrity, which is essential for withstanding the rigors of the electrolysis process. Advanced designs may incorporate multiple heterostructures, such as r-Mn–Ni/CoP, which optimize charge transfer and enhance catalytic activity. Nickel mesh can be engineered with catalytic layers to accelerate the hydrogen evolution reaction (HER) kinetics and improve durability. Nickel mesh electrodes can demonstrate extraordinary activity with low overpotentials, making them superior to many reported HER catalysts.
In summary, nickel mesh for hydrogen electrolyzer electrodes is a critical component in the production of clean hydrogen through water electrolysis. Its combination of mechanical stability, catalytic efficiency, and adaptability to various electrolyzer designs makes it a popular choice in the industry.
Definition:
Mesh count
The number of hole spacing per 25.4mm length along the direction of the hole spacing
Mesh Size- w
Distance between adjacent longitude and latitude wire
Wire diameter- d
The diameter of the wire in the nickel net
Pitch-row p
Distance between centerline of two adjacent wire.
Weaving Type
The way in which the longitude and latitude are interwoven with each other, the nickle network is a square hole network, including plain weave and twill weave two ways
Technical data:
1 Technical requirements for weaved nickel mesh
1.1 Technical requirements for nickel wire
a. Chemical composition Nickel content >99.5%.
b. Diameter tolerance of nickel wire ±0.005mm
c. Nickel wire tensile strength >400Mpa, elongation >25%
1.2 Mesh size and mesh uniformity of nickel mesh conform to GB/T 17492
1.3 The allowable number of major defects of nickel mesh (holes, cracks, half weft, thin and dense channels, skip wire, loose weft/warp wire, warp loose channels) zero defect.
1.4 The maximum deviation of the overall size of the nickel mesh is ±0.5%
1.5 The flatness of the nickel mesh is less than 5mm/2.5m
Chemical composition (%)
| Grade | Ni+Co | Cu | Si | Mn | C | Mg | S | P | Fe | Bal. |
| N6(GB) | ≥99.5 | ＜0.10 | ＜0.10 | ＜0.05 | ＜0.10 | ＜0.10 | ＜0.05 | ＜0.002 | ＜0.10 | ＜0.5 |
| N6(Company standard) | ≥99.7 | ＜0.02 | ＜0.04 | ＜0.05 | ＜0.05 | ＜0.05 | ＜0.03 | ＜0.002 | ＜0.06 | 小于0.3 |
Dimensions and tolerance
| Dimensions | ≥0.03-0.1 | ≥0.1-0.3 | ≥0.3-0.6 | ≥0.6-1.0 | ≥1.0-3.0 | ≥3.0-6.0 |
| Tolerance | ±0.002 | ±0.002 | ±0.005 | ±0.007 | ±0.008 | ±0.02 |
Mechanical properties
| Dimensions | Condition | Elongation(L0=100mm) | Tensile strength (MPa) |
| 0.03-0.1 | M | ≥20 | ≥400 |
| 0.11-0.2 | M | ≥20 | ≥400 |
| 0.21-0.48 | M | ≥30 | ≥400 |