Ohmalloy Material Co.,Ltd
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Tin weldable battery pack Al-Ni composite strip
Except pure nickel strip, we also can supply the nickel plated steel strip, this kind of strip can be used for battery with low power and low current. The main advantage of this strip is the price, it is lower a lot than pure nickel strip.
Our Nickel plated steel strip’s normal thickness is as follows:
Thickness: 0.08mm, 0.09mm, 0.10mm, 0.12mm, 0.15mm, 0.17mm, 0.20mm, 0.25mm and others.
Width: 3mm to 20mm
How to distinguish the pure nickel strip with nickel plated strip?
Many clients want to buy the pure nickel strip in low price, but sometimes they can be cheated by supplier who use the nickel plated steel strip to instead of pure nickel strip.
So how to check the quality for each strip become very important. It is impossible for us to check the strip by eye or measurement. The simplest way to distinguish is as follows:
Step 1: Cut the strip into pieces
Step 2: Put the piece into 20% hydrochloric acid and wait
Step 3: After few minutes, if the piece have visible reaction, the material should be nickel plated steel strip.
Application of nickel plated steel strip: battery cell connector, assembled battery, MP3, electrical bicycle, digital camera, laptop, power battery, electric vacuum, special bulb.....
Pure nickel 201 has good corrosion resistance under high temperature and high concentration of alkaline and chloride ions.
Pure nickel belt for high-rate power tool battery pack, notebook battery, and aero model battery combination
It has good spot welding performance, high tensile tension and convenient operation. Low resistivity (preferred for notebook battery pack combination)
It can pass current of more than 50A, it is the first choice for power battery pack combination. This product is mainly used in the manufacture of nickel-metal hydride batteries, lithium batteries, combined batteries and power tools, communication information, special lamps and other industries.
Application examples: connection tabs, tabs, tabs, clips, nickel-metal hydride batteries, lithium batteries, tabs, power tools, assembled batteries, polymer batteries, power batteries, electronics industry, laptop computers, mobile phones in rechargeable battery packs , Cordless power tools, electric bicycles, electric mopeds, pagers, MP3, digital cameras and video recorders, nickel-cadmium, nickel-hydrogen, nickel batteries, assembled batteries and instruments, telecommunications, electric vacuum, special light bulbs
Professional production of battery nickel strip, nickel sheet, welding sheet, connecting sheet
Chemical composition:
N4 also named:Ni201
N6 also named Ni200
Our pure nickel strip for making battery pack is N6,the equivalent in other countries is UNS N N02200, JIS NW2200, DIN/EN 2.4060.
Chemical Content for N6:
| Ni+Co | Cu | Fe | Mn | C | Si | S |
| ≥99.5 | ≤0.06 | ≤0.1 | ≤0.05 | ≤0.1 | ≤0.1 | ≤0.005 |
Physical properties
| Melting Point | 1435-1446℃ |
| Density(g/cm3) | 8.9g/cm3 |
| Thermal conductivity (W/m. ℃) | 79.3(20℃) |
| Volume resistivity (μΩ.cm) | 8.5(20℃) |
Features
The pure nickel strip has excellent mechanical properties, high corrosion resistance in different environments, and magnetic feature,high heat transfer, high conductivity, low gas volume and low vapor pressure. It also has good spot welding properties and high tensile strength.
So when use the pure nickel strip to make battery pack,the spot welding property is good, the internal resistance is lower, the discharge time of the battery pack is durable,the battery spot welding is stronger.
Dimensions for 18650 Nickel Strip
| Type | Dimension (mm) | Cell Spacing (mm) | Width (mm) | Dimension of the square hole(mm) | Length per KG(M) | Type of battery pack | |
| With holder | Withuout holder | ||||||
| 1P 18650 Nickel strip | 0.15*7*18.4 | 18.4 | 7 | / | 112.6 | YES | |
| 0.15*7*19 | 19 | 7 | / | 112.1 | YES | ||
| 0.15*7*19.5 | 19.5 | 7 | / | YES | |||
| 0.15*7*20.25 | 20.25 | 7 | / | 111.9 | YES | ||
| 2P 18650 Nickel strip | 0.15*26*19(13.5*13.5) | 19 | 26 | 13.5*13.5 | 41.4 | YES | |
| 0.15*27*19.5(12*14.5) | 19.5 | 27 | 12*14.5 | 42.9 | YES | ||
| 0.15*27*19.75(12.5*12.5) | 19.75 | 27 | 12.5*12.5 | 41.2 | YES | ||
| 0.15*27*20.25(13.5*13.5) | 20.25 | 27 | 13.5*13.5 | 42.9 | YES | ||
| 2P 18650 Nickel strip | 0.15*25.5*18.4(11*12.5) | 18.4 | 25.5 | 11*12.5 | 42.9 | YES | |
| Dislocation 2P 18650 Nickel strip | 0.15*25.5*18.4(8*9.5) | 18.4 | 25.5 | 8*9.5 | 36.1 | YES | |
| Dislocation 2P 18650 Nickel strip | 0.15*25.5*19.5(8*9.5) | 19.5 | 25.5 | 8*9.5 | 33.8 | YES | |
| 3P 18650 Nickel strip | 0.15*44.5*18.4(11*12.5) | 18.4 | 44.5 | 11*12.5 | 24 | YES | |
| 0.15*45*19(12*12) | 19 | 45 | 12*12 | 25.5 | YES | ||
| 0.15*47.5*20.15(12.65*12.65) | 20.15 | 47.5 | 12.65*12.65 | 24 | YES | ||
| 0.15*47.5*20.25(13.5*13.5) | 20.25 | 47.5 | 13.5*13.5 | 25.7 | YES | ||
| 4P 18650 Nickel strip | 0.15*63*18.5(11*12.5) | 18.5 | 63 | 11*12.5 | 18.9 | YES | |
| 0.15*64*19(12*12) | 19 | 64 | 12*12 | 18.4 | YES | ||
| 0.15*67.95*20.15(12.65*12.65) | 20.15 | 67.95 | 12.65*12.65 | 17.2 | YES | ||
| 0.15*67.7*20.25(13.5*13.5) | 20.25 | 67.7 | 13.5*13.5 | 18.7 | YES | ||
| 5P 18650 Nickel strip | 0.15*83*19(12*12) | 19 | 83 | 12*12 | 14.4 | YES | |
| 0.15*88.1*20.15(12.65*12.65) | 20.15 | 88.1 | 12.65*12.65 | 17.3 | YES | ||
| 0.15*87.9*20.25(13.5*13.5) | 20.25 | 87.9 | 13.5*13.5 | 14.6 | YES | ||
| 6P 18650 Nickel strip | 0.15*102*19(12*12) | 19 | 102 | 12*12 | 11.9 | YES | |
| 0.15*108.25*20.15(12.65*12.65) | 20.15 | 108.25 | 12.65*12.65 | 11 | YES | ||
| 0.15*108.1*20.25(13.5*13.5) | 20.25 | 108.1 | 13.5*13.5 | 12 | YES | ||
| 7P 18650 Nickel strip | 0.15*121*19(12*12) | 19 | 121 | 12*12 | 10 | YES | |
| 0.15*128.4*20.15(12.65*12.65) | 20.15 | 128.4 | 12.65*12.65 | 9.4 | YES | ||
| 0.15*128.3*20.25(13.5*13.5) | 20.25 | 128.3 | 13.5*13.5 | 10.2 | YES | ||
| 8P 18650 Nickel strip | 0.15*140*19(19*19) | 19 | 140 | 19*19 | 8.7 | YES | |
Other sizes are available upon the customers’ requirements.
And for the condition of the pure nickel strip can be Soft,1/4Hard,1/2Hard,Hard.