Lithium Battery Safety Testing Laboratory - Main Technical Parameters:

1. Battery Heavy Impact Device - Specification Parameters:

Falling weight: 9.1kg ± 0.46Kg (20 ± 1 pound) or 10 Kg

Impact height: 610mm or 1000mm (limit adjustable)

Altimeter display: accurate to 5mm

Horizontal bar: 15.8mm (5/8 inch) steel rod

Impact method: Lift the falling ball to a certain height and release it. The falling ball falls freely in the vertical direction without tilting or shaking

Up and down impact surface: A3 steel plate baked paint

Power supply: 3 ∧, AC220V ± 10%, 60Hz, 3A

2. Battery squeezing device - specification parameters:

Power transmission method: hydraulic;

The battery is sandwiched between two flat plates, and the compression force of the flat plates is transmitted through hydraulic pressure transmission;

After the battery is firmly clamped, the squeezing force starts until it reaches the hydraulic cylinder digital display of 2500 (17.2 Mpa), and the pressure between the two plates is 3000 pounds

At 13KN, the pressure suddenly released;

The diameter of the battery is parallel to the plate. For square batteries, they need to be rotated 90 degrees before being squeezed;

Maximum pressure range: 20KN (commonly used 13KN);

Power display: pressure sensing LED display;

Display pressure accuracy: ± 10.0kg, resolution: 1/10000;

Compressed space: 300 x 300 x 250mm (length x width x height);

Machine travel: 300 mm;

Delay function: 0-99H99S;

Power supply: 3 μ, AC380V ± 10%, 60Hz, 15A;

Control method:

1. Independently developed microcontroller control, which can display the maximum force value or set the force value for testing. The testing time can be set arbitrarily, and the digital display is convenient for recording test data;

2. Complete display of test pressure values for easy understanding of each experimental process;

3. High precision pressure sensor, realizing closed-loop automation control;

3. Battery needle punching device - specification parameters:

Steel needle: High temperature resistant steel needle ranging from ф 2mm to ф 8mm;

Distance from the needle tip to the lower part: 200MM from the plane where the battery is placed;

Clamping distance: 200MM；

Needle punching speed: at a speed of 10-40mm/s, penetrate from the direction perpendicular to the battery plate (with the steel needle staying in the battery);

Penetration force: 0.1-20KN;

Power display: pressure sensing LED display;

trip: 300mm；

Drive mode: cylinder drive (requires external air source);

Clamping method: manual clamping;

Box structure: made into a box type equipment device that is explosion-proof, fireproof, corrosion-resistant, and easy to clean;

Explosion proof box material: Inner box made of stainless steel plate, outer box made of galvanized plate treated with baking paint;

Power requirements: 220V , 50~60HZ，3A ；

Control method:

1. Independently developed microcontroller control, which can display the maximum force value or set the force value for testing. The testing time can be set arbitrarily, and the digital display is convenient for recording test data;

2. Complete display of test pressure values for easy understanding of each experimental process;

3. High precision pressure sensor, realizing closed-loop automation control;

4. Battery combustion injection device - specification parameters:

Burner: Bunsen burner, with an inner diameter of 9.5mm and a length of approximately 100mm

Flame application time: 0~999.9 seconds ± 0.1 seconds

Automatic ignition, automatic control of the testing process

Timer: LED, 0-9999S

Test circular hole surface diameter: 102mm

Test cover width: 24 "(610mm), octagonal

Test cover height: 12 "(305mm)

Including burner and support frame, metal mesh cover, battery placement metal mesh screen

Power supply: 3 ∧, AC220V ± 10%, 60Hz, 3A

5. Temperature controlled battery external short circuit device - specification parameters:

Working voltage: AC 220V 50Hz-60Hz;

Impulse voltage: AC 1kv/1.2-50 μ s (peak) for 1 minute

Maximum voltage of measurable battery: 100V

DC response time: ≤ 5μs

Maximum short-circuit current: 1000A, maximum allowable current of 4le, 5s

Device internal resistance: ≤ 5mΩ

Mechanical lifespan: 300000 cycles

Electrical lifespan: Resistive load 50000 times, inductive load: Resistive load 60% le, 20000 times

Working environment: Temperature -10 ℃ -100 ℃, humidity 10~90%, no condensation

Temperature control accuracy: 0.1℃；

Temperature control: RT room temperature -150 ℃

Box size inside the test box (approximately): 320 * 320 * 300mm (based on actual dimensions);

Test hole: ф50mm, Two;

Working environment: Temperature -10 ℃ -100 ℃, humidity 10~90%, no condensation;

The battery short-circuit circuit is composed of a high current short-circuit contactor, voltmeter, ammeter, 1000A test copper cable, etc;

Power supply: 3 ∧, AC220V ± 10%, 60Hz, 5A

6. Battery drop device - specification parameters:

Maximum weight of test piece: 10kg ± 100g

Drop height: 200-1600mm (adjustable)

Drop height ruler: stainless steel, minimum indication 1mm

Clamping method: air pressure adsorption type, any part can be dropped

Falling floor medium: cement board, acrylic board, stainless steel (choose two from three)

Drop method: multiple angles (diamond, angle, surface)

Bottom plate size: 500 × 600 × 200mm

Operating pressure: 1MPa

Machine size: 700 × 900 × 1650mm

Special control box: 20 × 180 × 140mm

Power supply: 3 ∧, AC220V ± 10%, 60Hz, 3A

7. Battery thermal shock test chamber - specification parameters:

1. Temperature range: normal temperature -200 ℃

2. Temperature display accuracy: ± 0.1 ℃

3. Temperature uniformity: ± 2 ℃

4. Internal dimensions (approximately): 35 * 40 * 40 CM (subject to actual dimensions)

5. Heating time: (5 ± 2) ℃/min (average heating, non-linear no-load)

6. Temperature controller: It can control the total heating time, which is different from ordinary temperature controllers.

7. Inner box material: stainless steel plate

8. Outer box material: Cold rolled steel plate baked paint

9. Insulation material: high-efficiency compressed glass wool

10. Insulation device: no fuse switch, over temperature protection switch, fuse

11. Power supply: 3 ∧, 220V, 15A

12. Safety devices: first over temperature alarm, MCCB overload protection, etc

13. Exhaust flue: blade design with adjustable air volume

14. Control formation: The timer will automatically turn on when the temperature reaches the set temperature, and the heating power will be cut off when the time is up, with a beep prompt

15. Power supply: 3 ∧, AC220V ± 10%, 60Hz, 5A

8Battery Vacuum Low Pressure Test Chamber - Specification Parameters

1. Outer box material: cold-rolled steel plate baked paint material

2. Inner box material: stainless steel material

3. Various takeover: specially made steel material

4. Storage partition: stainless steel material

5. Inner box size: 30 * 30 * 30CM (or specified)

6. Vacuum degree indication: pointer type vacuum degree control gauge, with a minimum pressure range of 1kPa and commonly used 11.6KPA

7. Air pressure control mode: automatic control of air input and output, automatic control of constant air pressure

8. Timing method: From 1 minute to 100 hours per time interval

9. Box door sealing: Use high-temperature resistant silicone sealing rings

10. Safety observation glass: The box door is equipped with a tempered glass observation window (with explosion-proof film), and users can clearly observe the inside of the box

11. Safety device: equipped with pre overpressure safety device, using pressure reducing valve to achieve safety protection against overpressure

12. Power supply voltage: AC220V 50Hz

13. Standard configuration: 1 host and 2 standard storage racks.