In the rapidly evolving battery industry, ensuring the reliability
and safety of batteries is of utmost significance. Our advanced
Thermal Shock Machine has been meticulously engineered to perform
comprehensive reliability tests on batteries, offering battery
manufacturers, researchers, and quality control teams a reliable
and accurate solution to assess the performance of various battery
types.
1. The Significance of Thermal Shock Testing for Batteries
Batteries are used in a wide array of applications, from electric
vehicles (EVs) and portable electronics to energy storage systems
for homes and industries. These applications expose batteries to
diverse environmental conditions, with temperature variations being
a major factor. In EVs, batteries experience significant heat
during rapid charging and discharging, as well as cold temperatures
in winter months. Portable electronics can be taken from air -
conditioned indoor environments to hot outdoors, subjecting the
batteries to thermal shocks. Thermal shock can cause batteries to
degrade faster, leading to reduced capacity, shorter lifespan, and
in extreme cases, safety hazards such as thermal runaway. By
subjecting batteries to thermal shock tests using our machine,
manufacturers can identify potential weaknesses in battery design,
materials, and manufacturing processes. This allows for
improvements that enhance battery reliability, performance, and
safety.
2. Key Features of Our Thermal Shock Machine
Precise Temperature Manipulation
Our thermal shock machine is equipped with state - of - the - art
temperature control technology. It can achieve an extensive
temperature range, typically from - 40°C to + 125°C. This wide span
enables the simulation of extreme cold in polar regions to the
intense heat of desert environments, covering the full spectrum of
conditions batteries might encounter. The temperature change rate
is highly adjustable, capable of reaching up to 80°C per minute.
This rapid change accurately replicates the sudden thermal shocks
batteries experience, such as when an EV battery transitions from
high - power operation to sudden cooling. The temperature
uniformity within the test chamber is maintained at a high level,
ensuring that all parts of the battery are exposed to the same
temperature conditions, providing consistent and reliable test
results.
Customizable Test Profiles
We understand that different battery chemistries and applications
require unique testing conditions. Our thermal shock machine allows
for the creation of highly customized test profiles. Engineers can
set specific temperature values, temperature change rates, and test
durations according to the characteristics of the battery being
tested. For example, a lithium - ion battery for a high -
performance EV may need a different thermal shock profile compared
to a nickel - metal hydride battery for a cordless power tool. The
ability to tailor the test profiles ensures that each battery is
tested under the most relevant and effective conditions, providing
valuable insights into its reliability.
Robust and Battery - Friendly Test Chamber
The test chamber of our machine is designed to securely hold
batteries during testing. It is constructed from materials that are
not only resistant to extreme temperatures but also non - reactive
with battery components. The chamber has a spacious interior,
usually with dimensions of 600 x 600 x 600 mm, which can
accommodate batteries of various sizes and shapes, from small coin
- cell batteries to large battery packs. The door of the test
chamber is equipped with a tight - sealing mechanism to prevent
heat leakage and ensure accurate temperature control. Multiple
observation windows are installed, allowing operators to monitor
the batteries during the test without opening the chamber and
disrupting the temperature conditions. Additionally, the chamber is
equipped with safety features to handle any potential battery -
related issues, such as gas release during thermal stress.
User - Friendly Control and Monitoring System
Despite its advanced capabilities, the thermal shock machine
features a user - friendly control and monitoring system. The
system is PC - based, equipped with intuitive software. Operators
can easily input test parameters, start and stop the test, and
monitor the progress in real - time. The software provides clear
visual displays of key data such as temperature values, temperature
change rates, and test time remaining. It also has extensive data -
logging and analysis capabilities, enabling the collection and in -
depth evaluation of test data. This data analysis helps in
identifying any signs of battery degradation, capacity loss, or
potential safety risks, facilitating informed decision - making in
battery development and quality control.
High - Precision Measurement and Diagnostic Tools
The machine is equipped with high - precision sensors to measure
the temperature and various battery parameters during the test.
Voltage and current sensors can monitor the electrical performance
of the battery under thermal stress, while temperature sensors are
strategically placed to accurately measure the temperature
distribution across the battery. Advanced diagnostic tools, such as
impedance analyzers, can be integrated into the system to detect
changes in the battery's internal resistance, which is an early
indicator of degradation. The data collected by these sensors is
transmitted to the control system in real - time, allowing for
immediate analysis and decision - making. If a battery shows signs
of abnormal behavior during the thermal shock test, the system can
record the exact time and temperature at which it occurred,
providing valuable information for improving the battery design or
manufacturing process.
3. Specifications
Internal Capacity | 150L |
Internal Dimensions(mm) | W500×H500×D600 |
Sample Limitations | l flammable, explosive, and volatile material testing and storage |
l Testing and keeping corrosive materials in storage |
l testing or keeping biological samples |
l Strong electromagnetic emission source specimens are tested and
stored. |
Temperature Range | -40°C~+150°C |
High temperature zone | +40°C/+150°C |
temperature range |
Low temperature zone | -40°C/0°C |
temperature range |
Temperature recovery time | ≤ 5 minutes (temperature changeover time: 30S) |
High and low temperature exposure | ≥30min |
time |
Temperature fluctuations | ±0.5℃ |
Temperature deviation | ±2.0°C |
Test weight | 5 kg (excluding heat source) |
Test environmental conditions. | Ambient temperature: 5 to 35°C |
Relative humidity ≤ 85% RH |
Measurement data is based on the air outlet |
Meet test standards. |
GB/T 2423.1-2001 Test A: Low temperature test method GB/T
2423.2-2001 Test B: High temperature test method |
GB/T 2423.22-2002 Test N: Temperature change test method Test Na
GJB 150.3-1986 High-temperature tests |
GJB 150.4-1986 Low temperature tests |
GJB 150.5-1986 Temperature shock tests |
Ext. Dimensions(mm) | W 1600×H 2150×D 1700 |
4. Applications in the Battery Industry
Electric Vehicle Batteries
Electric vehicle batteries are a major application area for our
thermal shock machine. Manufacturers use the machine to test the
reliability of lithium - ion battery packs under extreme
temperature conditions. By subjecting these battery packs to
thermal shock tests, they can identify potential issues such as
electrolyte leakage, electrode degradation, and capacity fade. This
helps in improving the performance and lifespan of EV batteries,
ultimately contributing to the wider adoption of electric vehicles.
Portable Electronics Batteries
Batteries for portable electronics, such as smartphones, tablets,
and laptops, are also tested using our thermal shock machine. These
batteries need to be reliable under various temperature conditions
as users carry these devices in different environments. Testing can
reveal issues like reduced battery life due to thermal stress,
which can be addressed to enhance the user experience.
Energy Storage System Batteries
For large - scale energy storage systems used in homes, commercial
buildings, and power grids, battery reliability is crucial. Our
thermal shock machine is used to test the performance of batteries
in these systems under thermal stress. This ensures that the energy
storage systems can operate effectively and safely, even in
challenging temperature conditions.
5. Conclusion
Investing in our Thermal Shock Machine for battery reliability
testing is a strategic move for any organization involved in the
battery industry. With its precise temperature control,
customizable test profiles, robust test chamber, user - friendly
operation, and high - precision measurement capabilities, it offers
a comprehensive solution for ensuring the quality and reliability
of batteries. By using this equipment, battery manufacturers,
researchers, and quality control teams can improve battery
performance, reduce failures, and gain a competitive edge in the
market. Contact us today to learn more about how our thermal shock
machine can be customized to meet your specific battery testing
requirements.