28V lithium-ion: the standard for embedded systems?
In the world of aviation, defense, and high-tech industrial applications, the reliability of embedded systems is paramount. These systems, which range from avionics and communication equipment to autonomous vehicles and robotics, depend on a stable and efficient power source to function correctly.
For decades, the 28V architecture has been a common standard, but the underlying battery technology is undergoing a significant transformation. The shift from traditional chemistries like Nickel-Cadmium (Ni-Cd) and lead-acid to Lithium-ion (Li-ion) is reshaping the landscape of embedded power.
This transition is not just a simple upgrade; it represents a fundamental change in how embedded systems are designed, deployed, and maintained. As a pioneer in advanced battery technology, Saft is at the forefront of this evolution, recently launching a new 28V Li-ion aircraft battery that sets a new benchmark for performance and reliability.
Why 28V Lithium-ion is becoming the standard
The increasing adoption of 28V Li-ion architectures is driven by a convergence of factors that address the growing demands of modern embedded systems.
The power of standardization
The 28V standard offers a common platform that simplifies the design and integration of embedded systems. This compatibility allows for greater interoperability between different components and reduces the complexity of the overall system architecture. By standardizing on a single voltage, manufacturers can streamline their supply chains, reduce development costs, and accelerate time-to-market.
The lithium-ion advantage
Within the 28V architecture, Li-ion technology provides a clear advantage over traditional chemistries. Its high energy density allows for a significant reduction in weight and volume, which is a critical factor in applications where space and weight are at a premium, such as in aircraft and autonomous vehicles. Furthermore, the long cycle life and low self-discharge rate of Li-ion batteries translate into a lower total cost of ownership (TCO) and greater operational reliability.
- The 28V standard simplifies the design and integration of embedded systems.
- Li-ion technology offers significant advantages in terms of energy density, weight, and lifespan, making it the ideal choice for modern embedded applications.
Performance comparison: 28V Li-ion vs. traditional chemistries
The performance gap between 28V Li-ion and traditional chemistries is significant, as illustrated in the table below:
| Feature | 28V Li-ion | Ni-Cd | Lead-acid |
|---|---|---|---|
| Energy Density | High | Medium | Low |
| Weight | Lightweight | Heavy | Very Heavy |
| Cycle Life | Long | Medium | Short |
| Maintenance | Low | High | Medium |
| Reliability | High | High | Medium |
These differences have a direct impact on the operational performance and cost-effectiveness of embedded systems. The lightweight nature of Li-ion batteries, for example, can lead to significant fuel savings in aviation, while their long cycle life reduces the frequency of costly replacements.
Saft’s new 28V Li-ion aircraft battery
Saft’s new 28V Li-ion aircraft battery is a prime example of the technology’s potential. Designed as a drop-in replacement for traditional Ni-Cd batteries, it offers a significant weight reduction, a longer lifespan, and enhanced safety features. The battery incorporates Saft’s proven Super-Phosphate® chemistry, which provides exceptional performance and reliability in the demanding environment of an aircraft.
- 28V Li-ion batteries offer superior performance in terms of energy density, weight, and cycle life compared to traditional chemistries.
- Saft’s new 28V Li-ion aircraft battery sets a new standard for performance and reliability in aviation.
Future scalability: aviation, defense, and industrial applications
The scalability of the 28V Li-ion architecture makes it a future-proof solution for a wide range of applications.
Aviation
In the aviation sector, the trend towards more electric aircraft (MEA) is driving the demand for more powerful and reliable embedded power systems. The 28V Li-ion architecture is well-positioned to meet this demand, providing the power needed for everything from electric taxiing systems to advanced avionics.
Defense
In defense, the need for lightweight, portable, and reliable power is critical. The 28V Li-ion architecture is ideal for powering a wide range of equipment, from portable communication systems to autonomous ground vehicles.
Industrial
In the industrial sector, the 28V Li-ion architecture is being used to power a new generation of autonomous mobile robots (AMRs) and automated guided vehicles (AGVs). The high energy density and long cycle life of Li-ion batteries make them ideal for these demanding applications.
- The 28V Li-ion architecture is a scalable solution that can meet the future needs of the aviation, defense, and industrial sectors.
- The trend towards more electric systems is driving the adoption of 28V Li-ion in a wide range of applications.
Conclusion
The 28V Li-ion architecture is rapidly becoming the new standard for embedded systems in aviation, defense, and industry. Its superior performance, reliability, and scalability make it the ideal choice for powering the next generation of advanced technologies. As a leader in Li-ion technology, Saft is committed to driving this transition, providing innovative and reliable solutions that meet the evolving needs of its customers.
Frequently Asked Questions
28V Li-ion batteries offer a higher energy density, lower weight, longer cycle life, and lower maintenance requirements compared to Ni-Cd batteries.
Saft’s 28V Li-ion batteries are designed as drop-in replacements for traditional Ni-Cd batteries, making the transition straightforward.
Saft’s 28V Li-ion batteries incorporate multiple safety features, including a robust BMS, thermal management, and a rugged mechanical design.
The lifespan of a 28V Li-ion battery can be up to 8 years or more[SJ1.1], depending on the application and operating conditions.
28V Li-ion batteries are used in a wide range of applications, including aviation, defense, and industrial robotics.