Sodium-ion batteries are quickly emerging as a compelling alternative to lithium-based batteries in the electric vehicle (EV) industry. Leading the charge is HiNa, a pioneer in Sodium-ion Battery technology. At a recent press event, HiNa introduced its latest offering—the Haixing Sodium-ion Battery series—designed specifically for commercial electric vehicle fleets.
Enhanced Energy Density Matches LFP Batteries
The Haixing series boasts an energy density of up to 165 Wh/kg, placing it on par with lithium iron phosphate (LFP) batteries, which are commonly used in EVs and portable power banks. In comparison, older HiNa batteries, such as the 32140 cylindrical sodium-ion cells used in compact EVs like the Jiwei 3, featured an energy density of 140 Wh/kg. The increased energy density in the Haixing series marks a significant step forward for sodium-ion technology.
Cost-Effective and Fast-Charging
HiNa’s sodium-ion batteries are also highly economical, with production costs 30-40% lower than lithium-based batteries. This cost advantage makes them attractive for commercial EV fleets where affordability plays a critical role. Additionally, the Haixing cells support ultra-fast charging, achieving a full charge in under 25 minutes. This capability ensures minimal downtime, an essential factor for logistics and transportation companies relying on EV fleets.
Multiple Variants for Diverse Applications
HiNa’s Haixing series includes four battery pack versions: K150, K210, K280, and K350. These configurations cater to various EV applications, from short-distance urban transportation to long-distance logistics. The K150 and K210 variants are ideal for vehicles operating on shorter routes, while the K280 and K350 cater to fleets requiring higher capacity for extended trips.
Temperature Resilience and Durability
The Haixing batteries showcase excellent temperature resilience. They maintain stable performance at extreme temperatures, ranging from -40°C to 45°C (-40°F to 113°F). Moreover, they support fast charging throughout their lifecycle while offering exceptional longevity. HiNa estimates the batteries retain good capacity after 8,000 charge cycles, ensuring reliability for years of operation.
Scaling Up Production
HiNa has already established a gigawatt-hour (GWh) level production facility, enabling it to meet growing demand at scale. This capability positions HiNa as a key player in the push toward more sustainable and cost-effective battery solutions for EVs. The company emphasizes its readiness to deliver greater output at significantly lower costs, paving the way for broader adoption of sodium-ion technology in commercial fleets.
Conclusion
With advancements in efficiency, affordability, and scalability, the Haixing Sodium-ion Battery series could reshape the future of commercial EV fleets. Offering energy density comparable to LFP batteries and fast-charging convenience at a fraction of the cost, these batteries address key industry needs. As sodium-ion technology continues to evolve, it has the potential to become a cornerstone of the electric mobility revolution.
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