CALB Unveils ZHIJIU Series Energy Storage Cells at ESIE 2026
Release time:
2026-05-06 16:51
On April 1, the 14th Energy Storage International Summit & Exhibition (ESIE 2026) opened in Beijing. CALB participated as a provider of AI+Energy zero-carbon solutions and officially launched three next-generation long-cycle energy storage cells under its ZHIJIU (Endurance) series—392Ah, 588Ah, and 661Ah—during the opening-day press conference.
ZHIJIU Series: 15,000 Cycles with Zero Degradation in First Three Years
Developed based on one year’s mass production and delivery experience of CALB’s 314Ah Gen2.0 ultra-long-cycle energy storage cells, the ZHIJIU series achieves industry-leading core performance:
● 15,000 cycles of service life
● 25-year calendar life
● Zero capacity degradation in the first three years
The exceptional longevity stems from systematic optimization of cathode, anode, and electrolyte materials. CALB has pioneered the large-scale application of lithium replenishment technology in the industry:
● Cathode: Lithium replenishment additives boost initial capacity and cycle stability.
● Electrolyte: Proprietary additives enhance the stability of the cathode electrolyte interface (CEI) film, suppressing side reactions and eliminating gas generation during lithium replenishment (“lithium replenishment without gas”).
● Anode: High-strength granulation and artificial SEI-like interface design strengthen structural stability.
Tailored for new energy consumption, grid fluctuation regulation, AIDCs, and zero-carbon parks, the cells meet demands for long lifespan under frequent cycling, supporting a 25-year “solar-storage synchronous lifespan” goal.
“Zero-Carbon Ark” Launched: Empowering Urban Smart Energy Upgrade
CALB also unveiled its “Zero-Carbon Ark” energy management platform, co-developed with Bingwu Digital Intelligence, positioning itself as a smart energy hub for parks and cities.
● Technical Architecture: AI algorithms aggregate data from generation, grid, load, and storage for collaborative optimization, forming an urban energy.
● Implementation Path: Adopts a “from park to city” phased strategy—starting with zero-carbon parks as demonstration units, then expanding to full regions for smart dispatching and zero-carbon transformation.
The “Zero-Carbon Ark” full-scenario zero-carbon ecosystem demonstration project has completed market validation and will enter mass delivery.
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