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CATL Redefines Energy Storage Standards with Mass Production of 587Ah Battery Cell

2025-06-12 | Eric

Shanghai, June 10, 2025 - CATL, the global leader in battery innovation, today announced the mass production and delivery of its next-generation 587Ah energy storage battery cell during its "True Energy" Technology Day event in Shanghai.

The Optimal Solution for Large-Scale Energy Storage

While the industry recognizes that bigger isn't always better for energy storage cells, CATL's 587Ah cell represents three years of intensive R&D to find the perfect balance between regulatory compliance, system integration, and electrochemical performance.

Key Integration Advantages

40% reduction in system components (from 30,000 to 18,000 parts)
Maintains compliance with 45-ton hazardous material transport limits
5% improvement in full lifecycle ROI compared to previous generation
25% increase in system energy density

Unmatched Performance Specifications

Energy Density

434Wh/L (10% improvement over previous generation)

Round-Trip Efficiency

96.5% initial RTE (Energy Efficiency)

Manufacturing Quality

PPB-level defect rate (1 in 1 billion)

Production Efficiency

50% faster cycle time, 57% lower carbon emissions

Defining True Value in Energy Storage

True Performance

Revolutionary upgrade to LFP material system
Self-repairing anion electrolyte technology
Multi-functional group compound for extended lifespan

True Reliability

Innovative materials and structural design
Precise data prediction capabilities
One order of magnitude lower failure rate than stacked batteries

True Safety

Three-dimensional protection system:
- Safety electrolyte
- Non-diffusing anode
- Heat-resistant separator
Passes GB/T 36276 and GB 44240 national safety standards
Zero thermal runaway incidents in over 256GWh deployed globally

Building on a Legacy of Excellence

Following its industry-standard 280Ah and 314Ah cells, CATL's 587Ah cell continues the company's tradition of setting benchmarks in energy storage. With over 256GWh deployed across 1,000+ global projects maintaining a perfect safety record, the 587Ah cell is poised to become the new gold standard in energy storage quality and value.

"In this transformative period for the energy storage industry, driven by both policy and market forces, our 587Ah cell represents the perfect convergence of performance, safety, and reliability - delivering true value to our customers worldwide."