Highlights of GAC 60Ah All-Solid-State Battery Breakthroughs
Capacity Breakthrough: Reaching 60Ah level, moving beyond laboratory prototypes into automotive-grade applications.
Key Technologies: Utilizing the GAC 60Ah All-Solid-State Battery‘s third-generation “sponge silicon” anode and high areal capacity solid cathode.
Safety: The GAC 60Ah All-Solid-State Battery exhibits excellent performance in 200°C nail penetration tests.
Mass Production Timeline: Vehicle testing in 2026, with full-scale application expected between 2027 and 2030.
Recently, the high-capacity GAC 60Ah All-Solid-State Battery production line, certified by CCTV, has generated significant excitement. What exactly constitutes this new architecture? Below is a technical breakdown of the GAC 60Ah All-Solid-State Battery compiled from official disclosures.
Primary Sources of Information:
1. April 12, 2024: 2024 GAC TECH DAY (GAC TECH DAY 2024), themed “Science and Technology Horizon.”
2. November 21, 2025: The 23rd Guangzhou International Automobile Exhibition (2025 Auto Guangzhou).
Technical Breakthroughs of GAC 60Ah All-Solid-State Battery
The GAC 60Ah All-Solid-State Battery leverages High Areal Capacity Solid-State Cathode Technology and Third-Generation Sponge Silicon Anode Technology. This translates to energy densities of >400Wh/kg, enabling a vehicle range exceeding 1,000km.
🔋 A. High Areal Capacity Solid-State Cathode Technology
The GAC 60Ah All-Solid-State Battery achieves its superior areal capacity ≥5mAh/cm2 through a three-fold breakthrough spanning cathode material, electrode design, and manufacturing process:
Cathode Material:
High-Stability Modification Technology: Includes a uniformly coated fast ion conductor layer on the surface, which effectively suppresses interfacial side reactions between the cathode material and the solid electrolyte, resulting in a 5% increase in thermal stability on the cathode side, which means uniformly coated fast ion conductor layers increase the thermal stability of the GAC 60Ah All-Solid-State Battery by 5%.
Precision Doping: Stabilizes the cathode material’s crystal structure and mitigates the risk of battery thermal runaway.
Electrode Design:
High-Permeability Lithium-Ion Transport Highway: The solid-state electrode achieves Li-ion conductivity comparable to liquid electrodes, even with 85% high active material loading.
Enhancements: Cathode thickness is increased by 40%, and the active material loading is boosted by 30%.
Manufacturing Process:
Dry Electrode Technology: Enables solvent-free preparation of ultra-thick electrodes exceeding 250μm for the GAC 60Ah All-Solid-State Battery.
🔋 B. Third-Generation Sponge Silicon Anode Technology
This technology employs a new nano-silicon composite anode material, delivering performance improvements across key metrics:
Gravimetric Capacity: Achieves 1,500mAh/g.
Swelling Rate: Reduced by 30%.
Cycling Stability: Improved by 135%, ensuring the GAC 60Ah All-Solid-State Battery remains stable during long-term use.
Areal Capacity: Utilizes Dry Electrode Technology to achieve a maximum areal capacity of 7.7 mAh/cm2.
Mechanism Components:
Active Nano-Amorphous Silicon: Ensures structural integrity and optimized rate performance during cycling.
High-Strength 3D Support Matrix: Suppresses volume expansion and contraction during cycling, significantly enhancing stability in solid-state cells.
Fast Ion Conductor Coating: Improves the anode-solid electrolyte interface, facilitating efficient Li-ion intercalation and de-intercalation.
🔋 C. High-Strength Dense Composite Electrolyte Film
This proprietary solid electrolyte features high Li-ion conductivity, superior thermal stability, and ease of processing.
High Conductivity: Maximum conductivity reaches 10 mS/cm.
Ultra-High Safety: The solid-state cell remains functional after nail penetration and cutting, and can withstand 200 ℃ heat chamber testing.
Thermal Stability: The composite electrolyte film, based on a high-temperature resistant, non-flammable inorganic electrolyte scaffold, exhibits virtually zero thermal shrinkage at 200 ℃, mitigating flammability and thermal runaway risks.
Anti-Abuse Capability: Structural design significantly enhances the film’s anti-puncture strength, drastically alleviating damage from anode dendrites and mechanical abuse, thereby preventing internal short circuits. High puncture strength prevents internal short circuits in the GAC 60Ah All-Solid-State Battery.
🔋 D. GAC Patent on Sulfide Electrolyte Membrane
Patent Title: “Sulfide Electrolyte Membrane and its Preparation Method, Solid-State Battery” (Publication No. CN 119381534 A).
Application Date: November 2024.
Key Feature: The membrane comprises sequentially arranged First Electrolyte Layers (multiple sulfide inorganic electrolyte nanosheets, thickness＜400nm and a Second Electrolyte Layer (sulfide inorganic electrolyte micrometer particles).
Benefit: This structure significantly improves the lithium-ion battery’s critical current density (CCD) and resistance to lithium dendrite growth.
🔋 E. Large-Capacity Cell Manufacturing Technology
GAC has achieved innovative breakthroughs in large-capacity cell process technology:
Process Innovations:
Ultra-thin electrolyte roll-to-roll film casting.
Composite assembly of the electrolyte film and electrode sheets.
In-situ interface fusion process.
Scale: Enables the manufacturing of large-sized, multi-layer stacked all-solid-state cells with a capacity of up to 60 Ah.
Cost Efficiency: Leads to a 15% reduction in equipment investment, a 40% reduction in plant area, and a 35% reduction in overall manufacturing cost.
Why Testing Infrastructure Matters for 60Ah Cells:
As the industry shifts from liquid electrolytes to all-solid-state systems, the requirements for battery testing have evolved. Large-capacity 60Ah cells demand higher precision in voltage monitoring and thermal stability analysis. At Neware, we provide professional-grade testing solutions specifically designed to handle the complex discharge profiles and cycling demands of next-generation solid-state batteries.
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