Core Technology – Solid-State Batteries-方舟机电

中文/EN

Energy storage and endurance, leading the future ecosystem.

Solid-state battery

Ark Group’s solid-state safety battery technology has overcome the technical bottleneck of reducing internal resistance in both the cathode and anode materials when they are in polymer form, addressing the longstanding challenge of short cycle life. The company holds complete proprietary intellectual property rights over its production processes, as well as its cathode and anode formulations and manufacturing procedures. Currently, Ark is fully committed to developing the industry’s safest batteries and building a full‑life‑cycle polymer battery ecosystem. Its portfolio includes subsidiaries engaged in R&D for new‑energy storage technologies, next‑generation energy‑efficient motor development, cell production, and PACK assembly.

Research achievements

After more than a decade of research and development, the Group’s technical team has successfully overcome the technological bottlenecks of solid-state batteries, mastering proprietary production and manufacturing technologies. The company is also the first in China to achieve large-scale mass production of solid-state battery cells.

The company’s solid-state battery products have undergone extensive field‑testing and demonstrate industry‑leading performance across key metrics, including safety, energy density, power density, fast‑charging capability, driving range, and service life. With fully automated, large‑scale production capabilities and an agile market‑response mechanism, the company’s solid-state batteries deliver comprehensive, high‑performance solutions for global applications in new‑energy power batteries and energy‑storage systems.

Patented technology

69 chapter

File an independent patent application

225 chapter

Lead patent application

2000 chapter

Team patent application

9 item

Technological breakthrough

Breakthrough in Safety Performance

All-solid-state batteries have passed rigorous professional tests—such as puncture, drop, compression, cutting, and gunshot—conducted by national testing authorities, exhibiting no thermal runaway or explosions, thereby fully addressing the safety concerns associated with battery fires and explosions.

Breakthrough in operating temperature range

Employing aerospace-grade technology and meeting military‑grade standards, this product is designed for extreme environments, with an operating temperature range spanning –43°C to +120°C—leading the entire market.

Energy density breakthrough

The maximum energy density of solid-state batteries has exceeded 730 Wh/kg.

Breakthrough in fast-charging and fast-discharging performance

Demonstrates outstanding charge–discharge performance, supporting up to 3C charging and 8C discharging.

Breakthrough in manufacturing process

To simplify the assembly process, individual cell capacities can reach 500–1,500 Ah, thereby addressing the issue of poor parameter consistency in batteries assembled using conventional PACK methods.

A breakthrough in cell structural design

The cell‑structure design emphasizes optimizing electrode–electrolyte interfacial contact, reducing interfacial resistance, and enhancing the battery’s overall performance.

Breakthrough in Core Materials

The nano-scale new-material solid-state battery employs a self-developed advanced material.

Breakthrough in product shape

Solid-state batteries are compact and come in a variety of forms, making them suitable for different spatial requirements.

Cyclical Breakthrough

It has overcome the technical bottleneck of reducing internal resistance in polymer‑based cathode and anode materials, addressing the longstanding challenge of short cycle life, with a cycle life reaching 8,000 to 12,000 cycles.

Data Comparison

Comparison metrics

Ternary lithium battery

Lithium iron phosphate battery

Sodium-ion battery

Solid-state battery

Energy density (Wh/kg)

200~280

120~170

110~150

150~730

Cycle life (cycles)

1000~2000

3,000~5,000

1000~3000

>8000-12000

Security

Poor

Good

Excellent

Low-temperature performance

Good

Poor

Good

High-temperature performance

General

Good

Rate performance

0.5C~5C

0.5~3C

0.5C~3C

0.5C~15C

Operating temperature

-20~55℃

-10~50℃

-20~50℃

-43~+120°C

With innovation as the vessel and green as the sail
Embarking on a journey toward sustainable development with the Ark, reaching for the stars and the vast ocean.

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