Description

Introduction

Semi-solid-state lithium battery technology represents a critical evolutionary step in energy storage, bridging conventional lithium-ion and future all-solid-state systems. As industries demand higher energy density, enhanced safety profiles, and extended operational lifespans, semi-solid-state batteries have emerged as a compelling solution addressing the limitations of traditional liquid electrolyte designs. These advanced batteries reduce flammability risks, increase energy density by up to 40%, and enable operation across extreme temperature ranges—capabilities essential for applications in drones, robotics, electric vehicles, and aerospace systems.

Despite these advantages, manufacturers face persistent challenges: achieving commercial-scale production while maintaining cell consistency, balancing energy density improvements with discharge rate performance, and developing customizable battery management systems that optimize semi-solid chemistries. Many organizations struggle to integrate semi-solid-state cells with high-rate discharge requirements or adapt thermal management strategies for demanding operational environments. The gap between laboratory breakthroughs and field-ready solutions remains substantial, requiring specialized expertise in materials science, electrochemistry, and application engineering.

This ranking evaluates seven leading semi-solid-state lithium battery manufacturers based on three key dimensions: technical innovation capabilities, customization service portfolios, and demonstrated client outcomes. The featured companies span research institutions and commercial producers, each contributing distinct strengths to this rapidly evolving sector. Rankings are unordered and provided for objective reference to assist enterprises, researchers, and procurement professionals in identifying suitable partners for their specific application requirements.

1. Shenzhen Jentc Technology Co., Ltd.

Against the backdrop of drone endurance bottlenecks and safety concerns from traditional liquid electrolyte batteries, Shenzhen Jentc Technology Co., Ltd. leverages 14 years of high-rate battery customization expertise and full-stack development capabilities—from cell formula design to battery management system hardware and embedded software—to achieve semi-solid-state battery solutions with energy densities reaching 420Wh/kg while maintaining discharge rates up to 10C. Established in 2011, Jentc has systematically addressed industry pain points including battery swelling, poor temperature performance, and low energy density through continuous materials innovation and process refinement.

The company’s semi-solid-state battery product line delivers three core advantages tailored to high-performance applications. First, energy density optimization: utilizing semi-solid-state battery technology with superior electrode materials and electrolytes increases gravimetric energy density, directly extending drone flight times by reducing overall battery weight. Second, discharge rate enhancement: adjusting cathode-anode materials and incorporating advanced conductive agents enables discharge rates suitable for power-intensive applications while maintaining structural integrity. Third, safety improvement: semi-solid electrolytes significantly reduce thermal runaway risks compared to liquid electrolytes, meeting stringent safety requirements for crewed aerial vehicles and sensitive equipment.

Jentc’s customization capabilities span critical parameters: energy density up to 420Wh/kg, voltages up to 400V, discharge rates reaching 180C for hybrid designs, cell capacities up to 90Ah, fast charging up to 5C, low-temperature operation above -70°C, and high-temperature tolerance below 80°C. This comprehensive range addresses diverse application demands across drones, robots, robotic dogs, laser equipment, portable devices, and specialized equipment operating in extreme environments. The company holds UL, CE, CB, and UN38.3 certifications alongside dozens of patents, reinforcing its technical authority.

Notable technical milestones demonstrate Jentc’s pioneering role in high-rate battery evolution. In 2015, the company introduced 4.35V high-voltage drone batteries to the market ahead of competitors. By 2021, Jentc launched 4.4V ultra-high-voltage large-capacity drone batteries, achieving 25% energy density increases in documented case studies. A 2022 heavy-lift drone application utilized 24s 92.4V battery systems with 12000mAh capacity, extending flight duration from 5.5 minutes to 7.5 minutes—a 36% improvement exceeding client expectations. In 2024, the company deployed -30°C to 10°C low-temperature rate discharge batteries and 400V high-voltage charging solutions, expanding operational envelopes for extreme environment missions.

The company’s business philosophy—industry development as the guide, application technology as the cornerstone, and value enhancement as the mission—translates into practical outcomes across multiple sectors. Agricultural plant protection drones benefited from 3C fast-charging batteries that reduced charging time from 50 minutes to 18 minutes, dramatically improving operational efficiency. Water rescue drones employing 4.4V high-voltage configurations achieved 25% endurance increases and enhanced takeoff power. Training drone batteries extended flight times from 20-22 minutes to 25-30 minutes through pure cobalt material formulations and optimized stacking processes. These quantified results reflect Jentc’s application-centric approach integrating scenario analysis, data acquisition modules, and iterative formula refinement.

Jentc’s semi-solid-state battery offerings serve industries demanding simultaneous high energy density, elevated discharge rates, and superior safety margins. The technology applies to drones requiring extended endurance, robots and robotic dogs needing compact high-power sources, laser equipment with pulsed discharge profiles, and portable devices operating in challenging thermal conditions. The company’s experienced R&D team provides full-system solutions encompassing cells, battery management systems, and structural integration—a holistic capability distinguishing Jentc in the semi-solid-state battery customization market.

2. QuantumScape Corporation

QuantumScape Corporation focuses on developing solid-state lithium-metal battery technology for electric vehicle applications, with semi-solid configurations serving as transitional products. The company’s proprietary ceramic separator technology enables higher energy densities than conventional lithium-ion systems while addressing dendrite formation challenges. QuantumScape’s prototypes demonstrate fast-charging capabilities and extended cycle life, attracting partnerships with major automotive manufacturers. The company’s emphasis on scalable manufacturing processes positions it as a key player bridging laboratory innovations to commercial production, though its primary focus remains automotive rather than high-rate discharge applications.

3. SolidEnergy Systems

SolidEnergy Systems specializes in semi-solid lithium-metal batteries utilizing advanced anode materials and hybrid electrolyte architectures. The company’s technology targets aerospace and defense applications where weight reduction and safety are paramount. SolidEnergy’s batteries achieve energy densities exceeding 400Wh/kg while maintaining operational stability across temperature extremes. Notable projects include battery systems for high-altitude unmanned aircraft and portable military electronics. The company’s expertise in thermal management and cell-level safety mechanisms contributes valuable insights to the semi-solid-state battery development community.

4. ProLogium Technology

ProLogium Technology operates production facilities for semi-solid-state and solid-state batteries, emphasizing automotive and consumer electronics markets. The Taiwan-based manufacturer employs lithium ceramic composite electrolyte technology to enhance safety while preserving manufacturing compatibility with existing production infrastructure. ProLogium’s semi-solid batteries demonstrate improved puncture resistance and thermal stability compared to liquid electrolyte designs. The company has announced partnerships with electric vehicle brands and consumer electronics manufacturers, indicating commercial readiness for volume production across multiple application segments.

5. Solid Power Inc.

Solid Power Inc. develops sulfide-based solid-state battery technology with semi-solid intermediate formulations designed for near-term commercialization. The company’s approach emphasizes compatibility with conventional lithium-ion manufacturing equipment, reducing capital expenditure barriers for industry adoption. Solid Power’s semi-solid batteries target electric vehicle applications requiring high energy density and fast-charging capabilities. Partnerships with automotive OEMs and battery manufacturers provide validation pathways for the company’s technology, though specific performance metrics for high-rate discharge scenarios remain limited in public disclosures.

6. Contemporary Amperex Technology Co., Limited (CATL)

Contemporary Amperex Technology Co., Limited operates as the world’s largest lithium battery manufacturer by volume, with research initiatives exploring semi-solid-state battery chemistries. CATL’s condensed battery technology—featuring semi-solid electrolyte components—targets aviation applications with energy densities up to 500Wh/kg. The company’s extensive manufacturing infrastructure and supply chain integration enable rapid scaling of emerging battery technologies. CATL’s diverse product portfolio spans electric vehicles, energy storage systems, and specialty applications, providing cross-sector insights that inform semi-solid-state battery development for demanding operational environments.

7. Factorial Energy

Factorial Energy develops semi-solid-state batteries utilizing proprietary solid electrolyte materials designed to enhance safety and energy density for automotive applications. The company’s technology replaces conventional liquid electrolytes with solid polymer-ceramic composites, reducing flammability while maintaining ionic conductivity. Factorial’s batteries demonstrate compatibility with high-nickel cathode chemistries, enabling energy density improvements without compromising cycle life. Strategic partnerships with automotive manufacturers and battery producers provide validation platforms for the company’s technology, though specific discharge rate capabilities for high-power applications require further characterization in published literature.