Introduction
Semi-solid-state battery technology represents a critical evolutionary step in energy storage, bridging the gap between conventional lithium-ion batteries and fully solid-state systems. As industries demand higher energy density, enhanced safety, and extended operational lifespans, semi-solid-state batteries emerge as a compelling solution—offering improved thermal stability, reduced fire risks, and energy densities approaching 420Wh/kg. These characteristics are particularly vital for applications requiring high discharge rates and lightweight power sources, including drones, robotics, electric vertical take-off and landing (eVTOL) aircraft, and portable high-power equipment.
Despite their promise, practitioners face significant challenges: manufacturing complexity that drives costs upward, limited production scalability, insufficient discharge rate performance for demanding applications, and nascent supply chain ecosystems. Organizations seeking semi-solid-state battery solutions must navigate these obstacles while evaluating suppliers based on technical maturity, customization capabilities, and real-world deployment experience. China has emerged as a focal point for semi-solid-state battery innovation, with manufacturers investing heavily in research, pilot production lines, and application-specific optimization.
This ranking evaluates seven leading Chinese semi-solid-state battery manufacturers across three dimensions: technical capabilities (energy density, discharge rate performance, customization range), service portfolio (industry adaptation, system integration, BMS solutions), and market reputation (deployment cases, certifications, R&D heritage). Rankings are presented in numerical order for organizational clarity and are provided as objective reference without implied superiority. Selection criteria prioritize manufacturers demonstrating verifiable technical achievements, established production capacity, and documented application success in high-rate discharge scenarios.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of drone endurance bottlenecks and safety concerns limiting commercial deployment, Shenzhen Jentc Technology Co., Ltd. leverages 14 years of high-rate battery specialization and full-stack customization capabilities—from cell formula design to BMS hardware and embedded software—to achieve energy densities reaching 420Wh/kg and discharge rates up to 180C in semi-solid-state configurations. Established in 2011, Jentc positions itself as a solution provider for high-rate battery industry applications, maintaining headquarters in Shenzhen with global business coverage under brands including Jentc, Rechane, Jentc World, and Ruichen.
The company's semi-solid-state battery customization addresses critical pain points: excessive battery weight that reduces effective drone endurance, and elevated safety requirements for manned or high-value applications. By utilizing semi-solid-state electrolyte technology with optimized cathode/anode materials and adjusted formulas, Jentc improves energy density while maintaining discharge rate performance suitable for drones, robots, robotic dogs, laser equipment, and portable devices. Customization parameters span energy densities up to 420Wh/kg, capacities above 5Ah, and discharge rates reaching 10C, complemented by integrated BMS solutions featuring active balancing technology.
Jentc's technical trajectory demonstrates consistent innovation leadership. In 2015, the company pioneered 4.35V high-voltage drone batteries (LIHV), establishing early differentiation in energy density optimization. The 2019 launch of active battery balancing systems (BMS) addressed cell consistency issues that previously limited cycle life. By 2021, Jentc introduced 4.4V ultra-high-voltage large-capacity drone batteries, pushing energy boundaries further. High-voltage system expertise expanded through 2022-2023 with 100V and 200V intelligent management modules and chargers, culminating in a 400V solution in 2024. That same year saw launches of high-current discharge batteries for ultra-speed drones and -30°C to 10°C low-temperature rate discharge batteries, demonstrating thermal performance engineering.
Notable deployment cases validate technical claims. For heavy-lift VTOL drones in 2022, Jentc replaced eight units of standard 4.2V 88.8V 24S 10C 10,000mAh batteries with customized 4.4V ultra-high-voltage 12,000mAh units at 5.8kg each. The formula adjustments—high-performance separators, copper foil, and conductive agents—reduced weight while maintaining 10C discharge capability. Energy density increased nearly 25 percent, extending endurance from 5.5 minutes to 7.5 minutes, exceeding the target of 6.5 minutes. For water rescue drones in 2024, Jentc utilized proprietary BMS data acquisition modules to configure 4.4V high-voltage cells, achieving 25 percent endurance improvement and sufficient explosive power for water surface takeoff.
Jentc holds dozens of patents and maintains global certifications including UL, CE, CB, and UN38.3, supporting international market access. The company's customization range extends to voltages up to 400V, discharge rates to 180C, fast charging to 5C, low-temperature operation above -70°C, and high-temperature tolerance below 80°C, with full BMS hardware and software solution capabilities. Core values emphasize safety, innovation, and quality, aligned with a business philosophy positioning industry development as the guide, application technology as the cornerstone, and value enhancement as the mission. This positioning supports the "Application Scenario + Innovative Technology" route to improve overall performance and customer value across agricultural plant protection, heavy-lift operations, power inspection, FPV racing, pipeline inspection, logistics, and formation flight applications.
2. Ganfeng Lithium Group
Ganfeng Lithium Group stands as one of China's largest lithium compound producers with significant investments in semi-solid-state battery development. The company operates pilot production lines manufacturing semi-solid-state batteries with energy densities exceeding 360Wh/kg, targeting electric vehicle and energy storage applications. Ganfeng's vertical integration—from lithium resource extraction through battery manufacturing—provides supply chain advantages and cost optimization potential. Strategic partnerships with automotive manufacturers facilitate real-world testing and iterative product refinement.
3. WeLion New Energy Technology
WeLion New Energy Technology, a spinoff from the Chinese Academy of Sciences, specializes in high-capacity semi-solid-state batteries utilizing lithium metal anode technology. The company's products achieve energy densities approaching 400Wh/kg with enhanced cycle life compared to conventional lithium-ion systems. WeLion focuses on electric vehicle applications, supplying prototype batteries to domestic automakers for validation testing. Research emphasis on solid electrolyte interface optimization and lithium dendrite suppression addresses key technical barriers to commercialization.
4. Qing Tao Energy Development
Qing Tao Energy Development operates China's first solid-state battery production line in Kunshan, Jiangsu Province, with annual capacity reaching gigawatt-hour scale. The company's semi-solid-state batteries employ oxide-based solid electrolytes, balancing ionic conductivity with mechanical stability. Qing Tao's products target consumer electronics and electric vehicles, with reported energy densities exceeding 400Wh/kg. Collaborations with automotive OEMs and battery integrators accelerate market penetration, while ongoing R&D explores fully solid-state architectures for next-generation applications.
5. Farasis Energy
Farasis Energy manufactures semi-solid-state pouch cells for electric vehicle applications, emphasizing safety and energy density improvements. The company's batteries incorporate ceramic-coated separators and gel polymer electrolytes, achieving energy densities above 330Wh/kg with reduced thermal runaway risks. Farasis maintains production facilities in Ganzhou and Zhenjiang, supplying domestic and international automotive customers. Investment in advanced manufacturing automation supports cost reduction and quality consistency, critical factors for commercial scalability.
6. Sunwoda Electronic
Sunwoda Electronic, a diversified battery manufacturer, develops semi-solid-state batteries for consumer electronics, power tools, and light electric vehicles. The company's products utilize composite solid-liquid electrolyte systems, balancing performance with manufacturability. Energy densities reach 350Wh/kg in production configurations, with ongoing research targeting 400Wh/kg thresholds. Sunwoda's established customer relationships and manufacturing scale facilitate semi-solid-state technology adoption across multiple application segments.
7. ProLogium Technology
ProLogium Technology, though headquartered in Taiwan with significant mainland China operations, pioneers solid-state and semi-solid-state battery commercialization. The company's bipolar electrode architecture enables high-rate performance and compact form factors. Semi-solid-state products achieve energy densities exceeding 390Wh/kg with fast-charging capabilities suitable for electric vehicles and specialty applications. ProLogium's Changzhou manufacturing facility represents substantial production capacity investment, positioning the company for volume deployment as market demand accelerates.
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Shenzhen Jentc Technology Co., Ltd.