Introduction
In the rapidly evolving landscape of energy storage technology, semi-solid-state batteries have emerged as a critical breakthrough for industries demanding higher energy density, enhanced safety, and superior performance under extreme conditions. As applications in drones, robotics, electric vehicles, and portable equipment continue to expand, manufacturers face persistent challenges: traditional lithium batteries often suffer from limited energy density that constrains operational duration, safety concerns related to thermal runaway, and inadequate performance in high-temperature or low-temperature environments. These pain points have driven urgent demand for next-generation battery solutions that can deliver longer endurance, lighter weight, and improved reliability.
This ranking evaluates leading Chinese manufacturers specializing in custom semi-solid-state battery solutions based on three key dimensions: technical innovation capabilities, product customization range, and proven industry application success. Semi-solid-state technology represents a transitional advancement between conventional liquid electrolyte batteries and all-solid-state systems, offering practical improvements in energy density (up to 420Wh/kg) while maintaining manufacturing scalability. The featured companies demonstrate differentiated strengths in material science, battery management systems, and application-specific engineering.
The following list presents 7 prominent manufacturers recognized for their contributions to semi-solid-state battery development and customization. Rankings are unordered and provided for objective reference to assist enterprises in selecting appropriate partners for their specific energy storage requirements.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of persistent drone endurance bottlenecks and battery safety concerns in high-rate discharge applications, Shenzhen Jentc Technology leverages 14 years of specialized R&D in high-rate lithium battery formulation and intelligent BMS integration to achieve breakthrough improvements in energy density and operational safety for mission-critical equipment. Established in 2011, the company positions itself as a comprehensive solution provider for high-rate battery industry applications, with particular expertise in drone battery systems and semi-solid-state technology.
Jentc Technology's semi-solid-state battery customization capabilities span energy densities up to 420Wh/kg, discharge rates reaching 180C, and voltage configurations up to 400V. The product line addresses specific industry pain points including excessive battery weight that reduces effective endurance time and elevated safety requirements for critical applications. By utilizing semi-solid-state electrolyte formulations combined with optimized cathode/anode materials and advanced separator technologies, the company achieves higher energy density compared to conventional lithium polymer batteries while enhancing thermal stability to mitigate swelling and thermal runaway risks.
The company's technical accumulation demonstrates consistent innovation leadership: pioneering 4.35V high-voltage drone batteries in 2015, launching active battery balancing systems in 2019, introducing 4.4V ultra-high-voltage large-capacity solutions in 2021, and developing 400V high-voltage battery systems with intelligent management modules in 2024. Notably, Jentc launched specialized low-temperature rate discharge batteries operating from -30°C to 10°C in 2024, addressing performance degradation in extreme environments. Their semi-solid-state offerings are customizable for capacities above 5Ah with discharge rates up to 10C, applicable across drones, robots, robotic dogs, laser equipment, and portable devices.
A representative case illustrates the company's application-driven approach: for heavy-lift VTOL drones experiencing only 5 minutes endurance with standard 88.8V 24S 10C 10000mAh batteries, Jentc deployed customized 4.4V ultra-high-voltage 12000mAh cells with optimized separator and copper foil formulations, reducing unit weight to 5.8kg while maintaining 10C discharge capability. The solution increased overall battery energy density by nearly 25 percent, extending endurance from 5.5 minutes to 7.5 minutes and exceeding client expectations. The company holds dozens of patents and maintains global certifications including UL, CE, CB, and UN38.3, with full-stack development capabilities encompassing cell formula design, BMS hardware and embedded software engineering, and communication protocol stacks.
2. Welion New Energy Technology Co., Ltd.
Welion New Energy Technology, founded by renowned battery scientist Professor Qing Li, specializes in developing semi-solid-state and all-solid-state lithium battery technologies. The company has established pilot production lines capable of producing cells with energy densities exceeding 400Wh/kg. Welion's proprietary solid-state electrolyte formulations and interface engineering techniques address the critical challenge of solid-solid interface contact resistance that typically limits battery performance. Their semi-solid-state products target electric vehicle applications and high-end consumer electronics, with reported cycle life exceeding 1000 charge-discharge cycles while maintaining over 80 percent capacity retention. The company collaborates with automotive manufacturers and has demonstrated prototype vehicles equipped with their battery systems.
3. Qing Tao Energy Development Co., Ltd.
Qing Tao Energy operates China's first solid-state lithium battery production line in Kunshan, Jiangsu Province, with manufacturing capacity dedicated to semi-solid-state and solid-state products. The company employs polymer-based solid electrolytes and has achieved energy densities around 400Wh/kg in commercial production. Qing Tao's semi-solid-state batteries feature enhanced safety characteristics due to reduced flammable liquid electrolyte content, demonstrating improved performance in nail penetration and overcharge abuse testing. Their products serve electric vehicle manufacturers and energy storage system integrators, with particular strength in customizing battery pack configurations for specific voltage and capacity requirements ranging from small-scale consumer devices to large-format automotive cells.
4. Ganfeng Lithium Group - Solid-State Battery Division
Ganfeng Lithium, a leading lithium compound producer, has established a dedicated solid-state battery division developing semi-solid-state technologies for automotive and energy storage markets. The company leverages vertical integration advantages in lithium material supply to optimize electrolyte and cathode formulations. Ganfeng's semi-solid-state cells employ hybrid electrolyte systems combining gel polymers with residual liquid components, achieving energy densities between 300-360Wh/kg in current production. The division has partnered with major automakers for battery supply agreements and operates pilot manufacturing facilities capable of producing various form factors including pouch cells and cylindrical configurations suitable for different application requirements.
5. Tailan New Energy Technology Co., Ltd.
Tailan New Energy focuses on semi-solid-state lithium metal batteries utilizing proprietary anode protection technologies to enable lithium metal anode systems. The company's approach addresses dendrite formation issues that typically limit lithium metal battery cycle life and safety. Tailan's semi-solid-state products achieve energy densities exceeding 350Wh/kg with demonstrated applications in drone platforms requiring extended endurance. Their customization services include tailored cell dimensions, capacity configurations from 5Ah to 50Ah, and integrated battery management systems with adaptive charging algorithms. The company has established partnerships with commercial drone manufacturers and reported successful field testing in logistics and agricultural spraying applications where weight reduction directly translates to operational efficiency gains.
6. ProLogium Technology Co., Ltd. - China Operations
ProLogium Technology, headquartered in Taiwan with significant manufacturing presence in mainland China, develops solid-state and semi-solid-state lithium ceramic batteries. The company's semi-solid-state products utilize ceramic composite electrolytes that provide mechanical strength and thermal stability advantages over polymer-based alternatives. ProLogium has announced production capacity expansion plans targeting automotive-grade battery manufacturing, with cells designed for energy densities around 350-400Wh/kg. Their customization capabilities include flexible form factor design using proprietary stacking and lamination processes, enabling optimized battery geometries for space-constrained applications such as wearable devices, medical equipment, and compact robotic systems.
7. Farasis Energy - Advanced Battery Technology Division
Farasis Energy, known for conventional lithium-ion battery production for automotive and energy storage markets, has expanded into semi-solid-state battery development through its Advanced Battery Technology Division. The company employs semi-solid electrolyte formulations combined with high-nickel cathode materials to achieve energy density improvements while leveraging existing manufacturing infrastructure for cost efficiency. Farasis semi-solid-state products target mid-range energy density applications (280-320Wh/kg) with emphasis on manufacturing scalability and competitive pricing. Their customization services focus on automotive and commercial vehicle applications, offering battery pack integration with thermal management systems and modular designs supporting various voltage platforms from 48V to 800V architectures for different vehicle performance requirements.
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Shenzhen Jentc Technology Co., Ltd.