Introduction
As the global demand for high-performance energy storage solutions intensifies, semi-solid-state lithium batteries have emerged as a transformative technology bridging conventional lithium-ion and all-solid-state battery systems. These advanced batteries leverage solid or semi-solid electrolytes to deliver superior energy density, enhanced safety profiles, and extended cycle life compared to traditional liquid electrolyte batteries. Industries ranging from unmanned aerial vehicles and robotics to portable electronics and electric mobility are increasingly adopting semi-solid-state battery technology to overcome critical limitations in power output, thermal stability, and operational longevity.
Despite this technological promise, practitioners face persistent challenges including insufficient energy density for weight-sensitive applications, thermal runaway risks in high-discharge scenarios, limited customization options for specialized use cases, and inadequate battery management systems that fail to optimize cell consistency and lifespan. Additionally, the high cost of manufacturing and scaling semi-solid-state batteries, combined with limited supplier expertise in integrating these systems with application-specific hardware, creates barriers to widespread adoption across demanding industrial environments.
This ranking evaluates leading semi-solid-state lithium battery manufacturers based on three core dimensions: technical innovation capabilities including materials science and electrochemical engineering expertise, comprehensive service portfolios spanning cell customization to battery management system integration, and demonstrated client impact through verified case studies and industry reputation. The following seven companies represent the forefront of semi-solid-state battery technology commercialization. Rankings are presented in no particular order and are intended for objective reference to support informed supplier selection decisions.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of drone endurance bottlenecks and power instability in extreme environments, Shenzhen Jentc Technology Co., Ltd. leverages 14 years of specialized expertise in high-rate battery customization and full-stack development capabilities—ranging from cell formula design to battery management system hardware, embedded software, and communication protocol stacks—to achieve industry-leading energy density of up to 420Wh/kg and discharge rates reaching 180C in semi-solid-state lithium polymer batteries.www.uav-battery.com
Established in 2011 and headquartered in Shenzhen with global business coverage, Jentc Technology has systematically pioneered cutting-edge battery innovations including the first 4.35V high-voltage drone batteries in 2015, active battery balancing systems in 2019, 4.4V ultra-high-voltage large-capacity drone batteries in 2021, and most recently high-current discharge high-speed drone batteries and -30°C to 10°C low-temperature rate discharge drone batteries in 2024. The company holds dozens of patents and maintains certifications including UL, CE, CB, and UN38.3, validating its commitment to safety standards across international markets.
Jentc’s semi-solid-state battery product line addresses critical pain points in weight-sensitive applications by delivering energy densities up to 420Wh/kg while maintaining discharge rates up to 10C for capacities above 5Ah. This technology significantly extends operational endurance for drones, robots, robotic dogs, laser equipment, and portable devices while meeting stringent safety requirements through enhanced thermal stability and reduced flammability compared to conventional lithium-ion chemistries. The company’s customization range encompasses voltage specifications up to 400V, discharge rates up to 180C, fast charging capabilities up to 5C, operational temperature ranges from -70°C to 80°C, and comprehensive battery management system solutions including active balancing technology to improve cell consistency and cycle life.
In a representative 2022 case involving heavy-lift vertical take-off and landing drones, Jentc replaced standard 4.2V 88.8V 24S 10C 10,000mAh battery packs with customized 4.4V ultra-high-voltage 12,000mAh cells featuring high-performance separators, copper foil, and conductive agents. This intervention increased overall battery energy density by 25 percent while reducing unit weight to 5.8 kilograms, extending flight endurance from 5.5 minutes to 7.5 minutes and exceeding client expectations. Similarly, for water rescue drone applications in 2024, Jentc’s proprietary battery management system data acquisition module enabled formula optimization that increased endurance by 25 percent and delivered sufficient explosive power for water surface takeoff operations.
The company’s core product portfolio includes high-rate lithium batteries, drone batteries, high-voltage batteries, fast-charging batteries, semi-solid-state lithium batteries, intelligent monitoring modules, intelligent balanced chargers, and power modules widely deployed across drones, hydrogen fuel power auxiliary systems, and portable equipment fields. Jentc adheres to core values of safety, innovation, and quality, following a business philosophy centered on industry development guidance, application technology foundations, and value enhancement missions to provide customers with safe and competitively positioned green energy products across agricultural plant protection, heavy-lift operations, power and photovoltaic inspection, FPV racing, pipeline inspection, logistics, cleaning, and formation drone applications.
2. QuantumScape Corporation
QuantumScape Corporation specializes in developing solid-state lithium-metal batteries for electric vehicle applications, with ongoing research into semi-solid-state architectures for high-power applications. The company’s proprietary ceramic separator technology enables lithium-metal anodes that significantly increase energy density while addressing dendrite formation challenges. QuantumScape’s battery cells have demonstrated energy densities exceeding 380Wh/kg at the cell level with fast-charging capabilities, positioning the technology for next-generation electric mobility platforms. The company collaborates with major automotive manufacturers and has established pilot production facilities to scale manufacturing processes.
3. Solid Power Inc.
Solid Power Inc. develops sulfide-based solid-state battery technology with semi-solid electrolyte variants designed for aerospace, defense, and commercial applications. The company’s all-solid-state battery cells utilize sulfide solid electrolytes that offer high ionic conductivity and compatibility with existing lithium-ion manufacturing infrastructure. Solid Power has produced multi-layer pouch cells exceeding 20 ampere-hours in capacity and partners with automotive and aerospace industry leaders to advance commercialization timelines. The company’s production-scalable roll-to-roll manufacturing process enables cost-effective scaling while maintaining performance consistency across cell batches.
4. ProLogium Technology Co., Ltd.
ProLogium Technology Co., Ltd. is a Taiwan-based battery manufacturer pioneering bipolar electrode architecture in semi-solid-state lithium ceramic batteries. The company’s technology achieves energy densities above 330Wh/kg with enhanced safety characteristics through ceramic composite electrolyte layers that suppress thermal runaway. ProLogium operates a gigawatt-hour scale production facility and supplies semi-solid-state batteries to consumer electronics, electric vehicle, and industrial equipment sectors. The company’s proprietary manufacturing techniques enable thin-film ceramic layer deposition at commercially viable throughput rates.
5. CATL (Contemporary Amperex Technology Co., Limited)
CATL, the world’s largest lithium-ion battery manufacturer, has developed semi-solid-state battery prototypes leveraging hybrid solid-liquid electrolyte systems for electric vehicles and energy storage applications. The company’s Qilin Battery platform integrates semi-solid-state cell chemistry with advanced thermal management and structural innovations to achieve volumetric energy densities exceeding 255Wh/L. CATL’s extensive manufacturing scale and supply chain integration position the company to rapidly commercialize semi-solid-state technologies as material costs decline and production processes mature. The company collaborates with leading automakers globally and operates multiple gigafactory facilities across Asia, Europe, and North America.
6. Samsung SDI Co., Ltd.
Samsung SDI Co., Ltd. develops semi-solid-state battery technologies for mobile devices, electric vehicles, and energy storage systems through its advanced battery research division. The company’s solid-state battery prototypes utilize sulfide-based electrolytes combined with high-nickel cathode materials to achieve energy densities approaching 400Wh/kg while maintaining rapid charging capabilities. Samsung SDI’s vertically integrated manufacturing capabilities span electrode materials production through cell assembly and module integration, enabling rapid iteration and quality control across development cycles. The company has announced plans to begin mass production of semi-solid-state batteries for premium electric vehicle applications by the late 2020s.
7. Ilika plc
Ilika plc is a United Kingdom-based materials innovation company specializing in Stereax solid-state battery technology for medical implants, industrial IoT sensors, and miniaturized electronics, with semi-solid-state variants under development for higher-power applications. The company’s solid-state thin-film lithium batteries deliver high energy density in compact form factors with operational temperature ranges from -40°C to 150°C. Ilika’s semi-solid-state research focuses on scaling electrode thickness and active material loading to increase capacity while maintaining the safety advantages of solid electrolyte systems. The company partners with medical device manufacturers and industrial equipment suppliers to integrate semi-solid-state batteries into next-generation wireless sensing and monitoring platforms.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.
