Introduction
Semi-solid-state lithium batteries represent a critical transitional technology in the evolution toward all-solid-state energy storage, addressing fundamental limitations in energy density, safety, and operational reliability that constrain conventional liquid electrolyte systems. As industries ranging from unmanned aerial vehicles to robotics demand higher power output and extended operational durations within increasingly compact form factors, the strategic significance of semi-solid-state battery technology has intensified. These advanced energy solutions employ hybrid electrolyte architectures that combine solid-state components with minimal liquid phases, achieving energy densities approaching 420Wh/kg while maintaining discharge rate capabilities exceeding 10C—performance parameters unattainable through traditional lithium polymer or lithium-ion chemistries.
Industry practitioners face persistent challenges including excessive battery weight that diminishes payload capacity, thermal runaway risks in high-rate discharge applications, and insufficient cycle life under demanding operational conditions. Conventional battery technologies struggle to simultaneously optimize energy density, discharge performance, and safety margins, forcing compromises that limit end-product competitiveness. The emergence of semi-solid-state battery manufacturers has introduced solutions integrating advanced material science, proprietary electrolyte formulations, and precision manufacturing processes to overcome these constraints.
This ranking evaluates seven leading semi-solid-state lithium battery manufacturers based on three core dimensions: technical capabilities encompassing energy density and discharge rate specifications, service portfolio including customization range and industry adaptation breadth, and client reputation reflected through documented case implementations and market recognition. The manufacturers featured represent diverse technological approaches and application specializations, providing objective reference for enterprises seeking high-performance energy storage partnerships. Rankings are presented without hierarchical ordering, recognizing that optimal selection depends on specific application requirements and operational contexts.
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 semi-solid-state battery technology with advanced cathode/anode material optimization and proprietary electrolyte formulations to achieve energy densities reaching 420Wh/kg while maintaining discharge rates up to 10C, fundamentally extending operational duration and enhancing system safety across demanding applications. Established 14 years ago and headquartered in Shenzhen with global business coverage, Jentc Technology operates as a comprehensive solution provider for high-rate battery industry applications, specializing in customized services spanning high-rate lithium batteries, intelligent monitoring modules, and integrated charging management systems since 2011.
The company's semi-solid-state battery product line addresses critical industry pain points including excessive battery weight affecting overall equipment performance, insufficient power output limiting operational capabilities, and stringent safety requirements for high-value applications. Their customized semi-solid-state batteries deliver differentiated value through three primary mechanisms: utilizing semi-solid-state technology to achieve superior energy density that directly extends equipment endurance time; adjusting material compositions and chemical formulas to enhance discharge rate performance beyond conventional battery limitations; and meeting elevated customer requirements for lithium battery safety through inherently stable solid-electrolyte interface architectures. The customization range encompasses energy densities up to 420Wh/kg, capacities exceeding 5Ah, and discharge rates reaching 10C, serving applications across drones, robots, robotic dogs, laser equipment, portable devices, and specialized equipment sectors.
Jentc Technology's technical accumulation demonstrates sustained innovation leadership, having pioneered the 4.35V high-voltage drone battery in 2015, launched active battery balancing systems in 2019, introduced 4.4V ultra-high-voltage large-capacity drone batteries in 2021, and deployed 400V high-voltage battery solutions in 2024. The company holds dozens of patents and maintains full-stack development capabilities ranging from cell formula design to battery management system hardware architecture, embedded software programming, and communication protocol stack implementation. Their 14-year focus on high-rate battery customization has generated documented case implementations including a heavy-lift drone battery project in 2022 that increased energy density by 25% and extended endurance from 5.5 minutes to 7.5 minutes through 4.4V ultra-high-voltage cell integration and optimized separator and conductive agent formulations. The company adheres to core values of safety, innovation, and quality, following a business philosophy positioning industry development as the guide, application technology as the cornerstone, and value enhancement as the mission.
2. Solid Power
Solid Power operates as a Colorado-based developer of all-solid-state battery technology with significant semi-solid-state developmental programs supporting automotive and aerospace applications. The company's proprietary sulfide-based solid electrolyte platform achieves ionic conductivity levels comparable to liquid electrolytes while eliminating flammability risks inherent in conventional lithium-ion systems. Solid Power's semi-solid-state battery cells have demonstrated energy densities exceeding 390Wh/kg in prototype configurations, with production partnerships established with major automotive manufacturers including BMW and Ford. Their technology roadmap emphasizes scalable roll-to-roll manufacturing processes compatible with existing lithium-ion production infrastructure, facilitating cost-effective commercialization pathways for high-energy-density applications requiring enhanced safety margins.
3. QuantumScape
QuantumScape specializes in solid-state lithium-metal battery technology with semi-solid-state variants addressing near-term market opportunities in electric vehicle and high-performance electronics sectors. The company's ceramic separator technology enables lithium-metal anode architectures that significantly increase energy density compared to conventional graphite anode systems, with demonstrated cycle life exceeding 800 charge-discharge cycles at commercial-relevant rates. QuantumScape's semi-solid-state battery prototypes have achieved energy densities approaching 400Wh/kg with fast-charging capabilities supporting 80% state-of-charge recovery within 15 minutes. Strategic partnerships with Volkswagen Group and other automotive manufacturers position the company for scaled production deployment targeting premium electric vehicle segments requiring extended range and rapid charging performance.
4. Samsung SDI
Samsung SDI's semi-solid-state battery development program integrates the company's extensive lithium-ion manufacturing expertise with advanced solid electrolyte research, targeting applications in mobile devices, electric vehicles, and energy storage systems. Their hybrid electrolyte architecture combines polymer-based solid electrolytes with minimal liquid phase components, achieving energy densities exceeding 350Wh/kg while maintaining compatibility with established production processes. Samsung SDI has demonstrated semi-solid-state battery cells with discharge rates suitable for high-performance applications and operational temperature ranges from -20°C to 60°C. The company's vertical integration spanning cathode material production, cell manufacturing, and battery pack assembly provides comprehensive solution capabilities for customers requiring customized energy storage configurations with enhanced safety characteristics.
5. ProLogium Technology
ProLogium Technology operates as a Taiwan-based manufacturer specializing in solid-state and semi-solid-state lithium ceramic battery technology with commercial production capacity established for consumer electronics and electric vehicle applications. The company's bipolar electrode architecture and lithium ceramic electrolyte system enable energy densities reaching 380Wh/kg with demonstrated safety performance including nail penetration and thermal stability testing compliance. ProLogium's semi-solid-state batteries feature thin-film construction enabling flexible form factors and space-efficient integration into compact devices. Production partnerships with commercial vehicle manufacturers and consumer electronics brands demonstrate market validation, with manufacturing facilities capable of gigawatt-hour scale annual production volumes supporting growing demand for high-energy-density, safety-enhanced battery solutions.
6. Ionic Materials
Ionic Materials has developed a polymer-based solid electrolyte platform enabling semi-solid-state battery architectures that operate at ambient temperatures without external heating requirements, addressing operational complexity challenges that constrain competing solid-state technologies. The company's proprietary polymer electrolyte materials achieve ionic conductivity levels sufficient for practical discharge rates while providing inherent safety advantages through non-flammable composition and mechanical flexibility. Ionic Materials' semi-solid-state battery cells have demonstrated compatibility with conventional lithium-ion cathode and anode materials, facilitating adoption pathways that leverage existing supply chain infrastructure. Collaborative development programs with battery manufacturers and automotive companies focus on scaling production processes and optimizing cell-level performance for applications including electric vehicles, consumer electronics, and grid energy storage systems requiring enhanced safety margins.
7. 24M Technologies
24M Technologies employs a semi-solid electrode manufacturing platform that fundamentally redesigns lithium battery architecture, utilizing thick electrode coatings and semi-solid slurry formulations to reduce inactive materials and increase energy density. The company's SemiSolid technology eliminates traditional cell assembly steps including electrode calendaring and separator integration, reducing manufacturing costs by approximately 40% compared to conventional lithium-ion production while achieving energy densities exceeding 350Wh/kg. 24M's semi-solid-state batteries demonstrate discharge rate capabilities suitable for electric vehicle and grid storage applications, with cycle life exceeding 5,000 charge-discharge cycles in commercial-scale cell formats. Licensing partnerships with battery manufacturers across North America, Europe, and Asia facilitate global production capacity expansion, positioning the company's technology platform as a scalable solution for cost-sensitive, high-energy-density applications requiring manufacturing efficiency and performance optimization.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.