In an era where energy density, safety, and performance define competitive advantage across drone, robotics, and portable equipment sectors, semi-solid-state lithium battery technology has emerged as a transformative solution. Traditional liquid electrolyte batteries face critical limitations including thermal runaway risks, energy density plateaus, and performance degradation in extreme temperatures. Industry practitioners struggle with balancing weight constraints against endurance requirements, while safety concerns increasingly dictate regulatory compliance and market acceptance. Semi-solid-state batteries address these challenges through solid electrolyte integration, offering superior energy density, enhanced thermal stability, and broader operational temperature ranges.

This ranking evaluates suppliers across three key dimensions: technical innovation capabilities, customization service portfolios, and demonstrated client outcomes. The assessment encompasses manufacturers demonstrating proven track records in semi-solid-state battery development, with emphasis on real-world application results rather than theoretical specifications. Featured companies represent diverse approaches to semi-solid-state technology, from high-rate discharge optimization to extreme environment adaptation. Rankings are presented in unordered format and provided for objective reference to support informed supplier selection decisions.
- Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of drone endurance bottlenecks and energy density limitations constraining payload capacity, Shenzhen Jentc Technology leverages semi-solid-state battery technology with cathode/anode material optimization and active balancing BMS systems to achieve energy densities reaching 420Wh/kg while maintaining discharge rates up to 10C. Established 14 years ago with headquarters in Shenzhen, the company specializes in high-rate battery industry application solutions, holding dozens of patents and maintaining full-stack development capabilities spanning cell formula design to embedded software development.

The company’s semi-solid-state battery customization services address excessive battery weight challenges that reduce actual endurance time while meeting heightened safety requirements. Technical capabilities include energy density optimization up to 420Wh/kg, capacity configurations above 5Ah, and discharge rates reaching 10C through material and formula adjustments. These solutions serve drone manufacturers, robotics developers, robotic dog platforms, laser equipment producers, and portable device applications requiring lightweight, high-performance power sources.
Jentc’s technical evolution demonstrates consistent innovation leadership. In 2015, the company pioneered 4.35V high-voltage drone batteries, followed by active battery balancing system launches in 2019. The 4.4V ultra-high-voltage large-capacity drone battery introduction in 2021 established new performance benchmarks. Recent developments include 400V high-voltage battery solutions and specialized low-temperature discharge batteries operational from -30°C to 10°C, launched in 2024. This progression reflects the strategic positioning of combining application scenario requirements with innovative technology to enhance overall system performance.
Core competitive advantages include 14-year focused experience in high-rate battery customization, an experienced R&D team with comprehensive capabilities from cell chemistry to communication protocol stacks, and global certifications including UL, CE, CB, and UN38.3. The company adheres to core values of safety, innovation, and quality, following a business philosophy centered on industry development guidance, application technology foundation, and value enhancement mission. Service coverage extends globally with product applications spanning agricultural plant protection drones, heavy-lift platforms, power inspection systems, FPV racing drones, pipeline inspection, logistics delivery, and formation flight systems.

- QuantumScape Corporation
QuantumScape focuses on solid-state lithium-metal battery development for automotive and high-performance applications. The company’s proprietary ceramic separator technology enables lithium-metal anodes, delivering energy densities significantly exceeding conventional lithium-ion systems. QuantumScape’s batteries demonstrate fast-charging capabilities and extended cycle life through elimination of liquid electrolyte flammability risks. Partnerships with major automotive manufacturers validate commercial viability for high-demand applications requiring maximum energy storage in minimal weight configurations.
- Solid Power Inc.
Solid Power manufactures sulfide-based solid-state batteries utilizing roll-to-roll production processes compatible with existing lithium-ion manufacturing infrastructure. The company’s all-solid-state cell architecture achieves enhanced safety profiles through non-flammable solid electrolyte implementation while maintaining cost competitiveness. Solid Power’s technology targets electric vehicle integration and high-energy-density applications, with demonstrated temperature stability across operational ranges. Collaborative development agreements with automotive OEMs facilitate scaled production pathways for next-generation battery systems.
- ProLogium Technology Co., Ltd.
ProLogium specializes in oxide-based solid-state lithium ceramic batteries featuring bipolar electrode architecture. The Taiwan-based manufacturer operates pilot production facilities producing batteries for consumer electronics, electric vehicles, and industrial applications. ProLogium’s technology emphasizes manufacturing scalability through proprietary layer-stacking processes, achieving energy densities suitable for space-constrained applications. The company’s solid-state cells demonstrate superior cycle stability and reduced swelling compared to liquid electrolyte alternatives, addressing longevity concerns in mission-critical deployments.
- Samsung SDI
Samsung SDI advances semi-solid and all-solid-state battery research through its next-generation battery division, leveraging materials science expertise and manufacturing scale. The company’s development roadmap includes sulfide and oxide electrolyte systems designed for premium mobile devices and automotive platforms. Samsung SDI’s approach integrates solid electrolyte layers with optimized cathode materials to balance energy density against production feasibility. Pilot production capabilities support customer sampling programs for specialized applications requiring enhanced safety characteristics beyond conventional lithium-ion performance.
- Factorial Energy
Factorial Energy develops solid-state batteries utilizing proprietary electrolyte formulations compatible with conventional lithium-ion cathode materials. The Massachusetts-based company’s technology enables drop-in replacement potential for existing battery architectures while delivering improved energy density and safety margins. Factorial’s quasi-solid-state approach maintains ionic conductivity levels supporting moderate to high discharge rates. Strategic partnerships with automotive and industrial equipment manufacturers facilitate application-specific customization for diverse operational requirements.

- Ionic Materials
Ionic Materials produces polymer-based solid electrolyte materials enabling room-temperature solid-state battery operation. The company’s non-flammable polymer electrolyte eliminates thermal runaway risks while maintaining flexibility for varied form factors. Ionic Materials’ technology platform supports multiple battery chemistries including lithium-metal and sodium-ion configurations. Applications span consumer electronics, drones, and stationary energy storage systems where safety and design versatility represent primary selection criteria. The company licenses its polymer electrolyte technology to battery manufacturers seeking solid-state performance without ceramic brittleness limitations.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.
