iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
Solid-state batteries could enable EVs with longer range, faster charging, or more compact packs, but those outcomes are not yet established across production vehicles. The decisive test is whether manufacturers can make durable cells consistently, safely, quickly, and at a competitive cost—not whether a pilot cell performs well. Toyota’s public target is to launch battery-electric vehicles (BEVs) with all-solid-state batteries in 2027–28; that is a company target, not proof of mass production.
What makes a battery solid-state—and why manufacturing matters
A solid-state battery replaces the conventional liquid electrolyte with a solid electrolyte. The term describes a family of designs, not one chemistry or one factory process: Toyota’s program focuses on sulfide electrolytes, while QuantumScape describes its technology as solid-state lithium-metal cells.
Changing the electrolyte can affect cell packaging and performance, but it also changes how materials and interfaces must be manufactured and kept stable. Toyota President and CEO Koji Sato called durability “the biggest challenge.” In Toyota’s account, repeated charge and discharge can create cracks at interfaces between the cathode, anode, and solid electrolyte, degrading performance. Toyota and Idemitsu say they developed a flexible, adhesive, crack-resistant electrolyte material; this is company-reported progress, while durability in commercial cells remains to be established. Toyota and Idemitsu’s cooperation announcement
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
That is why the manufacturing contest is more than a race to announce a vehicle. Developers need compatible materials and reliable suppliers, repeatable production processes, consistent quality, adequate throughput and yield, and costs that can work at automotive scale. A pilot line can help develop processes and produce samples, but it is not the same as serial production for customer vehicles.
#1 Best Overall
- AGX Orin 64GB Development Kit makes it easy to get started with AGX Orin. Its compact size, rich interfaces, and AI performance of up to 275 TOPS make it ideal for building advanced AI robots and other autonomous machine prototypes.
- The development kit includes AGX Orin 64GB module and can emulate all Orin modules. It utilizes the Ampere GPU architecture, next-generation deep learning and vision accelerators, high-speed I/O, and fast memory bandwidth. You can leverage the largest and most complex AI models to develop solutions for problems such as natural language understanding, 3D perception, and multi-sensor fusion.
- Jetson runs AI software and provides application frameworks for specific use cases, such as Isaac for robotics, DeepStream for visual AI, and Riva for conversational AI. Using Omniverse Replicator for Synthetic Data Generation (SDG) can save you significant time; while fine-tuning pre-trained AI models from the NGC catalog using the TAO toolkit can further enhance your results.
- Yahboom offers four kits for users to choose from. The AIlarge model voice module utilizes examples of AI large models and multimodal models; it provides 1TB/2TB SSDs with pre-flashed driver image files; and an 8MP USB industrial camera for image processing.
- It offers various online and offline mainstream AI large model development materials. The system is pre-configured with AI vision examples, ROS case studies, and AI large models. It supports offline/online deployment of large models for voice interaction, real-time video analysis, and visual positioning, helping you quickly get started with localized AI agent development.
Where the announced programs stand
| Program | What the companies report | What the milestone does—and does not—show |
|---|---|---|
| Toyota and Idemitsu: sulfide electrolyte | The companies describe work on electrolyte development, pilot-facility preparation, pilot-scale manufacturing, and later study of full-scale production. | It is a staged scale-up plan. Full-scale production is a later step to be studied based on pilot results, not a confirmed factory outcome. Toyota’s announced BEV market-launch target is 2027–28. Toyota and Idemitsu |
| Toyota and Sumitomo Metal Mining: cathode material | The companies announced joint development aimed at mass-producing cathode materials for all-solid-state EV batteries. They describe their newly developed material as highly durable and say work on performance, quality, safety, and cost continues. | This addresses a material and scale-up challenge, not proof of completed mass production. Toyota also repeats its 2027–28 market-launch target. Toyota and Sumitomo Metal Mining |
| QuantumScape and PowerCo: cell pilot and industrialization | QuantumScape’s June 2026 Form 10-Q says its San Jose pilot line was installed in 2025, inaugurated in February 2026, and began initial capacity ramp-up. The line is intended for development, customer samples, process work, equipment decisions, and collaboration with PowerCo. | Initial ramp-up is pilot activity, not evidence of serial automotive production. The filing describes a pathway to develop, validate, demonstrate, and initially commercialize QSE-5-based cells with PowerCo, with technology transfer and a license subject to milestones. It gives no capacity figure in the cited passage. QuantumScape Form 10-Q for the quarter ended June 30, 2026 |
These programs target different parts of the manufacturing problem, so their milestones do not establish a comparable winner. Toyota’s separate METI-certified plan lists 9 GWh per year starting gradually from 2026 for a next-generation performance battery; that figure is not capacity for Toyota’s all-solid-state program. Toyota’s 2024 production-plan announcement
What is stopping solid-state batteries from mass production?
Durability across interfaces and cycles
Cells must retain performance through repeated charging and discharging. Toyota and Idemitsu identify interface cracking as a challenge, while Toyota and Sumitomo Metal Mining identify cathode-material degradation during cycling. Their announcements describe company-reported material progress, but do not provide a comparable, independently validated measure of commercial-cell lifetime.
Consistent quality, throughput, and safety
A process that works for a small number of cells may not produce large volumes with repeatable quality. QuantumScape’s filing identifies quality, consistency, reliability, throughput, and safety as requirements it still must improve to reach commercial targets. It also cautions that development may not be completed or milestones met on the required timeline.
Rank #2
- AGX Orin 64GB Development Kit makes it easy to get started with AGX Orin. Its compact size, rich interfaces, and AI performance of up to 275 TOPS make it ideal for building advanced AI robots and other autonomous machine prototypes.
- The development kit includes AGX Orin 64GB module and can emulate all Orin modules. It utilizes the Ampere GPU architecture, next-generation deep learning and vision accelerators, high-speed I/O, and fast memory bandwidth. You can leverage the largest and most complex AI models to develop solutions for problems such as natural language understanding, 3D perception, and multi-sensor fusion.
- Jetson runs AI software and provides application frameworks for specific use cases, such as Isaac for robotics, DeepStream for visual AI, and Riva for conversational AI. Using Omniverse Replicator for Synthetic Data Generation (SDG) can save you significant time; while fine-tuning pre-trained AI models from the NGC catalog using the TAO toolkit can further enhance your results.
- Yahboom offers four kits for users to choose from. The AIlarge model voice module utilizes examples of AI large models and multimodal models; it provides 1TB/2TB SSDs with pre-flashed driver image files; and an 8MP USB industrial camera for image processing.
- It offers various online and offline mainstream AI large model development materials. The system is pre-configured with AI vision examples, ROS case studies, and AI large models. It supports offline/online deployment of large models for voice interaction, real-time video analysis, and visual positioning, helping you quickly get started with localized AI agent development.
Cost and material supply
Factories need materials that can be procured reliably and processed at costs that support competitive vehicles. Toyota and Idemitsu explicitly identify quality, cost, raw-material procurement, and mass-production verification as remaining work. A technically successful cell is not automatically an affordable battery pack.
Transferring a pilot process to industrial production
Pilot output is useful for learning, process development, and customer sampling; it does not demonstrate that equipment, yields, or production rates are ready for a high-volume vehicle program. QuantumScape’s filing describes a possible PowerCo technology-transfer pathway tied to milestones, rather than a completed transfer or confirmed mass-production schedule.
What could change for EV drivers—and what remains uncertain
Toyota and Sumitomo Metal Mining say all-solid-state batteries have potential for smaller size, higher output, longer life, longer driving range, and shorter charging times. An engineering review likewise discusses possible safety, charging, and range benefits while warning that both chemistry and mass manufacturing remain difficult. These are potential benefits, not outcomes established for every solid-state cell or production EV. Toyota and Sumitomo Metal Mining; Engineering review (2024)
Rank #3
- SEMI-SOLID-STATE SAFETY, BUILT FOR TRAVEL: Semi-solid-state cells contain far less flammable liquid electrolyte than ordinary lithium-ion, helping reduce fire risk at the cell level, while the aluminum housing helps dissipate heat. Built-in safeguards cover overcharge, over-discharge, overcurrent and short circuits, and under 100Wh it's airline carry-on ready.
- ULTRA-SLIM 5,000MAH EVERYDAY TOP-UP: Sized for real life, not spec sheets — the 5,000mAh cell gives a modern iPhone a strong boost toward a full charge, varying by phone, usage and wired vs. wireless. The dense semi-solid-state design keeps it slim enough to slip into a pocket or carry-on: the travel charger you bring when a light pack beats a heavy brick.
- QI2-CERTIFIED 15W MAGNETIC CHARGING: A strong, precisely aligned magnet snaps onto iPhone 17, 16, 15, 14, 13 and 12 and stays locked while you scroll, text or walk — no slipping, no repositioning. As a Qi2-certified, MagSafe-compatible charger, it holds far more securely than loose, generic wireless pads, so you can keep using your phone as it charges.
- FULL-COLOR LCD DISPLAY: A crisp color screen shows exact battery percentage plus live input and output wattage in real time — no blinking lights to decode. You see precisely how much power is left and how fast you're charging at a glance, which makes it easy to plan top-ups whether you're commuting, at an event or on a long travel day.
- USB-C IN & OUT + BUILT-IN CABLE LANYARD: The USB-C port charges your phone faster over a cable and recharges the 5K itself quickly, so it's ready for the next day, and it also powers earbuds and other accessories. The built-in lanyard doubles as a USB-C cable, so a charging cord is always attached — nothing extra to pack or lose.
“Solid-state” by itself does not guarantee a lower fire risk, faster charging, longer life, lower cost, or a particular range. Those depend on the specific cell design, materials, manufacturing quality, and how a vehicle uses the battery. QuantumScape announced a joint research agreement with Honda R&D in June 2026; the announcement describes research and development, not a production contract or a vehicle launch commitment. QuantumScape’s Honda R&D announcement
When will solid-state batteries be available in EVs?
Toyota’s announced target is a market launch of BEVs with all-solid-state batteries in 2027–28, a target it first announced in 2023 and repeated later. It does not confirm that mass production will begin then, how many vehicles will be made, or when the technology would become broadly available. The Toyota–Idemitsu plan places full-scale production study after pilot-scale work, based on those pilot results.
QuantumScape’s San Jose line began initial ramp-up in February 2026, according to its filing, but the cited passage does not give a production capacity or a consumer-vehicle launch date. The Honda R&D agreement is likewise not a launch commitment. Dates should therefore be read as company plans or reported development milestones, not guaranteed showroom availability.
Rank #4
- AGX Orin 64GB Development Kit makes it easy to get started with AGX Orin. Its compact size, rich interfaces, and AI performance of up to 275 TOPS make it ideal for building advanced AI robots and other autonomous machine prototypes.
- The development kit includes AGX Orin 64GB module and can emulate all Orin modules. It utilizes the Ampere GPU architecture, next-generation deep learning and vision accelerators, high-speed I/O, and fast memory bandwidth. You can leverage the largest and most complex AI models to develop solutions for problems such as natural language understanding, 3D perception, and multi-sensor fusion.
- Jetson runs AI software and provides application frameworks for specific use cases, such as Isaac for robotics, DeepStream for visual AI, and Riva for conversational AI. Using Omniverse Replicator for Synthetic Data Generation (SDG) can save you significant time; while fine-tuning pre-trained AI models from the NGC catalog using the TAO toolkit can further enhance your results.
- Yahboom offers four kits for users to choose from. The AIlarge model voice module utilizes examples of AI large models and multimodal models; it provides 1TB/2TB SSDs with pre-flashed driver image files; and an 8MP USB industrial camera for image processing.
- It offers various online and offline mainstream AI large model development materials. The system is pre-configured with AI vision examples, ROS case studies, and AI large models. It supports offline/online deployment of large models for voice interaction, real-time video analysis, and visual positioning, helping you quickly get started with localized AI agent development.
How to judge claims about the manufacturing race
When a company announces progress, identify what kind of evidence the milestone represents before comparing it with another program:
- Stage: Is it a laboratory result, pilot output, automotive sample validation, industrialization work, or serial vehicle production?
- Materials: Which electrolyte and electrode materials are involved, and are their supply and compatibility addressed?
- Durability: Is there evidence about cycling, interface stability, lifetime, and performance retention?
- Factory readiness: Are quality consistency, yield, throughput, safety, equipment, and repeatability demonstrated?
- Economics: Are cell and material costs, factory investment, and the scale needed to compete disclosed?
- Claim type: Is a number independently demonstrated, reported by a company, an announced target, or a forward-looking expectation?
The reviewed sources do not supply a comparable, independently validated dataset for cost per kilowatt-hour, energy density, cycle life, yield, throughput, or commercial output across the developers discussed. A league table based on unlike company statements would imply precision the available evidence does not support.
Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
