Key Findings: Gotion High-Tech Achieves Major Progress Towards Commercializing 400 Wh/kg “Jinshi” Solid-State Battery
Gotion High-Tech, a leading Chinese battery manufacturer, announced on September 30, 2026, that its developed “Jinshi” solid-state battery cell has reached significant milestones towards commercialization, achieving an energy density of 400 Wh/kg and targeting a cost of $150/kWh. This achievement improves the long-standing balance between energy density and cost for solid-state batteries, significantly accelerating their practical application in the electric vehicle (EV) market. The high level of safety, achieved through the use of a sulfide-based solid electrolyte, is a critical factor for enhancing EV reliability.
Technical and Manufacturing Details
- High Energy Density of 400 Wh/kg: The “Jinshi” solid-state battery achieves a gravimetric energy density of 400 Wh/kg, which is a significant improvement over currently dominant lithium-ion batteries. This high density allows for a substantial extension of EV driving range and contributes to smaller and lighter battery packs.
- Cost Target of $150/kWh: The cost target of $150/kWh suggests that solid-state batteries are approaching a price point competitive with existing lithium-ion batteries. Cost reduction is one of the most crucial factors for the widespread market adoption of solid-state batteries, and achieving this target will have a major impact on the entire industry.
- High Safety with Sulfide-Based Solid Electrolyte: The company reports exceptionally high safety using a sulfide-based solid electrolyte, with no smoke or flames observed during nail penetration tests and high-temperature tests (specific temperatures are not reported, but the absence of smoke/flame is emphasized). This significantly reduces the risk of thermal runaway compared to liquid electrolytes and contributes to preventing EV fires.
- 2 GWh Production Line Design Finalized: Gotion High-Tech had already finalized the design for a 2 GWh solid-state battery production line in March 2026. This indicates that concrete preparations for large-scale mass production are underway, not just technological development, reflecting a strong commitment to early market entry.
Background and Industry Context
Solid-state batteries have been anticipated as next-generation batteries that combine high energy density and superior safety. However, their manufacturing complexity, cost, and challenges like the air stability of sulfide-based solid electrolytes have hindered previous commercialization efforts. Gotion High-Tech’s announcement marks significant industry progress by overcoming these challenges and presenting concrete product performance and cost targets. The Chinese government has been focusing on solid-state battery development at a national level, with companies like Gotion playing a leading role.
Strategic Significance and Outlook
The commercialization of Gotion High-Tech’s “Jinshi” solid-state battery could bring about a major transformation in the electric vehicle industry. Specifically, the realization of high energy density, competitive cost, and unparalleled safety as a triple advantage will be a powerful driver for accelerating EV adoption. With a 2 GWh production line in operation, initial EV models and specific industrial applications are expected to see deployment. This success will further intensify competition in the global battery market and encourage similar technological innovations from other companies.
Source: https://battery-tech.net/battery-markets-news/gotion-solid-state-battery-targets/
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