Chinese Battery Giants Achieve Major Solid-State Battery Milestones in July 2026: CATL Reports 420Wh/kg, Farasis 500Wh/kg, Gotion Initiates 20,000-Ton Li2S Production

August 2, 2026

metal.com China

Overview

In July 2026, leading Chinese battery manufacturers reported significant advancements in solid-state and semi-solid-state battery technologies. CATL announced 420Wh/kg and Farasis 500Wh/kg high-energy-density cells, while SVOLT and Gotion are progressing with semi-solid battery mass production. Ampace completed full commissioning of a 2 GWh cell and pack production line, and Gotion launched a 20,000-ton lithium sulfide project, critical for solid electrolytes. These developments accelerate the commercialization of next-generation batteries and solidify China’s leadership in the global market.

In Depth

Key Findings

In July 2026, several major Chinese battery manufacturers reported remarkable progress in solid-state and semi-solid-state battery technologies. Notably, CATL announced an impressive energy density of 420Wh/kg, and Farasis reported an even higher 500Wh/kg, significantly pushing the performance benchmarks for next-generation batteries. SVOLT and Gotion are actively advancing the mass production of semi-solid batteries. Further solidifying this momentum, Ampace completed the full commissioning of its 2 GWh cell and pack production lines, while Gotion initiated a large-scale 20,000-ton lithium sulfide project, a critical component for solid electrolytes. These concurrent achievements highlight the accelerating commercialization efforts within China’s battery industry for advanced energy storage.

Technical and Business Details

Solid-state batteries are anticipated to offer superior safety, higher energy density, and longer lifespans compared to conventional lithium-ion batteries that utilize liquid electrolytes. The reported energy densities of 420Wh/kg by CATL and 500Wh/kg by Farasis represent a substantial leap, potentially extending EV ranges significantly—roughly 1.5 to 2 times that of current cutting-edge Li-ion batteries. These technological advancements aim to improve the trade-off between battery capacity and weight, striving for a balance of performance and cost efficiency, particularly critical for the EV market.

Semi-solid-state batteries serve as an important transitional technology, offering enhanced safety and higher density solutions on the path to full solid-state. SVOLT and Gotion’s progress in mass production indicates that these technologies are nearing widespread market deployment. Ampace’s 2 GWh production line commissioning signifies the establishment of substantial manufacturing capacity. Gotion’s 20,000-ton lithium sulfide project is a strategic move to secure the supply chain for solid electrolytes, contributing to cost reduction and supply stability. Lithium sulfide is a key material for all-solid-state sulfide-based batteries, making its large-scale production indispensable for future commercialization.

Background and Industry Context

The global shift towards electric vehicles and the accelerating adoption of renewable energy sources have made battery technology innovation a cornerstone of national and regional competitiveness. China, supported by robust government policies and a colossal domestic market, leads the world in battery technology development and production capacity expansion. Solid-state batteries are considered the ultimate form of next-generation power storage, and the global race to develop them is intensifying. These recent advancements by Chinese firms suggest they are gaining a significant edge in this critical competition.

Strategic Significance and Outlook

These breakthroughs suggest that the commercialization of solid-state batteries may progress at a faster pace than previously anticipated. The combination of higher energy density and established mass production techniques will have a profound impact not only on the EV market but also on a wide range of applications including drones, mobile devices, and large-scale energy storage systems (ESS) for power grids. Policy standardization will further establish safety and performance evaluation frameworks, promoting broader market acceptance. As Chinese battery manufacturers continue to invest in R&D and production expansion, solid-state batteries are increasingly likely to become a mainstream reality in the coming years, redefining the future of energy storage.

Source: https://news.metal.com/en/newscontent/104034082-solid-state-battery-july-2026-policy-standardization-+-hundred-ton-level-production-lines-+-semi-solid-batteries

Get our weekly technology intelligence — free

Receive an infographic that lets you judge at a glance whether each field’s analysis report is worth reading.

Subscribe Free — Weekly Tech Intelligence

By subscribing, you’ll receive Troy-Technical’s weekly technology intelligence newsletter.