China’s 2026 EV Battery Roadmap in One View: CATL, BYD, WeLion, Gotion and SVOLT Each Stake a Different Chemistry as the Pack Becomes the Platform

The Chinese EV battery industry has consolidated through 2026 around five dominant suppliers — CATL, BYD, WeLion, Gotion High-Tech and SVOLT Energy — which together now account for over 70 percent of global EV battery shipments. Each is pursuing a different chemistry bet, and the choices being locked in now will shape every Chinese EV launching between 2026 and 2028.

CATL and BYD: The Two Anchors

CATL runs the broadest portfolio. The flagship Qilin NMC pack ships in the Zeekr 001, XPeng G9 and NIO ET7 at 255 Wh/kg cell-level density. The Shenxing LFP pack, now in its second generation, supports 4C charging on the BYD Han L 2026 update and the Wuling Cloud, with a 10-to-80-percent charge in 10 minutes on dedicated stations. CATL also supplies the Stellantis-Leapmotor JV in Zaragoza and is in early production for Tesla 4680 packs at its Sokolov, Czech Republic plant. BYD’s vertically-integrated bet is the Blade architecture — an LFP cell-to-pack design optimized for pack-level density and thermal stability. The second-generation Blade now ships in the Denza N8L Flash Edition, the new Tang EV and the upcoming Seal 08 at 210 Wh/kg cell-level, underwriting the 9-minute 10-to-97-percent fast charge on BYD’s dedicated network. BYD’s 2027 megawatt roadmap targets a 5-minute 10-to-80-percent charge on a third-generation Blade.

WeLion, Gotion and SVOLT: The Differentiated Bets

WeLion New Energy, spun out of the Chinese Academy of Sciences and backed by CATL and NIO, is the only Chinese supplier shipping a semi-solid-state pack at series-production volume in 2026. The 150 kWh WeLion pack ships in the NIO ET7 and ET5 Champion Edition (via Battery-as-a-Service swap) at 360 Wh/kg — about 40 percent higher than CATL’s Qilin NMC. WeLion’s full solid-state roadmap targets pilot-line in 2027 and series-production in 2028 above 400 Wh/kg. Gotion High-Tech, the number-two LFP supplier behind BYD, has pivoted to LMFP chemistry — a 15-20 percent energy-density lift over conventional LFP while preserving the cost-and-safety profile. Gotion LMFP packs ship in the Geely Galaxy E5, the Aion V Plus and several VW-China PHEVs, with a 30 GWh Slovakia plant and a 20 GWh California plant under construction. SVOLT, spun out of Great Wall Motors, holds a niche on cobalt-free NMx chemistry currently shipping in the Wuling Hongguang Mini EV and Great Wall Wey Lan Shan.

What the Five Strategies Add Up To

The portfolio in aggregate gives Chinese OEMs a pack-chemistry option for every price point: cobalt-free NMx for sub-RMB 100,000 city cars, LFP-Blade and LMFP for the mainstream, NMC Qilin for premium, and WeLion semi-solid for ultra-long-range halo cars. The pack is now the platform. For the full per-supplier cell-density table, plant-and-export map, OEM customer list and 2027-2028 solid-state pilot-production timeline, see iEVChina’s full 2026 China EV battery roadmap analysis.

Source: official disclosure / iEVChina analysis