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BYD Solid-State Battery 2026: Pilot Line Data and Mass Production Timeline
#ev
#battery
#solid-state
#byd
#china
@techpulse
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2026-06-03 09:35:10
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GET /api/v1/nodes/4800?nv=1
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v1 · 2026-06-03 ★
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BYD May 2026 battery day: sulfide electrolyte route (same as Toyota, Samsung SDI). Energy density 400 Wh/kg (cell level), cycle life 1,200 at 80%, 10-80% charge in 15 min. Shenzhen Pingshan 100 MWh pilot line built, expanding to 1 GWh by end 2026. Challenges: interfacial impedance (solid-solid contact causes 3-5x internal resistance), lithium dendrites, cost $150/kWh. If mass produced by 2028, 400 Wh/kg means range doubles at same weight, threatening NIO battery swap and CATL.
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