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Batteries

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VTT Finds Donut Lab Battery Keeps 97.7% Charge Over 10 Days

A 10-day idle test by Finland's VTT supports battery-like behavior over supercapacitor-like discharge.

Nature Study Reports 700 Wh/kg Lithium-Metal Cell as Chinese Automakers Announce Near-Term Solid-State Rollouts

HKUST COF Electrolyte Pushes Calcium-Ion Battery to 1,000-Cycle Lab Performance

UCLA-Led Team Reimagines Nickel–Iron Battery With Seconds-Long Recharge and 12,000-Cycle Longevity

Tohoku Team Builds Mg4C60, a Covalently Bridged Fullerene Anode Enabling Stable Lithium Storage

Samsung SDI Clinches $1.36 Billion U.S. Storage Deal for LFP Batteries

Tesla Recalls 10,500 Powerwall 2 Home Batteries Over Fire Risk

Tesla Recalls 10,500 Powerwall 2 Home Batteries in U.S. Over Fire Risk

Keeping Water in Cathode Boosts Sodium-Ion Batteries, Enabling Desalination in Salt Water

Vitamin B2–Glucose Flow Battery Shows Promising Power, Reveals Stability Hurdles

Toyota Locks Cathode Supply as Chinese Team Unveils Self-Healing Solid-State Interface

MIT’s CIET Model Recasts Lithium Intercalation, Guiding Faster-Charging Battery Design

Tesla Recalls Powerwall 2 in Australia Over Battery Fire Risk

Tesla Launches Megapack 3 and Megablock to Speed Utility-Scale Battery Projects

Tohoku University Develops Water-Soluble Redox Polymer for Recyclable Aqueous Batteries

Tianjin University Unveils 604 Wh/kg Lithium‑Metal Pouch Cell in Nature Study

Panasonic Energy Posts 47% Profit Gain as AI Storage Demand Offsets U.S. Tariffs

Flame-Retardant Polymers Enable Fire-Safe Lithium Metal Batteries and Guide Next Production Steps

MoS₂ Thin Films Boost Anode-Free Solid-State Battery Lifespan Sevenfold

Researchers Achieve Record Lithium-Ion Conductivity with Novel Solid-State Material