"The results show that not only can the Finnish startup's solid-state battery still discharge energy under conditions of up to 100 degrees Celsius (212 degrees Fahrenheit), it actually gains capacity. The group tested the 3.6V/26 Amp-hour solid-state battery under three different temperatures: 20C for a baseline at room temperature; "high heat" at 80C; and "extreme heat" at 100C."
"At room temperature, the cell delivered 24.9Ah, which served as the benchmark for the other tests. At 80C, the performance actually improved, delivering 27.5Ah, or about 110.5 percent of its room-temperature capacity. And at 100C, the cell delivered 27.6Ah, or 107.1 percent of its room-temp performance."
Donut Lab, a Finnish startup, demonstrated that its solid-state battery performs exceptionally well under extreme heat conditions. Testing conducted by VTT Technical Research Centre of Finland evaluated a 3.6V/26 Amp-hour solid-state battery at three temperature levels: 20°C baseline, 80°C high heat, and 100°C extreme heat. At room temperature, the battery delivered 24.9Ah. At 80°C, performance improved to 27.5Ah (110.5% of baseline capacity). At 100°C, the battery delivered 27.6Ah (107.1% of baseline capacity). This represents a significant advantage over traditional lithium-ion batteries, which typically experience capacity loss and degradation when exposed to high temperatures.
Read at The Verge
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