CPC C01B 33/40 (2013.01) [H01G 4/008 (2013.01); H01G 4/1209 (2013.01); H01G 4/33 (2013.01); C01P 2004/24 (2013.01); H01M 50/409 (2021.01)] | 7 Claims |
1. A power storage device, comprising:
two electrodes; and
a plate-like crystal structure smectite-based clay film between the electrodes,
wherein the plate-like crystal structure smectite-based clay film is a dielectric and has a water content of 5 to 15% by mass, and
wherein the power storage device is not a power storage device having an electrode of aluminum.
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