US 9,812,745 B2
Power storage device
Masaaki Hiroki, Kanagawa (JP); Minoru Takahashi, Nagano (JP); and Junpei Momo, Kanagawa (JP)
Assigned to Semiconductor Energy Laboratory Co., LTD., Kanagawa-ken (JP)
Filed by SEMICONDUCTOR ENERGY LABORATORY CO., LTD., Atsugi-shi, Kanagawa-ken (JP)
Filed on Dec. 16, 2013, as Appl. No. 14/107,174.
Claims priority of application No. 2012-287543 (JP), filed on Dec. 28, 2012.
Prior Publication US 2014/0186663 A1, Jul. 3, 2014
Int. Cl. H01M 10/52 (2006.01); H01M 2/02 (2006.01); H01M 2/12 (2006.01); H01M 10/0525 (2010.01); H01M 2/16 (2006.01)
CPC H01M 10/52 (2013.01) [H01M 2/0277 (2013.01); H01M 2/0285 (2013.01); H01M 2/0292 (2013.01); H01M 2/1264 (2013.01); H01M 2/1653 (2013.01); H01M 2/1666 (2013.01); H01M 10/0525 (2013.01); H01M 2/1613 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A power storage device comprising:
an exterior material;
a positive electrode;
a negative electrode facing the positive electrode;
an electrolyte solution between the positive electrode and the negative electrode; and
an adsorbent,
wherein the positive electrode, the negative electrode, the electrolyte solution, and the adsorbent are provided inside the exterior material,
wherein a separation body is provided between the electrolyte solution and the adsorbent,
wherein the separation body is impermeable to the electrolyte solution and permeable to a gas, and
wherein an entire surface of the adsorbent is coated with the separation body.