发明名称 |
Power storage device |
摘要 |
An embodiment of the present invention relates to a power storage device which includes a positive electrode having a positive-electrode current collector with a plurality of first projections, a first insulator provided over each of the plurality of first projections, and a positive-electrode active material provided on a surface of the first insulator and the positive-electrode current collector with the plurality of first projections; a negative electrode having a negative-electrode current collector with a plurality of second projections, a second insulator provided over each of the plurality of second projections, and a negative-electrode active material provided on a surface of the second insulator and the negative-electrode current collector with the plurality of second projections; a separator provided between the positive electrode and the negative electrode; and an electrolyte provided in a space between the positive electrode and the negative electrode and containing carrier ions. |
申请公布号 |
US8927156(B2) |
申请公布日期 |
2015.01.06 |
申请号 |
US201012699085 |
申请日期 |
2010.02.03 |
申请人 |
Semiconductor Energy Laboratory Co., Ltd. |
发明人 |
Yamazaki Shunpei;Izumi Konami |
分类号 |
H01M2/16;H01M6/16;H01M10/052;H01M4/13;H01M4/139;H01M4/66;H01M4/70;H01M10/0569;H01G11/52;H01G11/70 |
主分类号 |
H01M2/16 |
代理机构 |
Fish & Richardson P.C. |
代理人 |
Fish & Richardson P.C. |
主权项 |
1. A power storage device comprising:
a positive electrode including:
a positive-electrode current collector with a plurality of first projections;a first insulator provided on each of the plurality of first projections; anda positive-electrode active material provided on the first insulator and the positive-electrode current collector; a negative electrode including:
a negative-electrode current collector with a plurality of second projections;a second insulator provided on each of the plurality of second projections; anda negative-electrode active material provided on the second insulator and the negative-electrode current collector; a separator provided between and in contact with the positive electrode and the negative electrode; and an electrolyte provided in a first space between the positive electrode and the separator, and a second space between the negative electrode and the separator, wherein the electrolyte contains carrier ions, wherein a width of the first insulator is larger than a width of each of the plurality of first projections, and wherein each of the first insulator and the second insulator has a curved upper surface and a flat bottom surface. |
地址 |
Atsugi-shi, Kanagawa-ken JP |