JP2008041523A5 - - Google Patents

Claims (4)

In a battery in which a positive electrode current collector, a positive electrode side cell having an electrolyte solution, a substantially bellows-shaped separator, a negative electrode side cell having an electrolyte solution, and a negative electrode current collector are arranged in this order,
In the positive electrode side cell, a substantially bellows-shaped non-woven fabric containing a positive electrode active material in contact with the separator and a substantially bellows-shaped molded body containing a positive electrode active material in contact with the non-woven fabric are arranged in this order,
A substantially bellows-like nonwoven fabric containing a negative electrode active material in contact with the separator and a substantially bellows-like molded body containing a negative electrode active material in contact with the nonwoven fabric are arranged in this order in the negative electrode side cell. battery. A substantially bellows-like nonwoven fabric containing a positive electrode active material, wherein one side of the substantially bellows-like molded body containing the positive electrode active material and one side of the substantially bellows-like nonwoven fabric containing the positive electrode active material are in full contact with each other. And the other side of the substantially bellows-like separator is entirely in contact with the other side of the substantially bellows-like separator and one side of the substantially bellows-like nonwoven fabric containing the negative electrode active material. The other side of the substantially bellows-like non-woven fabric containing the negative electrode active material is in contact with the other side of the substantially bellows-like formed body containing the negative electrode active material, so that the first side contains the positive electrode active material. A substantially bellows-like non-woven fabric containing a bellows-shaped molded body and a positive electrode active material, a substantially bellows-like non-woven fabric containing a positive electrode active material and a substantially bellows-like separator, and a substantially bellows containing a bellows-like separator and a negative electrode active material -Like nonwoven fabric, substantially bellows-like nonwoven fabric containing negative electrode active material and negative electrode active material Cell according to claim 1, wherein a substantially bellows-shaped body containing the quality, respectively, characterized in that is in contact with a substantially bellows-like reaction interface. The other side of the substantially bellows-shaped molded body containing the positive electrode active material is partially in contact with the positive electrode current collector, and the other side of the substantially bellows-shaped molded body containing the negative electrode active material is part of the negative electrode current collector. The battery according to claim 1, wherein the batteries are in contact with each other . Substantially bellows-like molded body containing a positive electrode active material composed of nickel foam, according to claim 1, 2 or 3 substantially bellows-shaped body containing a negative electrode active material is characterized in that it consists of nickel foam or perforated metal The battery described.