JP2010287517A5

JP2010287517A5 -

Info

Publication number: JP2010287517A5
Application number: JP2009141760A
Authority: JP
Filing date: 2009-06-15
Publication date: 2012-06-28
Anticipated expiration: 2029-06-15

Description

また、本発明に係る電池においては、巻芯は、最内周に位置する正極又は負極の何れかと別体とすることができる。
また、本発明に係る電池においては、正極は、電極集電体の表面両面に電極活物質が塗工され、負極は、電極集電体の表面両面に電極活物質が塗工され、巻芯は、導電性を有する基材から構成されると共に、外表面に電極活物質が塗工され、極性が巻芯と同じ正極又は負極の何れかと電気的に接続される構成を採用することができる。 In the battery according to the present invention, the winding core can be separated from either the positive electrode or the negative electrode located on the innermost periphery.
In the battery according to the present invention, the positive electrode is coated with an electrode active material on both surfaces of the electrode current collector, and the negative electrode is coated with an electrode active material on both surfaces of the electrode current collector. Is composed of a base material having conductivity, and an electrode active material is coated on the outer surface, and a configuration in which the polarity is electrically connected to either the positive electrode or the negative electrode that is the same as that of the winding core can be adopted. .

Claims

In the winding type battery including the power generation element wound around the winding core, the positive electrode and the negative electrode each having the electrode active material supported on the surface of the electrode current collector, with the separator interposed therebetween, An electrode active material having a polarity different from that of either the positive electrode or the negative electrode located on the electrode is carried on the outer surface of the core composed of a conductive base material, and wound with either the positive electrode or the negative electrode located on the innermost circumference. A battery having a separator interposed between an outer surface of a core and a positive or negative electrode having the same polarity as that of the core, and the core being electrically connected.

The battery according to claim 1, wherein the core is a separate body from either the positive electrode or the negative electrode located on the innermost periphery.

The positive electrode is coated with an electrode active material on both surfaces of the electrode current collector, the negative electrode is coated with an electrode active material on both surfaces of the electrode current collector, and the winding core is composed of a conductive substrate. 3. The battery according to claim 1, wherein an electrode active material is applied to the outer surface, and the battery is electrically connected to either the positive electrode or the negative electrode having the same polarity as the core.

Apply an electrode active material to one surface of either the positive electrode or negative electrode electrode current collector, cut this part, and wind this cut part so that the coated surface is the front. In addition to producing a winding core, an electrode active material is applied to the opposite surface of the electrode current collector to produce either a positive electrode or a negative electrode, and either the positive electrode or the negative electrode An electrode active material is applied to both surfaces of the electric body to produce either the positive electrode or the negative electrode, and from the inside, either the separator, the positive electrode or the negative electrode, the separator, the positive electrode, or the negative electrode A method for producing a power generation element, wherein the power generation element is produced by winding them around a winding core so that one electrode is in the order.