Matsushita Electric Industrial Co., Ltd.

Akihiro Sano

Fumio Daio

Shuichi Nishino

Masatsugu Kondo

Shusuke Oguro

Daisuke Yoshida

A method of attaching a battery cell in an apparatus acted upon by centrifugal force avoids an extreme decline in discharge capacity of the battery cell when acted upon by the centrifugal force. The battery, of the type including a positive polarity material and a negative polarity material which are placed in opposition in a thickness direction of a battery case with an intervening separator disposed therebetween, and a liquid electrolyte packed inside the battery case, is mounted in the apparatus, oriented such that a negative polarity material side of the battery cell faces generally in a direction in which the centrifugal force acts on the apparatus, and an angle of inclination of a thickness direction of the battery cell is within a range of 0 to about 60 degrees relative to the direction of the centrifugal force.

Method and device for mounting cell

A battery cell is attached in an apparatus loaded in a revolving body, etc., such that the negative electrode side of the battery cell is oriented, within a prescribed angular range, in the direction in which centrifugal force acts.

A general purpose organic electrolyte cell usable for long-periods or usable after long periods of storage even in a high temperature environment exceeding 150.degree. C. The positive and the negative electrodes are separated by using a separator made of porous synthetic resin sheet having a melting point of at least 170.degree. C.

Organic electrolyte batteries

A general purpose organic electrolyte cell usable for long-periods or usable after long periods of storage even in a high temperature environment exceeding 150.degree. C. The positive and the negative electrodes are separated by using a separator made of porous synthetic resin sheet having a melting point of at least 170.degree. C., and a gasket made of thermoplastic resin having a continuous usable temperature of at least 150.degree. C. on which a sealant layer made mainly of blown-asphalt is disposed.

The present invention provides a general purpose non-aqueous electrolyte cell of high performance, capable of long-term use and/or storage even in high-temperature environments by separating the positive and the negative electrodes with a separator. The separator is made of glass-fiber non-woven cloth having a defined fiber diameter, fiber weight per unit area, and average pore size. The present invention also provides a gasket made of polyphenylene sulfide resin only or substantially of polyphenylene sulfide on which a sealant layer made substantially of blown asphalt is disposed.

Growing community of inventors

Hirakata, Japan

Akihiro Sano