Spirally-rolled electrodes with separator and the batteries therewith
First Claim
1. Spirally-rolled electrodes for batteries having a concentric circle shape or an elliptic shape with positive electrodes, negative electrodes and a separator therebetween, wherein;
- (1) the said positive electrode and/or negative electrode comprise the combinations of plural electrode plates;
(2) each of the said combinations in the said positive electrode and/or the said negative electrode is constituted so that the total amount of the active material or pseudo- active material which are the main materials is substantially constant and;
(3) each electrode plate in the electrode comprising plural electrode plates is wound in series with an interval therebetween.
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Accused Products
Abstract
Spirally-rolled electrodes for batteries wherein the electrodes having a concentric circle shape or an elliptic shape with positive electrode and negative electrode wound spirally via a separator therebetween has the characteristics as below: (1) the positive electrode and/or negative electrode consist of the combinations of several electrode plates; (2) each of the combinations in the positive electrode and/or the negative electrode so includes that the total amount of the active material or pseudo- active material which are the main materials for the electrode is substantially constant and; (3) each electrode plate in the electrode including plural electrodes is wound in series with an interval therebetween.
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Citations
15 Claims
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1. Spirally-rolled electrodes for batteries having a concentric circle shape or an elliptic shape with positive electrodes, negative electrodes and a separator therebetween, wherein;
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(1) the said positive electrode and/or negative electrode comprise the combinations of plural electrode plates;
(2) each of the said combinations in the said positive electrode and/or the said negative electrode is constituted so that the total amount of the active material or pseudo- active material which are the main materials is substantially constant and;
(3) each electrode plate in the electrode comprising plural electrode plates is wound in series with an interval therebetween. - View Dependent Claims (2, 3)
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4. Spirally-rolled electrodes for batteries wherein the electrodes for batteries having a concentric circle shape or an elliptic shape with a thin nickel positive electrode and a thin metal hydride negative electrode with are wound spirally interposing a separator therebetween has the characteristics as below:
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(1) the said thin nickel positive electrode is the electrode around which plural positive electrode plates are wound in series in order;
(2) the said thin metal hydride negative electrode is the electrode around which one or plural negative electrodes are wound in series in order;
(3) plural electrode plates in each electrode are so combined that the total amount of the active material or pseudo-active material is substantially constant;
(4) plural electrode plates in each electrode are wound in series with an interval therebetween and;
(5) the thickness of an electrode at the side where the winding starts is thinner than the thickness of an electrode at the side where the winding ends in several electrode plates in an electrode comprising several electrode plates. - View Dependent Claims (5, 6, 7)
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8. A secondary battery wherein the spirally-rolled electrodes for batteries are sealed having a concentric circle shape or an elliptic shape with a positive electrode and a negative electrode which are wound spirally interposing a separator therebetween has the structure as below:
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(1) the said positive electrode and/or negative electrode comprise with the combinations of plural electrode plates;
(2) each of the said combinations in the said positive electrode and/or the said negative electrode so comprises that the total the total amount of the active material or pseudo-active material which are the main materials is substantially constant and;
(3) each electrode plate in the electrode is wound in series with an interval therebetween. - View Dependent Claims (9, 10, 11)
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12. A battery comprising:
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a positive electrode;
a negative electrode; and
a separator disposed between the positive electrode and negative electrode;
wherein at least the positive electrode and the negative electrode both comprises a plurality of electrode plates with intervals between plates;
wherein the electrode plates are selected from among groups of plates classified by weight so that the electrode plates have substantially constant weights;
wherein the positive electrode, the negative electrode, and the separator are configured in a spiral roll. - View Dependent Claims (13, 14, 15)
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Specification