Lithium-ion secondary battery, and method of and apparatus for producing the same

A secondary battery, lithium ion technology, used in secondary batteries, secondary battery manufacturing, lithium storage batteries, etc., can solve problems such as battery performance barriers and gaps that cannot be completely eliminated

Inactive Publication Date: 2014-02-12
KOJIMA PRESS IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this case, the gap between the solid electrolyte layer and the positive electrode layer and the negative electrode layer cannot be completely eliminated, that is, the extremely small gap that prevents the movement of lithium ions still remains between the solid electrolyte layer and the positive electrode layer and the negative electrode layer. between negative electrode layers
[0010] Therefore, the prior art lithium ion secondary battery in which the positive and negative electrode layers formed separately from each other and the solid electrolyte layer are laminated to each other suffers from a high degree of contact between the solid electrolyte layer and the positive and negative electrode layers. interface resistance, which is a huge obstacle to the improvement of battery performance

Method used

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  • Lithium-ion secondary battery, and method of and apparatus for producing the same
  • Lithium-ion secondary battery, and method of and apparatus for producing the same
  • Lithium-ion secondary battery, and method of and apparatus for producing the same

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Embodiment Construction

[0052] In order to further clarify the present invention, preferred embodiments of the present invention will be described in detail by referring to the accompanying drawings.

[0053] first reference figure 1 A fragmentary longitudinal sectional view of , showing a lithium ion secondary battery 10 constructed according to a first embodiment of the present invention. Such as figure 1 As shown in , the lithium ion secondary battery 10 of this embodiment is composed of one battery cell or unit element 22 in the form of a layered structure consisting of positive electrode current collector layers 12 laminated to each other in the order described below. , positive electrode layer 16, solid electrolyte layer 20, negative electrode layer 18 and negative electrode collector layer 14.

[0054] In the present lithium ion secondary battery 10 , the positive electrode current collector layer 12 is formed of aluminum foil, and the negative electrode current collector layer 14 is forme...

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Abstract

Embodiments of the invention generally relates to a lithium-ion secondary battery, a method of and an apparatus for producing the same. Specifically, the invention relates to a lithium-ion secondary battery 10 consisting of a laminar member 40 including a positive electrode collector layer 12, a positive electrode layer 16 consisting of a vapor-deposited polymer film 26 containing a positive electrode active substance 24, and positive-electrode-side vapor-deposited polymer films 36, 37, which are integrally laminated on each other, and a laminar member 42 including a negative electrode collector layer 14, a negative electrode layer 18 consisting of a vapor-deposited polymer film 30 containing a negative electrode active substance 28, and negative-electrode-side vapor-deposited polymer films 38, 39, which are integrally laminated on each other. The laminar members 40, 42 are superposed on each other such that the vapor-deposited polymer films 36, 37 are in contact with the vapor-deposited polymer films 38, 39. The vapor-deposited polymer films 36, 37, 38, 39 constitute a solid electrolyte layer 20.

Description

[0001] Cross References to Related Applications [0002] This application is based on Japanese Patent Application No. 2012-165442 filed on July 26, 2012, the contents of which are incorporated herein by reference. technical field [0003] The present invention relates generally to lithium-ion secondary batteries, methods of production thereof and apparatus for the production thereof, and more particularly to improvements in all-solid-type lithium-ion secondary batteries and to permitting advantageous production of lithium-ion secondary batteries thus constructed A method and apparatus for a lithium ion secondary battery having a battery cell or battery element comprising a positive electrode layer and a negative electrode layer superimposed on respective opposing surfaces of a solid electrolyte layer such that The positive electrode layer and the negative electrode layer and the solid electrolyte layer are interposed between the electrode collector layer and the negative elec...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H01M10/0525H01M10/058
CPCH01M10/058Y02E60/122H01M10/0404H01M10/052H01M4/139H01M4/0421H01M10/0565H01M10/0525Y10T29/49112Y10T29/53135Y02E60/10Y02P70/50
Inventor野口真淑
OwnerKOJIMA PRESS IND CO LTD