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Positive electrode for lithium secondary battery, method for preparing the positive electrode, lithium secondary battery having the positive electrode, and vehicle having the lithium secondary battery

A technology for lithium secondary batteries and positive electrodes, applied in the field of positive electrodes for lithium secondary batteries, preparation of the positive electrodes, lithium secondary batteries with the positive electrodes, and vehicles with the lithium secondary batteries, capable of solving transmission problems Can not be smooth, battery performance degradation and other problems

Inactive Publication Date: 2012-09-12
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the transport of Li ions between the active material and the electrolyte cannot proceed smoothly.
This can lead to deterioration of battery performance

Method used

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  • Positive electrode for lithium secondary battery, method for preparing the positive electrode, lithium secondary battery having the positive electrode, and vehicle having the lithium secondary battery
  • Positive electrode for lithium secondary battery, method for preparing the positive electrode, lithium secondary battery having the positive electrode, and vehicle having the lithium secondary battery
  • Positive electrode for lithium secondary battery, method for preparing the positive electrode, lithium secondary battery having the positive electrode, and vehicle having the lithium secondary battery

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Embodiment Construction

[0027]Next, embodiments of the present invention will be described with reference to the drawings. In the drawings, components and components having similar functions are denoted by the same reference numerals. It should be noted that dimensional relationships (length, width, thickness, etc.) in these drawings do not reflect actual dimensional relationships. It should also be noted that, in addition to the matters specifically indicated in this specification, but are necessary for the practice of the present invention (for example, the composition and preparation method of an electrode assembly having a positive electrode and a negative electrode, a separator (separator) and The composition and preparation method of the electrolyte, and general techniques for constructing lithium secondary batteries) will be understood as matters of design choice that can be made by those skilled in the art based on the relevant techniques in the field.

[0028] refer to Figure 1 to Figure ...

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Abstract

A positive electrode (10) for a lithium secondary battery, including a positive electrode collector (20), and a positive electrode active substance layer (30) that is supported on the positive electrode collector (20) and includes carbon nanowalls (32) which are formed on the positive electrode collector (20), and a positive electrode active substance (36) which is supported on the carbon nanowalls (32).

Description

technical field [0001] The present invention relates to a positive electrode for a lithium secondary battery, a method for preparing the positive electrode, a lithium secondary battery with the positive electrode, and a vehicle with the lithium secondary battery. More specifically, the present invention relates to a positive electrode for a lithium secondary battery having a configuration in which a positive electrode active material layer containing a positive electrode active material is supported on a positive electrode current collector, and to producing the positive electrode The method, the lithium secondary battery with the positive electrode, and the vehicle with the lithium secondary battery. Background technique [0002] In recent years, the importance of secondary batteries such as lithium ion secondary batteries and nickel-hydrogen batteries as power sources for vehicles or as power sources for personal computers and portable terminals has increased. In particul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/04H01M4/62H01M4/66H01M10/0525H01M4/485H01M4/131H01M4/1391H01M4/13H01M4/139H01M4/72
CPCH01M4/0416H01M4/0423H01M4/0428H01M4/0473H01M4/131H01M4/1391H01M4/485H01M4/505H01M4/525H01M4/58H01M4/625H01M4/663H01M10/0525Y02E60/10H01M4/13H01M4/139H01M4/66H01M10/052
Inventor 吉田怜滨雄一郎堀胜平松美根男加纳浩之
Owner TOYOTA JIDOSHA KK
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