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Composition for binder for non-aqueous cell electrode, binder for non-aqueous cell electrode, composition for non-aqueous cell electrode, non-aqueous cell electrode, and non-aqueous cell

一种非水系电池、组合物的技术，应用在电池电极、二次电池、磷有机化合物等方向，达到充放电循环特性优异、耐膨润性优异的效果

Active Publication Date: 2018-01-02
RESONAC CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still room for improvement in charge-discharge cycle characteristics

Method used

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  • Composition for binder for non-aqueous cell electrode, binder for non-aqueous cell electrode, composition for non-aqueous cell electrode, non-aqueous cell electrode, and non-aqueous cell
  • Composition for binder for non-aqueous cell electrode, binder for non-aqueous cell electrode, composition for non-aqueous cell electrode, non-aqueous cell electrode, and non-aqueous cell
  • Composition for binder for non-aqueous cell electrode, binder for non-aqueous cell electrode, composition for non-aqueous cell electrode, non-aqueous cell electrode, and non-aqueous cell

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Experimental program
Comparison scheme
Effect test

Embodiment 1～15、 comparative example 2～11

[0159] Except that the components were changed as in Table 4 or Table 5, the binder compositions B to Z were prepared in the same manner as in the non-aqueous battery electrode binder A. The addition amount of each component is shown in Table 4 or 5, and the evaluation result is shown in Table 6.

[0160] Each component in the non-aqueous battery electrode binder is shown below.

[0161] As the neutralizing agent (C) consisting of an alkali metal compound and / or an alkaline earth metal compound, the following were used.

[0162] NaOH: 10% sodium hydroxide aqueous solution

[0163] As (a) phosphoric acid group-containing ethylenically unsaturated monomer and (b) phosphoric acid group-containing surfactant, the following were used.

[0164] (a) Ethylenically unsaturated monomers containing phosphate groups

[0165] [Table 1]

[0166] Table 1

[0167]

[0168] (b) Surfactants containing phosphoric acid groups

[0169] [Table 2]

[0170] Table 2

[0171]

[0172] In ...

Embodiment 16～30 and comparative example 13～22

[0184] Except having changed the nonaqueous battery electrode binder A into nonaqueous battery electrode binders BZ, it carried out similarly to the comparative example 12, produced the negative electrode and the lithium ion secondary battery, and evaluated the performance. The results are shown in Table 7.

[0185] [Table 4]

[0186]

[0187] [table 5]

[0188]

[0189] [Table 6]

[0190]

[0191] [Table 7]

[0192] Table 7

[0193]

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Abstract

A composition for a binder for a non-aqueous cell electrode contains (A) an ethylenically unsaturated monomer and (B) a surfactant as essential components, and satisfies two or more conditions from among (I) to (III) below: (I) The (A) ethylenically unsaturated monomer includes (a) a phosphoric-acid-group-containing ethylenically unsaturated monomer. (II) The (B) surfactant includes (b) a phosphoric-acid-group-containing surfactant. (III) The composition for a binder for a non-aqueous cell electrode contains (C) a neutralizer comprising an alkali metal compound and / or an alkaline-earth metal compound.

Description

technical field [0001] The present invention relates to a nonaqueous battery electrode binder composition for forming an electrode of a nonaqueous battery, a nonaqueous battery electrode binder obtained by emulsion polymerization of the electrode binder composition, and a nonaqueous battery electrode binder composition. Binder for battery electrodes, composition for nonaqueous battery electrodes further comprising an electrode active material, nonaqueous battery electrodes formed using the composition for nonaqueous battery electrodes, and nonaqueous batteries obtained by using the nonaqueous battery electrodes . Background technique [0002] As a non-aqueous battery, a lithium ion secondary battery is mentioned as a representative example. Non-aqueous batteries are used as power sources for notebook personal computers, mobile phones, electric tools, and electronic / communication equipment from the viewpoint of miniaturization and weight reduction. In addition, recently, fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/62C07F9/09
CPCC07F9/091C07F9/11H01M4/622C08F212/08Y02E60/10C08F220/1808C08F222/02C08F220/20C08F230/02C08F220/06C08F212/22C08F220/18C08F20/26H01M10/0525
Inventor 内屋敷纯也花崎充仓田智规
Owner RESONAC CORPORATION
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