A manufacturing method of the anode possessing the anode active material layer which has quality of the 1st cathode active material, and quality of the 2nd cathode active material, and the anode active material layer

Japanese Patent JP6202191

B2

A parameter for producing a positive electrode having excellent safety, and a positive electrode active material layer satisfying the parameter. The positive electrode active material layer includes a first positive electrode active material, a second positive electrode active material having a lower charge/discharge potential than the first positive electrode active material, and an additive. When the first positive electrode active material tap density is defined as dt1, the second positive electrode active material tap density is defined as dt2, a true density of the additive is defined as d3, a mass percentage of the first positive electrode active material is defined as Wt1, a mass percentage of the second positive electrode active material is defined as Wt2, a mass percentage of the additive is defined as Wt3, and a porosity of the positive electrode active material layer is defined as p, the positive electrode active material layer satisfies (1−p)×(Wt1/dt1)/((Wt1/dt1)+(Wt2/dt2)+(Wt3/d3))<0.38.

Tatsuya Eguchi
Takeshi Maki
Manabu Miyoshi
Yuhi Sato
Jun Kaneda
Yusuke Yamamoto
Takahiro Sugioka

JP2016507138A

September 27, 2017

December 26, 2014

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KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

H01M4/139; H01M4/131; H01M4/136; H01M4/1391; H01M4/1397; H01M4/36; H01M4/505; H01M4/525; H01M4/58

JP2007317534A
JP2004047180A
JP2011159388A
JP2008034218A
JP2007317538A

Patent business corporation Kyoritsu

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