Kabushiki Kaisha Toyota Jidoshokki

Jun Kaneda

Manabu Miyoshi

Tomokuni Abe

Tatsuya Eguchi

Masakazu Murase

Takahiro Sugioka

Nobuhiro Goda

Takeshi Kondo

Yusuke Sugiyama

Hiroki Oshima

Atsushi Saito

Takeshi Maki

Yuta Kawamoto

Yusuke Yamamoto

Yuuhi Sato

Yuta Nakagawa

The negative electrode includes a current collector, a negative electrode active material layer arranged on a surface of the current collector, and a protective layer arranged on a surface of the negative electrode active material layer. The negative electrode active material layer includes a first negative electrode active material having an aspect ratio defined as 'a'/'b' to fall in a range of from two or more to eight or less when a length of the major axis is defined &#x201c;a&#x201d; and a length of the minor axis is defined &#x201c;b.&#x201d; The protective layer includes a ceramic powder.

Negative electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery

A polymer compound for use as a binder for a negative electrode of an electrical storage device is formed by condensing polyacrylic acid and a multifunctional amine represented by the following formula (1), in which Y represents a straight chain alkyl group having 1 to 4 carbon atoms, a phenylene group, or an oxygen atom, and R1 and R2 each independently represent one or more hydrogen atoms, methyl groups, ethyl groups, trifluoromethyl groups, or methoxy groups. 

High-molecular compound, intermediate composition, negative electrode, electrical storage device, slurry for negative electrode method for producing high-molecular compound, and method for producing negative electrode

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 dt, the second positive electrode active material tap density is defined as dt, a true density of the additive is defined as d, a mass percentage of the first positive electrode active material is defined as Wt, a mass percentage of the second positive electrode active material is defined as Wt, a mass percentage of the additive is defined as Wt, and a porosity of the positive electrode active material layer is defined as p, the positive electrode active material layer satisfies (1&#x2212;p)&#xd7;(Wt/dt)/((Wt/dt)+(Wt/dt)+(Wt/d))&#x3c;0.38.

Positive electrode active material layer including first positive electrode active material and second positive electrode active material, and method for producing positive electrode including said positive electrode active material layer

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Kariya, Japan

Jun Kaneda