Asahi Kasei Kabushiki Kaisha

Takeshi Kamijo

Nobuhiro Okada

Kazuteru Umetsu

Akira Ikeda

Tadashi Matsushita

Sora Hida

Tetsuro Sugimoto

Keita Kusuzaka

Kazuma Komatsu

Yuima Kimura

Yuichiro Hirakawa

Hitoshi Morita

Taku Suetomi

Yu Tomono

Atsushi Hosokibara

Kimiya Murakami

Shiro Mori

Takashi Yamasaki

Akiko Kaneko

An object of the present invention is to provide a conductive film that is excellent in flexibility while maintaining its sufficient transparency and conductivity, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display having the same. A conductive film having a transparent substrate and a conductive part having a fine metal wire pattern disposed on one side or both sides of the transparent substrate, wherein

Conductive film and conductive film roll, electronic paper, touch panel and flat-panel display comprising the same

An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same. The conductive film of the present invention is a conductive film comprising a transparent substrate and a conductive part comprising a fine metal wire pattern disposed on one side or both sides of the transparent substrate, wherein: the fine metal wire pattern is constituted by a fine metal wire; the fine metal wire comprises conductive metal atom M as well as at least any atom selected from silicon atom Si, oxygen atom O, and carbon atom C; and when the maximum thickness of the fine metal wire is defined as T in STEM-EDX analysis on the cross-section of the fine metal wire perpendicular to the direction of drawing of the fine metal wire, the fine metal wire contains at least any of the silicon atom Si, the oxygen atom O, and the carbon atom C at a predetermined ratio in the thickness direction.

A lithium ion secondary battery of the present disclosure is provided with a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte containing lithium ions.

Lithium ion secondary battery

Method of preparing a nonaqueous lithium power storage element, by providing a nonaqueous lithium power storage element comprising a positive electrode precursor containing a lithium compound other than an active material, a negative electrode, a separator, a nonaqueous electrolytic solution containing lithium ions, and a casing; and applying a voltage of 4.2V or more to the nonaqueous lithium power storage element to decompose the lithium compound in the positive electrode precursor and pre-dope the negative electrode with the lithium ions, while releasing a gas generated from decomposition of the lithium compound either out of an opening of the casing or through a degassing valve or gas permeable film.

Nonaqueous lithium storage element

The disclosure relates to a lithium storage element containing a positive electrode that contains a lithium compound other than an active material, a negative electrode, a separator, and a nonaqueous electrolytic solution containing lithium ions, for which an active material is applied on both surfaces of a nonporous positive electrode power collector, and a negative electrode active material capable of storing and releasing lithium ions is applied on both surfaces of a nonporous negative electrode power collector.

The disclosure provides a nonaqueous lithium power storage element comprising a positive electrode containing a lithium compound other than an active material, a negative electrode, a separator and a nonaqueous electrolytic solution containing a lithium ion, wherein the expression 0.1 &#x3bc;m&#x2264;X&#x2264;10.0 &#x3bc;m is satisfied, where Xis the mean particle diameter of the lithium compound, the expressions 2.0 &#x3bc;m&#x2264;Y&#x2264;20.0 &#x3bc;m and X&#x3c;Yare satisfied, where Yis the mean particle diameter of a positive electrode active material, and the amount of lithium compound in the positive electrode is 1 weight % to 50 weight %.

The disclosure provides a nonaqueous lithium power storage element containing a positive electrode, a negative electrode, a separator and a lithium ion-containing nonaqueous electrolytic solution.

Nonaqueous lithium-type power storage element

This lithium ion capacitor results from housing an electrode laminate body, which comprises a positive electrode, a negative electrode, and a separator, and a non-aqueous electrolyte, which contains a lithium-ion-containing electrolyte, in an external body, wherein the negative electrode has a negative electrode current collector and a negative electrode active material layer containing a negative electrode active material that can occlude and release lithium ions on one or both surfaces of the negative electrode current collector, and the following (i) to (iii) are all satisfied: (i) the negative electrode active material is a carbon composite material containing carbon black and a carbonaceous material; (ii) the negative electrode is doped with lithium ion at between 1,050 mAh/g and 2,500 mAh/g, inclusive, per unit mass of the negative electrode active material; and (iii) the thickness of the negative electrode active material layer is between 10 &#x3bc;m and 60 &#x3bc;m, inclusive, per side.

Lithium ion capacitor

Provided is a nonaqueous lithium storage element which is obtained by housing an electrode body and a nonaqueous electrolyte solution containing a lithium salt in an outer case, said electrode body being composed of a negative electrode that is composed of a negative electrode collector and a negative electrode active material layer laminated on one or both surfaces of the negative electrode collector, a positive electrode that is composed of a positive electrode collector and a positive electrode active material layer laminated on one or both surfaces of the positive electrode collector, and a separator.

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Tokyo, Japan

Takeshi Kamijo