Asahi Kasei Kabushiki Kaisha

Yusuke Yamahata

Yuima Kimura

Nobuhiro Okada

Kazuteru Umetsu

Osamu Saito

Yuichiro Hirakawa

Hitoshi Morita

Kensuke Niimura

Tadashi Matsushita

Kazuaki Takada

Hidefumi Takami

Fumiya Nakamura

A non-aqueous lithium power storage element that includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, the positive electrode having a positive electrode collector and a positive electrode active material layer that includes active carbon, and the non-aqueous lithium power storage element having configuration (1) and/or (2). (1) The negative electrode includes a negative electrode collector and a negative electrode active material layer (2) The non-aqueous electrolyte contains (A) LiPFand/or LiBF, (B) an imide lithium salt, and (C) an oxalate-complex lithium salt, the ratio of the mass of component (C) to the total mass of components (A) and (B) being 1.0-10.0 mass %.

Non-aqueous lithium power storage element

A nonaqueous lithium-type power storage element comprising a positive electrode, a negative electrode, a separator, and a nonaqueous electrolytic solution containing lithium ions. The negative electrode has: a negative electrode collector; and a negative electrode active material layer containing a negative electrode active material, said negative electrode active material layer being provided on one surface or both surfaces of the negative electrode collector. The negative electrode active material contains a carbonaceous material capable of storing or releasing lithium ions. Furthermore, the positive electrode has: a positive electrode collector; and a positive electrode active material layer containing a cathode active material, said positive electrode active material layer being provided on one surface or both surfaces of the positive electrode collector. The positive electrode active material contains activated carbon. Also, the positive electrode active material layer contains one or more compounds selected from formulas (1) to (3) in an amount of 1.60&#xd7;10to 300&#xd7;10mol/g per unit mass of the positive electrode active material layer. LiX&#x2014;ORO&#x2014;XLi (1) LiX&#x2014;ORO&#x2014;XR(2) RX&#x2014;ORO&#x2014;XR(3) (In the formulas, RR, RX, and Xrepresent groups defined in the specification of the application.)

Nonaqueous lithium-type power storage element

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

A non-aqueous lithium-type power storage element obtained by a non-aqueous liquid electrolyte and an electrode laminate having a negative electrode body, a positive electrode body, and a separator being accommodated in an exterior body, wherein: the negative electrode body includes a negative electrode current collector and a negative electrode active material including a carbon material capable of occluding and releasing lithium ions.

A non-aqueous lithium-type power storage element comprising an electrode laminate body and a non-aqueous electrolyte being housed in an external body, the electrode laminate body having a negative electrode body, a positive electrode body and a separator.

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Tokyo, Japan

Yusuke Yamahata