Battery and usage method for same, and battery system
US-2024356025-A1 · Oct 24, 2024 · US
Secondary battery, electronic device, electric power tool, electrical vehicle, and electric power storage system
US8940439B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8940439-B2 |
| Application number | US-201213421130-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 15, 2012 |
| Priority date | Mar 23, 2011 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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A secondary battery capable of suppressing resistance rise even after repeated charge and discharge is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains titanium-containing lithium composite as an anode active material, and the electrolytic solution contains cyclic disulfonic acid anhydride.
First claim
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What is claimed is: 1. A secondary battery comprising: a cathode; an anode; and an electrolytic solution, wherein the anode contains one or more of titanium-containing lithium composite oxides expressed by the following Formula 1 to Formula 3 as an anode active material, and the electrolytic solution contains cyclic disulfonic acid anhydride expressed by the following Formula 4 or cyclic disulfonic acid anhydride expressed by the following Formula 5 or both: Li[Li x M1…
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Electricity · mapped topic
Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8940439B2 cover?
- A secondary battery capable of suppressing resistance rise even after repeated charge and discharge is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains titanium-containing lithium composite as an anode active material, and the electrolytic solution contains cyclic disulfonic acid anhydride.
- Who is the assignee on this patent?
- Kawashima Atsumichi, Imoto Hiroshi, Shiratsuchi Tomoyuki, and 6 more
- What technology area does this patent fall under?
- Primary CPC classification H01M4/485. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).