About 53 results
https://drivepatents.com/patents/973819 · 11 Jun 2014
An energy storage device (10) including a positive electrode (410), a negative electrode (420), a separator (431 or 432) disposed between the positive electrode (410) and the negative electrode (420), and a non-aqueous electrolyte, wherein the negative ele...
https://drivepatents.com/patents/974110 · 4 Jun 2014
Provided are a carbon material for lithium ion secondary batteries, a negative electrode compound for lithium ion secondary batteries, a negative electrode for lithium ion secondary batteries, and a lithium ion secondary battery which can provide lithium i...
https://drivepatents.com/patents/977282 · 19 Mar 2014
This invention aims to provide a carbon material for a nonaqueous secondary battery having a high capacity and excellent charging/discharging load characteristics, which is used as a negative electrode material for a nonaqueous secondary battery. This inve...
https://drivepatents.com/patents/978980 · 5 Feb 2014
There is provided a carbon material for a negative electrode of a lithium ion secondary battery which is capable of maintaining a high level of charge and discharge capacity and suppressing capacity degradation which will occur due to repetition of a charg...
https://drivepatents.com/patents/978874 · 5 Feb 2014
There is provided raw coke materials for a negative electrode material of a lithium ion secondary battery which is useful to achieve excellent high-speed charge and discharge characteristics. The raw coke materials of a carbon material for a negative elect...
https://drivepatents.com/patents/979775 · 15 Jan 2014
The object of the present invention is to provide a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries having a great charge-discharge capacity, high charge-discharge efficiency, and an excellent charge-discharge ...
https://drivepatents.com/patents/982968 · 23 Oct 2013
The present invention provides an electrode material in which unevenness in a supporting amount of a carbonaceous film is less when using an electrode-active material having a carbonaceous film on a surface thereof as the electrode material, and which is c...
https://drivepatents.com/patents/983581 · 9 Oct 2013
Disclosed is a method including (a) mixing a precursor of a material for preparing at least one material selected from the group consisting of low crystalline carbon and amorphous carbon with a hydrophilic material including an oxide capable of intercalati...
https://drivepatents.com/patents/986488 · 25 Sep 2013
An amorphous carbon material for lithium-ion secondary battery negative electrode is capable of reducing capacity degradation due to repeated charge and discharge cycles, storage while being charged, or floating charge. [0002] A method for producing an amo...
https://drivepatents.com/patents/987906 · 7 Aug 2013
The present invention provides a carbon material for use in an electrode of a nonaqueous secondary battery which shows excellent properties and combines high-rate charge/discharge characteristics and high cycle characteristics. Furthermore, a subject for t...