About 75 results
https://drivepatents.com/patents/1001057 · 27 Jun 2012
The invention relates to a separator for use in a nonaqueous-electrolyte secondary battery, and a nonaqueous-electrolyte secondary battery employing the separator, the separator comprising a positive electrode and a negative electrode which are capable of ...
https://drivepatents.com/patents/1001335 · 20 Jun 2012
A lithium transition metal-based compound powder for a lithium secondary battery positive electrode material having a composition represented by formula (III) below and containing 0.1 mol% or more and 5 mol% or less of at least one element selected from Mo...
https://drivepatents.com/patents/1001844 · 6 Jun 2012
Nonaqueous electrolytes capable of providing a battery having a high capacity and excellent in storability and cycle characteristics are provided. Also provided are nonaqueous-electrolyte batteries produced with the electrolytes. The nonaqueous electrolyte...
https://drivepatents.com/patents/1002717 · 9 May 2012
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge c...
https://drivepatents.com/patents/1005721 · 1 Feb 2012
To provide a mixed carbon material used for an electrode of a nonaqueous secondary battery with excellent characteristics satisfying both rapid charge-discharge characteristics and high cycle characteristics. A negative electrode material for nonaqueous el...
https://drivepatents.com/patents/1005703 · 1 Feb 2012
To provide a mixed carbon material used for an electrode of a nonaqueous secondary battery with excellent characteristics satisfying both rapid charge-discharge characteristics and high cycle characteristics. [0002] A negative electrode material for nonaqu...
https://drivepatents.com/patents/1006769 · 28 Dec 2011
To provide a negative electrode material capable of giving a lithium ion secondary battery that is sufficiently small in the charge/discharge irreversible capacity observed at the initial cycle stage, has excellent high-temperature storage characteristics,...
https://drivepatents.com/patents/1008650 · 19 Oct 2011
The present invention relates to a nonaqueous electrolyte mainly comprising an electrolyte and a nonaqueous solvent dissolving the electrolyte, the nonaqueous electrolyte comprising: a monofluorophosphate and/or a difluorophosphate; and further at least on...
https://drivepatents.com/patents/1010028 · 24 Aug 2011
Nonaqueous electrolytes capable of providing a battery having a high capacity and excellent in storability and cycle characteristics are provided. Also provided are nonaqueous-electrolyte batteries produced with the electrolytes. The nonaqueous electrolyte...
https://drivepatents.com/patents/1010557 · 3 Aug 2011
To provide a carbon material capable of suppressing excessive reactivity with an electrolytic solution and excellent in a rapid charge/discharge characteristics. [0002] A carbon material for lithium ion secondary batteries, which satisfies: (i) a tap densi...