About 147 results
https://drivepatents.com/patents/1000663 · 4 Jul 2012
Provided is an electric storage device that can ensure seal in a peripheral area of a portion in a defining wall of a case through which a rivet passes even when a rivet is inserted through the defining wall of the case and the rivet is caulked. The electr...
https://drivepatents.com/patents/1001056 · 27 Jun 2012
It is an object of the present invention to provide an active material for a lithium secondary battery having high discharge capacity and excellent in high rate discharge characteristics and a lithium secondary battery using the same. The active material f...
https://drivepatents.com/patents/1001458 · 13 Jun 2012
A battery system is provided that can prevent overcharging during charging, and that can demonstrate appropriate charging performance and output performance of a secondary battery even when the battery system is used in a low-temperature environment. The b...
https://drivepatents.com/patents/1001393 · 13 Jun 2012
A storage element includes: an external terminal having an exposed surface which is exposed to the outside from an envelope, a current collector which is contained inside of the envelope and is connected to the external terminal, and a power generating ele...
https://drivepatents.com/patents/1001376 · 13 Jun 2012
A negative current collector includes a base, which is fixed to a cover of a battery and is electrically connected to a negative external terminal, and a leg which projects from the base and is electrically connected to a negative electrode in a power gene...
https://drivepatents.com/patents/1001356 · 13 Jun 2012
An outside gasket for insulating a cover from an external terminal to be fixed thereto is readily fixed to the cover irrespective of a simple structure. A battery includes: a battery case which contains a power generating element therein and whose top surf...
https://drivepatents.com/patents/1001354 · 13 Jun 2012
A battery includes current collectors for electrically connecting a power generating element contained inside of a battery case to external terminals, respectively. A caulking head of a rivet for fixing the negative current collector to a cover is containe...
https://drivepatents.com/patents/1002214 · 23 May 2012
A compound having a high reduction resistance and being capable of sufficiently performing a function as an electronic conductive additive when added to a positive electrode active material as an electronic conductive additive is provided. In a method for ...
https://drivepatents.com/patents/1002469 · 9 May 2012
PROBLEM: To provide an electricity-storing device and an electrode for an electricity-storing device which, during manufacture and use, have less tendency to experience delamination or loss at active material layer(s) and/or layer(s) provided for short cir...
https://drivepatents.com/patents/1002858 · 2 May 2012
Provided is a positive active material for a lithium secondary battery, which contains LiMPO(M is transition metal) and is capable of achieving high discharge capacity even when the atomic ratio of Mn in M of LiMPOis 85% or more (Mn is inexpensive and is c...