About 147 results
https://drivepatents.com/patents/973883 · 11 Jun 2014
A current collecting terminal is commonly used at two active material retaining portions that retain an active material to prevent variations of current collecting efficiency, and further, reduce the number of current collecting terminals, thus not only si...
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/974243 · 4 Jun 2014
Disclosed is a negative electrode for an alkaline secondary battery, which can suppress elution of iron to improve the long-period storage property of the battery capacity even under conditions in which elution of iron in a substrate into an electrolyte so...
https://drivepatents.com/patents/974437 · 28 May 2014
The present invention provides a battery that has strength against increase in internal pressure of the battery and does not require consideration of winding displacement in an electrode group. The battery according to the present invention also prevents m...
https://drivepatents.com/patents/974427 · 28 May 2014
This invention provides a battery including a cylindrical battery case and an electrode group that is smaller than the battery case and is accommodated in the battery case, so as to effectively utilize the configurations of the battery case and the electro...
https://drivepatents.com/patents/974764 · 21 May 2014
The nonaqueous electrolyte secondary battery according to the invention includes: a positive electrode containing a Mn-based active material having an average particle size of 12 µm or more and 30 µm or less, which is represented by a general formula Li ...
https://drivepatents.com/patents/975024 · 14 May 2014
A flooded lead-acid battery includes a negative active material, a positive active material having lead dioxide as a main component, and an electrolyte solution that contains sulfuric acid and is flowable. The negative active material of the flooded lead-a...
https://drivepatents.com/patents/975532 · 30 Apr 2014
Provided is a terminal portion for storage batteries that allows a nut to be fixed thereto easily and reliably so that the nut does not fall therefrom, and that allows a bolt to be inserted into the nut by selecting either one of the upper surface or the f...
https://drivepatents.com/patents/975499 · 30 Apr 2014
An electric storage condition detecting apparatus includes a voltage measurement circuit (24) and a CPU (70) that is a controller. The voltage measurement circuit (24) is a voltage detector that detects a voltage of a secondary battery (14). The CPU (70) p...
https://drivepatents.com/patents/975997 · 16 Apr 2014
A BMS (13) is configured to switch a state of a relay (12) from a closed state to an open state if a controller (22) determines that a cell voltage of a cell (C) of an assembled battery (11) is equal to or lower than a power-saving threshold. With this con...