About 147 results
https://drivepatents.com/patents/981125 · 11 Dec 2013
An electric storage device includes: an external terminal 14 having an exposed face exposed outside from an outer covering; a current collector 13 disposed inside the outer covering and connected to the external terminal 14; and an electrode assembly 2 dis...
https://drivepatents.com/patents/981879 · 20 Nov 2013
The present invention aims to provide an alkaline secondary battery having a large discharge capacity, and little performance degradation during overdischarge. The object of the present invention can be achieved by a positive active material for an alkalin...
https://drivepatents.com/patents/981749 · 20 Nov 2013
An objective is to estimate an open circuit voltage of an electric storage device (12) at an early stage. A BMS (20) includes a voltage measurement portion (24)and a CPU (32). The voltage measurement portion (24) is configured to measure voltage values of ...
https://drivepatents.com/patents/982241 · 6 Nov 2013
An object of the present invention is to provide a positive active material for a nonaqueous electrolyte secondary battery which has a large discharge capacity and is superior in charge-discharge cycle performance, initial efficiency and high rate discharg...
https://drivepatents.com/patents/982220 · 6 Nov 2013
In order to accurately protect current collectors included in an electric storage device, the electric storage device includes an electric storage element 3 arranged inside an electric storage device case BC; an electrode terminal 5 arranged outside the el...
https://drivepatents.com/patents/982972 · 23 Oct 2013
A vehicular lead storage battery according to the present invention includes a battery container provided with at least one cell chamber; and a cover plate 1 for covering an upper opening of the battery container. A guide path 8 for discharging gases withi...
https://drivepatents.com/patents/982907 · 23 Oct 2013
A device case includes a case body (1) having a side wall (1a) and an opening, a lid plate (2) for closing the opening, an end portion of the lid plate projecting from an outer surface of the side wall, and a welded portion (MP) that joins the lid plate (2...
https://drivepatents.com/patents/983255 · 16 Oct 2013
In an energy storage device (10) including a positive electrode plate (410) and a negative electrode plate (420) that are insulated from each other with a separator (430) interposed therebetween, and a non-aqueous electrolyte, the separator (430) includes ...
https://drivepatents.com/patents/983929 · 2 Oct 2013
The present invention aims to provide an alkaline secondary battery exhibiting superior storage characteristics in a charged state, and exhibiting superior battery capacity recovery characteristics even in an overdischarged state. The object of the present...
https://drivepatents.com/patents/986707 · 18 Sep 2013
An electric storage device includes an electrode assembly and an outer case. The electrode assembly has at least one convex portion. The outer case accommodates the electrode assembly and has an inner wall with a recess in portion thereof opposite the at l...