About 47 results
https://drivepatents.com/patents/992324 · 20 Mar 2013
A flooded-type lead-acid battery in which charging is intermittently carried out in a short period of time and high-rate discharge to a load is carried out in a partial state of charge, wherein the charge acceptance and service life characteristics under P...
https://drivepatents.com/patents/993836 · 16 Jan 2013
A lead acid storage battery composed of plates, the lead acid storage battery being obtained by packing an active material into a grid plate (20) provided with a frame section (21) having a quadrangular profile shape, and lateral grid strands (23) and long...
https://drivepatents.com/patents/994154 · 9 Jan 2013
A flooded-type lead acid storage battery in which charging is intermittently carried out in a short period of time and high-efficiency discharge to a load is carried out in a partial state of charge, wherein the charge acceptance and service life character...
https://drivepatents.com/patents/994144 · 9 Jan 2013
In a liquid-type lead acid storage battery in which charging is performed for a short time intermittently and high-rate discharging to load is performed in a partially charged state, there are used a positive electrode plate in which the utilization rate o...
https://drivepatents.com/patents/996466 · 31 Oct 2012
According to the present method , a paste-type electrode of lead-acid battery in which a space in the lower surface side of an electrode is favorably filled with a paste-like active material so that inner ribs of a current collector forming a grid shape do...
https://drivepatents.com/patents/998163 · 19 Sep 2012
In a valve-regulated lead-acid battery in which charging is performed intermittently on every short time and high rate discharging to a load is performed in a partial state of charge (PSOC), a valve-regulated lead-acid battery improved for the charge accep...
https://drivepatents.com/patents/999258 · 22 Aug 2012
There are implemented a method which allows a present state of charge to be precisely estimated not only for a new battery, but also for a lead accumulator that has deteriorated with the lapse of a certain period since fist use thereof, and a lead accumula...
https://drivepatents.com/patents/1003650 · 4 Apr 2012
A present invention provides a lithium ion storage device capable of reliably doping a negative active material of a negative plate (19) with lithium ions generated through dissolution of a lithium metal plate (31) disposed in an electrode group (11). A co...
https://drivepatents.com/patents/1004324 · 14 Mar 2012
Provided herein is a lead-acid battery for which the risk of breakage of a current collecting lug part of a plate while in use is eliminated by simple means. At least a positive plate group of the lead-acid battery includes: one or more plates each includi...
https://drivepatents.com/patents/1006351 · 11 Jan 2012
A lithium ion battery capable of maintaining for a long time fire resistance of a nonaqueous electrolytic solution at a time of battery abnormality to secure safety is provided. In the lithium ion battery, two kinds of organic solvent, EC and DEC, are used...