About 47 results
https://drivepatents.com/patents/970901 · 27 Aug 2014
Provided is a fluid type lead acid battery wherein charging is performed intermittently for a short duration each time, and high-rate discharging to a load is performed in a partial state of charge, said lead acid battery improving the charge acceptance an...
https://drivepatents.com/patents/975901 · 23 Apr 2014
Provided is an electrochemical cell module unit in which a plurality of electrochemical cell modules may be electrically and mechanically connected with a simple structure. In an electrochemical cell module unit 100, two adjacent electrochemical cell modul...
https://drivepatents.com/patents/976590 · 9 Apr 2014
The leakage of smoke produced from the inside of a battery is to be prevented, and more secure use is to be enabled. A lithium ion battery houses an electrode group in a battery can together with an electrolyte solution. The electrode group includes a posi...
https://drivepatents.com/patents/976559 · 9 Apr 2014
A secondary-battery electrode group unit with its electrodes and current collecting members reliably fixed to each other and enabling a large current flow is provided, and a method of manufacturing the secondary-battery electrode group unit is also provide...
https://drivepatents.com/patents/977269 · 19 Mar 2014
The present invention suppresses the formation of layers in electrolyte and improves battery lifetime performance in a flooded-type lead acid battery that is discharged to a load in partially charged state even in the case where it is difficult to stir ele...
https://drivepatents.com/patents/980567 · 25 Dec 2013
The present invention provides a cylindrical lithium-ion secondary battery. The lithium-ion battery of the present invention has a structure in which the value of B/A is optimized, where the distance between an electrode pole to which strip-form lead piece...
https://drivepatents.com/patents/980545 · 25 Dec 2013
There is proposed a secondary battery with a large capacity that excels in safety by causing a safety valve to reliably operate to immediately discharge gas produced in the battery in a limited battery space for the purpose of increasing the capacity and t...
https://drivepatents.com/patents/980525 · 25 Dec 2013
The present invention provides a secondary battery including stacks that are hermetically enclosed in a battery can with a bottom, each stack having an alternate arrangement of a metallic current collector having a negative electrode active material layer ...
https://drivepatents.com/patents/982606 · 30 Oct 2013
A lead-acid battery improving the charge acceptance in an initial stage, suppressing the decrease of the charge acceptance for a long time use of the battery and having a long life is provided. In a lead-acid battery using a paste type negative plate prepa...
https://drivepatents.com/patents/987529 · 14 Aug 2013
Provided is a technique of achieving a longer-life lithium ion secondary battery. The lithium ion secondary battery includes a cathode including a cathode active material containing Mn, an anode including an anode active material containing graphite and no...