About 18 results
https://drivepatents.com/patents/966760 · 3 Dec 2014
The present invention provides a power storage apparatus, in which an operation cost and a maintenance cost are not increased, and the temperature of the inside is appropriately maintained, and which is not easily affected by outside air such as salt damag...
https://drivepatents.com/patents/972657 · 9 Jul 2014
The system (1) has an electro-chemical storage device (100) with an anode chamber (11) and a cathode chamber (21). The anode chamber is disconnected from cathode chamber by ion-conductive solid electrolyte (30). The anode chamber is limited to one side par...
https://drivepatents.com/patents/981049 · 11 Dec 2013
A module battery is housed in a module battery housing rack. In the module battery, an electric cell is housed in a container. The electric cell is for a sodium-sulfur battery. The container is provided with a high thermal conductive wall having a relative...
https://drivepatents.com/patents/981966 · 13 Nov 2013
An electrochemical cell (10) is proposed, having at least one liquid electrode (20) with a variable liquid level (h). The cell includes a bypass system (30) for a charging current, which is adapted for bypassing a percentage of a charging current around th...
https://drivepatents.com/patents/996824 · 24 Oct 2012
Provided are a control apparatus for a secondary battery and a control method for a secondary battery, which suppress decreases in released power and absorbed power. When a power storage device is requested to release power, a limit for power supply to a p...
https://drivepatents.com/patents/1002844 · 2 May 2012
Provided is a battery control device, in which when correction of a calculated value of a discharge capacity is necessary, the calculated value of the discharge capacity is corrected and an unnecessary correction of the calculated value of the discharge ca...
https://drivepatents.com/patents/1003995 · 28 Mar 2012
A number (uo) of healthy strings of one block in a sodium-sulfur battery is determined according to expression (1), and a failure of the sodium-sulfur battery is detected on the basis of the determination of the value of the uo. This method makes it possib...
https://drivepatents.com/patents/1007233 · 14 Dec 2011
It is determined that a drop in the capacity of a sodium-sulfur battery has proceeded to an abnormal level when both the following expression (1) and expression (2) hold. Qe - Qn ¥ K1 ··· (1) where Qe: abnormal block depth of discharge; Qn: normal bloc...
https://drivepatents.com/patents/1008145 · 2 Nov 2011
A temperature increasing method for a sodium-sulfur battery includes three or more temperature gradients, and inflection points of 90±5°C and 150±5°C at which the temperature gradient changes, and the temperature gradient in a section from 90±5°C to ...
https://drivepatents.com/patents/1011539 · 29 Jun 2011
In a method for controlling a sodium-sulfur battery, a time of correcting or resetting a depth of discharge of the sodium-sulfur battery is determined within a predetermined period based on weather information, and the depth of discharge of the sodium-sulf...