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Manufacturing method of electrochemical battery cell

An electrochemical and battery technology, applied in the field of electrochemical batteries, to achieve the effects of high current intensity, reduced internal resistance, and fast charging

Inactive Publication Date: 2010-07-21
冈瑟·汉比特泽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Manufacturing method of electrochemical battery cell
  • Manufacturing method of electrochemical battery cell
  • Manufacturing method of electrochemical battery cell

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Embodiment Construction

[0101] figure 1 An electrochemical cell 1 is shown schematically with a housing 2 , inside the cell there is a sandwich arrangement of layers, namely a negative electrode 3 , a porous separator layer 4 and a positive electrode 5 . The electrodes 3 , 5 are connected via electrical conductors 6 , 7 to connection contacts 8 , 9 , via which the battery can be connected to a charging device for charging or, in use, to a consumer.

[0102] The construction of the cells is largely conventional and requires no further explanation. An important feature is that there is no separator between the electrodes 3, 5, but rather a porous separator 4 which facilitates the deposition of The active metal grows through the isolation layer 4. Here, a local contact and thus a local short circuit occurs between the active metal and the surface of the positive electrode 5 facing the negative electrode 3 .

[0103] figure 1 show, and figure 2 It is shown more clearly that the electrodes 3 , 5 are...

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Abstract

The invention relates to an electrochemical battery cell with a negative electrode, an electrolyte containing a conducting salt, and with a positive electrode. The electrolyte is based on SO2, and the space between the positive electrode and the negative electrode is formed in such a manner that when the cell is being charged, the active material deposited on the negative electrode can come into contact with the positive electrode such that locally limited short-circuit reactions occur on the surface thereof.

Description

[0001] This application is a divisional application of the invention patent application with the application number 200480027573.8, the application date is 2004.09.21, and the invention name is "electrochemical battery". technical field [0002] The invention relates to an electrochemical cell having a negative electrode (cathode), an electrolyte comprising a conductive salt and a positive electrode (anode). The invention relates in particular to alkali metal batteries in which the active substance is an alkali metal which is stored in and / or on the negative electrode when the battery is charged. However, the active substance can also be other metals, in particular alkaline earth metals or metals of the second group of the periodic system. The conductive salt of the electrolyte consists of metal cations and matching anions that form the active species. In the case of alkali metal batteries, the alkali metal tetrahaloaluminate (e.g. LiAlCl 4 ) are preferably used as conductiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/058H01M10/0563H01M4/13H01M4/485H01M4/38H01M10/36H01M4/139H01M4/52H01M4/525H01M4/58H01M4/587H01M10/0525H01M10/054H01M10/0585H01M50/431H01M50/497
CPCH01M4/587H01M4/525H01M4/139H01M10/058H01M10/0525H01M2/14H01M10/0563H01M2/1646H01M10/054H01M10/0585H01M4/13H01M4/62Y02E60/122Y10T29/49108H01M50/431H01M50/497Y02E60/10Y02P70/50H01M50/618H01M4/0447
Inventor 冈瑟·汉比特泽L·津克H·比奥泽M·博克C·里普
Owner 冈瑟·汉比特泽