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Electrochemical system

An electrochemical and electrolyte technology, applied in electrochemical generators, electrodes, circuits, etc., can solve the problems of easy oxidation of connection points and reduce the efficiency of electrolytic cells, and achieve compact size, small resistance factor between cells, and low cost. Effect

Inactive Publication Date: 2004-08-11
STUART ENERGY SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

A disadvantage of this connection is that the junction is susceptible to oxidation and other types of degradation will cause a significant potential drop between the cells, reducing the efficiency of the electrolyzer

Method used

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Embodiment Construction

[0043] The present invention relates to the design and method of electrically connecting arrays of electrochemical cells (cell stacks) in a filter press type arrangement to form a cell unit. In particular, the present invention relates to the design of electrochemical cells, electrochemical systems and cell electrodes, including their support and reactant / product delivery conduits, and to the electrical connection of individual cells, stacks and / or units to form Some approaches to functional electrochemical systems, such as electrolyzers in the case of electrolysis. Furthermore, the present invention provides unique and advantageous designs for various components used in electrochemical systems. The present invention discloses a methodology for building an electrochemical system that has greater flexibility in providing several electrical (bus) connection configurations, thereby providing flexibility in selecting the size of the direct current (DC) power supply.

[0044] The ...

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Abstract

The present invention relates to electrochemical cells and electrochemical systems using a one piece or unitary electrode plate hereinafter also referred to as a double electrode plate (DEP) which serves to electrically connect two adjacent cell compartments and wherein the current flow in the electrodes is parallel to the working face of the electrode. In the cell designs disclosed, the cells are assembled as a contiguous stack of cells (cell stack) appearing similar to a filter press where the electrical connections between adjacent cells are made using the double electrode plate.

Description

field of invention [0001] The invention relates to the design of an electrochemical cell and an electrochemical system, and more specifically relates to an electrode support plate suitable for single-stack and multi-stack electrochemical systems. Background technique [0002] Electrosynthesis is a production method of a chemical reaction driven by passing an electric current, typically direct current (DC), through an electrolyte located between an anode electrode and a cathode electrode. Electrochemical cells are used for chemical reactions, which include a number of cathode and anode electrodes immersed in the electrolyte, and the current flowing between these electrodes is generated by an external power source. In the absence of parasitic reactions, the reaction yield will be proportional to the magnitude of the current. For example, in a liquid alkaline water electrolyzer, a direct current (DC) is passed between two electrodes located in the water electrolyte, splitting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B11/00C25B9/00C25B9/20H01M8/24
CPCH01M8/246C25B9/20Y02E60/50C25B9/73H01M8/2483H01M8/242
Inventor 安德鲁·T·B·斯图尔特雷纳·G·拉尚斯克里斯·T·鲍恩
Owner STUART ENERGY SYST
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