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Three-electrode electro chemical cell

An electrochemical and three-electrode technology, which is applied in the manufacture of alkaline batteries, alkaline battery electrodes, alkaline batteries, etc., can solve the problems of system cost and system volume increase

Inactive Publication Date: 2009-04-22
李文华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the shortcomings in the application of batteries and supercapacitors, people put forward the application scheme of the combined use of batteries and supercapacitors in the application. Although it is technically feasible, the system cost and system volume are greatly increased, and there are also problems in practical applications. certain problem

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0021] With the attached drawings, in figure 1 In, I 1 is the negative current, I 2 is the auxiliary electrode current, and I is the total current. When the three-electrode battery is input and output with high current, I 1 gradually increased with time, I 2 Decreases gradually with time, I is equal to I 1 with I 2 Sum.

[0022] exist figure 2 Among them, the positive electrode 1 can be made of commercially available nickel hydroxide plus binder, conductive agent, additive, etc. mixed and attached to the current collector; the auxiliary electrode 2 can be made of commercially available activated carbon powder plus binder, conductive agent, etc. mixed and attached to the It can also be made by attaching activated carbon fiber cloth to the current collector; the negative electrode 3 can be made by mixing commercially available hydrogen storage...

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Abstract

The invention discloses a three-electrode electrochemical batter, comprising at least a couple, which comprises anode, cathode, auxiliary electrodes, diaphragms and electrolyte, where the auxiliary electrodes are porous carbon auxiliary electrodes and connected with the cathode, and separately arranged on two sides of the anode, and permeability diaphragms are arranged between auxiliary electrodes, cathode and anode, and the anode, cathode and auxiliary electrode and diaphragms are soaked with electrolyte and the couple is arranged in a seal container with safe valve device and when multiple couples are inside, they are connected in parallel. As compared with the traditional alkali secondary batteries, it has fast charging and discharging ability and on condition of high power discharging, its service life is prolonged by above three times as compared with those of the Nickel-cadmium batteries and metal hydride nickel batteries.

Description

(1) Technical field [0001] The invention belongs to energy technology, in particular to a chemical battery. (2) Background technology [0002] Since the beginning of the 21st century, people have paid more and more attention to reducing the consumption of fossil energy to protect the environment in which human beings live. Solar energy, wind energy, and chemical power sources have gradually become the main clean energy sources. Batteries are the manifestation of chemical power sources. With the progress of society, industrial technology has put forward higher and higher requirements for battery performance. It has high energy, high power, long-term Battery life characteristics become an urgent need. For example, the technical progress of pure electric vehicles, hybrid vehicles and even hydrogen-powered vehicles, which are valued by the international energy and transportation fields, are all closely related to batteries. Battery technology has become the bottleneck of the de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/28H01M4/24
CPCY02E60/124Y02E60/10Y02P70/50
Inventor 李文华
Owner 李文华