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Preparation method for high-energy sodium-chloride intermediate-temperature thermal battery

A thermal battery, sodium chloride technology, applied in the direction of delayed action cells, etc., can solve the problems of chemical production battery pollution, uneven battery voltage, complex process, etc., to achieve the suppression of sodium dendrites, fast heating speed, production The effect of simple method

Active Publication Date: 2016-07-06
湖州青钠新能源科技有限公司
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  • Claims
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Problems solved by technology

However, the current chemical production of batteries pollutes the environment, and the process is complicated. During the use of chemical batteries, the voltage of each single battery is prone to inhomogeneity, and sometimes there is a large current discharge, resulting in short service life, poor temperature characteristics, complex systems, high cost and other fatal weaknesses.

Method used

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  • Preparation method for high-energy sodium-chloride intermediate-temperature thermal battery
  • Preparation method for high-energy sodium-chloride intermediate-temperature thermal battery

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Embodiment 1

[0013] Example 1, such as figure 1 , figure 2 Shown, the present invention comprises stainless steel card 1, positive electrode 2, negative electrode 3, polyimide aramid fiber material 4, it is characterized in that: carry out according to the following steps

[0014] (1) Preparation of cathode material for sodium-chlorine thermal battery; first make NaAlCl 4 Medium temperature ionic liquid molten salt, the analytically pure AlCl 3 Place in a microwave mixer and heat to 170°C to form AlCl 3 Molten salt, add analytical pure NaCl at a molar ratio of 1:1, gradually heat and stir at a rate of 5°C per minute for 1 hour to 270°C--350°C, then mix analytically pure NaCl and gas phase at a molar ratio of NaCl:Ni=1:1 Deposit metallic Ni powder, by mixture with NaAlCl 4 Add the mass ratio of 4:1 into the microwave mixer and stir for 6 hours to prepare NaAlCl 4 , NaCl, and Ni melted and mixed medium-temperature colloid 8, impregnated and extruded low-density graphite felt 6 into the...

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Abstract

The invention discloses a preparation for a high-energy sodium-chloride intermediate-temperature thermal battery. The method comprises the following steps of preparing a positive material of the sodium-chloride thermal battery; preparing a negative material of the sodium-chloride thermal battery; packaging the sodium-chloride intermediate-temperature thermal battery; and packaging a battery shell. With the process technique disclosed by the invention, the purposes of increasing battery capacity, reducing battery weight, making the preparation process simple, and ensuring safety and high-efficiency of the battery can be achieved. By the battery, the energy storage of the battery is improved, the battery is high in charge-discharge speed and long in service lifetime, and is safe, the preparation process is simple, the conventional preparation process is partially reduced, and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of a high-energy and environment-friendly energy storage redox battery, in particular to a preparation method of a high-energy sodium-chloride medium-heat battery. Background technique [0002] Due to the increasing shortage of oil resources, the exhaust emissions of oil-burning internal combustion engines are increasingly polluting the environment. Therefore, people have invested a lot of manpower and material resources in the research and development of new energy devices that replace internal combustion engines. Fuel cells, chemical battery products and application development have made great progress. Certain results. However, the current chemical production of batteries pollutes the environment, and the process is complicated. During the use of chemical batteries, the voltage of each single battery is prone to inhomogeneity, and sometimes there is a large current discharge, resulting in short service li...

Claims

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Application Information

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IPC IPC(8): H01M6/36
CPCH01M6/36
Inventor 曹秀峰
Owner 湖州青钠新能源科技有限公司
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