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A liquid metal battery module and its assembly method

A liquid metal battery and battery box technology, which is applied in the field of energy storage, can solve problems such as difficult battery maintenance, low reliability of battery insulation and sealing, and complicated design of battery leads, so as to achieve effective protection, improve long-term reliability, and diffuse and corrosion reduction effect

Active Publication Date: 2019-10-29
CHINA XD ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to further improve the reliability and practicability of the liquid metal battery module, the present invention will provide a liquid metal battery module and its assembly method, which is used to solve the problem caused by the existing liquid metal battery module because the battery is integrally packaged inside the thermal insulation box. The reliability of battery insulation and sealing is not high, the design of battery leads is complicated, and the battery maintenance is difficult

Method used

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  • A liquid metal battery module and its assembly method
  • A liquid metal battery module and its assembly method
  • A liquid metal battery module and its assembly method

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Embodiment Construction

[0035] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] See Figure 1 to Figure 3 , the liquid metal battery module of the present invention includes a battery box, a liquid metal battery array and a battery management unit. The specific structure is as follows:

[0037] like figure 1 As shown, the battery box includes a heating layer 1, a thermal insulation layer 2, a box shell 3, a thermal insulation top cover 4, a top cover shell 5, and a lead wire protection cover 6. The heating layer 1 is provided with a heating element 7.

[0038]The battery box is composed of heating layer 1, thermal insulation layer 2 and box shell 3 from the inside to the outside, and the bottom or surrounding heating layer 1 is provided with a heating element 7; the thermal insulation top cover 4 is the thermal insulation layer from the inside to the outside. Layer 2 and box shell 3, the bottom of the battery b...

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Abstract

The invention discloses a liquid metal battery module and an assembly method thereof, comprising a battery case, a plurality of liquid metal battery cells and a battery management unit; The space is divided into a high-temperature zone and a low-temperature zone by the top cover shell. The main part of the liquid metal battery cell is placed in the high-temperature zone; Connect the negative electrode current collectors and positive electrode current collectors of different liquid metal battery cells in sequence through the battery leads to carry out series and parallel combination of liquid metal battery cells; the battery management unit is arranged on the battery box to control the liquid metal battery and monitoring. The invention can solve the problems of low battery insulation and sealing reliability, complex design of battery lead wires and difficult battery maintenance caused by the existing liquid metal battery module because the battery is integrally packaged inside the thermal insulation box.

Description

technical field [0001] The invention belongs to the technical field of energy storage, and in particular relates to a liquid metal battery module and an assembly method thereof. Background technique [0002] Liquid metal battery is a new type of energy storage battery technology proposed by Professor Sadoway of the Massachusetts Institute of Technology in 2007. This kind of battery usually works at a high temperature of 300 ° C to 700 ° C. Its electrodes are liquid metals and electrolytes are inorganic molten salts. The electrodes and electrolytes are naturally stratified due to density differences and mutual immiscibility. , The negative electrode layer is completely isolated. When the battery is running, it releases electrons from the negative electrode metal and forms an alloy with the positive electrode metal to realize discharge, and releases electrons through the negative electrode metal located in the positive electrode layer and returns to the negative electrode lay...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/38H01M10/39H01M2/10H01M50/253
CPCH01M10/38H01M10/39H01M2220/10H01M50/20H01M50/24Y02E60/10Y02P70/50
Inventor 彭勃张坤蒋凯郭姣姣王康丽王玉平李侠
Owner CHINA XD ELECTRIC CO LTD
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