Liquid metal flexible cell and preparation method thereof

A liquid metal, flexible battery technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problem of no flexible battery, achieve good flexibility and flexibility, wide application range, and prevent short circuits.

Active Publication Date: 2016-02-10
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, to date, there is no such flexible battery in the industry

Method used

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  • Liquid metal flexible cell and preparation method thereof
  • Liquid metal flexible cell and preparation method thereof
  • Liquid metal flexible cell and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The process of embodiment 1 is as follows:

[0044] Design the supporting structure of the battery unit and make it by 3D printing. The material is ABS plastic, and the battery unit is a cube with a volume of 10cm 3 , wherein the volumes of the electrolyte chamber, the first liquid metal chamber (hereinafter referred to as liquid metal chamber 1) and the second liquid metal chamber (hereinafter referred to as liquid metal chamber 2) are all 2 cm 3 , the shapes are all cubes; the shapes of the injection hole, the exhaust hole, the sieve hole, the first electrode guide hole (hereinafter referred to as the electrode guide hole 1) and the second electrode guide hole (hereinafter referred to as the electrode guide hole 2) are all circular, The diameter of the injection hole and the exhaust hole is 0.5mm, the diameter of the electrode guide hole 1 and the electrode guide hole 2 is 0.2mm, and the diameter of the mesh is 1mm; the first liquid metal (hereinafter referred to as l...

Embodiment 2

[0045] The process of embodiment 2 is as follows:

[0046] Design the supporting structure of the battery unit and make it by 3D printing. The material is silica gel, and the battery unit is a cube with a volume of 100cm 3 , where the volume of the electrolyte chamber is 15 cm 3 , the shape is an ellipsoid, and the volumes of metal chambers 1 and 2 are both 20cm 3 , the shape is cube; the shape of injection hole, vent hole, sieve hole, electrode guide hole 1 and 2 is circular, the diameter of injection hole and vent hole is 2mm, and the diameter of electrode guide hole 1 and 2 is 0.2mm mm, the sieve diameter is 1mm; the liquid electrode metal 1 has a melting point of 138°C and a volume of 15cm 3 BiSn 42 , electrode metal 2 has a melting point of 15.6°C and a volume of 15 cm 3 GaIn 24.5 , the pH value of the electrolyte is 12.5, the volume is 22cm 3 of NaOH solution. In an incubator with a temperature of 180 °C, the liquid BiSn 42 , NaOH solution and liquid Ga 62.5 In ...

Embodiment 3

[0047] The process of embodiment 3 is as follows:

[0048] The supporting structure of the designed battery cell is made by microfluidic technology, the material is PDMS, the battery cell is a cube, and the volume is 1cm 3 . Among them, the volume of the electrolyte chamber is 0.2cm 3 , the shape is an ellipsoid, and the volumes of metal chambers 1 and 2 are both 0.25cm 3 , the shape is cube; the shape of injection hole, vent hole, sieve hole, electrode guide hole 1 and 2 is circular, the diameter of injection hole and vent hole is 0.3mm, and the diameter of electrode guide hole 1 and 2 is 0.2mm, the mesh diameter is 50μm; electrode metal 1 has a melting point of -38°C and a volume of 0.2cm 3 Hg, electrode metal 2 has a melting point of 15.6°C and a volume of 0.2cm 3 GaIn 24.5 , the electrolyte uses a pH value of 3 and a volume of 0.3cm 3 HCl solution. Liquid Hg, HCl solution and liquid GaIn were mixed with a syringe at room temperature 24.5 Inject into the metal chamb...

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Abstract

The invention discloses a liquid metal flexible cell and a preparation method thereof. A metal fluid and a water-soluble electrolyte are adopted by the cell; and the cell can be applicable to the occasions of a wearable technology, a mobile application and the like; the cell comprises at least one cell unit; the cell unit is prepared from a flexible material and comprises a first liquid metal chamber, an electrolyte chamber and a second liquid metal chamber, which are sequentially arranged; the electrolyte chamber is partitioned from the first liquid metal chamber and the second liquid metal chamber through an insulating material with a sieve structure; the first liquid metal chamber, the electrolyte chamber and the second liquid metal chamber are respectively filled with a first liquid metal, the water-soluble electrolyte and a second liquid metal; and a first electrode guide hole and a second electrode guide hole are formed in the first liquid metal chamber and the second liquid metal chamber respectively.

Description

technical field [0001] The invention relates to the field of electrochemical energy storage batteries, in particular to a liquid metal flexible battery and a manufacturing method thereof. Background technique [0002] With the development of the economy, fossil energy continues to be consumed, and the problem of energy shortage has become increasingly prominent. The development of renewable energy has become an important solution. However, due to the discontinuity of these energy sources, special energy storage devices are required for energy storage. and convert. The current energy storage technologies include electromagnetic energy storage, phase change energy storage, electrochemical energy storage, etc. Electrochemical energy storage technologies include nickel-hydrogen batteries, lithium-ion batteries, flow batteries, lead-acid batteries, and sodium-sulfur batteries. technology etc. [0003] Bradwell etc. proposed the concept of liquid metal battery (D.J.Bradwell, H.K...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/36H01M10/38
CPCH01M10/36H01M10/38Y02E60/10Y02P70/50
Inventor 王磊刘静
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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