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Aqueous lithium-ion/sodium-ion battery based on iodide ion solution positive electrode and organic material negative electrode

A sodium-ion battery, lithium-ion technology, applied in the field of electrochemistry, can solve problems such as increasing the cost of battery production, and achieve the effects of good electrochemical performance, low price, and high safety

Active Publication Date: 2018-06-26
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the limited storage of metal minerals will definitely increase the production cost of the above-mentioned batteries

Method used

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  • Aqueous lithium-ion/sodium-ion battery based on iodide ion solution positive electrode and organic material negative electrode
  • Aqueous lithium-ion/sodium-ion battery based on iodide ion solution positive electrode and organic material negative electrode
  • Aqueous lithium-ion/sodium-ion battery based on iodide ion solution positive electrode and organic material negative electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: Based on organic negative electrode anthraquinone (AQ, C 14 h 8 o 2 ) and an aqueous lithium-ion battery with an iodide ion solution positive electrode.

[0032] C 14 h 8 o 2 Molecular formula:

[0033]

[0034] First, the organic compound anthraquinone (AQ) is used as the negative electrode active material. The preparation of the negative electrode sheet is as follows: mix the slurry according to the ratio of active material (AQ): conductive agent (acetylene black): binder (polytetrafluoroethylene PTFE) = 60:30:10 to prepare a film electrode, and then The membrane electrode with a certain quality is evenly pressed on the stainless steel current collector to form the negative electrode sheet. In this example, the coating amount of the negative electrode was 6 mg cm -2 . Secondly, to contain 1.5 ml containing 0.01M I 2 , 0.1M LiI and 1M LiNO 3 The solution phase is the positive active material. The preparation of the positive current collector ...

Embodiment 2

[0035] Example 2: Based on organic negative electrode anthraquinone (AQ, C 14 h 8 o 2 ) and an aqueous sodium-ion battery with an iodide ion solution positive electrode.

[0036] C 14 h 8 o 2 Molecular formula:

[0037]

[0038] First, the organic compound anthraquinone (AQ) is used as the negative electrode active material. The preparation of the negative electrode sheet is as follows: mix the slurry according to the ratio of active material (AQ): conductive agent (acetylene black): binder (polytetrafluoroethylene PTFE) = 60:30:10 to prepare a film electrode, and then The membrane electrode with a certain quality is evenly pressed on the stainless steel current collector to form the negative electrode sheet. In this example, the coating amount of the negative electrode was 6 mg cm -2 . Secondly, to contain 1.5 ml containing 0.01M I 2 , 0.1M NaI and 1M NaNO 3 The solution phase is the positive active material. The preparation of the positive current collector i...

Embodiment 3

[0039] Example 3: Based on organic negative electrode 1,4-dihydroxyanthraquinone (DHAQ, C 14 h 8 o 4 ) and an aqueous lithium-ion battery with an iodide ion solution positive electrode.

[0040] C 14 h 8 o 4 Molecular formula:

[0041]

[0042] First, the organic substance 1,4-dihydroxyanthraquinone (DHAQ) is used as the negative electrode active material. The preparation of the negative electrode sheet is as follows: mix the slurry according to the ratio of active material (DHAQ): conductive agent (acetylene black): binder (polytetrafluoroethylene PTFE) = 60:30:10 to prepare a film electrode, and then The membrane electrode with a certain quality is evenly pressed on the stainless steel current collector to form the negative electrode sheet. In this example, the coating amount of the negative electrode was 6 mg cm -2 . Secondly, to contain 1.5 ml containing 0.01M I 2 , 0.1MLiI and 1M LiNO 3 The solution phase is the positive active material. The preparation of...

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Abstract

The invention belongs to the technical field of electrochemistry, in particular to an aqueous lithium ion / sodium ion battery based on an iodide ion solution positive electrode and an organic material negative electrode. Its specific composition includes: a liquid aqueous solution positive electrode containing iodide ions, lithium ions or sodium ions, organic compound monomers or An organic polymer anode, and a polymer ion exchange membrane separating the liquid cathode from the polymer anode. The invention uses an ion exchange membrane to separate positive and negative poles, adopts solution-phase active materials as positive electrode materials of water-based lithium-ion or sodium-ion batteries, and forms a water-based lithium-ion or sodium-ion battery system with organic negative electrodes that do not contain any metal elements. The aqueous battery assembled accordingly has the advantages of super long cycle life, high specific energy, high power, high safety, low cost and environmental friendliness.

Description

technical field [0001] The invention belongs to the technical field of electrochemistry, and in particular relates to a water-based rechargeable battery. Background technique [0002] With the massive consumption of fossil energy and the intensification of global warming, promoting the large-scale application of wind energy, solar energy and other renewable energy and building a low-carbon society has become the focus of global attention. To integrate intermittent wind energy, solar energy and other renewable energy sources and build a smart grid, large-scale power storage and energy storage devices are essential. Therefore, the development of large-scale electrochemical energy storage technology with the advantages of safety and high efficiency, ultra-long life, high specific power, low cost, and high specific energy has received increasing attention. [0003] Based on the high safety characteristics of water-based batteries, various water-based batteries, such as lead-aci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/60H01M4/38H01M2/16H01M10/36H01M50/431H01M50/46
CPCH01M4/38H01M4/60H01M4/602H01M4/625H01M10/36H01M50/409Y02E60/10
Inventor 王永刚夏永姚董晓丽
Owner FUDAN UNIV
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