Water system lithium-ion/sodium-ion battery based on iodide ion solution cathode and organic matter anode

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: 2015-07-22
FUDAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the limited storage of metal minerals will definit

Method used

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  • Water system lithium-ion/sodium-ion battery based on iodide ion solution cathode and organic matter anode
  • Water system lithium-ion/sodium-ion battery based on iodide ion solution cathode and organic matter anode
  • Water system lithium-ion/sodium-ion battery based on iodide ion solution cathode and organic matter anode

Examples

Experimental program
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Example Embodiment

[0031] Example 1: Based on organic negative anthraquinone (AQ, C 14 H 8 O 2 ) Aqueous lithium ion battery with positive electrode of iodide ion solution.

[0032] C 14 H 8 O 2 Molecular formula:

[0033]

[0034] First, the organic anthraquinone (AQ) is used as the negative electrode active material. The preparation of the negative electrode sheet is as follows: According to the ratio of active material (AQ): conductive agent (acetylene black): binder (polytetrafluoroethylene PTFE) = 60:30:10, mix the slurry to prepare a membrane electrode, and then A membrane electrode with a certain quality is uniformly pressed on the stainless steel current collector to form a negative electrode sheet. In this example, the coating amount of the negative electrode is 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 electrode current collector is as follows: mix the slurr...

Example Embodiment

[0035] Example 2 :Based on the organic negative anthraquinone (AQ, C 14 H 8 O 2 ) Aqueous sodium ion battery with positive electrode of iodide ion solution.

[0036] C 14 H 8 O 2 Molecular formula:

[0037]

[0038] First, the organic anthraquinone (AQ) is used as the negative electrode active material. The preparation of the negative electrode sheet is as follows: According to the ratio of active material (AQ): conductive agent (acetylene black): binder (polytetrafluoroethylene PTFE) = 60:30:10, mix the slurry to prepare a membrane electrode, and then A membrane electrode with a certain quality is uniformly pressed on the stainless steel current collector to form a negative electrode sheet. In this example, the coating amount of the negative electrode is 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 electrode current collector is as follows: mix the slu...

Example Embodiment

[0039] Example 3: 1,4-Dihydroxyanthraquinone (DHAQ, C 14 H 8 O 4 ) Aqueous lithium ion battery with positive electrode of iodide ion solution.

[0040] C 14 H 8 O 4 Molecular formula:

[0041]

[0042] First, use organic 1,4-dihydroxyanthraquinone (DHAQ) as the negative electrode active material. The preparation of the negative electrode sheet is as follows: According to the ratio of active material (DHAQ): conductive agent (acetylene black): binder (polytetrafluoroethylene PTFE) = 60:30:10, mix the slurry to prepare a membrane electrode, and then A membrane electrode with a certain quality is uniformly pressed on the stainless steel current collector to form a negative electrode sheet. In this example, the coating amount of the negative electrode is 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 electrode current collector is as follows: mix the slurry a...

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Abstract

The invention belongs to the technical field of electrochemistry, and particularly relates to a water system lithium-ion/sodium-ion battery based on an iodide ion solution cathode and an organic matter anode. The battery specifically comprises a liquid aqueous solution cathode which contains iodide ions, lithium ions or sodium ions, an organic compound monomer or organic polymer anode which can reversibly store lithium ions or sodium ions and contains quinone, or heterocyclic quinone or conjugate pi-bond and carbon-oxygen double bond, and a polymer ion exchange membrane for separating the liquid cathode from the polymer anode. According to the invention, the anode and the cathode are separated by using the ion exchange membrane, and a solution phase active substance is adopted as the cathode material of the water system lithium-ion/sodium-ion battery, and forms the water system lithium-ion or sodium-ion battery system with the organic anode containing no metallic element. Therefore, the water system battery assembled by adopting the scheme has the advantages of being longer in cycle life, higher in specific energy, larger in power, high in safety, low in cost and environment-friendly.

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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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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