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Nano-flow battery

A flow battery, nanotechnology, applied in the field of electrochemical power supply, to achieve the effect of cost reduction, long cycle life and high reliability

Inactive Publication Date: 2012-04-11
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The purpose of the present invention is to solve the problems existing in the existing electrochemical energy storage materials and electrochemical energy storage systems, and to provide a nanofluid battery that is different from the traditional solid electrode and directly uses nanomaterials as active substances.

Method used

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Examples

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Effect test

Embodiment 1

[0058] Aluminum sheets and copper sheets are used as the positive electrode collector 11 and the negative electrode collector 15 respectively, the nano-positive electrode fluid 12 is composed of nano-LiFePO4 + carbon material conductive agent + organic electrolyte solution, and the nano-negative electrode fluid 14 is composed of nano-carbon material + carbon material conductive agent +Consisting of organic electrolyte solution, the thickness of the nanofluid electrode is 2mm. Using a polypropylene film (PP) as the separator 13, a nanofluid battery is assembled.

[0059] figure 2 The discharge curves of the nanofluid battery at different rates are given. It can be seen that the system has excellent electrochemical performance.

Embodiment 2

[0061] see figure 1 , Example 2 is a nanofluid battery with the same structure and different cathode active materials. Aluminum sheets and copper sheets are used as the positive electrode collector 11 and the negative electrode collector 15 respectively, the nano-positive electrode fluid 12 is composed of nano-LiCoO2 + carbon material conductive agent + organic electrolyte solution, and the nano-negative electrode fluid 14 is composed of nano-carbon material + carbon material conductive agent +Consisting of organic electrolyte solution, the thickness of the nanofluid electrode is 2mm. Using a polypropylene film (PP) as the separator 13, a nanofluid battery is assembled.

Embodiment 3

[0063] see figure 1 , Example 3 is a nanofluid battery with the same structure and different negative electrode active materials. Aluminum sheets and copper sheets are used as the positive electrode current collector 11 and the negative electrode current collector 15 respectively, the nano positive electrode fluid 12 is composed of nano LiCoO2 + carbon material conductive agent + organic electrolyte solution, and the nano negative electrode fluid 14 is composed of nano silicon-based material + carbon material conductive agent+organic electrolyte solution, and the thickness of the nanofluid electrode is 2mm. Using a polypropylene film (PP) as the separator 13, a nanofluid battery is assembled.

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Abstract

A nano-flow battery, relating to an electrochemical source, which provides a nano-flow battery that is different from the traditional flow electrode of the solid electrode and directly uses the nano-material as the active substance, wherein the nano-flow battery is provided with an anode collector, a nano-anode fluid, an isolation membrane, a nano-cathode fluid and a cathode collector, wherein the anode collector, the nano-anode fluid, the isolation membrane, the nano-cathode fluid and the cathode collector are in turn assembled. Said isolation membrane is arranged between the nano-anode fluid and the nano-cathode fluid. The nano-anode fluid is composed of an anode nano-active granule, an anode conductor, an anode electrolyte solution and an anode additive. The nano-cathode fluid is composed of a cathode nano-active granule, a cathode conductor, a cathode electrolyte solution and a cathode additive.

Description

technical field [0001] The invention relates to an electrochemical power source, in particular to a nanofluid battery based on nanoparticles in fluid electrodes as electrochemically active substances. Background technique [0002] The development of clean and renewable energy is a major strategy for my country's social and economic development, and has been listed as a key and priority development direction in the national medium and long-term scientific and technological development plan. At all levels of new energy technology, chemical power, as a clean and efficient energy storage / supply device, is an important technical approach to comprehensively alleviate energy, resource and environmental problems, and occupies an important position in the new energy system. However, the current technical level of secondary batteries, especially in terms of energy density and power density, is still difficult to meet the needs of the rapid development of new energy technologies, and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/02H01M4/36H01M10/00
CPCY02E60/12Y02E60/10
Inventor 董全峰郑明森林祖赓
Owner XIAMEN UNIV
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