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Pump-free lithium ion flow battery and preparation method of electrode suspension solution

A flow battery, lithium ion technology, used in fuel cells, fuel cell additives, regenerative fuel cells, etc., can solve problems such as water and oxygen gas contact, electrode suspension leakage, and safety hazards.

Active Publication Date: 2014-07-02
BEIJING HAWAGA POWER STORAGE TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The liquid pump is also easy to cause the leakage of the electrode suspension or contact with the water and oxygen in the atmosphere, causing safety hazards

Method used

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  • Pump-free lithium ion flow battery and preparation method of electrode suspension solution
  • Pump-free lithium ion flow battery and preparation method of electrode suspension solution
  • Pump-free lithium ion flow battery and preparation method of electrode suspension solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] This embodiment provides a pumpless lithium ion flow battery subsystem.

[0051]A pumpless lithium ion flow battery subsystem, the battery subsystem includes 3 battery reactors (18), 1 positive electrode liquid inlet tank (16), 1 positive electrode liquid outlet tank (20), 1 negative electrode liquid inlet tank Liquid tank (21), a negative electrode liquid outlet tank (24). The circuit connection mode among the three battery reactors (18) is parallel connection. The positions of the positive electrode liquid inlet tank (16), the positive electrode reaction chamber (1), and the positive electrode liquid outlet tank (20) are arranged in order from high to low; the negative electrode liquid inlet tank (21), the negative electrode reaction chamber (2), and the negative electrode liquid outlet tank The positions of (24) are arranged in order from high to low. Among them, the positive electrode reaction chambers (1) of the three battery reactors (18) are respectively connec...

Embodiment 2

[0053] This embodiment provides a pumpless lithium ion flow battery subsystem.

[0054] A pumpless lithium ion flow battery subsystem, the battery subsystem includes 3 battery reactors (18), 1 positive electrode liquid inlet tank (16), 1 positive electrode liquid outlet tank (20), 1 negative electrode liquid inlet tank Liquid tank (21), a negative electrode liquid outlet tank (24). The circuit connection mode among the three battery reactors (18) is parallel connection. The positions of the positive electrode liquid inlet tank (16), the positive electrode reaction chamber (1), and the positive electrode liquid outlet tank (20) are arranged in order from high to low; the negative electrode liquid inlet tank (21), the negative electrode reaction chamber (2), and the negative electrode liquid outlet tank The positions of (24) are arranged in order from high to low. Among them, the positions of the three battery reactors (18) are arranged from high to low, the three positive ele...

Embodiment 3

[0056] This embodiment provides a pumpless lithium ion flow battery subsystem.

[0057] A pumpless lithium ion flow battery subsystem, the battery unit includes 9 battery reactors (18), 1 positive electrode liquid inlet tank (16), 1 positive electrode liquid outlet tank (20), 1 negative electrode liquid inlet tank (21), 1 negative electrode liquid outlet tank (24). Among them, 3 battery reactors (18) are a group, and the 3 battery reactors (18) in each group are connected by pipes according to the method in Example 2, and the 3 sets of battery reactors (18) are connected according to Example 1. Connect the pipes in the same way.

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Abstract

The invention discloses a pump-free lithium ion flow battery and belongs to the field of a chemical energy-storing battery. The pump-free lithium ion flow battery comprises a plurality of battery subsystems, an anode liquid preparation tank, a cathode liquid preparation tank, an anode liquid collection tank, a cathode liquid collection tank, an anode conveying tank and a cathode conveying tank. An electrode suspension solution is pushed by gravity and inert gas pressure to circularly flow, so as to avoid using a pump. The pump-free lithium ion flow battery has the advantages of simplicity in operation and convenience for controlling, reduces mechanical loss of a battery system and improves the whole efficiency and the safe use performance of the battery.

Description

technical field [0001] The invention relates to a pumpless lithium ion flow battery, which belongs to the field of chemical energy storage batteries. Background technique [0002] The widespread use of electrical energy is considered one of the greatest achievements of mankind in the twentieth century. The power industry has become one of the most important basic industries in the country. The modern power system is developing in the direction of large power grids and large units, and the development of new energy grids has also entered a new stage. Low-cost, scalable energy storage is key to improving grid efficiency and continuing to develop renewable energy technologies (wind, solar). Due to the advantages of high energy density, simplicity and reliability, electrochemical energy storage occupies a pivotal position in electrical energy applications. [0003] Lithium-ion flow battery is a new type of energy storage battery. It combines the advantages of lithium-ion batt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/18H01M8/04H01M8/0438
CPCY02E60/528Y02E60/50
Inventor 陈永翀武明晓冯彩梅王秋平张萍林道勇韩立
Owner BEIJING HAWAGA POWER STORAGE TECH
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