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Energy storage battery system

A technology for energy storage batteries and regeneration systems, which is applied in the direction of batteries, secondary batteries, battery pack components, etc., and can solve problems such as reducing battery performance, affecting ion conduction, and electrolyte failure, achieving fast response speed and simple system structure , use the effect of persistent reduction

Active Publication Date: 2019-04-23
南京竞予能源有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, during the long-term use of the energy storage battery, problems such as gradual failure of the electrolyte and consumption of the electrolyte may occur, which will lead to too little electrolyte participating in the electrochemical reaction inside the battery, affecting the conduction of ions in the battery, thereby reducing battery performance.

Method used

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Examples

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Embodiment Construction

[0074] The present invention will be further described through embodiments below in conjunction with the accompanying drawings.

[0075] figure 1 It is a schematic diagram of the energy storage battery system according to the first embodiment of the present invention. In this energy storage battery system, a plurality of energy storage batteries 1 are arranged in the casing 2, and the casing 101 of each energy storage battery 1 is provided with a first through hole and the casing 101 accommodates cells and electrolyte , the first through hole is connected to the first branch pipe 3 with a control valve inside, the first branch pipe 3 is connected to the first main pipe 4, and the first main pipe interface 401 at the end of the first main pipe 4 is connected to the interface of the auxiliary system 7 . The control valve in the first branch pipe 3 is controlled by the control device, so that the interior of the single or multiple energy storage batteries 1 is in fluid communic...

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Abstract

The present invention provides an energy storage battery system provided with an auxiliary system. Each of energy storage batteries in the energy storage battery system is connected to a main pipe viaa branch pipe provided with a control valve and further connected to an interface of an auxiliary system in the energy storage battery system, the auxiliary system comprises a safety protection system and a maintenance regeneration system to allow the cell and the electrolyte in each energy storage battery to respectively communicate with fluids in the auxiliary system. When the detection devicedetects that a certain energy storage battery has faults, especially, the temperature rises sharply, the safety protection system injects a flame retardant gas and / or a flame retardant liquid into thehousing of the energy storage battery to prevent the battery from further reacting, thereby preventing the battery from combustion explosion. Besides, the maintenance regeneration system can performfluid infusion, fluid replacement and exhaust of a single or all the energy storage batteries so as to improve the use performances of the batteries, prolong the battery life and achieve the maintenance and regeneration of the energy storage batteries.

Description

technical field [0001] The invention relates to the field of energy storage batteries, in particular to an energy storage battery system with an auxiliary system. Background technique [0002] The energy storage capacity and power of battery energy storage systems are usually high, especially for battery energy storage systems used in fields such as microgrids, distributed power generation, and power grid peak-shaving and valley-filling. Batteries are assembled in series and parallel, so the safety requirements for batteries are very high. If safety protection measures are not adopted, when a battery burns and explodes, it will affect the operation of the entire battery energy storage system, and may even cause a major safety accident in the entire battery energy storage system. Therefore, the safety guarantee of the battery energy storage system is extremely important. Especially for lithium slurry batteries and bipolar lithium batteries in new energy storage batteries, i...

Claims

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Application Information

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IPC IPC(8): H01M10/42H01M2/36A62C3/16A62C31/00H01M50/691
CPCA62C3/16A62C31/00H01M10/4207H01M10/4214H01M10/613H01M10/627H01M10/6564H01M10/6569H01M2220/10H01M50/691H01M50/60Y02E60/10
Inventor 张晓虎陈永翀谢晨张彬张艳萍张萍
Owner 南京竞予能源有限公司
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