Design on Series Equalization Circuit of Liquid Metal Battery

XU Qin; HUANG Qindan; RAO Rui; SONG Haoyong; ZHAO Chongzhi; LIU Jing

doi:10.14044/j.1674-1757.pcrpc.2020.06.033

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Design on Series Equalization Circuit of Liquid Metal Battery

更新时间：2024-09-14

- Design on Series Equalization Circuit of Liquid Metal Battery
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 6, Pages: 202-206(2020)
- 作者机构：
  
  广东电网有限责任公司广州供电局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.06.033
  CLC： TM91
- Published：2020，
- 稿件说明：
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[1]徐钦,黄青丹,饶锐,宋浩永,赵崇智,刘静.液态金属电池串联均衡电路的设计[J].电力电容器与无功补偿,2020,41(06):202-206.

XU QIN, HUANG QINDAN, RAO RUI, et al. Design on Series Equalization Circuit of Liquid Metal Battery. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 202-206.
[1]徐钦,黄青丹,饶锐,宋浩永,赵崇智,刘静.液态金属电池串联均衡电路的设计[J].电力电容器与无功补偿,2020,41(06):202-206. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.033.

XU QIN, HUANG QINDAN, RAO RUI, et al. Design on Series Equalization Circuit of Liquid Metal Battery. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 202-206. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.033.

摘要

液态金属电池具有容量大、充放电电流大、寿命长等特性

是极具前景的电力储能电池。该文首先通过实验

分析了电池基本特性

发现液态金属电池具有工作电压低的特点。根据该特性

对比不同均衡电路

采用电感作为能量转移介质

设计了一种满足液态金属电池串联的均衡电路方案。对该电路建立了仿真模型

利用仿真模型分析了电感值、电池电压、转移时间等参数对均衡的影响

优化了电路参数。搭建了10个电池的串联电路

对均衡电路进行了实际测试

实验结果表明电路可以完成电池均衡

证明了设计的有效性

为后续电池组管理系统的开发打下了良好基础。

Abstract

Liquid metal battery（LMB） is the very promising power storage battery due to such features as large capacity

large charge and discharge current and long service life.In this paper

LMB’ s basic characteristic is analyzed by experiment and its basic feature is analyzed

finding that the LMB has the feature of low operating voltage.According to the feature and comparison of different equalization circuit

the inductance is used as energy transfer media and a kind of equalization circuit proposal meeting the series connection of the liquid metal battery is designed.The simulation model for this circuit is built and the influence of such parameters as inductance

battery voltage and transfer time on equalization is analyzed and the parameters are optimized.The actual circuit with ten LMBs in series is constructed and the equalization circuit is tested.It is shown by the experiment result that the circuit can achieve battery equalization.The effectiveness of the design is proved

which lays a good foundation for the development of management system of subsequent battery.

关键词

液态金属电池特性均衡电路

Keywords

liquid metal batterycharacteristicequalization circuit

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Related Institution

Guangzhou Power Supply Bureau, Guangdong Power Grid Co, Ltd

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