全海深环境锂离子电池放电特性分析  

Discharge characteristic analysis of lithium ion battery under full deep sea environment

作　　者：宋德勇 叶聪[1,2] 何巍巍 杨申申 王磊[1,2] SONG Deyong;YE Cong;HE Weiwei;YANG Shenshen;WANG Lei(China Ship Scientific Research Center,Wuxi 214082,China;State Key Laboratory of Deep-Sea Manned Vehicles,Wuxi 214082,China)

机构地区：[1]中国船舶科学研究中心,江苏无锡214082 [2]深海载人装备全国重点实验室,江苏无锡214082

出　　处：《舰船科学技术》2024年第14期110-113,共4页Ship Science and Technology

基　　金：国家重点研发计划资助项目(2016YFC0300600)。

摘　　要：对于应用于全海深环境的锂离子电池,针对在实际使用过程中电池的电压、电流、电芯温度、SOC(荷电状态)等数据,分析其放电特性。通过提取电池组的电池电流和海水温度,针对电芯温度随电池电流和海水温度的变化特点进行分析,同时分析不同支路的电芯温度特点,并结合不同工况的电池电流特点和海水温度,分析电芯温度在不同阶段的变化情况。此外,分析电池电流对SOC的影响,并对比分析不同情况下SOC随电池电流变化的特点。In this paper,the discharge characteristics of the lithium-ion battery are analyzed according to the data of the battery’s voltage,current,core temperature and SOC under full deep sea environment.By extracting the battery current and water temperature data,the core temperature characteristics along with the change of battery current and water temperature is analyzed,at the same time the different branch of the cell temperature change characteristics are analyzed,and combining with the characteristics of different latent time of battery current and water temperature,cell temperature changes in different stages.In addition,the influence of battery current on SOC is analyzed,and the characteristics of SOC changing with battery current under different dives are compared and analyzed.

关 键 词：全海深 锂离子电池 放电特性 

分 类 号：P756[天文地球—海洋科学]