MP XLR battery range for constellation

2019 European Space Power Conference (ESPC) Pub Date : 2019-09-01 DOI:10.1109/ESPC.2019.8932000

A. Vanessa, Clemente Jacky, Jérémy Hyvert, Godon Aurelie, P. J. Paul, Remy Stéphane, Borthomieu Yannick

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引用次数: 1

Abstract

There are two major challenges for Saft to develop a battery design for LEO satellite constellation which is out of the ordinary: lean production as well as a disruptive cost approach. Those main ideas will be the primordial drivers from the beginning to the end of the project. To reach the target, Saft is looking for answers to: how to build more efficiently and quickly, how to pack more simply and how to be able to run in parallel huge number to blocks? Saft core business is in energy storage system. Hence, it will use its in-house COTS cell called MP xlr for the fabrication of batteries for constellation purposes. MP xlr cells has demonstrated 1800 cycles @ 100% DOD while retaining 70% of its initial capacity. The performance of the MP xlr cell evaluated at 20% DOD and 30% DOD LEO cycling also shows a very good trend in EODV similarly to VES16 cell a space dedicated cell. Moreover, MP xlr cell exhibits stable internal resistance over cycle life which gives a significant advantage at battery level from the voltage stability to heat generation that is constant over the life.

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MP XLR电池范围星座

为低轨卫星星座开发不同寻常的电池设计，对于Saft来说有两个主要挑战:精益生产和颠覆性成本方法。这些主要想法将是项目从开始到结束的原始驱动因素。为了实现这一目标，Saft正在寻找以下问题的答案:如何更高效、更快速地构建，如何更简单地打包，以及如何能够并行运行大量的区块?Saft的核心业务是储能系统。因此，它将使用其内部的COTS电池，称为MP xlr，用于制造星座用途的电池。mpxlr电池已在100% DOD下进行了1800次循环，同时保留了70%的初始容量。MP xlr电池在20% DOD和30% DOD LEO循环下的性能也显示出与VES16电池(空间专用电池)类似的EODV非常好的趋势。此外，mpxlr电池在整个循环寿命期间表现出稳定的内阻，这在电池水平上具有显著的优势，从电压稳定性到在整个寿命期间恒定的发热。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 European Space Power Conference (ESPC)

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