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Title: Field Aging Testbed for Behind-the-Meter PV + Energy Storage

Abstract

Small DC-coupled battery test systems are deployed at NREL to evaluate capacity fade models and report on performance parameters such as round-trip efficiency under indoor and outdoor deployment scenarios. Initial commercial battery products include LG Chem RESU Lithium-ion and Avalon vanadium-redox flow batteries. Adapting indoor lab-scale test methods to outdoor systems has challenges, including maintaining constant temperature and fully controlling batteries through standard discharge curves. Initial measurements show the Lithium Ion battery systems performing within expectation, near 85% round-trip efficiency. Initial lifetime modeling and measurements indicate battery capacity may degrade by 20%-35% over 10 years.

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [1]; ORCiD logo [1]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
OSTI Identifier:
1569207
Report Number(s):
NREL/PO-5K00-73988
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 46th IEEE Photovoltaic Specialists Conference (PVSC 46), 16-21 June 2019, Chicago, Illinois
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 33 ADVANCED PROPULSION SYSTEMS; lithium ion batteries; battery test systems; vanadium-redox flow batteries

Citation Formats

Deline, Christopher A, Jenket, Don, Sekulic, William R, Jordan, Dirk, DiOrio, Nicholas A, and Smith, Kandler A. Field Aging Testbed for Behind-the-Meter PV + Energy Storage. United States: N. p., 2019. Web.
Deline, Christopher A, Jenket, Don, Sekulic, William R, Jordan, Dirk, DiOrio, Nicholas A, & Smith, Kandler A. Field Aging Testbed for Behind-the-Meter PV + Energy Storage. United States.
Deline, Christopher A, Jenket, Don, Sekulic, William R, Jordan, Dirk, DiOrio, Nicholas A, and Smith, Kandler A. Thu . "Field Aging Testbed for Behind-the-Meter PV + Energy Storage". United States. https://www.osti.gov/servlets/purl/1569207.
@article{osti_1569207,
title = {Field Aging Testbed for Behind-the-Meter PV + Energy Storage},
author = {Deline, Christopher A and Jenket, Don and Sekulic, William R and Jordan, Dirk and DiOrio, Nicholas A and Smith, Kandler A},
abstractNote = {Small DC-coupled battery test systems are deployed at NREL to evaluate capacity fade models and report on performance parameters such as round-trip efficiency under indoor and outdoor deployment scenarios. Initial commercial battery products include LG Chem RESU Lithium-ion and Avalon vanadium-redox flow batteries. Adapting indoor lab-scale test methods to outdoor systems has challenges, including maintaining constant temperature and fully controlling batteries through standard discharge curves. Initial measurements show the Lithium Ion battery systems performing within expectation, near 85% round-trip efficiency. Initial lifetime modeling and measurements indicate battery capacity may degrade by 20%-35% over 10 years.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {9}
}

Conference:
Other availability
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