P R E S E N T E D B Y

Sandia National Laboratories is a multimissionlaboratory managed and operated by National

Technology & Engineering Solutions of Sandia, LLC, a wholly owned subsidiary of Honeywell

International Inc., for the U.S. Department of Energy’s National Nuclear Security Administration

under contract DE-NA0003525.

Sandia National Laboratories

Energy Storage R&D Program Update

D a n B or n eo – S a n d i a Na t i on a l L ab ora to r i e s

SAND2020-1683 C

Researching Materials Innovations to Enable Safe, Low-Cost, Long Cycle Life Grid-Scale Batteries

cathodereservoir

anode reservoir

cell

pumpelectrode

load or power source

separator

Zn-MnO2

820 mAh/g616 mAh/g

MnO2 Zn

• Exploring safe new cathode chemistries to reduce temperature. from ~300oC to ~100oC

• Developing robust, selective, zero-crossover solid state separators.

• Optimize cell design for low temperature operation.

Low Temperature Molten Sodium Batteries

Aqueous and Non-aqueous Redox Flow Batteries

• Innovating separators for reduced crossover and high conductivity.

• Investigating low cost, high energy density, stable active materials.

• Uncovering integrated material interactions governing battery performance.

• Improving stable utilization of MnO2 cathodes and Zn anodes for high capacity, long-lifetime.

• Extending battery life with reduced crossover separators.

• Advancing manufacturing science for large-scale production.

Rechargeable Alkaline Zn-MnO2 Batteries

Demonstration Projects

4

Eugene Water and Electric Board (EWEB)

California Energy Commission(CEC)

Cordova Electric

HELCO/NELHA

Electric Power BoardOf Chattanooga(EPB)

International Projects:• Singapore - EMA

Helix

Anza Elect Power at Anza, Ca.

ABQ Public Schools

Navajo Tribal Utility Authority(NTUA)

Gunnison County Electric Association (GCEA)

Sandia National Laboratories

Santa Fe Community College

PR

Roanoke Electric Co-op

Homer Electric Association

Alliant Energy

Villalba

NMSU

Az.PS

FY20 – 20 Projects

GMP

St. Mary’s

Contact Information

5

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Daniel Borneo drborne@sandia.govThis work is supported by Dr. Imre Gyuk through the Department of Energy - Office of Electricity.