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Energy storage devices having anodes containing Mg and electrolytes utilized therein

Patent ·
OSTI ID:1210222
;
For a metal anode in a battery, the capacity fade is a significant consideration. In energy storage devices having an anode that includes Mg, the cycling stability can be improved by an electrolyte having a first salt, a second salt, and an organic solvent. Examples of the organic solvent include diglyme, triglyme, tetraglyme, or a combination thereof. The first salt can have a magnesium cation and be substantially soluble in the organic solvent. The second salt can enhance the solubility of the first salt and can have a magnesium cation or a lithium cation. The first salt, the second salt, or both have a BH.sub.4 anion.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
9,112,243
Application Number:
13/858,764
OSTI ID:
1210222
Country of Publication:
United States
Language:
English

References (3)

Electrochemical properties of magnesium electrolyte with organic solvent journal November 2007
Electrolyte Solutions for Rechargeable Magnesium Batteries Based on Organomagnesium Chloroaluminate Complexes journal January 2002
Magnesium Borohydride: From Hydrogen Storage to Magnesium Battery journal August 2012

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25 ENERGY STORAGE