TY - JOUR
T1 - Radical or Not Radical
T2 - Revisiting Lithium-Sulfur Electrochemistry in Nonaqueous Electrolytes
AU - Cuisinier, Marine
AU - Hart, Connor
AU - Balasubramanian, Mahalingam
AU - Garsuch, Arnd
AU - Nazar, Linda F.
N1 - Publisher Copyright:
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
PY - 2015/8/1
Y1 - 2015/8/1
N2 - Tracking down trisulfur radical in lithium-sulfur batteries is reported. In nonaqueous electrolytes, dissociation of polysulfide dianions to radicals, and particularly trisulfur S3·-, is believed to play a key role in the performance of lithium sulfur batteries. While S3·- exists in only minor concentration in glymes, exacerbated dissociation in donor solvents allows full utilization of both sulfur and lithium sulfide.
AB - Tracking down trisulfur radical in lithium-sulfur batteries is reported. In nonaqueous electrolytes, dissociation of polysulfide dianions to radicals, and particularly trisulfur S3·-, is believed to play a key role in the performance of lithium sulfur batteries. While S3·- exists in only minor concentration in glymes, exacerbated dissociation in donor solvents allows full utilization of both sulfur and lithium sulfide.
KW - electrolytes
KW - in situ X-ray absorption spectroscopy
KW - lithium-sulfur batteries
KW - trisulfur radicals
UR - http://www.scopus.com/inward/record.url?scp=84940435623&partnerID=8YFLogxK
U2 - 10.1002/aenm.201401801
DO - 10.1002/aenm.201401801
M3 - Article
AN - SCOPUS:84940435623
SN - 1614-6832
VL - 5
JO - Advanced Energy Materials
JF - Advanced Energy Materials
IS - 16
M1 - 1401801
ER -