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Andrei Dolocan
University of Texas at Austin
47Publications
18H-index
1,212Citations
Publications 47
Newest
Published on Jun 25, 2019in Advanced Energy Materials24.88
Wangda Li11
Estimated H-index: 11
(University of Texas at Austin),
Andrei Dolocan18
Estimated H-index: 18
(University of Texas at Austin)
+ 2 AuthorsArumugam Manthiram98
Estimated H-index: 98
(University of Texas at Austin)
Robert J. Bodnar51
Estimated H-index: 51
,
Andrei Dolocan18
Estimated H-index: 18
+ 4 AuthorsZ. Rahman8
Estimated H-index: 8
Published on Jan 9, 2019in Nano Letters12.28
Ya You23
Estimated H-index: 23
(University of Texas at Austin),
Andrei Dolocan18
Estimated H-index: 18
(University of Texas at Austin)
+ 1 AuthorsArumugam Manthiram98
Estimated H-index: 98
(University of Texas at Austin)
Undesired reactions between layered sodium transition-metal oxide cathodes and air impede their utilization in practical sodium-ion batteries. Consequently, a fundamental understanding of how layered oxide cathodes degrade in air is of paramount importance, but it has not been fully understood yet. Here a comprehensive study on a model material NaNi0.7Mn0.15Co0.15O2 reveals its reaction chemistry with air and the dynamic evolution of the degradation species upon air exposure. We find that beside...
Published on Jan 1, 2019in Journal of Materials Chemistry10.73
Melissa L. Meyerson2
Estimated H-index: 2
(University of Texas at Austin),
Jonathan K. Sheavly1
Estimated H-index: 1
(University of Texas at Austin)
+ 7 AuthorsC. Buddie Mullins49
Estimated H-index: 49
With more than 10 times the capacity of the graphite used in current commercial batteries, lithium metal is ideal for a high-capacity battery anode; however, lithium metal electrodes suffer from safety and efficiency problems that prevent their wide industrial adoption. Their intrinsic high reactivity towards most liquid organic electrolytes leads to lithium loss and dendrite growth, which result in poor efficiency and short circuiting. However, the multitude of factors that contribute to dendri...
Published on Jan 1, 2019in Journal of Materials Chemistry10.73
Ho-Hyun Sun3
Estimated H-index: 3
(University of Texas at Austin),
Andrei Dolocan18
Estimated H-index: 18
(University of Texas at Austin)
+ 3 AuthorsC. B. Mullins14
Estimated H-index: 14
(University of Texas at Austin)
The performance of the rechargeable Li metal battery anode is limited by the poor ionic conductivity and poor mechanical properties of its solid-electrolyte interphase (SEI) layer. To overcome this, a 3:1 v/v ethyl methyl carbonate (EMC) : fluoroethylene carbonate (FEC) containing 0.8 M lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) and 0.2 M lithium difluoro(oxalate)borate (LiDFOB) dual-salts with 0.05 M lithium hexafluorophosphate (LiPF6) was tested to promote the formation of a multitude...
Published on Nov 26, 2018
Rodrigo Rodriguez2
Estimated H-index: 2
(University of Texas at Austin),
Kathryn E. Loeffler2
Estimated H-index: 2
(University of Texas at Austin)
+ 4 AuthorsC. Buddie Mullins49
Estimated H-index: 49
Capacity retention of anode-free cells, in which the cathode’s lithium was the sole lithium source, was studied. These cells fail by depletion of their limited amount of cycling lithium, unlike cells with lithium foil anodes in which the buildup of an insulating, dead lithium layer on the anodes causes failure. The electrolyte dependence of the deposition morphologies was also studied optically in a symmetrical cell built with lithium electrodes. After passage of 28 mAh cm–2, dendrite-free depos...
Published on May 28, 2018in Angewandte Chemie12.26
Ya You23
Estimated H-index: 23
(University of Texas at Austin),
Hugo Celio15
Estimated H-index: 15
(University of Texas at Austin)
+ 2 AuthorsArumugam Manthiram98
Estimated H-index: 98
(University of Texas at Austin)
Published on May 23, 2018in Journal of the American Chemical Society14.70
Yutao Li30
Estimated H-index: 30
(University of Texas at Austin),
Xi Chen60
Estimated H-index: 60
(University of Texas at Austin)
+ 6 AuthorsJohn B. Goodenough115
Estimated H-index: 115
(University of Texas at Austin)
Garnet-structured Li7La3Zr2O12 is a promising solid Li-ion electrolyte for all-solid-state Li-metal batteries and Li-redox-flow batteries owing to its high Li-ion conductivity at room temperature and good electrochemical stability with Li metal. However, there are still three major challenges unsolved: (1) the controversial electrochemical window of garnet, (2) the impractically large resistance at a garnet/electrode interface and the fast lithium-dendrite growth along the grain boundaries of th...
Published on May 1, 2018in Advanced Energy Materials24.88
Wangda Li11
Estimated H-index: 11
(University of Texas at Austin),
Xiaoming Liu11
Estimated H-index: 11
(ORNL: Oak Ridge National Laboratory)
+ 4 AuthorsArumugam Manthiram98
Estimated H-index: 98
(University of Texas at Austin)
Published on Jan 10, 2018in Journal of the American Chemical Society14.70
Shaofei Wang7
Estimated H-index: 7
,
Henghui Xu20
Estimated H-index: 20
+ 2 AuthorsArumugam Manthiram98
Estimated H-index: 98
Benefiting from extremely high shear modulus and high ionic transference number, solid electrolytes are promising candidates to address both the dendrite-growth and electrolyte-consumption problems inherent to the widely adopted liquid-phase electrolyte batteries. However, solid electrolyte/electrode interfaces present high resistance and complicated morphology, hampering the development of solid-state battery systems, while requiring advanced analysis for rational improvement. Here, we employ a...
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