TY - JOUR
T1 - Electrochemical characteristics of 0.3Li2MnO3–0.7LiMn1.5Ni0.5O4 composite cathode in pyrrolidinium-based ionic liquid electrolytes
AU - Dahiya, P. P.
AU - Patra, Jagabandhu
AU - Chang, Jeng Kuei
AU - Sahoo, Kirtan
AU - Majumder, S. B.
AU - Basu, S.
N1 - Funding Information:
One of the author S. Basu gratefully acknowledges the financial support from the Department of Science and Technology – Women Scientists Scheme (WOS-A) fellowship (vide SR/WOS A/PS 27/2013 dated 08-01-2014). S. B. Majumder wishes to acknowledge partial financial support through IMPRINT project supported by MHRD and DRDO (vide F.No.:3–18/2015-T.S.-I (vol.IV) dated 17-05-2017).
Funding Information:
One of the author S. Basu gratefully acknowledges the financial support from the Department of Science and Technology ? Women Scientists Scheme (WOS-A) fellowship (vide SR/WOS A/PS 27/2013 dated 08-01-2014). S. B. Majumder wishes to acknowledge partial financial support through IMPRINT project supported by MHRD and DRDO (vide F.No.:3?18/2015-T.S.-I (vol.IV) dated 17-05-2017).
Funding Information:
One of the author S. Basu gratefully acknowledges the financial support from the Department of Science and Technology – Women Scientists Scheme (WOS-A) fellowship (vide SR/WOS A/PS 27/2013 dated 08-01-2014). S. B. Majumder wishes to acknowledge partial financial support through IMPRINT project supported by MHRD and DRDO (vide F.No.: 3 – 18/2015-T.S.-I (vol.IV) dated 17-05-2017).
PY - 2019/2
Y1 - 2019/2
N2 - In this work, we have compared the electrochemical characteristics of auto combustion synthesized 0.3Li2MnO3–0.7LiMn1.5Ni0.5O4 composite cathode using conventional organic electrolyte and Li+/PMP-TFSI (N-propyl-N-methyl pyrrolidinium-bis(trifluoromethanesulfonyl) imide) ionic liquid (IL) at 25 °C and 60 °C. At 60 °C, IL electrolyte yields superior specific discharge capacity, cycleability, rate performance and voltage fading characteristics of the composite cathode. We have argued that the superiority of IL electrolyte is related to its relatively higher decomposition temperature. The effect of ILs on the cycle induced layered to nickel free spinel phase transformation in the composite cathode is also investigated by post cycling XRD.
AB - In this work, we have compared the electrochemical characteristics of auto combustion synthesized 0.3Li2MnO3–0.7LiMn1.5Ni0.5O4 composite cathode using conventional organic electrolyte and Li+/PMP-TFSI (N-propyl-N-methyl pyrrolidinium-bis(trifluoromethanesulfonyl) imide) ionic liquid (IL) at 25 °C and 60 °C. At 60 °C, IL electrolyte yields superior specific discharge capacity, cycleability, rate performance and voltage fading characteristics of the composite cathode. We have argued that the superiority of IL electrolyte is related to its relatively higher decomposition temperature. The effect of ILs on the cycle induced layered to nickel free spinel phase transformation in the composite cathode is also investigated by post cycling XRD.
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U2 - 10.1016/j.jtice.2018.06.038
DO - 10.1016/j.jtice.2018.06.038
M3 - Article
AN - SCOPUS:85050981986
SN - 1876-1070
VL - 95
SP - 195
EP - 201
JO - Journal of the Taiwan Institute of Chemical Engineers
JF - Journal of the Taiwan Institute of Chemical Engineers
ER -