In Situ Engineering of the Electrode-Electrolyte Interface for Stabilized Overlithiated Cathodes

被引：27

作者：

Evans, Tyler ^{[1
,2
]}

Piper, Daniela Molina ^{[2
]}

Sun, Huaxing ^{[3
]}

Porcelli, Timothy ^{[3
]}

Kim, Seul Cham ^{[4
]}

Han, Sang Sub ^{[4
]}

Choi, Yong Seok ^{[4
]}

Tian, Chixia ^{[5
]}

Nordlund, Dennis ^{[6
]}

Doeff, Marca M. ^{[5
]}

Ban, Chunmei ^{[7
]}

Cho, Sung-Jin ^{[8
]}

Oh, Kyu Hwan ^{[4
]}

Lee, Se-Hee ^{[1
]}

机构：

[1] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA

[2] SiILion Inc, Broomfield, CO 80020 USA

[3] Univ Colorado, Dept Chem, Boulder, CO 80309 USA

[4] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea

[5] Lawrence Berkeley Natl Lab, Energy Storage & Distributed Resources Div, Berkeley, CA 94720 USA

[6] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA

[7] Natl Renewable Energy Lab, Ctr Chem & Mat Sci, Golden, CO 80401 USA

[8] North Carolina A&T State Univ, Joint Sch Nanosci & Nanoengn, Greensboro, NC 27411 USA

来源：

ADVANCED MATERIALS | 2017年 / 29卷 / 10期

基金：

美国国家科学基金会;

关键词：

LITHIUM-ION BATTERIES; FLUOROETHYLENE CARBONATE; HIGH-CAPACITY; ELECTROCHEMICAL PERFORMANCES; OXYGEN LOSS; MECHANISM; LI2MNO3; MN; NI; SPECTROSCOPY;

D O I：

10.1002/adma.201604549

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The first-ever demonstration of stabilized Si/lithium-manganese-rich full cells, capable of retaining >90% energy over early cycling and >90% capacity over more than 750 cycles at the 1C rate (100% depth-of-discharge), is made through the utilization of a modified ionic-liquid electrolyte capable of forming a favorable cathode-electrolyte interface. [GRAPHICS] .

引用

页数：7

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