Material/element-dependent fluorescence-yield modes on soft X-ray absorption spectroscopy of cathode materials for Li-ion batteries

被引：57

作者：

Asakura, Daisuke ^{[1
]}

Hosono, Eiji ^{[1
]}

Nanba, Yusuke ^{[1
,11
]}

Zhou, Haoshen ^{[1
]}

Okabayashi, Jun ^{[2
]}

Ban, Chunmei ^{[3
]}

Glans, Per-Anders ^{[4
]}

Guo, Jinghua ^{[4
,5
]}

Mizokawa, Takashi ^{[6
,12
]}

Chen, Gang ^{[7
]}

Achkar, Andrew J. ^{[8
]}

Hawthron, David G. ^{[8
]}

Regier, Thomas Z. ^{[9
]}

Wadati, Hiroki ^{[10
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Energy Technol Res Inst, Tsukuba, Ibaraki 3058568, Japan

[2] Univ Tokyo, Res Ctr Spectrochem, Bunkyo Ku, Tokyo 1130033, Japan

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

[4] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA

[5] Univ Calif Santa Cruz, Dept Chem & Biochem, Santa Cruz, CA 95064 USA

[6] Univ Tokyo, Dept Complex Sci & Engn, Kashiwa, Chiba 2778561, Japan

[7] Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China

[8] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

[9] Univ Saskatchewan, Canadian Light Source, Saskatoon, SK S7N 0X4, Canada

[10] Univ Tokyo, Solar Energy Res Inst, Kashiwa, Chiba 2778581, Japan

[11] Kyushu Univ, Inamori Frontier Res Ctr, Fukuoka 8190395, Japan

[12] Waseda Univ, Dept Appl Phys, Tokyo 1698555, Japan

来源：

AIP ADVANCES | 2016年 / 6卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

DARK CHANNEL FLUORESCENCE; CHARGE-TRANSFER; LIXFEPO4; DIPS;

D O I：

10.1063/1.4943673

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We evaluate the utilities of fluorescence-yield (FY) modes in soft X-ray absorption spectroscopy (XAS) of several cathode materials for Li-ion batteries. In the case of total-FY (TFY) XAS for LiNi0.5Mn1.5O4, the line shape of the Mn L-3-edge XAS was largely distorted by the self-absorption and saturation effects, while the distortions were less pronounced at the Ni L-3 edge. The distortions were suppressed for the inverse-partial-FY (IPFY) spectra. We found that, in the cathode materials, the IPFY XAS is highly effective for the Cr, Mn, and Fe L edges and the TFY and PFY modes are useful enough for the Ni L edge which is far from the O K edge. (C) 2016 Author(s).

引用

页数：8

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