Monitoring LixFeSO4F (x = 1, 0.5, 0) Phase Distributions in Operando To Determine Reaction Homogeneity in Porous Battery Electrodes

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Fältnamn	Indikatorer	Metadata
000		03339naa a2200337 4500
001		oai:DiVA.org:uu-338351
003		SwePub
008		180108s2017 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3383512 URI
024	7	a https://doi.org/10.1021/acs.chemmater.7b010192 DOI
040		a (SwePub)uu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Blidberg, Andreas,d 1987-u Uppsala universitet,Strukturkemi4 aut0 (Swepub:uu)andbl833
245	1 0	a Monitoring LixFeSO4F (x = 1, 0.5, 0) Phase Distributions in Operando To Determine Reaction Homogeneity in Porous Battery Electrodes
264		c 2017-08-25
264	1	b American Chemical Society,c 2017
338		a print2 rdacarrier
520		a Increasing the energy and power density simultaneously remains a major challenge for improving electrochemical energy storage devices such as Li-ion batteries. Understanding the underlying processes in operating electrodes is decisive to improve their performance. Here, an extension of an in operando X-ray diffraction technique is presented, wherein monitoring the degree of coexistence between crystalline phases in multiphase systems is used to investigate reaction homogeneity in Li-ion batteries. Thereby, a less complicated experimental setup using commercially available laboratory equipment could be employed. By making use of the intrinsic structural properties of tavorite type LiFeSO4F, a promising cathode material for Li-ion batteries, new insights into its nonequilibrium behavior are gained. Differences in the reaction mechanism upon charge and discharge are shown; the influence of adequate electronic wiring for the cycling stability is demonstrated, and the effect of solid state transport on rate performance is highlighted. The methodology is an alternative and complementary approach to the expensive and demanding techniques commonly employed for time-resolved studies of structural changes in operating battery electrodes. The multiphase behavior of LiFeSO4F is commonly observed for other insertion type electrode materials, making the methodology transferable to other new energy storage materials. By expanding the possibilities for investigating complex processes in operating batteries to a larger community, faster progress in both electrode development and fundamental material research can be realized.
650	7	a NATURVETENSKAPx Kemix Materialkemi0 (SwePub)104032 hsv//swe
650	7	a NATURAL SCIENCESx Chemical Sciencesx Materials Chemistry0 (SwePub)104032 hsv//eng
700	1	a Gustafsson, Torbjörn,d 1949-u Uppsala universitet,Strukturkemi4 aut0 (Swepub:uu)tgu19364
700	1	a Tengstedt, Carlu Scania CV AB, Södertälje, Sweden4 aut0 (Swepub:uu)carte429
700	1	a Björefors, Fredrik,d 1971-u Uppsala universitet,Strukturkemi4 aut0 (Swepub:uu)fbj01617
700	1	a Brant, William R.u Uppsala universitet,Strukturkemi4 aut0 (Swepub:uu)wilbr976
710	2	a Uppsala universitetb Strukturkemi4 org
773	0	t Chemistry of Materialsd : American Chemical Societyg 29:17, s. 7159-7169q 29:17<7159-7169x 0897-4756x 1520-5002
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-338351
856	4 8	u https://doi.org/10.1021/acs.chemmater.7b01019

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Av författaren/redakt...: Blidberg, Andrea ...; Gustafsson, Torb ...; Tengstedt, Carl; Björefors, Fredr ...; Brant, William R ...

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