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公开(公告)号:US20210391594A1
公开(公告)日:2021-12-16
申请号:US17460125
申请日:2021-08-27
Inventor: TAKASHI KUBO , TETSUYA ASANO , AKINOBU MIYAZAKI , AKIHIRO SAKAI
IPC: H01M10/0562
Abstract: The present disclosure provides a solid electrolyte material having a high lithium ion conductivity. The solid electrolyte material according to the present disclosure includes Li, Zr, Y, M, and X. M is at least one element selected from the group consisting of Nb and Ta. X is at least one element selected from the group consisting of Cl and Br.
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公开(公告)号:US20210359340A1
公开(公告)日:2021-11-18
申请号:US17388346
申请日:2021-07-29
Inventor: YUSUKE NISHIO , AKIHIRO SAKAI , TETSUYA ASANO , MASASHI SAKAIDA , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M10/0525
Abstract: An electrolyte material is represented by Li4-3a-cbAlaMbFxClyBr4-x-y, wherein M is at least one selected from the group consisting of Mg, Ca, and Zr; c represents a valence of M; and the following five inequalities are satisfied: 0
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公开(公告)号:US20210328261A1
公开(公告)日:2021-10-21
申请号:US17326388
申请日:2021-05-21
Inventor: TETSUYA ASANO , MASASHI SAKAIDA , AKIHIRO SAKAI , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M4/583 , H01M10/0525 , H01M4/04
Abstract: A solid electrolyte material of the present disclosure includes a crystal phase represented by Lia(Ca1-mMm)bXc. In the formula, M is at least one element selected from the group consisting of Mg, Sr, and Ba. X is at least one element selected from the group consisting of F, Cl, Br, and I. The following formulas are satisfied: a>0, b>0, c>0, and 0≤m
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公开(公告)号:US20210269320A1
公开(公告)日:2021-09-02
申请号:US17323925
申请日:2021-05-18
Inventor: TAKASHI KUBO , YUSUKE NISHIO , KOKI UENO , AKIHIRO SAKAI , AKINOBU MIYAZAKI
IPC: C01D15/04
Abstract: A production method for producing a halide includes heat-treating, in an inert gas atmosphere, a mixed material in which LiX, YZ3, and at least one of LiX′ or YZ′3 are mixed, where X is an element selected from the group consisting of Cl, Br, and I; Z is an element selected from the group consisting of Cl, Br, and I and different from X; X is an element selected from the group consisting of Cl, Br, and I and different from either X or Z; and Z′ is an element selected from the group consisting of Cl, Br, and I and different from either X or Z. In the heat-treatment, the mixed material is heat-treated at higher than or equal to 200° C. and lower than or equal to 650° C.
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公开(公告)号:US20210126284A1
公开(公告)日:2021-04-29
申请号:US17117192
申请日:2020-12-10
Inventor: MASASHI SAKAIDA , TETSUYA ASANO , AKIHIRO SAKAI , YUSUKE NISHIO , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M4/62 , H01M10/0525 , C01G25/00
Abstract: A halide solid electrolyte material according to the present disclosure is represented by the chemical formula Li6-4b+2ab(Zr1-aMa)bX6 (I), wherein M denotes at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn, X denotes at least one halogen element, and two mathematical formulae 0
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公开(公告)号:US20210098825A1
公开(公告)日:2021-04-01
申请号:US17120145
申请日:2020-12-12
Inventor: MASASHI SAKAIDA , YUSUKE NISHIO , TETSUYA ASANO , AKIHIRO SAKAI , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M10/0525
Abstract: A solid electrolyte material according to the present disclosure is represented by the chemical formula Li6−4b+ab(Zr1−aMa)bX6 (I). M denotes at least one element selected from the group consisting of Al, Ga, Bi, Sc, Sm, and Sb, X denotes at least one halogen element, and the two mathematical formulae 0
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公开(公告)号:US20200350623A1
公开(公告)日:2020-11-05
申请号:US16930996
申请日:2020-07-16
Inventor: IZURU SASAKI , AKIHIRO SAKAI , YUTA SUGIMOTO , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M4/1315 , H01M4/505 , H01M4/525
Abstract: Provided is a battery including a positive electrode including a first positive electrode layer and a second positive electrode layer; a negative electrode; and an electrolyte layer. The first positive electrode layer includes a first positive electrode active material, a first solid electrolyte material, and a coating material. The second positive electrode layer includes a second positive electrode active material and the first solid electrolyte material. The first solid electrolyte material includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium; and at least one kind selected from the group consisting of chlorine and bromine. The first solid electrolyte material does not include sulfur.
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公开(公告)号:US20200350615A1
公开(公告)日:2020-11-05
申请号:US16929299
申请日:2020-07-15
Inventor: MASASHI SAKAIDA , TETSUYA ASANO , AKIHIRO SAKAI , YUSUKE NISHIO , AKINOBU MIYAZAKI , SHINYA HASEGAWA
IPC: H01M10/056 , H01M10/0525 , H01M4/13 , C01G25/04
Abstract: Provide is a solid electrolyte material consisting of Li, M, X, and F, wherein M is Y, or includes Y and at least one kind selected from the group consisting of metalloid elements and metal elements other than Li; X is at least one kind selected from the group consisting of Cl, Br, and I; two or more peaks are present within a range where a value of a diffraction angle 2θ is not less than 24° and not more than 35° in an X-ray diffraction pattern of the solid electrolyte material using Cu-Kα as a radiation source; one or more peaks are present within a range where the value of the diffraction angle 2θ is not less than 40° and less than 48° in the X-ray diffraction pattern of the solid electrolyte material using Cu-Kα as the radiation source; and two or more peaks are present within a range where the value of the diffraction angle 2θ is not less than 48° and not more than 59° in the X-ray diffraction pattern of the solid electrolyte material using Cu-Kα as the radiation source.
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公开(公告)号:US20200328460A1
公开(公告)日:2020-10-15
申请号:US16911707
申请日:2020-06-25
Inventor: TETSUYA ASANO , AKIHIRO SAKAI , YUSUKE NISHIO , MASASHI SAKAIDA , AKINOBU MIYAZAKI , SHINYA HASEGAWA
IPC: H01M10/0562
Abstract: A solid electrolyte material contains Li, Y, at least one selected from the group consisting of Mg, Ca, Sr, Ba, Zn, Sc, La, Sm, Bi, Zr, Hf, Nb, and Ta, and at least one selected from the group consisting of Cl, Br, and I. An X-ray diffraction pattern of the solid electrolyte material obtained by using Cu-Kα radiation as the X-ray source includes peaks within the range in which the diffraction angle 2θ is 25° or more and 35° or less, and also includes at least one peak within the range in which the diffraction angle 2θ is 43° or more and 51° or less.
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公开(公告)号:US20200212481A1
公开(公告)日:2020-07-02
申请号:US16816278
申请日:2020-03-12
Inventor: KENTA NAGAMINE , AKIHIRO SAKAI , TETSUYA ASANO
IPC: H01M10/0562 , H01M10/0525 , C01F17/36
Abstract: Provided is a solid electrolyte material represented by the following composition formula (1): Li3−3d(Y1−xMx)1+dX6 Formula (1) where M is an element having an ionic radius larger than that of Y; X is at least one kind of element selected from the group consisting of F, Cl, Br and I; 0
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