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公开(公告)号：US20230094818A1
公开(公告)日：2023-03-30
申请号：US18058921
申请日：2022-11-28
Inventor： TATSUYA OSHIMA , YUSUKE NISHIO , SEIJI NISHIYAMA , KAZUFUMI MIYATAKE , AKINOBU MIYAZAKI
IPC: H01M10/0562
Abstract: A solid electrolyte composition includes a solvent and a solid electrolyte dispersed in the solvent. The solid electrolyte includes a halide solid electrolyte. The solvent has a polar component δp of Hansen solubility parameters that is greater than 0 and less than 5.9. The halide solid electrolyte contains Li, M1, and X1. M1 is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X1 is at least one selected from the group consisting of F, Cl, Br, and I.
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公开(公告)号：US20230093960A1
公开(公告)日：2023-03-30
申请号：US18051873
申请日：2022-11-01
Inventor： YUSUKE NISHIO , YOSHIMASA NAKAMA
IPC: H01M4/525 , H01M4/62 , H01M10/0562 , H01M10/052 , C01G53/00 , C01F17/36
Abstract: The positive electrode active material of the present disclosure includes a complex oxide represented by a formula (1): LiNixMe1-xO2 as a main component and contains water generated during heating at 300° C. in Karl Fischer titration in an amount of 317.5 ppm by mass or less. Here, x satisfies 0.5 ≤ x ≤ 1, and Me is at least one element selected from the group consisting of Mn, Co, and Al.
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公开(公告)号：US20230044223A1
公开(公告)日：2023-02-09
申请号：US17930107
申请日：2022-09-07
Inventor： TAKASHI KUBO , KAZUFUMI MIYATAKE , YOHEI HAYASHI , YUSUKE NISHIO , AKIHIRO SAKAI
IPC: C01F17/253 , C01C1/16 , C01D15/04 , C01F11/20
Abstract: The production method of the present disclosure includes heat-treating a material mixture containing a compound containing Y, a compound containing Gd, NH4α, Liβ, and Caγ2 in an inert gas atmosphere. The compound containing Y is at least one selected from the group consisting of Y2O3 and Yδ3, and the compound containing Gd is at least one selected from the group consisting of Gd2O3 and Gdε3. The material mixture contains at least one selected from the group consisting of Y2O3 and Gd2O3, and α, β, γ, δ, and ε are each independently at least one selected from the group consisting of F, Cl, Br, and I.
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公开(公告)号：US20230023022A1
公开(公告)日：2023-01-26
申请号：US17933100
申请日：2022-09-17
Inventor： KAZUFUMI MIYATAKE , YUSUKE NISHIO , TAKASHI KUBO , TETSUYA ASANO , AKIHIRO SAKAI
IPC: H01M10/0562 , H01M10/0525
Abstract: The solid electrolyte material of the present disclosure is made of Li, Ca, Y, Gd, X, and O, where X is at least one selected from the group consisting of F, Cl, Br, and I; and the molar ratio of O to the sum of Y and Gd is greater than O and 0.51 or less.
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公开(公告)号：US20230008629A1
公开(公告)日：2023-01-12
申请号：US17931561
申请日：2022-09-13
Inventor： KAZUFUMI MIYATAKE , YUSUKE NISHIO , TAKASHI KUBO , TETSUYA ASANO , AKIHIRO SAKAI
IPC: H01M10/0562 , H01M10/0525
Abstract: The solid electrolyte material of the present disclosure includes Li, Ca, Y, Sm, X, O, and H, wherein, X is at least one selected from the group consisting of F, Cl, Br, and I; and the molar ratio of O to the sum of Y and Sm is greater than 0 and less than 0.32.
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Patent Agency Ranking
公开(公告)号：US20220285721A1
公开(公告)日：2022-09-08
申请号：US17664514
申请日：2022-05-23
Inventor： KAZUFUMI MIYATAKE , YUSUKE NISHIO , TAKASHI KUBO
IPC: H01M10/056
Abstract: A solid electrolyte composition according to the present disclosure includes a halide solid electrolyte material and an organic solvent. The halide solid electrolyte material has an average particle size of less than or equal to 1 μm. The organic solvent consists of at least one selected from the group consisting of a compound having a functional group and a hydrocarbon. The functional group includes at least one selected from the group consisting of an ether group and a halogen group.
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公开(公告)号：US20220102755A1
公开(公告)日：2022-03-31
申请号：US17548695
申请日：2021-12-13
Inventor： KAZUFUMI MIYATAKE , YUSUKE NISHIO , TAKASHI KUBO , TETSUYA ASANO , AKIHIRO SAKAI
IPC: H01M10/0562 , H01M4/04
Abstract: A solid-electrolyte material includes Li, Y, X, O, and H. X is at least two elements selected from the group consisting of F, Cl, Br, and I.
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公开(公告)号：US20210328262A1
公开(公告)日：2021-10-21
申请号：US17333047
申请日：2021-05-28
Inventor： YUSUKE NISHIO , AKIHIRO SAKAI , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M10/0525
Abstract: The present disclosure provides a solid electrolyte composition that can suppress deterioration in ion conductivity of an ionic solid electrolyte material. The solid electrolyte composition according to the present disclosure contains a sulfur element-free ionic solid electrolyte material and an organic solvent, where the organic solvent includes at least one selected from the group consisting of a hydrocarbon and a compound having a functional group; and the functional group is at least one selected from the group consisting of an ether group, a halogen group, and a Si—O—C group.
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公开(公告)号：US20210269323A1
公开(公告)日：2021-09-02
申请号：US17323920
申请日：2021-05-18
Inventor： TAKASHI KUBO , YUSUKE NISHIO , AKIHIRO SAKAI , AKINOBU MIYAZAKI
IPC: C01F17/271 , C01F17/36 , H01M10/0525 , H01M10/0562
Abstract: A method for producing a halide includes heat-treating a mixed material in an inert gas atmosphere, the mixed material being a mixture of (NH4)aMX3+a and LiZ. The M includes at least one element selected from the group consisting of Y, a lanthanoid, and Sc. The X is at least one element selected from the group consisting of Cl, Br, I, and F. The Z is at least one element selected from the group consisting of Cl, Br, I, and F. Furthermore, 0
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公开(公告)号：US20210261426A1
公开(公告)日：2021-08-26
申请号：US17317947
申请日：2021-05-12
Inventor： YUSUKE NISHIO , TAKASHI KUBO , AKIHIRO SAKAI , AKINOBU MIYAZAKI
IPC: C01D15/04 , C01F17/265 , H01M10/0525 , H01M10/0562
Abstract: A production method for producing a halide includes a heat-treatment step of heat-treating, in an inert gas atmosphere, a mixed material in which LiBr and YBr3 are mixed. In the heat-treatment step, 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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