Patents by Inventor Akihiro Sakai

Akihiro Sakai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11411247
    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<x?1; and ?0.15?d?0.15.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: August 9, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenta Nagamine, Akihiro Sakai, Tetsuya Asano
  • Patent number: 11404718
    Abstract: Provided is a solid electrolyte material represented by the following composition formula (1) Li3?3??aY1+??aMaCl6?x?yBrxIy??Formula (1) where M is one or more kinds of elements selected from the group consisting of Zr, Hf, and Ti; ?1<?<2; 0<a<1.5; 0<(3?3??a); 0<(1+??a); 0?x?6; 0?y?6; and (x+y)?6.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: August 2, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Akihiro Sakai, Tetsuya Asano, Masashi Sakaida, Yusuke Nishio, Akinobu Miyazaki, Shinya Hasegawa
  • Publication number: 20220209291
    Abstract: A solid electrolyte material includes Li, Ca, Y, Gd, and X wherein X is at least one element selected from the group consisting of F, Cl, Br, and I. A battery uses the solid electrolyte material.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Inventors: TAKASHI KUBO, KENTA NAGAMINE, KEITA MIZUNO, TETSUYA ASANO, AKIHIRO SAKAI
  • Publication number: 20220209287
    Abstract: The battery includes a positive electrode, a first electrolyte layer, a second electrolyte layer, and a negative electrode arranged in this order. The first electrolyte layer contains a first solid electrolyte material and a second solid electrolyte material. In the first electrolyte layer, the mass ratio of the second solid electrolyte material to the first solid electrolyte material is greater than 0.05 and less than 1. The second electrolyte layer contains the second solid electrolyte material. The first solid electrolyte material is formed of Li, M, O, and X. In the first solid electrolyte material, M is at least one element selected from the group consisting of metal elements other than Li, and metalloids, and X is at least one element selected from the group consisting of Cl, Br, and I. The second solid electrolyte material has a composition different from that of the first solid electrolyte material.
    Type: Application
    Filed: March 17, 2022
    Publication date: June 30, 2022
    Inventors: YOSHIAKI TANAKA, TETSUYA ASANO, AKIHIRO SAKAI
  • Publication number: 20220209290
    Abstract: The solid electrolyte material of the present disclosure includes Li, M, O, X, and F. M is at least one element selected from the group consisting of Ta and Nb. X is at least one element selected from the group consisting of Cl, Br, and I.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Inventors: KAORI TAKEUCHI, YOSHIAKI TANAKA, KOKI UENO, TETSUYA ASANO, AKIHIRO SAKAI
  • Publication number: 20220109185
    Abstract: A solid electrolyte material according to an aspect of the present disclosure is represented by the following Compositional Formula (1): Li6-3zYzX6 where, 0<z<2 is satisfied; and X represents Cl or Br.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 7, 2022
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tetsuya ASANO, Akihiro SAKAI, Satoru OHUCHI, Masashi SAKAIDA, Akinobu MIYAZAKI, Shinya HASEGAWA
  • Publication number: 20220102755
    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.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventors: KAZUFUMI MIYATAKE, YUSUKE NISHIO, TAKASHI KUBO, TETSUYA ASANO, AKIHIRO SAKAI
  • Publication number: 20220102753
    Abstract: A battery is equipped with a positive electrode, a first electrolyte layer, a second electrolyte layer, and a negative electrode arranged in this order, in which the first electrolyte layer contains a first solid electrolyte material, the second electrolyte layer contains a second solid electrolyte material different from the first solid electrolyte material, the first solid electrolyte material is represented by chemical formula (1): Li?M?O?V? where ?, ?, ?, and ? are all greater than 0, M is at least one element selected from the group consisting of metal elements other than Li, and metalloids, X is at least one element selected from the group consisting of Cl, Br, and I, and a reduction potential of the second solid electrolyte material is lower than a reduction potential of the first solid electrolyte material.
    Type: Application
    Filed: December 9, 2021
    Publication date: March 31, 2022
    Inventors: Yoshiaki Tanaka, Izuru Sasaki, Tetsuya Asano, Akihiro Sakai
  • Publication number: 20220102754
    Abstract: A solid-electrolyte material includes Li, Y, O, and X. X is at least two elements selected from the group consisting of F, Cl, Br, and I. O is present in a surface region of the solid-electrolyte material.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventors: YUSUKE NISHIO, KAZUFUMI MIYATAKE, TAKASHI KUBO, TETSUYA ASANO, AKIHIRO SAKAI
  • Patent number: 11239492
    Abstract: A solid electrolyte material according to an aspect of the present disclosure is represented by the following Compositional Formula (1): Li6-3zYzX6 where, 0<z<2 is satisfied; and X represents Cl or Br.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: February 1, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tetsuya Asano, Akihiro Sakai, Satoru Ohuchi, Masashi Sakaida, Akinobu Miyazaki, Shinya Hasegawa
  • Publication number: 20210408586
    Abstract: The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material of the present disclosure includes Li, M1, M2 and X, and has a spinel structure. M1 is at least one element selected from the group consisting of Mg and Zn. M2 is at least one element selected from the group consisting of Al, Ga, Y, In and Bi. X is at least one element selected from the group consisting of F, Cl, Br and I.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Inventors: KOKI UENO, AKIHIRO SAKAI, AKINOBU MIYAZAKI
  • Publication number: 20210408585
    Abstract: The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material of the present disclosure includes Li, M and X. M is at least one element selected from the group consisting of Mg, Zn and Cd. X is at least two elements selected from the group consisting of Cl, Br and I.
    Type: Application
    Filed: September 9, 2021
    Publication date: December 30, 2021
    Inventors: KOKI UENO, MASASHI SAKAIDA, AKIHIRO SAKAI, AKINOBU MIYAZAKI
  • Publication number: 20210391595
    Abstract: The present disclosure provides a solid electrolyte material having a high lithium ion conductivity. The solid electrolyte material according to the present disclosure consists essentially of Li, Zr, Y, M, and X. M is at least one element selected from the group consisting of Al, Ga, In, Sc, and Bi. X is at least one element selected from the group consisting of Cl and Br.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Inventors: TAKASHI KUBO, TETSUYA ASANO, AKINOBU MIYAZAKI, AKIHIRO SAKAI
  • Publication number: 20210391594
    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.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: TAKASHI KUBO, TETSUYA ASANO, AKINOBU MIYAZAKI, AKIHIRO SAKAI
  • Publication number: 20210391593
    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, W, and X. X is at least one element selected from the group consisting of Cl and Br.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: TAKASHI KUBO, TETSUYA ASANO, AKINOBU MIYAZAKI, AKIHIRO SAKAI
  • Publication number: 20210359340
    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<a<1.33, 0?b <2, 0<x<4, 0?y<4, and (x+y)?4.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 18, 2021
    Inventors: YUSUKE NISHIO, AKIHIRO SAKAI, TETSUYA ASANO, MASASHI SAKAIDA, AKINOBU MIYAZAKI
  • Publication number: 20210328261
    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<1.
    Type: Application
    Filed: May 21, 2021
    Publication date: October 21, 2021
    Inventors: TETSUYA ASANO, MASASHI SAKAIDA, AKIHIRO SAKAI, AKINOBU MIYAZAKI
  • Publication number: 20210328262
    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.
    Type: Application
    Filed: May 28, 2021
    Publication date: October 21, 2021
    Inventors: YUSUKE NISHIO, AKIHIRO SAKAI, AKINOBU MIYAZAKI
  • Publication number: 20210305625
    Abstract: A solid-electrolyte material includes a crystal phase constituted by Li, M, X, and O. M is at least one element selected from the group consisting of Mg, Ca, and Sr. X is at least two elements selected from the group consisting of F, Cl, Br, and I.
    Type: Application
    Filed: June 9, 2021
    Publication date: September 30, 2021
    Inventors: YOHEI HAYASHI, TETSUYA ASANO, MASASHI SAKAIDA, AKIHIRO SAKAI
  • Publication number: 20210296692
    Abstract: The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material according to the present disclosure has a crystal structure including a structure framework and an ion-conductive species, wherein the structure framework has a one-dimensional chain in which a plurality of polyhedrons are linearly connected to each other while sharing a corner, and each of the plurality of polyhedrons contains at least one type of cation and at least one type of anion.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Inventors: KOKI UENO, YOSHIAKI TANAKA, KAZUHIDE ICHIKAWA, TETSUYA ASANO, AKIHIRO SAKAI