公开(公告)号：US20190326579A1

公开(公告)日：2019-10-24

申请号：US16202429

申请日：2018-11-28

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Saebom RYU ,  Yonggun LEE ,  Toshinori SUGIMOTO ,  Dongmin IM ,  Wonseok CHANG

IPC: H01M2/16 ,  H01M10/0525 ,  H01M2/14 ,  H01M10/056

Abstract: A composite separator includes: a porous substrate; and a composite electrolyte on a surface of the porous substrate, the composite electrolyte including block copolymer, an ionic liquid, and a particle, wherein a size of the particle is larger than a pore size of the porous substrate, the particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and the particle has a particle size of greater than about 1 micrometer to about 100 micrometers.

公开(公告)号：US20170365855A1

公开(公告)日：2017-12-21

申请号：US15371479

申请日：2016-12-07

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Saebom RYU ,  Yonggun LEE ,  Taehwan YU

IPC: H01M4/62 ,  H01M4/36 ,  H01M10/052 ,  H01M4/02

CPC classification number: H01M4/62 ,  H01M4/366 ,  H01M10/052 ,  H01M2004/028 ,  Y02T10/7011

Abstract: A lithium battery including a negative electrode, a protected positive electrode, and an electrolyte disposed between the negative electrode and the protected positive electrode, wherein the protected positive electrode includes a positive electrode including a positive active material, and a protective layer disposed on the positive electrode, and wherein the protective layer includes a boron-containing anion receptor and a block copolymer.

公开(公告)号：US20230327185A1

公开(公告)日：2023-10-12

申请号：US18013288

申请日：2021-12-10

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Saebom RYU ,  Youngsin PARK

IPC: H01M10/0562 ,  H01M4/04 ,  H01M4/583 ,  H01M4/40 ,  H01M4/36

CPC classification number: H01M10/0562 ,  H01M4/0404 ,  H01M2004/027 ,  H01M4/405 ,  H01M4/366 ,  H01M4/583

Abstract: Provided are a solid ion conductor represented by Formula 1 and having an argyrodite crystal structure, and a solid electrolyte and an electrochemical cell that include the solid ion conductor:


Li7-2a-b-cMaPS6-a-b-cOaX1bX2c   Formula 1

wherein, in Formula 1, M is zinc (Zn), cadmium (Cd), mercury (Hg), or a combination thereof,
X1 and X2 are each independently chlorine (Cl), bromine (Br), iodine (I), a pseudohalogen, or a combination thereof, and
conditions of 0

公开(公告)号：US20230299333A1

公开(公告)日：2023-09-21

申请号：US17909477

申请日：2021-01-26

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Shintaro KITAJIMA ,  Tomoyuki TSUJIMURA ,  Soyeon KIM ,  Hyunseok KIM ,  Saebom RYU ,  Yuichi AIHARA

IPC: H01M10/0562 ,  H01M4/04 ,  H01M4/583 ,  H01M4/40 ,  H01M4/485

CPC classification number: H01M10/0562 ,  H01M4/0404 ,  H01M4/583 ,  H01M4/405 ,  H01M4/485 ,  H01M2300/008 ,  H01M2004/028

Abstract: Disclosed herein are a solid electrolyte including a compound represented by Formula 1 below and having an argyrodite crystal structure, an electrochemical battery including the solid electrolyte, and a method of preparing the solid electrolyte.


(Li1−kMk)7−(a+b)PS6−(a+b+x)OxClaBrb  

wherein, in Formula 1, M is sodium (Na), potassium (K), calcium (Ca), iron (Fe), magnesium (Mg), silver (Ag), copper (Cu), zirconium (Zr), zinc (Zn), or a combination thereof , and
0.5≤a/b≤1.5, 0

公开(公告)号：US20230084324A1

公开(公告)日：2023-03-16

申请号：US17797917

申请日：2021-01-14

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Saebom RYU ,  Hyunseok KIM ,  Seoksoo LEE ,  Soyeon KIM ,  Shintaro KITAJIMA

IPC: H01M4/62 ,  H01M4/36 ,  H01M4/583 ,  H01M4/04 ,  H01M4/40

Abstract: Disclosed are a solid ion conductor compound represented by Formula 1, and having an argyrodite-type crystal structure, a solid electrolyte and an electrochemical cell each comprising the same, and a method of preparing the same: LixPyM1vSzM2wM3w′   where in the above formula, M1 is an element substituted at P sites and having a larger ionic radius than that of P, M2 and M3 are different elements selected from elements of Group 17 in the periodic table, and 4≤x≤8, 0

公开(公告)号：US20210135278A1

公开(公告)日：2021-05-06

申请号：US17036266

申请日：2020-09-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyunseok KIM ,  Saebom RYU ,  Seoksoo LEE ,  Soyeon KIM

IPC: H01M10/0562 ,  H01M4/36 ,  H01M4/485 ,  H01M10/052 ,  H01M10/0585 ,  C01D15/00

Abstract: A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1, LiaMxPSbBrcXd.  Formula 1 wherein Formula 1, M is Na, K, Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof; X is Cl, I, or a combination thereof; and 0≤x 4.

公开(公告)号：US20230352728A1

公开(公告)日：2023-11-02

申请号：US18013766

申请日：2021-06-22

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Saebom RYU ,  Youngsin PARK ,  Junhwan KU ,  Soyeon KIM ,  Shintaro KITAJIMA

IPC: H01M10/0562 ,  H01M4/587 ,  H01M4/04 ,  H01M4/62

CPC classification number: H01M10/0562 ,  H01M4/587 ,  H01M4/0404 ,  H01M4/626 ,  H01M2300/008 ,  H01M2004/027

Abstract: The present invention relates to a solid ion conductor compound represented by LiaMxTyPbScCldXe and having an argyrodite crystal structure, a solid electrolyte including the same, and an electrochemical cell including the same.

公开(公告)号：US20230327186A1

公开(公告)日：2023-10-12

申请号：US18013996

申请日：2021-07-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Soyeon KIM ,  Dongjin LEE ,  Hyunseok KIM ,  Saebom RYU

IPC: H01M10/0562 ,  H01M4/58 ,  H01M4/04 ,  H01M4/38 ,  H01M4/40 ,  H01M4/583 ,  H01M4/36

CPC classification number: H01M10/0562 ,  H01M4/0404 ,  H01M4/366 ,  H01M4/382 ,  H01M4/405 ,  H01M4/5815 ,  H01M4/583 ,  H01M2004/021

Abstract: Disclosed are a method of preparing a sulfide solid electrolyte, a sulfide solid electrolyte prepared by the method, and an electrochemical cell comprising the sulfide solid electrolyte, the method comprising: preparing a precursor mixture by mixing raw materials with an organic compound, wherein the raw materials are for forming a sulfide solid electrolyte containing lithium, and the organic compound is non-reactive with lithium and is a non-ionic material having a hydrophobic region and a hydrophilic region; removing a solvent from the precursor mixture; and performing heat-treatment on the resultant product having the solvent removed therefrom.

公开(公告)号：US20230275265A1

公开(公告)日：2023-08-31

申请号：US18313587

申请日：2023-05-08

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyunseok KIM ,  Saebom RYU ,  Seoksoo LEE ,  Soyeon KIM

IPC: H01M10/0562 ,  C01D15/00 ,  H01M4/36 ,  H01M4/485 ,  H01M10/052 ,  H01M10/0585

CPC classification number: H01M10/0562 ,  C01D15/00 ,  H01M4/366 ,  H01M4/485 ,  H01M10/052 ,  H01M10/0585 ,  C01P2002/74 ,  C01P2006/40 ,  H01M2300/008

Abstract: A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1,


LiaMxPSbBrcXd.  Formula 1

wherein Formula 1,



M is Na, K, Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof;
X is Cl, I, or a combination thereof; and
0≤x 4.

公开(公告)号：US20200152986A1

公开(公告)日：2020-05-14

申请号：US16550482

申请日：2019-08-26

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Yonggun LEE ,  Toshinori SUGIMOTO ,  Saebom RYU ,  Yuichi AIHARA ,  Dongmin IM

IPC: H01M4/62 ,  H01M10/0562

Abstract: An all-solid secondary battery including: a cathode; an anode; and a solid electrolyte layer interposed between the cathode and the anode, wherein the cathode includes a cathode active material, wherein the anode includes an anode current collector and an anode active material layer on the anode current collector, wherein the anode active material layer includes a binder and an anode active material that does not include an alkali metal, wherein the binder includes a polymer main chain and a polyvinyl alcohol-containing copolymer, and wherein the polymer main chain includes polyvinyl alcohol, a polyvinyl alcohol derivative, or a combination thereof, and the polyvinyl alcohol-containing copolymer has at least one repeating unit linked to the polymer main chain.