Patents Examined by Laura Weiner
-
Patent number: 11811051Abstract: An electrochemical cell has a cathode having a cathode current collector and a cathode active material, an anode having an anode current collector, lithium metal seed, and an anode cap on the lithium metal seed, a liquid electrolyte, a separator between the cathode active material and the anode active material, and a polymer electrolyte lamination layer bonding the anode to the separator. The polymer electrolyte lamination layer is formulated using a crosslinked polymer, a lithium salt, a plasticizer, and an anode additive. The anode cap and the polymer electrolyte lamination layer work together to produce densely plated lithium metal between the lithium metal seed and the anode cap with little or no external pressure.Type: GrantFiled: September 22, 2020Date of Patent: November 7, 2023Assignee: APPLE INC.Inventors: Alan A. Ritchie, Karl M. Brown, Lin Ma, Korhan Demirkan, Andrew Basile, Richard M. Mank, Bernd Jurgen Neudecker
-
Patent number: 11804592Abstract: Cathode active materials that include a metal compound having the formula MaRb, where M is a metal, each R is independently selected so that MaRb is an inorganic or organometallic compound or complex, and a and b are independently positive nonzero real numbers; and a metal oxide having the formula MxOy, where M is the same metal in the metal compound, and x and y are independently positive nonzero real numbers; provided that the metal compound and the metal oxide are in contact. The cathodes can be economically incorporated into batteries that can provide high energy density.Type: GrantFiled: February 10, 2022Date of Patent: October 31, 2023Assignee: WATTRII, INC.Inventor: Jangwoo Kim
-
Patent number: 11799124Abstract: The invention relates to the use of lithium nitrate as sole lithium salt providing the ion conductivity in a gelled rechargeable lithium metal battery not comprising polysulfide ions, for improving its lifetime.Type: GrantFiled: November 19, 2018Date of Patent: October 24, 2023Assignee: BLUE SOLUTIONSInventors: Marc Deschamps, Margaud Lecuyer
-
Patent number: 11799171Abstract: An all-solid secondary battery including: a cathode including a cathode active material layer; an anode including an anode active material layer; and a solid electrolyte layer including a sulfide solid electrolyte between the cathode active material layer and the anode active material layer, wherein an arithmetic mean roughness (Ra) of an interface between the cathode active material layer and the solid electrolyte layer is about 1 micrometer or less, and a relative density of the solid electrolyte layer is about 80% or more.Type: GrantFiled: December 1, 2020Date of Patent: October 24, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Satoshi Fujiki, Takanobu Yamada, Tomoyuki Shiratsuchi, Yuichi Aihara
-
Patent number: 11799067Abstract: A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including an additive. The positive electrode active material includes a compound having a crystal structure belonging to a space group FM3-M and represented by Compositional Formula (1): LixMeyO?F?, where, Me is one or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr; and subscripts x, y, ?, and ? satisfy the following requirements: 1.7?x?2.2, 0.8?y?1.3, 1???2.5, and 0.5???2. The additive is at least one selected from dinitrile compounds and diisocyanate compounds.Type: GrantFiled: September 16, 2020Date of Patent: October 24, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takayuki Nakatsutsumi, Ryuichi Natsui, Nobuhiko Hojo
-
Patent number: 11777088Abstract: The present disclosure provides an anode material having further improved charge/discharge efficiency. The anode material according to the present disclosure includes an anode active material and a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one 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. The anode active material is an active material capable of storing and releasing lithium ions at a potential with respect to lithium of not less than 0.27 V.Type: GrantFiled: July 16, 2020Date of Patent: October 3, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuta Sugimoto, Izuru Sasaki, Tatsuya Oshima, Akinobu Miyazaki
-
Patent number: 11777147Abstract: Deterioration in cycle characteristics and battery swelling are improved. The lithium ion secondary battery of the present invention is characterized in comprising an electrolyte solution comprising a multifunctional monomer comprising two or more epoxy groups and a negative electrode comprising a binder comprising a polymer comprising a monomer unit comprising a functional group selected from the group consisting of —OH, —OM, —COOH, —COOM and —COOCnH2n+1, wherein M is a metal element, and n is an integer of 1 to 5.Type: GrantFiled: October 31, 2018Date of Patent: October 3, 2023Assignee: NEC CORPORATIONInventors: Shin Serizawa, Suguru Tamai, Kazuhiko Inoue
-
Patent number: 11764352Abstract: A composite positive electrode active material includes: a first metal oxide that has a layered structure and is represented by Formula 1; and a second metal oxide that has a spinel structure and is represented by Formula 2, wherein the composite positive electrode active material includes a composite of the first metal oxide and the second metal oxide: LiMO2??Formula 1 LiMe2O4??Formula 2 wherein, in Formulas 1 and 2, M and Me are each independently at least one element selected from Groups 2 to 14 of the periodic table, and a molar ratio of Li/(M+Me) in the composite is less than 1.Type: GrantFiled: October 23, 2020Date of Patent: September 19, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Donghan Kim, Ryounghee Kim, Jinhwan Park, Jayhyok Song, Byongyong Yu, Byungjin Choi
-
Patent number: 11749840Abstract: A non-aqueous electrolyte secondary battery of the present invention includes: a positive electrode in which an olivine-type compound is used as a positive electrode active material; a negative electrode in which amorphous-based carbon is used as a negative electrode active material; a separator sandwiched between the positive electrode and the negative electrode; a non-aqueous electrolyte; and a casing which houses the positive electrode, the negative electrode, the separator, and the non-aqueous electrolyte. The positive electrode, the negative electrode, and the non-aqueous electrolyte are configured to satisfy an inequality: (Rn/(Rp+Rn))?0.Type: GrantFiled: February 22, 2018Date of Patent: September 5, 2023Assignee: ELIIY POWER CO., LTD.Inventors: Atsuhiko Minagawa, Hideyuki Sugiyama
-
Patent number: 11749803Abstract: Provided is a cathode material including a cathode active material; a coating layer which coats at least a part of a surface of the cathode active material, and which includes a first solid electrolyte material; and a second solid electrolyte material. The first solid electrolyte material includes Li, M, and X; however, does not include sulfur. M includes at least one element selected from the group consisting of metalloid elements and metal elements other than Li. X includes at least one element selected from the group consisting of Cl and Br.Type: GrantFiled: July 16, 2020Date of Patent: September 5, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tadaaki Matsumura, Izuru Sasaki, Yuta Sugimoto
-
Patent number: 11742518Abstract: An electrolyte includes at least one of a compound of Formula I, a compound of Formula II or a compound of Formula III; and a compound of Formula IV; where, R11, R12, R13, R21, R22, R31, R32, R33 and R34 are independently selected from H, halo, cyano, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C2-C10 alkenyl, and substituted or unsubstituted C6-C12 aryl; R41 and R44 are independently selected from H, F, cyano, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C2-C10 alkenyl, substituted or unsubstituted C6-C12 aryl, Ra—(O—Rb), or (O—Rb); and R42 and R43 are independently selected from Rc—(O—Rd) or (O—Rd). Rb is selected from substituted or unsubstituted C1-C4 alkyl; Ra, Rc and Rd are independently selected from substituted or unsubstituted C1-C4 alkylene, C2-C5 alkenylene, or C6-C12 aryl.Type: GrantFiled: December 24, 2019Date of Patent: August 29, 2023Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Hui Cui, Shuirong Zhang, Chao Tang, Jianming Zheng
-
Patent number: 11735715Abstract: To provide an anode material that can improve the efficiency of the initial charging and discharging, the anode material includes an amorphous glassy carbon material that is an anode active material, and a NaMH compound that is a solid electrolyte.Type: GrantFiled: October 21, 2020Date of Patent: August 22, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keita Niitani, Shin Ushiroda, Hiroko Kuwata, Masato Hozumi
-
Patent number: 11735772Abstract: An electrochemical device includes an electrolyte having a hydroxamate or N-hydroxyamide compound.Type: GrantFiled: March 24, 2020Date of Patent: August 22, 2023Assignee: UChicago Argonne, LLCInventors: Zhengcheng Zhang, Noah Mark Johnson
-
Patent number: 11735733Abstract: A composite negative electrode for an all-solid-state battery is provided. The composite negative electrode includes a negative electrode current collector, and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes unit cells arranged with a gap therebetween, and wherein the unit cells include a solid electrolyte and a carbon material dispersed in the solid electrolyte.Type: GrantFiled: June 30, 2020Date of Patent: August 22, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jae Min Lim, Yong Seok Choi
-
Patent number: 11728485Abstract: An anode for a fluoride ion electrochemical cell is provided and includes a layered material of hard carbon, nitrogen doped graphite, boron doped graphite, TiS2, MoS2, TiSe2, MoSe2, VS2, VSe2, electrides of alkali earth metal nitrides, electrides of metal carbides, or combinations thereof. The anode may be included in a fluoride ion electrochemical cell, which additionally includes a cathode and a fluoride ion electrolyte arranged between the cathode and the anode. At least one of the cathode and the anode reversibly exchange the fluoride ions with the electrolyte during charging or discharging of the electrochemical cell.Type: GrantFiled: June 30, 2020Date of Patent: August 15, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Kaoru Omichi, Qingmin Xu, Christopher Brooks
-
Patent number: 11728547Abstract: An electrochemical cell has a cathode having a cathode current collector and a cathode active material, an anode having an anode current collector and an anode active material comprising lithium metal, a liquid electrolyte, a separator between the cathode active material and the anode active material, and a polymer electrolyte lamination layer bonding the anode to the separator. The polymer electrolyte lamination layer is formulated using a crosslinked polymer, a lithium salt, a plasticizer, and an anode additive.Type: GrantFiled: September 22, 2020Date of Patent: August 15, 2023Assignee: APPLE INC.Inventors: Lin Ma, Alan A. Ritchie, Bernd Jurgen Neudecker, Richard M. Mank
-
Patent number: 11721800Abstract: A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including a lithium hexafluorophosphate and an additive. The positive electrode active material includes a compound having a crystal structure belonging to a space group FM3-M and represented by Compositional Formula (1): LixMeyO?F?. The additive is at least one selected from the group consisting of difluorophosphates, tetrafluoroborates, bis(oxalate)borate salts, bis(trifluoromethanesulfonyl)imide salts, and bis(fluorosulfonyl)imide salts.Type: GrantFiled: September 24, 2020Date of Patent: August 8, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takayuki Nakatsutsumi, Ryuichi Natsui, Nobuhiko Hojo
-
Patent number: 11710816Abstract: A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including a nonaqueous solvent. The positive electrode active material includes a compound having a crystal structure belonging to a space group FM3-M and represented by Compositional Formula (1): LixMeyO?F?, where, Me is one or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr; and subscripts x, y, ?, and ? satisfy the following requirements: 1.7?x?2.2, 0.8?y?1.3, 1???2.5, and 0.5???2. The nonaqueous solvent includes a solvent having at least one fluoro group.Type: GrantFiled: September 14, 2020Date of Patent: July 25, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takayuki Nakatsutsumi, Ryuichi Natsui, Nobuhiko Hojo
-
Patent number: 11699791Abstract: A binder for a secondary battery includes a copolymer having a first repeating unit, a second repeating unit, and a third repeating unit. A ratio of a number of the first repeating unit (A) and a sum of a number of the second repeating unit and a number of the third repeating unit (B) is 90:10 to 52:48. A ratio of the number of the second repeating unit and the number of the third repeating unit is 67:33 to 1:99. A weight average molecular weight of the copolymer is 225,000 to 2,000,000.Type: GrantFiled: August 13, 2020Date of Patent: July 11, 2023Assignee: SK ON CO., LTD.Inventors: Joon Sup Kim, Sun Young Kim, Dong Gun Lee, Jee Hee Lee
-
Patent number: 11695157Abstract: This application provides a lithium-ion battery and an apparatus. The lithium-ion battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. A positive active material of the positive electrode plate includes Lix1Coy1M1-y1O2-z1Qz1, where 0.5?x1?1.2, 0.8?y1?1.0, 0?z1?0.1, M is selected from one or more of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolyte contains an additive A that is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential. The lithium-ion battery has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.Type: GrantFiled: January 25, 2022Date of Patent: July 4, 2023Assignee: Contemporary Amperex Technology Co., LimitedInventors: Tiancheng Yi, Chunhua Hu, Shushi Dou, Yao Jiang, Chengdu Liang