Patents by Inventor Ken S. Matsubayashi
Ken S. Matsubayashi 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).
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Patent number: 11894512Abstract: A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.Type: GrantFiled: January 24, 2022Date of Patent: February 6, 2024Assignee: Enovix CorporationInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton
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Publication number: 20230307714Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 µm ? |SZ1| ? 5 µm.Type: ApplicationFiled: February 7, 2023Publication date: September 28, 2023Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON, Jason Newton HOWARD, Robert Keith ROSEN
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Patent number: 11600864Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 ?m?|SZ1|?5 ?m.Type: GrantFiled: December 20, 2021Date of Patent: March 7, 2023Assignee: Enovix CorporationInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton, Jason Newton Howard, Robert Keith Rosen
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Publication number: 20220173485Abstract: Embodiments of secondary batteries having electrode assemblies are provided. A secondary battery can comprise an electrode assembly having a stacked series of layers, the stacked series of layers having an offset between electrode and counter-electrode layers in a unit cell member of the stacked series. A set of constraints can be provided with a primary constraint system with first and second primary growth constraints separated from each other in a longitudinal direction, and connected by at least one primary connecting member, and a secondary constraint system comprises first and second secondary growth constraints separated in a second direction and connected by members of the stacked series of layers. The primary constraint system may at least partially restrain growth of the electrode assembly in the longitudinal direction, and the secondary constraint system may at least partially restrain growth in the second direction that is orthogonal to the longitudinal direction.Type: ApplicationFiled: February 17, 2022Publication date: June 2, 2022Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON, Jason Newton HOWARD, Robert Keith ROSEN, Jonathan C. DOAN, Michael J. ARMSTRONG, Anthony CALCATERRA, Benjamin L. CARDOZO, Joshua David WINANS, Neelam SINGH, Jeffrey Glenn BUCK, Thomas John SCHUERLEIN, Kim Lester FORTUNATI, Neal SARSWAT
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Publication number: 20220149423Abstract: A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.Type: ApplicationFiled: January 24, 2022Publication date: May 12, 2022Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON
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Publication number: 20220115711Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 ?m?|SZ1|?5 ?m.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON, Jason Newton HOWARD, Robert Keith ROSEN
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Publication number: 20220115753Abstract: Secondary batteries and methods of manufacture thereof are provided. A secondary battery can comprise an offset between electrode and counter-electrode layers in a unit cell. Secondary batteries can be prepared by removing a population of negative electrode subunits from a negative electrode sheet, the negative electrode sheet comprising a negative electrode sheet edge margin and at least one negative electrode sheet weakened region that is internal to the negative electrode sheet edge margin, removing a population of separator layer subunits from a separator sheet, and removing a population of positive electrode subunits from a positive electrode sheet, the positive electrode sheet comprising a positive electrode edge margin and at least one positive electrode sheet weakened region that is internal to the positive electrode sheet edge margin, and stacking members of the negative electrode subunit population, the separator layer subunit population and the positive electrode subunit population.Type: ApplicationFiled: October 19, 2021Publication date: April 14, 2022Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON, Jason Newton HOWARD, Robert Keith ROSEN, Jonathan C. DOAN, Michael J. ARMSTRONG, Anthony CALCATERRA, Benjamin L. CARDOZO, Joshua David WINANS, Neelam SINGH, Jeffrey Glenn BUCK, Thomas John SCHUERLEIN, Kim Lester FORTUNATI, Neal SARSWAT
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Patent number: 11264680Abstract: Embodiments of secondary batteries having electrode assemblies are provided. A secondary battery can comprise an electrode assembly having a stacked series of layers, the stacked series of layers having an offset between electrode and counter-electrode layers in a unit cell member of the stacked series. A set of constraints can be provided with a primary constraint system with first and second primary growth constraints separated from each other in a longitudinal direction, and connected by at least one primary connecting member, and a secondary constraint system comprises first and second secondary growth constraints separated in a second direction and connected by members of the stacked series of layers. The primary constraint system may at least partially restrain growth of the electrode assembly in the longitudinal direction, and the secondary constraint system may at least partially restrain growth in the second direction that is orthogonal to the longitudinal direction.Type: GrantFiled: November 15, 2018Date of Patent: March 1, 2022Assignee: ENOVIX CORPORATIONInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton, Jason Newton Howard, Robert Keith Rosen, Jonathan C. Doan, Michael J. Armstrong, Anthony Calcaterra, Benjamin L. Cardozo, Joshua David Winans, Neelam Singh, Jeffrey Glenn Buck, Thomas John Schuerlein, Kim Lester Fortunati, Neal Sarswat
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Patent number: 11239488Abstract: A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.Type: GrantFiled: March 25, 2019Date of Patent: February 1, 2022Assignee: ENOVIX CORPORATIONInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton
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Patent number: 11205803Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 ?m?|SZ1|?5 ?m.Type: GrantFiled: January 25, 2019Date of Patent: December 21, 2021Assignee: Enovix CorporationInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton, Jason Newton Howard, Robert Keith Rosen
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Patent number: 11128020Abstract: Secondary batteries and methods of manufacture thereof are provided. A secondary battery can comprise an offset between electrode and counter-electrode layers in a unit cell. Secondary batteries can be prepared by removing a population of negative electrode subunits from a negative electrode sheet, the negative electrode sheet comprising a negative electrode sheet edge margin and at least one negative electrode sheet weakened region that is internal to the negative electrode sheet edge margin, removing a population of separator layer subunits from a separator sheet, and removing a population of positive electrode subunits from a positive electrode sheet, the positive electrode sheet comprising a positive electrode edge margin and at least one positive electrode sheet weakened region that is internal to the positive electrode sheet edge margin, and stacking members of the negative electrode subunit population, the separator layer subunit population and the positive electrode subunit population.Type: GrantFiled: November 15, 2018Date of Patent: September 21, 2021Assignee: Enovix CorporationInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton, Jason Newton Howard, Robert Keith Rosen, Jonathan C. Doan, Michael J. Armstrong, Anthony Calcaterra, Benjamin L. Cardozo, Joshua David Winans, Neelam Singh, Jeffrey Glenn Buck, Thomas John Schuerlein, Kim Lester Fortunati, Neal Sarswat
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Publication number: 20200350633Abstract: Secondary batteries and methods of manufacture thereof are provided. A secondary battery can comprise an offset between electrode and counter-electrode layers in a unit cell. Secondary batteries can be prepared by removing a population of negative electrode subunits from a negative electrode sheet, the negative electrode sheet comprising a negative electrode sheet edge margin and at least one negative electrode sheet weakened region that is internal to the negative electrode sheet edge margin, removing a population of separator layer subunits from a separator sheet, and removing a population of positive electrode subunits from a positive electrode sheet, the positive electrode sheet comprising a positive electrode edge margin and at least one positive electrode sheet weakened region that is internal to the positive electrode sheet edge margin, and stacking members of the negative electrode subunit population, the separator layer subunit population and the positive electrode subunit population.Type: ApplicationFiled: November 15, 2018Publication date: November 5, 2020Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON, Jason Newton HOWARD, Robert Keith ROSEN, Jonathan C. DOAN, Michael J. ARMSTRONG, Anthony CALCATERRA, Benjamin L. CARDOZO, Joshua David WINANS, Neelam SINGH, Jeffrey Glenn BUCK, Thomas John SCHUERLEIN, Kim Lester FORTUNATI, Neal SARSWAT
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Publication number: 20200313146Abstract: Embodiments of secondary batteries having electrode assemblies are provided. A secondary battery can comprise an electrode assembly having a stacked series of layers, the stacked series of layers having an offset between electrode and counter-electrode layers in a unit cell member of the stacked series. A set of constraints can be provided with a primary constraint system with first and second primary growth constraints separated from each other in a longitudinal direction, and connected by at least one primary connecting member, and a secondary constraint system comprises first and second secondary growth constraints separated in a second direction and connected by members of the stacked series of layers. The primary constraint system may at least partially restrain growth of the electrode assembly in the longitudinal direction, and the secondary constraint system may at least partially restrain growth in the second direction that is orthogonal to the longitudinal direction.Type: ApplicationFiled: November 15, 2018Publication date: October 1, 2020Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON, Jason Newton HOWARD, Robert Keith ROSEN, Jonathan C. DOAN, Michael J. ARMSTRONG, Anthony CALCATERRA, Benjamin L. CARDOZO, Joshua David WINANS, Neelam SINGH, Jeffrey Glenn BUCK, Thomas John SCHUERLEIN, Kim Lester FORTUNATI, Neal SARSWAT
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Publication number: 20190221878Abstract: A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.Type: ApplicationFiled: March 25, 2019Publication date: July 18, 2019Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON
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Publication number: 20190207264Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 ?m?|SZ1|?5 ?m.Type: ApplicationFiled: January 25, 2019Publication date: July 4, 2019Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON, Jason Newton HOWARD, Robert Keith ROSEN
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Patent number: 10283807Abstract: A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.Type: GrantFiled: May 13, 2016Date of Patent: May 7, 2019Assignee: Enovix CorporationInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton
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Patent number: 10256507Abstract: A secondary battery for cycling between a charged and a discharged state, wherein a 2D map of the median vertical position of the first opposing vertical end surface of the electrode active material in the X-Z plane, along the length LE of the electrode active material layer, traces a first vertical end surface plot, EVP1, a 2D map of the median vertical position of the first opposing vertical end surface of the counter-electrode active material layer in the X-Z plane, along the length LC of the counter-electrode active material layer, traces a first vertical end surface plot, CEVP1, wherein for at least 60% of the length Lc of the first counter-electrode active material layer (i) the absolute value of a separation distance, SZ1, between the plots EVP1 and CEVP1 measured in the vertical direction is 1000 ?m?|SZ1|?5 ?m.Type: GrantFiled: February 6, 2018Date of Patent: April 9, 2019Assignee: ENOVIX CORPORATIONInventors: Robert S. Busacca, Ashok Lahiri, Murali Ramasubramanian, Bruno A. Valdes, Gardner Cameron Dales, Christopher J. Spindt, Geoffrey Matthew Ho, Harrold J. Rust, III, James D. Wilcox, John F. Varni, Kim Han Lee, Nirav S. Shah, Richard J. Contreras, Lynn Van Erden, Ken S. Matsubayashi, Jeremie J. Dalton, Jason Newton Howard, Robert Keith Rosen
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Patent number: 10020514Abstract: An electrochemical stack comprising carrier ions, an anode comprising an anode active material layer, a cathode comprising a cathode active material layer, a separator between the anode and the cathode comprising a porous dielectric material and a non-aqueous electrolyte, and an ionically permeable conductor layer located between the separator and an electrode active material layer.Type: GrantFiled: May 18, 2016Date of Patent: July 10, 2018Assignee: ENOVIX CORPORATIONInventors: Murali Ramasubramanian, Robert M. Spotnitz, Nirav S. Shah, Ashok Lahiri, Christopher G. Castledine, James D. Wilcox, Michael J. Armstrong, Robert A. Cole, Brian E. Brusca, Harrold J. Rust, III, Ken S. Matsubayashi, Laurie J. Lauchlan, Gunther A. Koblmiller
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Publication number: 20180145367Abstract: A energy storage device for cycling between a charged state and a discharged state, the energy storage device including an enclosure, an electrode assembly and a non-aqueous liquid electrolyte within the enclosure, and a constraint that maintains a pressure on the electrode assembly as the energy storage device is cycled between the charged and the discharged states.Type: ApplicationFiled: May 13, 2016Publication date: May 24, 2018Inventors: Robert S. BUSACCA, Ashok LAHIRI, Murali RAMASUBRAMANIAN, Bruno A. VALDES, Gardner Cameron DALES, Christopher J. SPINDT, Geoffrey Matthew HO, Harrold J. RUST, III, James D. WILCOX, John F. VARNI, Kim Han LEE, Nirav S. SHAH, Richard J. CONTRERAS, Lynn VAN ERDEN, Ken S. MATSUBAYASHI, Jeremie J. DALTON
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Publication number: 20160260983Abstract: An electrochemical stack comprising carrier ions, an anode comprising an anode active material layer, a cathode comprising a cathode active material layer, a separator between the anode and the cathode comprising a porous dielectric material and a non-aqueous electrolyte, and an ionically permeable conductor layer located between the separator and an electrode active material layer.Type: ApplicationFiled: May 18, 2016Publication date: September 8, 2016Inventors: Murali RAMASUBRAMANIAN, Robert M. SPOTNITZ, Nirav S. SHAH, Ashok LAHIRI, Christopher G. CASTLEDINE, James D. WILCOX, Michael J. ARMSTRONG, Robert A. COLE, Brian E. BRUSCA, Harrold J. RUST, III, Ken S. MATSUBAYASHI, Laurie J. LAUCHLAN, Gunther A. KOBLMILLER